Active Weather Alerts
Coastal Flood Advisory
Issued: 7:28 PM Oct. 11, 2025 – National Weather Service
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 2 PM TO 6 PM EDT SUNDAY... * WHAT...Up to one foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways (3.6 to 12.6 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...From 2 PM to 6 PM EDT Sunday. * 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 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. 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 -------- --------- --------- --------- ------- -------- 11/03 PM 10.7/11.2 1.1/ 1.6 -0.2/ 0.2 1 None 12/04 AM 8.9/ 9.4 -0.8/-0.2 -0.2/ 0.2 2 None 12/04 PM 11.1/11.6 1.5/ 2.0 0.6/ 1.1 4-5 None 13/05 AM 9.7/10.2 0.1/ 0.6 1.0/ 1.5 8-10 None 13/05 PM 11.1/11.6 1.5/ 2.0 1.0/ 1.5 13 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 -------- --------- --------- --------- ------- -------- 11/03 PM 9.5/10.0 0.0/ 0.5 -0.2/ 0.2 1 None 12/04 AM 7.8/ 8.4 -1.7/-1.2 -0.2/ 0.2 1-2 None 12/04 PM 10.1/10.6 0.6/ 1.1 0.7/ 1.1 3-5 None 13/05 AM 8.8/ 9.3 -0.8/-0.2 1.0/ 1.5 6-8 None 13/05 PM 9.9/10.4 0.4/ 0.9 0.9/ 1.4 9-10 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 -------- --------- --------- --------- ------- -------- 11/03 PM 11.3/11.8 1.0/ 1.5 -0.2/ 0.3 1 None 12/04 AM 9.6/10.1 -0.8/-0.2 0.0/ 0.5 1-2 None 12/04 PM 11.7/12.2 1.4/ 1.9 0.8/ 1.3 2 None 13/05 AM 10.5/11.0 0.2/ 0.7 1.3/ 1.8 2 None 13/05 PM 11.5/12.0 1.2/ 1.7 1.1/ 1.6 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 -------- --------- --------- --------- ------- -------- 11/03 PM 11.1/11.6 1.2/ 1.7 -0.2/ 0.3 1 None 12/04 AM 9.4/ 9.9 -0.6/-0.1 0.0/ 0.5 1 None 12/04 PM 11.5/12.0 1.6/ 2.0 0.8/ 1.3 2 None 13/05 AM 10.1/10.6 0.2/ 0.7 1.2/ 1.7 2 None 13/05 PM 11.2/11.7 1.3/ 1.8 1.0/ 1.5 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 -------- --------- --------- --------- ------- -------- 11/03 PM 11.1/11.6 1.2/ 1.7 -0.2/ 0.3 1 None 12/04 AM 9.3/ 9.8 -0.7/-0.2 0.0/ 0.5 1-2 None 12/04 PM 11.5/12.0 1.6/ 2.0 0.7/ 1.1 3 Minor 13/05 AM 10.2/10.7 0.2/ 0.8 1.2/ 1.7 5-6 None 13/05 PM 12.4/12.9 2.5/ 3.0 2.1/ 2.6 6-7 Minor 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 -------- --------- --------- --------- ------- -------- 11/03 PM 10.6/11.1 0.9/ 1.4 -0.3/ 0.2 1 None 12/04 AM 9.0/ 9.5 -0.8/-0.2 -0.2/ 0.3 1-2 None 12/04 PM 11.2/11.7 1.5/ 2.0 0.7/ 1.1 3-4 None 13/05 AM 9.9/10.4 0.2/ 0.7 1.2/ 1.7 6-7 None 13/05 PM 11.3/11.8 1.6/ 2.0 2.2/ 2.7 9-10 Minor 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 -------- --------- --------- --------- ------- -------- 11/12 PM 2.6/ 3.1 0.6/ 1.1 -0.2/ 0.3 1 None 12/01 AM 1.9/ 2.3 -0.2/ 0.3 0.2/ 0.7 2-3 None 12/01 PM 3.2/ 3.7 1.3/ 1.8 0.8/ 1.3 3-4 None 13/01 AM 3.4/ 3.9 1.4/ 1.9 1.8/ 2.2 5-6 None 13/02 PM 3.7/ 4.2 1.8/ 2.2 1.5/ 2.0 5-6 None 14/02 AM 2.6/ 3.1 0.6/ 1.1 1.1/ 1.6 5 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 -------- --------- --------- --------- ------- -------- 11/04 AM 4.9/ 5.4 -0.3/ 0.2 -0.3/ 0.2 2 None 11/04 PM 6.0/ 6.5 0.8/ 1.3 -0.3/ 0.2 1-2 None 12/05 AM 5.0/ 5.5 -0.2/ 0.2 0.1/ 0.6 2-3 None 12/05 PM 6.7/ 7.2 1.5/ 2.0 0.7/ 1.1 5-6 None 13/06 AM 5.7/ 6.2 0.5/ 1.0 1.0/ 1.5 9-10 None 13/06 PM 6.4/ 6.9 1.2/ 1.7 0.7/ 1.1 11 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 -------- --------- --------- --------- ------- -------- 11/04 AM 3.7/ 4.2 -0.9/-0.4 -0.2/ 0.2 1-2 None 11/04 PM 4.9/ 5.4 0.4/ 0.9 -0.2/ 0.2 