Active Weather Alerts
Coastal Flood Statement
Issued: 5:48 PM Dec. 2, 2025 – National Weather Service
...COASTAL FLOOD STATEMENT IN EFFECT WEDNESDAY MORNING... * WHAT...Up to one half foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways (2.7 to 12.5 feet Mean Lower Low Water). * WHERE...Eastern Essex MA, Suffolk MA, Eastern Norfolk MA, Eastern Plymouth MA, Barnstable MA, Dukes MA and Nantucket MA Counties. * WHEN...During the Wednesday morning high tide cycle. * IMPACTS...No significant impacts expected. Just pockets of very minor coastal flooding and/or splash over possible. Greatest risk will be south of Boston onto the Cape and Nantucket. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not drive through flooded roadways. && && 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 -------- --------- --------- --------- ------- -------- 02/09 PM 9.5/10.0 -0.2/ 0.3 0.6/ 1.1 3-4 None 03/09 AM 10.9/11.4 1.3/ 1.8 0.2/ 0.8 5-6 None 03/10 PM 9.1/ 9.6 -0.6/-0.1 0.0/ 0.5 3-4 None 04/10 AM 11.1/11.6 1.5/ 2.0 0.1/ 0.6 3 None 04/10 PM 8.4/ 8.9 -1.3/-0.8 -0.7/-0.2 4-5 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 -------- --------- --------- --------- ------- -------- 02/09 PM 8.6/ 9.1 -1.0/-0.5 0.6/ 1.1 3 None 03/09 AM 9.7/10.2 0.2/ 0.7 0.2/ 0.7 4 None 03/10 PM 8.2/ 8.7 -1.4/-0.9 0.0/ 0.5 2-3 None 04/10 AM 10.0/10.5 0.5/ 1.0 0.1/ 0.6 3 None 04/11 PM 7.5/ 8.0 -2.0/-1.6 -0.8/-0.2 3 None 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 -------- --------- --------- --------- ------- -------- 02/09 PM 10.6/11.1 0.2/ 0.8 0.8/ 1.3 2 None 03/09 AM 11.9/12.4 1.6/ 2.0 0.4/ 0.9 2 None 03/10 PM 9.9/10.4 -0.5/ 0.0 0.0/ 0.5 1-2 None 04/10 AM 11.9/12.4 1.6/ 2.0 0.1/ 0.6 2 None 04/11 PM 9.3/ 9.8 -1.1/-0.6 -0.7/-0.2 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 -------- --------- --------- --------- ------- -------- 02/09 PM 10.1/10.6 0.2/ 0.7 0.7/ 1.1 2 None 03/09 AM 11.4/11.9 1.5/ 2.0 0.2/ 0.8 2 None 03/10 PM 9.6/10.1 -0.3/ 0.2 0.0/ 0.5 1 None 04/10 AM 11.5/12.0 1.6/ 2.0 0.0/ 0.5 2 None 04/11 PM 9.0/ 9.5 -1.0/-0.5 -0.9/-0.4 2 None Green Harbor MLLW Categories - Minor 11.5 ft, Moderate 13.5 ft, Major 15.5 ft MHHW 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 -------- --------- --------- --------- ------- -------- 02/09 PM 10.0/10.5 0.1/ 0.6 0.8/ 1.3 3-4 None 03/09 AM 11.2/11.7 1.3/ 1.8 0.4/ 0.9 4 None 03/10 PM 9.3/ 9.8 -0.7/-0.2 0.0/ 0.5 2-3 None 04/10 AM 11.3/11.8 1.4/ 1.9 0.0/ 0.5 3 Minor 04/11 PM 8.8/ 9.3 -1.1/-0.7 -0.7/-0.2 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 -------- --------- --------- --------- ------- -------- 02/09 PM 9.9/10.4 0.2/ 0.7 0.8/ 1.3 3-4 None 03/09 AM 11.2/11.7 1.5/ 2.0 0.4/ 0.9 4-5 None 03/10 PM 9.2/ 9.7 -0.6/-0.1 0.0/ 0.5 3 None 04/10 AM 11.3/11.8 1.6/ 2.0 0.1/ 0.6 3 Minor 04/11 PM 8.7/ 9.2 -1.1/-0.6 -0.7/-0.2 4 None 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 -------- --------- --------- --------- ------- -------- 02/06 PM 2.2/ 2.7 0.2/ 0.7 0.4/ 0.9 2-3 None 03/06 AM 2.7/ 3.2 0.8/ 1.3 0.0/ 0.5 3-4 None 03/06 PM 2.0/ 2.5 0.0/ 0.5 0.2/ 0.8 2 None 04/07 AM 2.7/ 3.2 0.8/ 1.3 -0.2/ 0.3 3 None 04/07 PM 1.0/ 1.5 -1.1/-0.6 -0.9/-0.4 4 None 05/08 AM 2.7/ 3.2 0.8/ 1.3 -0.2/ 0.2 2-3 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 -------- --------- --------- --------- ------- -------- 02/10 PM 5.7/ 6.2 0.6/ 1.1 0.9/ 1.4 3-4 None 03/10 AM 6.8/ 7.3 1.6/ 2.0 0.5/ 1.0 5-6 None 03/10 PM 5.0/ 5.5 -0.2/ 0.2 0.0/ 0.5 4 None 04/11 AM 6.5/ 7.0 1.3/ 1.8 0.0/ 0.5 4 None 04/11 PM 4.7/ 5.2 -0.6/-0.1 -0.5/ 0.0 4-5 