[Alert]BOX continues Coastal Flood Advisory valid at Aug 22, 6:00 PM EDT for Bristol, Eastern Kent, Southeast Providence [RI] till Aug 22, 10:00 PM EDT

[ThreatWebInternal]

BOX continues Coastal Flood Advisory valid at Aug 22, 6:00 PM EDT for Bristol, Eastern Kent, Southeast Providence [RI] till Aug 22, 10:00 PM EDT

646 
WHUS41 KBOX 221931
CFWBOX

Coastal Hazard Message
National Weather Service Boston/Norton MA
331 PM EDT Fri Aug 22 2025

MAZ020-RIZ006-007-230900-
/O.CON.KBOX.SU.Y.0001.000000T0000Z-250824T0000Z/
/O.CON.KBOX.CF.Y.0004.250822T2200Z-250823T0200Z/
Southern Bristol MA-Washington RI-Newport RI-
331 PM EDT Fri Aug 22 2025

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY...
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...For the High Surf Advisory, large breaking waves of 4 
  to 10 feet in the surf zone. For the Coastal Flood Advisory, 
  up to one half foot of inundation above ground level expected 
  in low-lying areas near shorelines and tidal waterways (4.8 
  to 7.1 feet Mean Lower Low Water).

* WHERE...In Massachusetts, Southern Bristol County. In Rhode 
  Island, Washington and Newport Counties.

* WHEN...For the High Surf Advisory, until 8 PM EDT Saturday. 
  For the Coastal Flood Advisory, until 10 PM EDT this evening.

* IMPACTS...Minor coastal flooding occurs along the most 
  vulnerable shoreline locales in Newport, Portsmouth and 
  Middletown. This includes flooding at parking lots near 
  beaches in Newport, and a portion of Hazard Road. Minor 
  coastal flooding also occurs on several streets in the Common 
  Fence Point area. Dangerous swimming and surfing conditions 
  and localized beach erosion.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

&&

&&

Time of high total tides are approximate to the nearest hour.

Westerly RI at Watch Hill
MLLW Categories - Minor 5.0 ft, Moderate 8.0 ft, Major 9.5 ft
MHHW Categories - Minor 2.0 ft, Moderate 5.0 ft, Major 6.5 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 22/09 PM   4.6/ 5.1   1.6/ 2.0   1.5/ 2.0     4       None    
 23/09 AM   3.7/ 4.2   0.7/ 1.1   1.0/ 1.5     3       None    
 23/10 PM   3.6/ 4.1   0.6/ 1.1   0.6/ 1.1     3       None    
 24/10 AM   3.7/ 4.2   0.7/ 1.1   0.8/ 1.3     2       None    
 24/11 PM   3.6/ 4.1   0.6/ 1.1   0.8/ 1.3     2       None    
 25/11 AM   3.4/ 3.9   0.4/ 0.9   0.5/ 1.0     2       None

Newport Harbor
MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.0 ft
MHHW Categories - Minor 2.1 ft, Moderate 3.6 ft, Major 5.1 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 22/08 PM   5.9/ 6.4   2.0/ 2.5   1.6/ 2.0     3      Minor    
 23/08 AM   5.1/ 5.6   1.2/ 1.7   1.1/ 1.6     2       None    
 23/09 PM   4.9/ 5.4   1.0/ 1.5   0.7/ 1.1     2       None    
 24/09 AM   4.5/ 5.0   0.6/ 1.1   0.2/ 0.8     2       None    
 24/10 PM   4.4/ 4.9   0.5/ 1.0   0.4/ 0.9     2       None    
 25/10 AM   4.6/ 5.1   0.7/ 1.1   0.5/ 1.0     2       None