1-2 None 12/05 AM 3.9/ 4.4 -0.7/-0.2 0.0/ 0.5 2-3 None 12/04 PM 5.5/ 6.0 1.0/ 1.5 0.7/ 1.1 4-5 None 13/06 AM 4.9/ 5.4 0.4/ 0.9 1.1/ 1.6 8-9 None 13/06 PM 5.5/ 6.0 1.0/ 1.5 0.7/ 1.1 9 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 -------- --------- --------- --------- ------- -------- 11/03 PM 11.2/11.7 1.1/ 1.6 0.1/ 0.6 1 None 12/04 AM 9.6/10.1 -0.6/-0.1 0.1/ 0.6 1-3 None 12/04 PM 11.4/11.9 1.3/ 1.8 0.7/ 1.1 3-5 None 13/05 AM 10.3/10.8 0.2/ 0.7 1.2/ 1.7 7-8 None 13/05 PM 11.5/12.0 1.4/ 1.9 1.3/ 1.8 10 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 -------- --------- --------- --------- ------- -------- 11/03 PM 12.1/12.6 1.6/ 2.0 0.1/ 0.6 1 None 12/04 AM 10.3/10.8 -0.2/ 0.2 0.2/ 0.7 2-3 None 12/04 PM 12.3/12.8 1.8/ 2.2 0.8/ 1.3 3-4 None 13/05 AM 11.1/11.6 0.6/ 1.1 1.4/ 1.9 5-6 None 13/05 PM 12.4/12.9 1.9/ 2.3 1.4/ 1.9 6 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 -------- --------- --------- --------- ------- -------- 11/03 PM 10.6/11.1 0.2/ 0.8 0.6/ 1.1 1 None 12/04 AM 8.8/ 9.3 -1.6/-1.1 0.6/ 1.1 2-3 None 12/04 PM 10.6/11.1 0.2/ 0.8 1.1/ 1.6 3 None 13/05 AM 9.6/10.1 -0.8/-0.2 1.7/ 2.2 4 None 13/05 PM 10.9/11.4 0.6/ 1.1 1.8/ 2.2 4-5 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 -------- --------- --------- --------- ------- -------- 11/12 PM 4.5/ 5.0 0.1/ 0.6 -0.2/ 0.2 1 None 12/01 AM 3.7/ 4.2 -0.8/-0.2 0.0/ 0.5 1-2 None 12/01 PM 5.0/ 5.5 0.6/ 1.1 0.5/ 1.0 3 None 13/02 AM 4.9/ 5.4 0.5/ 1.0 1.3/ 1.8 3-4 None 13/02 PM 5.4/ 5.9 1.0/ 1.5 1.2/ 1.7 3-4 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 -------- --------- --------- --------- ------- -------- 11/04 AM 1.9/ 2.3 -0.9/-0.4 -0.2/ 0.3 1 None 11/03 PM 3.0/ 3.5 0.2/ 0.8 0.1/ 0.6 1-2 None 12/05 AM 2.2/ 2.7 -0.5/ 0.0 0.2/ 0.8 3-4 None 12/05 PM 4.0/ 4.5 1.4/ 1.9 1.2/ 1.7 5-6 Minor 13/06 AM 3.9/ 4.4 1.2/ 1.7 1.9/ 2.3 7-8 Minor 13/06 PM 4.2/ 4.7 1.5/ 2.0 1.3/ 1.8 7-8 Minor 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 -------- --------- --------- --------- ------- -------- 11/03 PM 2.2/ 2.7 0.2/ 0.8 0.2/ 0.7 1 None 12/04 AM 1.9/ 2.3 -0.2/ 0.3 0.2/ 0.8 2-3 None 12/05 PM 3.2/ 3.7 1.3/ 1.8 1.2/ 1.7 4-5 None 13/05 AM 3.2/ 3.7 1.3/ 1.8 1.8/ 2.2 6 None 13/06 PM 3.4/ 3.9 1.4/ 1.9 1.4/ 1.9 5-6 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 -------- --------- --------- --------- ------- -------- 11/04 AM 3.1/ 3.6 -0.6/-0.1 -0.2/ 0.3 2 None 11/04 PM 4.2/ 4.7 0.6/ 1.1 0.0/ 0.5 2 None 12/05 AM 3.2/ 3.7 -0.5/ 0.0 0.2/ 0.7 3-4 None 12/05 PM 5.0/ 5.5 1.4/ 1.9 0.9/ 1.4 6-7 Minor 13/06 AM 4.5/ 5.0 0.9/ 1.4 1.5/ 2.0 10 None 13/06 PM 5.1/ 5.6 1.5/ 2.0 1.1/ 1.6 10 Minor &&
Storm Warning
Issued: 5:14 PM Oct. 11, 2025 – National Weather Service
...STORM WARNING IN EFFECT FROM 2 PM SUNDAY TO 8 AM EDT MONDAY... * WHAT...Northeast winds 30 to 40 kt with gusts up to 50 kt and seas 6 to 9 feet expected. * WHERE...Nantucket Sound. * WHEN...From 2 PM Sunday to 8 AM EDT Monday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. &&
Wind Advisory
Issued: 5:06 PM Oct. 11, 2025 – National Weather Service
...WIND ADVISORY NOW IN EFFECT FROM 5 PM SUNDAY TO 8 PM EDT MONDAY... * WHAT...Northeast winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Barnstable MA County. * WHEN...From 5 PM Sunday to 8 PM EDT Monday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and some power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. &&
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