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 -------- --------- --------- --------- ------- -------- 02/10 PM 4.5/ 5.0 0.0/ 0.5 0.8/ 1.3 3-4 None 03/10 AM 5.6/ 6.1 1.1/ 1.6 0.6/ 1.1 5 None 03/10 PM 3.6/ 4.1 -1.0/-0.5 0.0/ 0.5 3 None 04/11 AM 5.2/ 5.7 0.8/ 1.3 0.1/ 0.6 3-4 None 05/12 AM 3.1/ 3.6 -1.5/-1.0 -0.7/-0.2 4-5 None Hyannis Harbor MLLW Categories - Minor 5.0 ft, Moderate 6.5 ft, Major 8.5 ft MHHW Categories - Minor 1.2 ft, Moderate 2.7 ft, Major 4.7 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 02/09 PM 3.7/ 4.2 0.0/ 0.5 0.9/ 1.4 3 None 03/10 AM 4.7/ 5.2 1.0/ 1.5 0.4/ 0.9 3 Minor 03/11 PM 3.0/ 3.5 -0.9/-0.4 -0.2/ 0.3 2 None 04/11 AM 4.2/ 4.7 0.5/ 1.0 -0.2/ 0.2 3 None 05/12 AM 2.2/ 2.7 -1.6/-1.1 -0.9/-0.4 3-4 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 -------- --------- --------- --------- ------- -------- 02/09 PM 10.6/11.1 0.5/ 1.0 0.8/ 1.3 3-4 None 03/09 AM 11.7/12.2 1.6/ 2.0 0.4/ 0.9 5-6 None 03/10 PM 9.8/10.3 -0.3/ 0.2 0.0/ 0.5 3-4 None 04/10 AM 11.8/12.3 1.7/ 2.2 0.2/ 0.7 3 None 04/11 PM 9.3/ 9.8 -0.9/-0.4 -0.6/-0.1 5-6 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 -------- --------- --------- --------- ------- -------- 02/09 PM 10.8/11.3 0.2/ 0.8 0.8/ 1.3 3 None 03/09 AM 12.3/12.8 1.8/ 2.2 0.6/ 1.1 4 None 03/10 PM 10.2/10.7 -0.3/ 0.2 0.0/ 0.5 2 None 04/10 AM 12.4/12.9 1.9/ 2.3 0.2/ 0.7 3 None 04/11 PM 10.2/10.7 -0.3/ 0.2 -0.2/ 0.3 3-4 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 -------- --------- --------- --------- ------- -------- 02/09 PM 9.3/ 9.8 -1.1/-0.6 1.0/ 1.5 3 None 03/09 AM 10.6/11.1 0.2/ 0.8 0.6/ 1.1 3 None 03/09 PM 8.5/ 9.0 -1.9/-1.4 0.2/ 0.7 2 None 04/10 AM 10.6/11.1 0.2/ 0.8 0.2/ 0.7 3 None 04/10 PM 8.3/ 8.8 -2.0/-1.6 -0.3/ 0.2 3-4 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 -------- --------- --------- --------- ------- -------- 02/06 PM 3.7/ 4.2 -0.7/-0.2 0.1/ 0.6 2-3 None 03/06 AM 4.9/ 5.4 0.5/ 1.0 -0.2/ 0.3 3 None 03/06 PM 3.9/ 4.4 -0.6/-0.1 0.2/ 0.7 1 None 04/07 AM 5.0/ 5.5 0.6/ 1.1 -0.2/ 0.2 2-3 None 04/07 PM 2.8/ 3.4 -1.6/-1.1 -1.0/-0.5 3 None 05/08 AM 4.7/ 5.2 0.4/ 0.9 -0.5/ 0.0 1-3 None 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 -------- --------- --------- --------- ------- -------- 02/09 PM 2.7/ 3.2 0.1/ 0.6 1.0/ 1.5 3-4 None 03/09 AM 3.2/ 3.7 0.6/ 1.1 0.2/ 0.8 4 None 03/09 PM 1.9/ 2.3 -0.9/-0.4 0.2/ 0.7 2 None 04/10 AM 3.1/ 3.6 0.4/ 0.9 0.0/ 0.5 3-4 None 05/12 AM 1.2/ 1.7 -1.6/-1.1 -0.7/-0.2 4-5 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 -------- --------- --------- --------- ------- -------- 02/08 PM 2.5/ 3.0 0.5/ 1.0 1.1/ 1.6 3 None 03/10 AM 2.5/ 3.0 0.5/ 1.0 0.4/ 0.9 3 None 03/08 PM 1.6/ 2.0 -0.5/ 0.0 0.4/ 0.9 2 None 04/10 AM 2.1/ 2.6 0.1/ 0.6 -0.2/ 0.3 3 None 04/11 PM 0.7/ 1.1 -1.4/-0.9 -1.0/-0.5 3-4 None 05/10 AM 2.1/ 2.6 0.1/ 0.6 0.0/ 0.5 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 -------- --------- --------- --------- ------- -------- 02/10 PM 3.7/ 4.2 0.1/ 0.6 0.8/ 1.3 4-5 None 03/10 AM 4.7/ 5.2 1.1/ 1.6 0.5/ 1.0 5-6 None 03/11 PM 2.8/ 3.4 -0.8/-0.2 0.0/ 0.5 3 None 04/11 AM 4.2/ 4.7 0.7/ 1.1 0.0/ 0.5 4-5 None 05/12 AM 2.5/ 3.0 -1.1/-0.7 -0.5/ 0.0 6 None &&
Gale Warning
Issued: 7:17 AM Dec. 2, 2025 – National Weather Service
...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST WEDNESDAY... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 3 feet expected. * WHERE...Boston Harbor. * WHEN...From 7 PM this evening to 7 AM EST Wednesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. &&
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