Newport South Coast Beaches
MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.0 ft
MHHW Categories - Minor 2.5 ft, Moderate 4.0 ft, Major 5.5 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 22/08 PM   5.4/ 5.9   1.9/ 2.3   1.5/ 2.0     4       None    
 23/08 AM   4.7/ 5.2   1.3/ 1.8   1.0/ 1.5     3       None    
 23/09 PM   4.5/ 5.0   1.0/ 1.5   0.6/ 1.1    2-3      None    
 24/09 AM   4.0/ 4.5   0.6/ 1.1   0.2/ 0.8     2       None    
 24/10 PM   4.0/ 4.5   0.6/ 1.1   0.4/ 0.9     2       None    
 25/10 AM   4.2/ 4.7   0.7/ 1.1   0.4/ 0.9     2       None

Mount Hope Bay near Bristol Point RI
MLLW Categories - Minor 7.0 ft, Moderate 9.5 ft, Major 12.0 ft
MHHW Categories - Minor 2.5 ft, Moderate 5.0 ft, Major 7.5 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 22/08 PM   6.7/ 7.2   2.2/ 2.7   1.7/ 2.2     1       None    
 23/09 AM   5.4/ 5.9   0.9/ 1.4   1.1/ 1.6     1       None    
 23/09 PM   5.7/ 6.2   1.2/ 1.7   0.8/ 1.3    1-2      None    
 24/09 AM   4.7/ 5.2   0.2/ 0.7   0.4/ 0.9    1-2      None    
 24/09 PM   5.1/ 5.6   0.6/ 1.1   0.5/ 1.0    1-2      None    
 25/10 AM   5.0/ 5.5   0.5/ 1.0   0.6/ 1.1    1-2      None

Mount Hope Bay near Fall River MA
MLLW Categories - Minor 7.0 ft, Moderate 9.5 ft, Major 12.0 ft
MHHW Categories - Minor 2.3 ft, Moderate 4.8 ft, Major 7.3 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 22/08 PM   6.9/ 7.4   2.2/ 2.7   1.7/ 2.2     1      Minor    
 23/09 AM   6.2/ 6.7   1.5/ 2.0   1.1/ 1.6     1       None    
 23/09 PM   6.1/ 6.6   1.4/ 1.9   0.9/ 1.4    1-2      None    
 24/10 AM   5.4/ 5.9   0.7/ 1.1   0.4/ 0.9    1-2      None    
 24/10 PM   5.5/ 6.0   0.8/ 1.3   0.5/ 1.0    1-2      None    
 25/10 AM   5.6/ 6.1   0.9/ 1.4   0.6/ 1.1    1-2      None

New Bedford Hurricane Barrier
MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.5 ft
MHHW Categories - Minor 2.1 ft, Moderate 3.6 ft, Major 5.6 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 22/08 PM   5.9/ 6.4   2.0/ 2.5   1.6/ 2.0    1-2     Minor    
 23/08 AM   5.1/ 5.6   1.2/ 1.7   1.1/ 1.6     1       None    
 23/09 PM   4.7/ 5.2   0.9/ 1.4   0.6/ 1.1     2       None    
 24/09 AM   4.4/ 4.9   0.5/ 1.0   0.2/ 0.8    1-2      None    
 24/10 PM   4.4/ 4.9   0.5/ 1.0   0.4/ 0.9    1-2      None    
 25/10 AM   4.5/ 5.0   0.6/ 1.1   0.4/ 0.9    1-2      None

Westport
MLLW Categories - Minor 6.0 ft, Moderate 8.0 ft, Major 10.0 ft
MHHW Categories - Minor 2.5 ft, Moderate 4.5 ft, Major 6.5 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 22/08 PM   5.2/ 5.7   1.8/ 2.2   1.5/ 2.0     3       None    
 23/09 AM   4.7/ 5.2   1.2/ 1.7   1.0/ 1.5     2       None    
 23/09 PM   4.4/ 4.9   0.9/ 1.4   0.6/ 1.1     2       None    
 24/09 AM   4.0/ 4.5   0.6/ 1.1   0.2/ 0.8     2       None    
 24/10 PM   4.0/ 4.5   0.5/ 1.0   0.4/ 0.9     2       None    
 25/10 AM   4.0/ 4.5   0.6/ 1.1   0.4/ 0.9     2       None

&&

$$

MAZ023-024-230900-
/O.CON.KBOX.SU.Y.0001.000000T0000Z-250824T0000Z/
/O.CON.KBOX.CF.Y.0004.250823T0200Z-250823T0600Z/
Dukes MA-Nantucket MA-
331 PM EDT Fri Aug 22 2025

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY...
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 10 PM THIS
EVENING TO 2 AM EDT SATURDAY...

