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415 WHUS41 KBOX 120721CFWBOXCoastal Hazard MessageNational Weather Service Boston/Norton MA321 AM EDT Sun Oct 12 2025MAZ007-015-016-019-022>024-122030-/O.CON.KBOX.CF.Y.0007.251012T1800Z-251012T2200Z/Eastern Essex MA-Suffolk MA-Eastern Norfolk MA-Eastern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA-321 AM EDT Sun Oct 12 2025...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 2 PM THISAFTERNOON TO 6 PM EDT THIS EVENING...* WHAT...Up to one foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways (3.7 to 12.9 feet Mean Lower Low Water).* WHERE...Eastern Essex, Suffolk, Eastern Norfolk, Eastern Plymouth, Barnstable, Dukes and Nantucket Counties.* WHEN...From 2 PM this afternoon to 6 PM EDT this evening.* 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. 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.PRECAUTIONARY/PREPAREDNESS ACTIONS...If travel is required, allow extra time as some roads may beclosed. Do not drive around barricades or through water ofunknown depth. Take the necessary actions to protect flood-proneproperty.&&&&Time of high total tides are approximate to the nearest hour.Gloucester HarborMLLW Categories - Minor 11.5 ft, Moderate 13.0 ft, Major 15.0 ftMHHW 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 -------- --------- --------- --------- ------- -------- 12/04 AM 9.2/ 9.7 -0.5/ 0.0 0.1/ 0.6 2-3 None 12/04 PM 11.4/11.9 1.8/ 2.2 0.9/ 1.4 5-7 Minor 13/05 AM 10.0/10.5 0.4/ 0.9 1.3/ 1.8 11-12 None 13/05 PM 11.4/11.9 1.8/ 2.2 1.3/ 1.8 13 Minor 14/06 AM 9.5/10.0 -0.2/ 0.3 1.0/ 1.5 11 None 14/06 PM 10.4/10.9 0.8/ 1.3 0.8/ 1.3 8-9 NoneMerrimack River near Newburyport MAMLLW Categories - Minor 11.0 ft, Moderate 12.0 ft, Major 13.5 ftMHHW 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 -------- --------- --------- --------- ------- -------- 12/04 AM 8.2/ 8.7 -1.4/-0.9 0.1/ 0.6 1-2 None 12/04 PM 10.3/10.8 0.8/ 1.3 0.9/ 1.4 4-6 None 13/05 AM 9.1/ 9.6 -0.5/ 0.0 1.3/ 1.8 8-9 None 13/05 PM 10.1/10.6 0.6/ 1.1 1.1/ 1.6 9 None 14/06 AM 8.6/ 9.1 -1.0/-0.5 1.0/ 1.5 7-8 None 14/06 PM 9.4/ 9.9 -0.2/ 0.3 0.8/ 1.3 5-6 NoneBoston HarborMLLW Categories - Minor 12.5 ft, Moderate 14.0 ft, Major 15.0 ftMHHW 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 -------- --------- --------- --------- ------- -------- 12/04 AM 9.8/10.3 -0.6/-0.1 0.2/ 0.7 1-2 None 12/04 PM 11.9/12.4 1.6/ 2.0 1.0/ 1.5 2 None 13/05 AM 10.5/11.0 0.2/ 0.7 1.3/ 1.8 2 None 13/05 PM 11.7/12.2 1.4/ 1.9 1.3/ 1.8 2 None 14/06 AM 9.9/10.4 -0.5/ 0.0 1.0/ 1.5 2 None 14/06 PM 10.8/11.3 0.5/ 1.0 0.9/ 1.4 2 NoneRevereMLLW Categories - Minor 12.5 ft, Moderate 14.5 ft, Major 16.0 ftMHHW 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 -------- --------- --------- --------- ------- -------- 12/04 AM 9.6/10.1 -0.3/ 