[Alert]BOX continues Coastal Flood Advisory valid at Aug 22, 10:00 PM EDT for Dukes, Nantucket [MA] till Aug 23, 2:00 AM EDT

[ThreatWebInternal]

BOX continues Coastal Flood Advisory valid at Aug 22, 10:00 PM EDT for Dukes, Nantucket [MA] till Aug 23, 2:00 AM EDT

892 
WHUS41 KBOX 220621
CFWBOX

Coastal Hazard Message
National Weather Service Boston/Norton MA
221 AM EDT Fri Aug 22 2025

MAZ023-024-222000-
/O.EXP.KBOX.CF.Y.0005.000000T0000Z-250822T0600Z/
/O.CON.KBOX.SU.Y.0001.000000T0000Z-250824T0000Z/
/O.CON.KBOX.CF.Y.0004.250823T0200Z-250823T0600Z/
Dukes MA-Nantucket MA-
221 AM 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...
...COASTAL FLOOD ADVISORY HAS EXPIRED...

* WHAT...For the High Surf Advisory, large breaking waves of 5 
  to 19 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 MA 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 
 --------  ---------  ---------  ---------  -------  --------
 22/12 PM   3.7/ 4.2   1.1/ 1.6   1.7/ 2.2    5-6     Minor    
 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

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 
 --------  ---------  ---------  ---------  -------  --------
 22/12 PM   3.5/ 4.0   1.5/ 2.0   1.7/ 2.2    4-5      None    
 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

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 
 --------  ---------  ---------  ---------  -------  --------
 22/12 PM   4.6/ 5.1   1.0/ 1.5   1.6/ 2.0    8-9      None    
 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

&&

$$

MAZ020-RIZ006-007-222000-
/O.CON.KBOX.SU.Y.0001.000000T0000Z-250824T0000Z/
/O.CON.KBOX.CF.Y.0006.250822T1000Z-250822T1400Z/
/O.CON.KBOX.CF.Y.0004.250822T2200Z-250823T0200Z/
Southern Bristol MA-Washington RI-Newport RI-
221 AM EDT Fri Aug 22 2025

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY...
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 6 AM TO 10 AM
EDT THIS MORNING...
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 6 PM TO 10 PM
EDT THIS EVENING...

* WHAT...Large breaking waves of 10 to 15 feet. Flooding of up 
  to one foot deep on vulnerable coastal roads and some debris 
  on roadways around high tide Friday morning and Friday evening.

* 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 first Coastal Flood Advisory, from 6 AM to 10 AM EDT 
  this morning. For the second Coastal Flood Advisory, from 6 PM 
  to 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 
 --------  ---------  ---------  ---------  -------  --------
 22/08 AM   4.2/ 4.7   1.3/ 1.8   1.7/ 2.2    7-8      None    
 22/09 PM   4.6/ 5.1   1.6/ 2.0   1.5/ 2.0     4      Minor    
 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

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 AM   5.6/ 6.1   1.7/ 2.2   1.6/ 2.0     3       None    
 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

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 AM   5.2/ 5.7   1.8/ 2.2   1.6/ 2.0    7-9      None    
 22/08 PM   5.4/ 5.9   1.9/ 2.3   1.5/ 2.0    4-5      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     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

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 AM   5.9/ 6.4   1.4/ 1.9   1.6/ 2.0     3       None    
 22/08 PM   6.7/ 7.2   2.2/ 2.7   1.7/ 2.2     1      Minor    
 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

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 AM   6.4/ 6.9   1.7/ 2.2   1.5/ 2.0     3       None    
 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

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 AM   5.5/ 6.0   1.6/ 2.0   1.5/ 2.0    3-4      None    
 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     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 AM   5.1/ 5.6   1.6/ 2.0   1.5/ 2.0    6-8      None    
 22/08 PM   5.2/ 5.7   1.8/ 2.2   1.5/ 2.0    3-4      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

&&

$$

RIZ008-222000-
/O.CON.KBOX.SU.Y.0001.000000T0000Z-250824T0000Z/
/O.CON.KBOX.CF.Y.0006.250822T1000Z-250822T1400Z/
/O.CON.KBOX.CF.Y.0004.250822T2200Z-250823T0200Z/
Block Island RI-
221 AM EDT Fri Aug 22 2025

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY...
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 6 AM TO 10 AM
EDT THIS MORNING...
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 6 PM TO 10 PM
EDT THIS EVENING...