* WHAT...For the High Surf Advisory, large breaking waves of 5 
  to 12 feet in the surf zone. For the Coastal Flood Advisory, 
  up to one half foot of inundation above ground level expected 
  in low-lying areas near shorelines and tidal waterways (3.6 
  to 5.3 feet Mean Lower Low Water).

* WHERE...Dukes and Nantucket Counties.

* WHEN...For the High Surf Advisory, until 8 PM EDT Saturday. 
  For the Coastal Flood Advisory, from 10 PM this evening to 2 
  AM EDT Saturday.

* IMPACTS...Roads remain passable. Low lying areas and roads 
  near Nantucket Harbor, including Easy Street, may experience 
  pockets of shallow flooding less than one foot deep. Dangerous 
  swimming and surfing conditions and localized beach erosion.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

&&

&&

Time of high total tides are approximate to the nearest hour.

Edgartown
MLLW Categories - Minor 4.0 ft, Moderate 5.0 ft, Major 7.0 ft
MHHW Categories - Minor 1.3 ft, Moderate 2.3 ft, Major 4.3 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 23/12 AM   4.0/ 4.5   1.3/ 1.8   1.3/ 1.8     3      Minor    
 23/01 PM   2.8/ 3.4   0.2/ 0.7   0.8/ 1.3     3       None    
 24/01 AM   3.1/ 3.6   0.4/ 0.9   0.5/ 1.0     3       None    
 24/01 PM   2.5/ 3.0  -0.2/ 0.2   0.4/ 0.9    2-3      None    
 25/01 AM   2.7/ 3.2   0.1/ 0.6   0.5/ 1.0     2       None

Vineyard Haven
MLLW Categories - Minor 4.5 ft, Moderate 6.0 ft, Major 7.0 ft
MHHW Categories - Minor 2.5 ft, Moderate 4.0 ft, Major 5.0 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 23/12 AM   3.4/ 3.9   1.4/ 1.9   1.3/ 1.8     2       None    
 23/12 PM   2.7/ 3.2   0.7/ 1.1   0.9/ 1.4     2       None    
 23/11 PM   2.5/ 3.0   0.5/ 1.0   0.8/ 1.3     2       None    
 24/01 PM   2.3/ 2.8   0.4/ 0.9   0.5/ 1.0     2       None    
 25/01 AM   2.3/ 2.8   0.4/ 0.9   0.5/ 1.0     2       None    
 25/01 PM   2.3/ 2.8   0.4/ 0.9   0.6/ 1.1     2       None

Nantucket Harbor
MLLW Categories - Minor 5.0 ft, Moderate 6.5 ft, Major 8.0 ft
MHHW Categories - Minor 1.4 ft, Moderate 2.9 ft, Major 4.4 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 23/12 AM   5.1/ 5.6   1.5/ 2.0   1.3/ 1.8    5-6     Minor    
 23/01 PM   3.9/ 4.4   0.2/ 0.8   0.8/ 1.3     5       None    
 24/02 AM   4.2/ 4.7   0.6/ 1.1   0.5/ 1.0     4       None    
 24/02 PM   3.6/ 4.1   0.0/ 0.5   0.4/ 0.9    3-4      None    
 25/02 AM   3.9/ 4.4   0.2/ 0.8   0.4/ 0.9     3       None

&&

$$

RIZ008-230900-
/O.CON.KBOX.SU.Y.0001.000000T0000Z-250824T0000Z/
/O.CON.KBOX.CF.Y.0004.250822T2200Z-250823T0200Z/
Block Island RI-
331 PM EDT Fri Aug 22 2025

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY...
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...For the High Surf Advisory, large breaking waves of 5 
  to 9 feet in the surf zone. For the Coastal Flood Advisory, up
  to one half foot of inundation above ground level expected in 
  low-lying areas near shorelines and tidal waterways (5.0 to
  5.3 feet Mean Lower Low Water).

