Active Weather Alerts
Storm Warning
Issued: 6:58 PM Sep. 25, 2026 – National Weather Service
...STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY... * WHAT...Northeast winds 20 to 30 kt with gusts up to 50 kt and seas 6 to 9 feet. * WHERE...Cape Cod Bay. * WHEN...Until 8 PM EDT Saturday. * 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. &&
High Surf Advisory
Issued: 4:35 PM Sep. 25, 2026 – National Weather Service
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SUNDAY... ...COASTAL FLOOD WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 PM EDT SUNDAY... * WHAT...For the High Surf Advisory, large breaking waves of 6 to 13 feet in the surf zone. For the Coastal Flood Warning, up to one foot of inundation above ground level expected in low- lying areas near shorelines and tidal waterways (4.0 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...For the High Surf Advisory, until 8 PM EDT Sunday. For the Coastal Flood Warning, from 5 PM this afternoon to 8 PM EDT Sunday. * IMPACTS...Strong northeast winds with large waves will result in minor coastal flooding with pockets of moderate coastal flooding over multiple high tide cycles from late today through the weekend. The water also may struggle to vacate the area after the high tides given persistent strong northeast winds. The greatest risk for coastal flooding appears to be setting up south of Boston and onto the Cape and Islands. In addition...the long duration of northeast winds coupled with large waves over multiple high tide cycles will result in areas of severe beach erosion for a prolonged period. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth. 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 -------- --------- --------- --------- ------- -------- 25/11 AM 9.0/ 9.5 -0.7/-0.2 0.2/ 0.7 8-9 None 25/11 PM 10.2/10.7 0.6/ 1.1 1.0/ 1.5 10-13 None 26/12 PM 10.9/11.4 1.3/ 1.8 1.8/ 2.2 11-12 None 27/12 AM 11.2/11.7 1.6/ 2.0 1.8/ 2.2 12-13 None 27/12 PM 11.2/11.7 1.6/ 2.0 1.5/ 2.0 11-12 None 28/01 AM 10.4/10.9 0.8/ 1.3 1.0/ 1.5 8-9 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 -------- --------- --------- --------- ------- -------- 25/11 AM 8.1/ 8.6 -1.5/-1.0 0.1/ 0.6 4-5 None 25/11 PM 9.3/ 9.8 -0.2/ 0.2 1.0/ 1.5 5-6 None 26/12 PM 10.2/10.7 0.7/ 1.1 1.8/ 2.2 6-7 None 27/12 AM 10.3/10.8 0.8/ 1.3 1.8/ 2.2 7 None 27/12 PM 10.2/10.7 0.7/ 1.1 1.5/ 2.0 6 None 28/01 AM 9.6/10.1 0.1/ 0.6 1.0/ 1.5 6 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 -------- --------- --------- --------- ------- -------- 25/11 AM 10.1/10.6 -0.2/ 0.2 0.4/ 0.9 2 None 25/11 PM 11.3/11.8 1.0/ 1.5 1.1/ 1.6 2 None 26/12 PM 12.1/12.6 1.8/ 2.2 2.0/ 2.5 2 None 27/12 AM 12.4/12.9 2.1/ 2.6 2.1/ 2.6 2 Minor 27/12 PM 12.3/12.8 2.0/ 2.5 1.7/ 2.2 2 Minor 28/12 AM 11.3/11.8 1.0/ 1.5 1.2/ 1.7 