* WHAT...Large breaking waves of 10 to 15 feet. Flooding of up 
  to one foot deep on vulnerable coastal roads and some debris 
  on roadways around high tide Friday morning and Friday evening.

* WHERE...Block Island RI.

* WHEN...For the High Surf Advisory, until 8 PM EDT Saturday. 
  For the first Coastal Flood Advisory, from 6 AM to 10 AM EDT 
  this morning. For the second Coastal Flood Advisory, from 6 PM 
  to 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 
 --------  ---------  ---------  ---------  -------  --------
 22/07 AM   4.7/ 5.2   1.6/ 2.0   1.6/ 2.0   12-14     None    
 22/08 PM   5.1/ 5.6   1.9/ 2.3   1.5/ 2.0     7      Minor    
 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

&&

$$

RIZ002-004-005-222000-
/O.CON.KBOX.CF.Y.0006.250822T1000Z-250822T1400Z/
/O.CON.KBOX.CF.Y.0004.250822T2200Z-250823T0200Z/
Southeast Providence RI-Eastern Kent RI-Bristol RI-
221 AM EDT Fri Aug 22 2025

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 6 AM TO 10 AM
EDT THIS MORNING...
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 6 PM TO 10 PM
EDT THIS EVENING...

* WHAT...Flooding of up to one foot deep on vulnerable coastal 
  roads around high tide Friday morning and Friday evening.

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

* WHEN...For the first Coastal Flood Advisory, from 6 AM to 10 
  AM EDT this morning. For the second Coastal Flood Advisory, 
  from 6 PM to 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 
 --------  ---------  ---------  ---------  -------  --------
 22/09 AM   5.6/ 6.1   0.8/ 1.3   1.6/ 2.0     2       None    
 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

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 AM   6.4/ 6.9   1.8/ 2.2   1.6/ 2.0    2-3      None    
 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

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 AM   5.9/ 6.4   1.4/ 1.9   1.6/ 2.0     3       None    
 22/08 PM   6.7/ 7.2   2.2/ 2.7   1.7/ 2.2     1      Minor    
 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

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 AM   5.9/ 6.4   1.8/ 2.2   1.6/ 2.0    2-3     Minor    
 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    1-2      None

&&

$$

MAZ022-222000-
/O.CON.KBOX.SU.Y.0001.000000T0000Z-250824T0000Z/
/O.CON.KBOX.CF.S.0004.000000T0000Z-250823T0600Z/
Barnstable MA-
221 AM EDT Fri Aug 22 2025

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY...
...COASTAL FLOOD STATEMENT REMAINS IN EFFECT THROUGH LATE
TONIGHT...

* WHAT...Large breaking waves of 10 to 15 feet on ocean beaches. 
  Some splashover on vulnerable coastal roads around high tide 
  tonight through Friday night.

* WHERE...Cape Cod.

* WHEN...For the High Surf Advisory, until 8 PM EDT Saturday. 
  For the Coastal Flood Statement, through late tonight.