0.2 0.2/ 0.7 1-2 None 12/04 PM 11.6/12.1 1.7/ 2.2 0.9/ 1.4 2 None 13/05 AM 10.1/10.6 0.2/ 0.7 1.2/ 1.7 2 None 13/05 PM 11.4/11.9 1.5/ 2.0 1.2/ 1.7 2 None 14/06 AM 9.6/10.1 -0.3/ 0.2 1.0/ 1.5 2 None 14/06 PM 10.6/11.1 0.7/ 1.1 0.9/ 1.4 1-2 NoneGreen HarborMLLW Categories - Minor 11.5 ft, Moderate 13.5 ft, Major 15.5 ftMHHW Categories - Minor 1.6 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 -------- --------- --------- --------- ------- -------- 12/04 AM 9.5/10.0 -0.5/ 0.0 0.2/ 0.7 1-3 None 12/04 PM 11.8/12.3 1.9/ 2.3 1.0/ 1.5 3-4 Minor 13/05 AM 10.7/11.2 0.8/ 1.3 1.7/ 2.2 6-7 None 13/05 PM 12.7/13.2 2.7/ 3.2 2.3/ 2.8 8 Minor 14/06 AM 10.0/10.5 0.1/ 0.6 1.3/ 1.8 6-7 None 14/06 PM 10.9/11.4 1.0/ 1.5 1.0/ 1.5 5-6 NoneScituate MAMLLW Categories - Minor 11.5 ft, Moderate 13.5 ft, Major 15.5 ftMHHW 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 -------- --------- --------- --------- ------- -------- 12/04 AM 9.3/ 9.8 -0.5/ 0.0 0.2/ 0.7 1-3 None 12/04 PM 11.5/12.0 1.8/ 2.2 1.0/ 1.5 4-5 Minor 13/05 AM 10.2/10.7 0.5/ 1.0 1.5/ 2.0 8-9 None 13/05 PM 11.6/12.1 1.9/ 2.3 2.5/ 3.0 10 Minor 14/06 AM 9.7/10.2 0.0/ 0.5 1.2/ 1.7 8-9 None 14/06 PM 10.5/11.0 0.8/ 1.3 0.9/ 1.4 6-7 NoneBuzzards Bay at Woods HoleMLLW Categories - Minor 5.5 ft, Moderate 7.0 ft, Major 8.5 ftMHHW 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 -------- --------- --------- --------- ------- -------- 12/01 PM 3.6/ 4.1 1.6/ 2.0 1.1/ 1.6 4-5 None 13/02 AM 3.5/ 4.0 1.5/ 2.0 1.9/ 2.3 6 None 13/02 PM 3.9/ 4.4 1.9/ 2.3 1.6/ 2.0 6 None 14/02 AM 2.7/ 3.2 0.7/ 1.1 1.2/ 1.7 5 None 14/03 PM 3.1/ 3.6 1.1/ 1.6 1.0/ 1.5 4 NoneChatham MA - East CoastMLLW Categories - Minor 9.0 ft, Moderate 11.5 ft, Major 13.0 ftMHHW 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 -------- --------- --------- --------- ------- -------- 12/05 AM 5.2/ 5.7 0.0/ 0.5 0.2/ 0.8 2-4 None 12/05 PM 6.9/ 7.4 1.7/ 2.2 0.9/ 1.4 6-8 None 13/06 AM 5.9/ 6.4 0.7/ 1.1 1.2/ 1.7 11 None 13/06 PM 6.7/ 7.2 1.5/ 2.0 1.0/ 1.5 11 None 14/07 AM 5.2/ 5.7 0.1/ 0.6 0.8/ 1.3 8-9 None 14/07 PM 6.2/ 6.7 1.0/ 1.5 0.8/ 1.3 7 NoneChatham - South sideMLLW Categories - Minor 9.0 ft, Moderate 10.5 ft, Major 11.5 ftMHHW 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 -------- --------- --------- --------- ------- -------- 12/05 AM 4.0/ 4.5 -0.5/ 0.0 0.2/ 0.7 2-3 None 12/05 PM 5.7/ 6.2 1.3/ 1.8 0.9/ 1.4 5-7 None 13/06 AM 4.9/ 5.4 0.4/ 0.9 1.1/ 1.6 9-10 None 13/06 PM 5.7/ 6.2 1.3/ 1.8 1.0/ 1.5 9 None 14/07 AM 4.5/ 5.0 0.0/ 0.5 0.8/ 1.3 7-8 None 14/07 PM 5.2/ 5.7 0.8/ 1.3 0.7/ 1.1 6 NoneProvincetown HarborMLLW Categories - Minor 13.0 ft, Moderate 14.0 ft, Major 15.0 ftMHHW 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 -------- --------- --------- --------- ------- -------- 12/04 AM 9.8/10.3 -0.3/ 0.2 0.2/ 0.8 2-3 None 12/04 PM 11.8/12.3 