* WHERE...Block Island.

* WHEN...For the High Surf Advisory, until 8 PM EDT Saturday. 
  For the Coastal Flood Advisory, until 10 PM EDT this evening.

* IMPACTS...Flooding of lots, parks, and roads with only 
  isolated road closures expected. Dangerous swimming and 
  surfing conditions and localized beach erosion.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

&&

&&

Time of high total tides are approximate to the nearest hour.

Block Island at Old Harbor
MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.0 ft
MHHW Categories - Minor 2.8 ft, Moderate 4.3 ft, Major 5.8 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 22/08 PM   5.1/ 5.6   1.9/ 2.3   1.5/ 2.0    6-7      None    
 23/08 AM   4.2/ 4.7   1.1/ 1.6   0.9/ 1.4     5       None    
 23/09 PM   4.0/ 4.5   0.9/ 1.4   0.6/ 1.1     4       None    
 24/09 AM   3.7/ 4.2   0.5/ 1.0   0.2/ 0.8     4       None    
 24/09 PM   3.6/ 4.1   0.4/ 0.9   0.2/ 0.8    3-4      None    
 25/10 AM   3.7/ 4.2   0.6/ 1.1   0.4/ 0.9     3       None

&&

$$

RIZ002-004-005-230200-
/O.CON.KBOX.CF.Y.0004.250822T2200Z-250823T0200Z/
Southeast Providence RI-Eastern Kent RI-Bristol RI-
331 PM EDT Fri Aug 22 2025

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Up to one half foot of inundation above ground level 
  expected in low-lying areas near shorelines and tidal 
  waterways (6.4 to 7.0 feet Mean Lower Low Water).

* WHERE...Southeast Providence, Eastern Kent and Bristol 
  RI Counties.

* WHEN...Until 10 PM EDT this evening.

* IMPACTS...Flooding of lots, parks, and roads with only 
  isolated road closures expected.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.

&&

&&

Time of high total tides are approximate to the nearest hour.

Narragansett Bay at Fox Point
MLLW Categories - Minor 7.0 ft, Moderate 9.0 ft, Major 10.5 ft
MHHW Categories - Minor 2.2 ft, Moderate 4.2 ft, Major 5.7 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 22/08 PM   6.8/ 7.3   2.0/ 2.5   1.8/ 2.2     1      Minor    
 23/08 AM   5.2/ 5.7   0.4/ 0.9   1.2/ 1.7     1       None    
 23/09 PM   5.7/ 6.2   1.0/ 1.5   0.9/ 1.4    1-2      None    
 24/11 AM   4.7/ 5.2  -0.2/ 0.3   0.7/ 1.1    1-3      None    
 24/09 PM   4.6/ 5.1  -0.2/ 0.2   0.6/ 1.1    1-2      None    
 25/09 AM   4.6/ 5.1  -0.2/ 0.2   0.6/ 1.1     1       None

Narragansett Bay at Conimicut Point
MLLW Categories - Minor 7.0 ft, Moderate 8.5 ft, Major 10.0 ft
MHHW Categories - Minor 2.4 ft, Moderate 3.9 ft, Major 5.4 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 22/08 PM   6.8/ 7.3   2.2/ 2.7   1.8/ 2.2     1      Minor    
 23/09 AM   6.0/ 6.5   1.4/ 1.9   1.1/ 1.6     1       None    
 23/09 PM   5.6/ 6.1   1.0/ 1.5   0.8/ 1.3    1-2      None    
 24/10 AM   5.2/ 5.7   0.7/ 1.1   0.5/ 1.0    1-3      None    
 24/10 PM   5.2/ 5.7   0.7/ 1.1   0.5/ 1.0    1-2      None    
 25/10 AM   5.4/ 5.9   0.8/ 1.3   0.6/ 1.1    1-2      None