* 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 AM   3.5/ 4.0   1.5/ 2.0   1.5/ 2.0    5-6      None    
 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

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 AM   5.5/ 6.0   0.2/ 0.8   1.5/ 2.0     9       None    
 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    3-4      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 
 --------  ---------  ---------  ---------  -------  --------
 22/01 PM   5.2/ 5.7   0.7/ 1.1   1.4/ 1.9     7       None    
 23/01 AM   6.0/ 6.5   1.5/ 2.0   1.3/ 1.8    5-6      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

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 
 --------  ---------  ---------  ---------  -------  --------
 22/11 AM  10.4/10.9   0.2/ 0.8   1.4/ 1.9     7       None    
 23/12 AM  11.7/12.2   1.6/ 2.0   1.3/ 1.8    5-6      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

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 
 --------  ---------  ---------  ---------  -------  --------
 22/11 AM  11.3/11.8   0.8/ 1.3   1.6/ 2.0     5       None    
 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

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 AM   9.7/10.2  -0.7/-0.2   1.6/ 2.0    3-4      None    
 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    1-2      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

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 AM   5.5/ 6.0   1.1/ 1.6   1.4/ 1.9     3       None    
 22/08 PM   6.0/ 6.5   1.6/ 2.0   1.6/ 2.0     2       None    
 23/09 AM   5.2/ 5.7   0.9/ 1.4   1.1/ 1.6     1       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

&&

$$

MAZ007-019-222000-
/O.CON.KBOX.SU.Y.0001.000000T0000Z-250824T0000Z/
/O.CON.KBOX.CF.S.0004.000000T0000Z-250823T0600Z/
Eastern Essex MA-Eastern Plymouth MA-
221 AM EDT Fri Aug 22 2025

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY...
...COASTAL FLOOD STATEMENT REMAINS IN EFFECT THROUGH LATE
TONIGHT...

* WHAT...Large breaking waves of 10 to 15 feet on ocean beaches. 
  Some splashover on vulnerable coastal roads around high tide 
  tonight through Friday night.

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

* WHEN...For the High Surf Advisory, until 8 PM EDT Saturday. 
  For the Coastal Flood Statement, through late tonight.

* 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 
 --------  ---------  ---------  ---------  -------  --------
 22/12 PM  10.1/10.6   0.5/ 1.0   1.4/ 1.9     7       None    
 23/12 AM  11.4/11.9   1.8/ 2.2   1.3/ 1.8     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

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 
 --------  ---------  ---------  ---------  -------  --------
 22/12 PM   9.2/ 9.7  -0.3/ 0.2   1.4/ 1.9    4-5      None    
 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

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 
 --------  ---------  ---------  ---------  -------  --------
 22/12 PM  10.3/10.8   0.6/ 1.1   1.5/ 2.0     6       None    
 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     4       None

&&

$$

MAZ021-222000-
/O.CON.KBOX.SU.Y.0001.000000T0000Z-250824T0000Z/
Southern Plymouth MA-
221 AM EDT Fri Aug 22 2025

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

* WHAT...Large breaking waves of up to 4 feet in the surf zone.

* WHERE...Southern Plymouth MA 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.

&&

$$

MAZ015-016-222000-
/O.CON.KBOX.CF.S.0004.000000T0000Z-250823T0600Z/
Suffolk MA-Eastern Norfolk MA-
221 AM EDT Fri Aug 22 2025

...COASTAL FLOOD STATEMENT REMAINS IN EFFECT THROUGH LATE
TONIGHT...

* WHAT...Large breaking waves of 10 to 15 feet on ocean beaches. 
  Some splashover on vulnerable coastal roads around high tide 
  tonight through Friday night.

* WHERE...Suffolk MA and Eastern Norfolk MA Counties.

* WHEN...Through late tonight.

* 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 AM  10.7/11.2   0.4/ 0.9   1.3/ 1.8     2       None    
 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

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 
 --------  ---------  ---------  ---------  -------  --------
 22/12 PM  10.6/11.1   0.7/ 1.1   1.5/ 2.0     2       None    
 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

&&

$$

Source: BOX continues Coastal Flood Advisory valid at Aug 22, 10:00 PM EDT for Dukes, Nantucket [MA] till Aug 23, 2:00 AM EDT

----------------
If I'm using your data in a way that is against your terms please email the team at "threatweb@pupswoof117.com"! I am a bot who will not respond in the comments at all and is only designed to post RSS feeds!