1.7/ 2.2 1.1/ 1.6 4-6 None 13/05 AM 10.7/11.2 0.6/ 1.1 1.6/ 2.0 9-10 None 13/05 PM 11.9/12.4 1.8/ 2.2 1.7/ 2.2 10 None 14/06 AM 10.2/10.7 0.1/ 0.6 1.4/ 1.9 8-9 None 14/06 PM 11.1/11.6 1.0/ 1.5 1.3/ 1.8 7-8 NoneDennis - Sesuit HarborMLLW Categories - Minor 13.0 ft, Moderate 14.5 ft, Major 16.0 ftMHHW 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 -------- --------- --------- --------- ------- -------- 12/04 AM 10.6/11.1 0.1/ 0.6 0.5/ 1.0 2-3 None 12/04 PM 12.7/13.2 2.2/ 2.7 1.2/ 1.7 3-5 None 13/05 AM 11.4/11.9 0.9/ 1.4 1.7/ 2.2 6-7 None 13/05 PM 12.7/13.2 2.2/ 2.7 1.7/ 2.2 6 None 14/06 AM 10.9/11.4 0.4/ 0.9 1.5/ 2.0 5-6 None 14/06 PM 11.9/12.4 1.4/ 1.9 1.4/ 1.9 5 NoneSandwich HarborMLLW Categories - Minor 12.0 ft, Moderate 14.0 ft, Major 15.0 ftMHHW 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 -------- --------- --------- --------- ------- -------- 12/04 AM 9.1/ 9.6 -1.3/-0.8 0.9/ 1.4 2-3 None 12/04 PM 11.0/11.5 0.7/ 1.1 1.5/ 2.0 3-4 None 13/05 AM 10.0/10.5 -0.3/ 0.2 2.1/ 2.6 5 None 13/05 PM 11.2/11.7 0.9/ 1.4 2.1/ 2.6 5 None 14/06 AM 9.2/ 9.7 -1.1/-0.7 1.6/ 2.0 4-5 None 14/06 PM 10.1/10.6 -0.2/ 0.2 1.4/ 1.9 4 NoneWings NeckMLLW Categories - Minor 6.5 ft, Moderate 9.0 ft, Major 11.5 ftMHHW 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 -------- --------- --------- --------- ------- -------- 12/03 AM 2.7/ 3.2 -1.8/-1.3 0.2/ 0.7 2-3 None 12/01 PM 5.2/ 5.7 0.8/ 1.3 0.7/ 1.1 3 None 13/02 AM 5.0/ 5.5 0.6/ 1.1 1.4/ 1.9 4 None 13/02 PM 5.4/ 5.9 1.0/ 1.5 1.2/ 1.7 4 None 14/03 AM 4.4/ 4.9 0.0/ 0.5 0.8/ 1.3 3-4 None 14/03 PM 4.5/ 5.0 0.1/ 0.6 0.5/ 1.0 3 NoneEdgartownMLLW Categories - Minor 4.0 ft, Moderate 5.0 ft, Major 7.0 ftMHHW 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 -------- --------- --------- --------- ------- -------- 12/05 AM 2.5/ 3.0 -0.2/ 0.2 0.5/ 1.0 3-4 None 12/05 PM 4.2/ 4.7 1.6/ 2.0 1.4/ 1.9 6-7 Minor 13/06 AM 3.9/ 4.4 1.2/ 1.7 1.9/ 2.3 8 Minor 13/06 PM 4.4/ 4.9 1.7/ 2.2 1.5/ 2.0 7-8 Minor 14/06 AM 3.1/ 3.6 0.4/ 0.9 1.1/ 1.6 6 None 14/07 PM 3.7/ 4.2 1.1/ 1.6 1.0/ 1.5 5 MinorVineyard HavenMLLW Categories - Minor 4.5 ft, Moderate 6.0 ft, Major 7.0 ftMHHW 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 -------- --------- --------- --------- ------- -------- 12/04 AM 2.1/ 2.6 0.1/ 0.6 0.5/ 1.0 2-3 None 12/05 PM 3.5/ 4.0 1.5/ 2.0 1.4/ 1.9 4-6 None 13/06 AM 3.4/ 3.9 1.4/ 1.9 1.9/ 2.3 6 None 13/06 PM 3.6/ 4.1 1.6/ 2.0 1.6/ 2.0 5-6 None 14/06 AM 2.7/ 3.2 0.7/ 1.1 1.1/ 1.6 4-5 None 14/06 PM 2.8/ 3.4 0.9/ 1.4 1.1/ 1.6 4 NoneNantucket HarborMLLW Categories - Minor 5.0 ft, Moderate 6.5 ft, Major 8.0 ftMHHW 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 -------- --------- --------- --------- ------- -------- 12/05 AM 3.4/ 3.9 -0.2/ 0.2 0.4/ 0.9 3-5 None 12/05 PM 5.2/ 5.7 1.6/ 2.0 1.1/ 1.6 7-9 Minor 13/06 AM 4.6/ 5.1 1.0/ 1.5 1.6/ 2.0 10-11 None 13/06 PM 5.2/ 5.7 1.6/ 2.0 1.2/ 1.7 10 Minor 14/07 AM 4.0/ 4.5 0.4/ 0.9 1.1/ 1.6 8 None 14/07 PM 4.9/ 5.4 1.3/ 1.8 1.1/ 1.6 7 Minor&&$$RIZ006>008-121900-/O.CON.KBOX.CF.Y.0007.251012T1500Z-251012T1900Z/Washington RI-Newport RI-Block Island RI-321 AM EDT Sun Oct 12 2025...