Mount Hope Bay near Bristol Point RI
MLLW Categories - Minor 7.0 ft, Moderate 9.5 ft, Major 12.0 ft
MHHW Categories - Minor 2.5 ft, Moderate 5.0 ft, Major 7.5 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 22/08 PM   6.7/ 7.2   2.2/ 2.7   1.7/ 2.2     1       None    
 23/09 AM   5.4/ 5.9   0.9/ 1.4   1.1/ 1.6     1       None    
 23/09 PM   5.7/ 6.2   1.2/ 1.7   0.8/ 1.3    1-2      None    
 24/09 AM   4.7/ 5.2   0.2/ 0.7   0.4/ 0.9    1-2      None    
 24/09 PM   5.1/ 5.6   0.6/ 1.1   0.5/ 1.0    1-2      None    
 25/10 AM   5.0/ 5.5   0.5/ 1.0   0.6/ 1.1    1-2      None

Narragansett Bay at Quonset Point
MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.5 ft
MHHW Categories - Minor 1.9 ft, Moderate 3.4 ft, Major 5.4 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 22/08 PM   6.2/ 6.7   2.1/ 2.6   1.7/ 2.2     1      Minor    
 23/09 AM   5.5/ 6.0   1.4/ 1.9   1.1/ 1.6     1       None    
 23/09 PM   5.2/ 5.7   1.1/ 1.6   0.7/ 1.1    1-2      None    
 24/09 AM   4.7/ 5.2   0.7/ 1.1   0.4/ 0.9    1-2      None    
 24/10 PM   4.7/ 5.2   0.6/ 1.1   0.4/ 0.9     1       None    
 25/10 AM   4.9/ 5.4   0.8/ 1.3   0.5/ 1.0     1       None

&&

$$

MAZ022-230900-
/O.CON.KBOX.SU.Y.0001.000000T0000Z-250824T0000Z/
/O.CON.KBOX.CF.S.0004.000000T0000Z-250823T0600Z/
Barnstable MA-
331 PM EDT Fri Aug 22 2025

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY...
...COASTAL FLOOD STATEMENT REMAINS IN EFFECT UNTIL 2 AM EDT
SATURDAY...

* WHAT...For the High Surf Advisory, large breaking waves of 6 
  to 13 feet in the surf zone. For the Coastal Flood Statement, 
  up to one half foot of inundation above ground level in low-
  lying areas near shorelines and tidal waterways (4.2 to 12.4
  feet Mean Lower Low Water).

* WHERE...Barnstable County.

* WHEN...For the High Surf Advisory, until 8 PM EDT Saturday. 
  For the Coastal Flood Statement, until 2 AM EDT Saturday.

* IMPACTS...Some water on low lying roads and property. 
  Dangerous swimming and surfing conditions and localized beach 
  erosion.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

&&

&&

Time of high total tides are approximate to the nearest hour.

Buzzards Bay at Woods Hole
MLLW Categories - Minor 5.5 ft, Moderate 7.0 ft, Major 8.5 ft
MHHW Categories - Minor 3.5 ft, Moderate 5.0 ft, Major 6.5 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 22/08 PM   4.0/ 4.5   2.0/ 2.5   1.5/ 2.0    2-3      None    
 23/08 AM   3.0/ 3.5   1.0/ 1.5   1.0/ 1.5     2       None    
 23/09 PM   2.8/ 3.4   0.9/ 1.4   0.5/ 1.0     2       None    
 24/09 AM   2.6/ 3.1   0.6/ 1.1   0.4/ 0.9     2       None    
 24/10 PM   2.7/ 3.2   0.7/ 1.1   0.4/ 0.9     2       None    
 25/10 AM   2.7/ 3.2   0.7/ 1.1   0.4/ 0.9     2       None