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 11 AM THISMORNING TO 3 PM EDT THIS AFTERNOON...* WHAT...Up to one foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways (4.7 to 5.5 feet Mean Lower Low Water).* WHERE...Washington and Newport Counties, including Block Island.* WHEN...From 11 AM this morning to 3 PM EDT this afternoon.* IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected.* ADDITIONAL DETAILS...Mainly the ocean exposed coastline of Rhode Island will be impacted with minor inundation at high tide.PRECAUTIONARY/PREPAREDNESS ACTIONS...If travel is required, allow extra time as some roads may beclosed. Do not drive around barricades or through water ofunknown depth. Take the necessary actions to protect flood-proneproperty.&&&&Time of high total tides are approximate to the nearest hour.Westerly RI at Watch HillMLLW Categories - Minor 5.0 ft, Moderate 8.0 ft, Major 9.5 ftMHHW 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 -------- --------- --------- --------- ------- -------- 12/02 PM 4.7/ 5.2 1.7/ 2.2 1.6/ 2.0 5-6 None 13/03 AM 5.0/ 5.5 2.0/ 2.5 2.7/ 3.2 9 Minor 13/02 PM 4.9/ 5.4 1.9/ 2.3 2.1/ 2.6 9-10 Minor 14/02 AM 3.7/ 4.2 0.7/ 1.1 1.8/ 2.2 7-8 None 14/03 PM 3.9/ 4.4 0.9/ 1.4 1.3/ 1.8 5 NoneNewport HarborMLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.0 ftMHHW 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 -------- --------- --------- --------- ------- -------- 12/01 PM 5.2/ 5.7 1.4/ 1.9 1.2/ 1.7 3 None 13/01 AM 5.6/ 6.1 1.7/ 2.2 2.1/ 2.6 3 None 13/02 PM 5.6/ 6.1 1.7/ 2.2 1.7/ 2.2 3 None 14/02 AM 4.6/ 5.1 0.7/ 1.1 1.2/ 1.7 3 None 14/03 PM 4.6/ 5.1 0.7/ 1.1 0.9/ 1.4 3 NoneNewport South Coast BeachesMLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.0 ftMHHW 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 -------- --------- --------- --------- ------- -------- 12/01 PM 5.0/ 5.5 1.5/ 2.0 1.2/ 1.7 5-6 None 13/01 AM 5.2/ 5.7 1.8/ 2.2 2.1/ 2.6 8-9 None 13/02 PM 5.2/ 5.7 1.8/ 2.2 1.7/ 2.2 8 None 14/02 AM 4.2/ 4.7 0.8/ 1.3 1.2/ 1.7 6-7 None 14/02 PM 4.2/ 4.7 0.8/ 1.3 1.0/ 1.5 5 NoneBlock Island at Old HarborMLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.0 ftMHHW 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 -------- --------- --------- --------- ------- -------- 12/12 PM 4.6/ 5.1 1.4/ 1.9 1.2/ 1.7 8-10 None 13/01 AM 4.9/ 5.4 1.7/ 2.2 2.2/ 2.7 14-15 None 13/01 PM 5.2/ 5.7 2.0/ 2.5 2.1/ 2.6 14 None 14/02 AM 4.2/ 4.7 1.0/ 1.5 1.5/ 2.0 11-12 None 14/02 PM 4.0/ 4.5 0.9/ 1.4 1.2/ 1.7 8-9 None&&$$