Chatham MA - East Coast
MLLW Categories - Minor 9.0 ft, Moderate 11.5 ft, Major 13.0 ft
MHHW Categories - Minor 3.8 ft, Moderate 6.3 ft, Major 7.8 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 22/11 PM   6.2/ 6.8   1.1/ 1.6   1.3/ 1.8    6-7      None    
 23/01 PM   5.7/ 6.2   0.5/ 1.0   0.7/ 1.1    5-6      None    
 24/12 AM   5.5/ 6.0   0.2/ 0.8   0.5/ 1.0     4       None    
 24/01 PM   5.5/ 6.0   0.2/ 0.8   0.5/ 1.0     4       None    
 25/01 AM   5.5/ 6.0   0.2/ 0.8   0.5/ 1.0     3       None

Chatham - South side
MLLW Categories - Minor 9.0 ft, Moderate 10.5 ft, Major 11.5 ft
MHHW Categories - Minor 4.5 ft, Moderate 6.0 ft, Major 7.0 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 23/01 AM   6.0/ 6.5   1.5/ 2.0   1.3/ 1.8     5       None    
 23/01 PM   4.7/ 5.2   0.2/ 0.7   0.9/ 1.4    4-5      None    
 24/01 AM   4.7/ 5.2   0.2/ 0.8   0.2/ 0.8    3-4      None    
 24/02 PM   4.7/ 5.2   0.2/ 0.7   0.8/ 1.3     3       None    
 25/02 AM   5.1/ 5.6   0.6/ 1.1   0.8/ 1.3     3       None

Provincetown Harbor
MLLW Categories - Minor 13.0 ft, Moderate 14.0 ft, Major 15.0 ft
MHHW Categories - Minor 2.9 ft, Moderate 3.9 ft, Major 4.9 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 23/12 AM  11.7/12.2   1.6/ 2.0   1.3/ 1.8     5       None    
 23/12 PM  10.2/10.7   0.1/ 0.6   0.8/ 1.3     4       None    
 24/12 AM  10.9/11.4   0.8/ 1.3   0.6/ 1.1     4       None    
 24/01 PM  10.3/10.8   0.2/ 0.7   0.7/ 1.1     3       None    
 25/01 AM  10.9/11.4   0.8/ 1.3   0.7/ 1.1    2-3      None    
 25/01 PM  10.1/10.6   0.0/ 0.5   0.7/ 1.1     2       None

Dennis - Sesuit Harbor
MLLW Categories - Minor 13.0 ft, Moderate 14.5 ft, Major 16.0 ft
MHHW Categories - Minor 2.5 ft, Moderate 4.0 ft, Major 5.5 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 23/12 AM  12.2/12.7   1.7/ 2.2   1.3/ 1.8     3       None    
 23/12 PM  10.8/11.3   0.2/ 0.8   0.9/ 1.4     3       None    
 24/12 AM  11.4/11.9   0.9/ 1.4   0.7/ 1.1     2       None    
 24/01 PM  11.3/11.8   0.8/ 1.3   1.2/ 1.7    2-3      None    
 25/01 AM  11.8/12.3   1.3/ 1.8   1.2/ 1.7     2       None    
 25/01 PM  10.7/11.2   0.2/ 0.7   0.8/ 1.3     2       None

Sandwich Harbor
MLLW Categories - Minor 12.0 ft, Moderate 14.0 ft, Major 15.0 ft
MHHW Categories - Minor 1.7 ft, Moderate 3.7 ft, Major 4.7 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 22/11 PM  10.6/11.1   0.2/ 0.8   1.4/ 1.9     2       None    
 23/12 PM   9.1/ 9.6  -1.3/-0.8   0.8/ 1.3    1-3      None    
 24/12 AM   9.7/10.2  -0.7/-0.2   0.6/ 1.1     2       None    
 24/01 PM   9.7/10.2  -0.7/-0.2   1.2/ 1.7    2-3      None    
 25/01 AM  10.2/10.7  -0.2/ 0.3   1.2/ 1.7     2       None    
 25/01 PM   9.2/ 9.7  -1.1/-0.7   0.8/ 1.3     2       None

Wings Neck
MLLW Categories - Minor 6.5 ft, Moderate 9.0 ft, Major 11.5 ft
MHHW Categories - Minor 2.1 ft, Moderate 4.6 ft, Major 7.1 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 22/08 PM   6.0/ 6.5   1.6/ 2.0   1.6/ 2.0    1-2      None    
 23/09 AM   5.2/ 5.7   0.9/ 1.4   1.1/ 1.6    1-2      None    
 23/09 PM   5.1/ 5.6   0.7/ 1.1   0.7/ 1.1     2       None    
 24/10 AM   4.7/ 5.2   0.2/ 0.8   0.4/ 0.9    2-3      None    
 24/10 PM   4.7/ 5.2   0.2/ 0.8   0.4/ 0.9     2       None    
 25/10 AM   4.7/ 5.2   0.2/ 0.8   0.5/ 1.0     2       None

&&

$$

MAZ007-019-230900-
/O.CON.KBOX.SU.Y.0001.000000T0000Z-250824T0000Z/
/O.CON.KBOX.CF.S.0004.000000T0000Z-250823T0600Z/
Eastern Essex MA-Eastern Plymouth MA-
331 PM EDT Fri Aug 22 2025

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY...
...COASTAL FLOOD STATEMENT REMAINS IN EFFECT UNTIL 2 AM EDT
SATURDAY...

* WHAT...For the High Surf Advisory, large breaking waves of 5 
  to 10 feet in the surf zone. For the Coastal Flood Statement, 
  up to one half foot of inundation above ground level in low-
  lying areas near shorelines and tidal waterways (10.5 to 11.6 
  feet Mean Lower Low Water).

* WHERE...Eastern Essex and Eastern Plymouth Counties.

* WHEN...For the High Surf Advisory, until 8 PM EDT Saturday. 
  For the Coastal Flood Statement, until 2 AM EDT Saturday.

* IMPACTS...Roads remain passable. Shallow pockets of flooding 
  less than one foot deep affect more vulnerable coastal roads 
  along the North Shore from Salem and Gloucester to 
  Newburyport. Rough surf will likely cause some splashover onto 
  coastal roads around the time of high tide. Dangerous swimming 
  and surfing conditions and localized beach erosion.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

&&

&&

Time of high total tides are approximate to the nearest hour.

Gloucester Harbor
MLLW Categories - Minor 11.5 ft, Moderate 13.0 ft, Major 15.0 ft
MHHW Categories - Minor 1.9 ft, Moderate 3.4 ft, Major 5.4 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 23/12 AM  11.4/11.9   1.8/ 2.2   1.3/ 1.8    6-7     Minor    
 23/12 PM   9.9/10.4   0.2/ 0.8   0.9/ 1.4     6       None    
 24/12 AM  10.4/10.9   0.8/ 1.3   0.5/ 1.0    5-6      None    
 24/01 PM   9.7/10.2   0.1/ 0.6   0.6/ 1.1     4       None    
 25/01 AM  10.3/10.8   0.7/ 1.1   0.6/ 1.1    3-4      None    
 25/01 PM   9.5/10.0  -0.2/ 0.3   0.5/ 1.0     2       None

Merrimack River near Newburyport MA
MLLW Categories - Minor 11.0 ft, Moderate 12.0 ft, Major 13.5 ft
MHHW Categories - Minor 1.5 ft, Moderate 2.5 ft, Major 4.0 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 23/12 AM  10.3/10.8   0.8/ 1.3   1.3/ 1.8     5       None    
 23/12 PM   8.9/ 9.4  -0.7/-0.2   0.9/ 1.4     4       None    
 24/12 AM   9.2/ 9.7  -0.3/ 0.2   0.5/ 1.0     4       None    
 24/01 PM   8.8/ 9.3  -0.8/-0.2   0.6/ 1.1     3       None    
 25/01 AM   9.3/ 9.8  -0.2/ 0.2   0.6/ 1.1    2-3      None

Scituate MA
MLLW Categories - Minor 11.5 ft, Moderate 13.5 ft, Major 15.5 ft
MHHW Categories - Minor 1.8 ft, Moderate 3.8 ft, Major 5.8 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 23/12 AM  11.4/11.9   1.7/ 2.2   1.3/ 1.8     5      Minor    
 23/12 PM   9.9/10.4   0.2/ 0.7   0.8/ 1.3     5       None    
 24/12 AM  10.5/11.0   0.8/ 1.3   0.6/ 1.1     4       None    
 24/01 PM  10.1/10.6   0.4/ 0.9   0.9/ 1.4    3-4      None    
 25/01 AM  10.6/11.1   0.9/ 1.4   0.9/ 1.4     3       None    
 25/01 PM   9.6/10.1  -0.2/ 0.3   0.6/ 1.1     2       None

&&

$$

MAZ021-230900-
/O.CON.KBOX.SU.Y.0001.000000T0000Z-250824T0000Z/
Southern Plymouth MA-
331 PM EDT Fri Aug 22 2025

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY...

* WHAT...Large breaking waves of up to 3 feet in the surf zone.

* WHERE...Southern Plymouth County.

* WHEN...Until 8 PM EDT Saturday.

* IMPACTS...Dangerous swimming and surfing conditions and 
  localized beach erosion.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

&&

$$

MAZ015-016-230600-
/O.CON.KBOX.CF.S.0004.000000T0000Z-250823T0600Z/
Suffolk MA-Eastern Norfolk MA-
331 PM EDT Fri Aug 22 2025

...COASTAL FLOOD STATEMENT REMAINS IN EFFECT UNTIL 2 AM EDT
SATURDAY...

* WHAT... Up to one half foot of inundation above 
  ground level in low-lying areas near shorelines and tidal 
  waterways (11.8 to 12.1 feet Mean Lower Low Water).

* WHERE...Suffolk and Eastern Norfolk Counties.

* WHEN...Until 2 AM EDT Saturday.

* IMPACTS...Some water on low lying roads and property.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

&&

&&

Time of high total tides are approximate to the nearest hour.

Boston Harbor
MLLW Categories - Minor 12.5 ft, Moderate 14.0 ft, Major 15.0 ft
MHHW Categories - Minor 2.2 ft, Moderate 3.7 ft, Major 4.7 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 22/11 PM  11.9/12.4   1.6/ 2.0   1.4/ 1.9     1       None    
 23/12 PM  10.6/11.1   0.2/ 0.8   0.9/ 1.4    1-2      None    
 24/12 AM  11.1/11.6   0.8/ 1.3   0.6/ 1.1     2       None    
 24/01 PM  10.5/11.0   0.2/ 0.7   0.7/ 1.1     2       None    
 25/01 AM  11.0/11.5   0.7/ 1.1   0.7/ 1.1    1-2      None    
 25/01 PM  10.3/10.8   0.0/ 0.5   0.6/ 1.1    1-2      None

Revere
MLLW Categories - Minor 12.5 ft, Moderate 14.5 ft, Major 16.0 ft
MHHW Categories - Minor 2.6 ft, Moderate 4.6 ft, Major 6.1 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 22/11 PM  11.6/12.1   1.7/ 2.2   1.4/ 1.9     1       None    
 23/12 PM  10.3/10.8   0.4/ 0.9   0.8/ 1.3    1-2      None    
 24/12 AM  10.6/11.1   0.7/ 1.1   0.4/ 0.9     2       None    
 24/01 PM  10.3/10.8   0.4/ 0.9   0.7/ 1.1     2       None    
 25/01 AM  10.7/11.2   0.8/ 1.3   0.7/ 1.1     1       None    
 25/01 PM   9.9/10.4   0.0/ 0.5   0.5/ 1.0    1-2      None

&&

$$

Source: BOX continues Coastal Flood Advisory valid at Aug 22, 6:00 PM EDT for Bristol, Eastern Kent, Southeast Providence [RI] till Aug 22, 10:00 PM EDT

----------------
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