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 -------- --------- --------- --------- ------- -------- 25/11 AM 9.6/10.1 -0.3/ 0.2 0.2/ 0.7 2 None 25/11 PM 10.9/11.4 1.0/ 1.5 1.0/ 1.5 2 None 26/12 PM 11.7/12.2 1.8/ 2.2 1.9/ 2.3 2 None 27/12 AM 12.1/12.6 2.2/ 2.7 2.0/ 2.5 2 None 27/12 PM 12.0/12.5 2.1/ 2.6 1.7/ 2.2 2 None 28/01 AM 11.1/11.6 1.2/ 1.7 1.1/ 1.6 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 -------- --------- --------- --------- ------- -------- 25/11 AM 9.5/10.0 -0.5/ 0.0 0.6/ 1.1 4-5 None 25/11 PM 10.4/10.9 0.5/ 1.0 1.1/ 1.6 5-6 None 26/12 PM 11.4/11.9 1.5/ 2.0 2.0/ 2.5 7 Minor 27/12 AM 11.6/12.1 1.7/ 2.2 2.0/ 2.5 7 Minor 27/12 PM 11.5/12.0 1.6/ 2.0 1.7/ 2.2 6 Minor 28/01 AM 10.7/11.2 0.8/ 1.3 1.1/ 1.6 6 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 -------- --------- --------- --------- ------- -------- 25/11 AM 9.3/ 9.8 -0.5/ 0.0 0.5/ 1.0 6 None 25/11 PM 10.3/10.8 0.6/ 1.1 1.1/ 1.6 8 None 26/12 PM 11.1/11.6 1.4/ 1.9 1.9/ 2.3 9-12 None 27/12 AM 11.3/11.8 1.6/ 2.0 1.9/ 2.3 9 Minor 27/12 PM 11.3/11.8 1.6/ 2.0 1.6/ 2.0 8 Minor 28/01 AM 10.5/11.0 0.8/ 1.3 1.1/ 1.6 7 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 -------- --------- --------- --------- ------- -------- 25/08 PM 3.5/ 4.0 1.5/ 2.0 1.3/ 1.8 4-5 None 26/08 AM 4.7/ 5.2 2.7/ 3.2 2.3/ 2.8 5-6 None 26/09 PM 3.7/ 4.2 1.8/ 2.2 1.6/ 2.0 5 None 27/09 AM 4.0/ 4.5 2.1/ 2.6 1.6/ 2.0 4 None 27/09 PM 3.0/ 3.5 1.0/ 1.5 0.9/ 1.4 3-4 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 -------- --------- --------- --------- ------- -------- 25/12 PM 5.7/ 6.2 0.6/ 1.1 0.8/ 1.3 8-9 None 26/12 AM 6.6/ 7.1 1.4/ 1.9 1.3/ 1.8 10-11 None 26/12 PM 7.1/ 7.6 1.9/ 2.3 1.8/ 2.2 11 None 27/01 AM 7.1/ 7.6 1.9/ 2.3 1.7/ 2.2 9 None 27/01 PM 7.1/ 7.6 1.9/ 2.3 1.4/ 1.9 7 None 28/01 AM 6.2/ 6.7 1.0/ 1.5 0.9/ 1.4 5-6 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 -------- --------- --------- --------- ------- -------- 25/11 AM 4.5/ 5.0 0.0/ 0.5 0.7/ 1.1 7-8 None 26/12 AM 5.0/ 5.5 0.5/ 1.0 1.0/ 1.5 8-9 None 26/12 PM 5.6/ 6.1 1.1/ 1.6 1.6/ 2.0 8-9 None 27/01 AM 5.5/ 6.0 1.0/ 1.5 1.5/ 2.0 8 None 27/01 PM 5.5/ 6.0 1.0/ 1.5 1.2/ 1.7 6 None 28/01 AM 4.7/ 5.2 0.2/ 0.8 0.9/ 1.4 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 -------- --------- --------- --------- ------- -------- 25/11 AM 4.0/ 4.5 0.2/ 0.8 0.9/ 1.4 4 None 26/12 AM 4.7/ 5.2 1.0/ 1.5 1.2/ 1.7 5 Minor 26/12 PM 5.2/ 5.7 1.5/ 2.0 1.8/ 2.2 5 Minor 27/01 AM 5.2/ 5.7 1.5/ 2.0 1.8/ 2.2 5 Minor 27/01 PM 5.1/ 5.6 1.3/ 1.8 1.3/ 1.8 4 Minor 28/02 AM 4.2/ 4.7 0.5/ 1.0 0.9/ 1.4 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 -------- --------- --------- --------- ------- -------- 25/11 AM 10.1/10.6 0.0/ 0.5 0.6/ 1.1 7-8 None 25/11 PM 11.0/11.5 0.9/ 1.4 1.0/ 1.5 8-9 None 26/12 PM 11.7/12.2 1.6/ 2.0 1.8/ 2.2 10-11 None 27/12 AM 11.9/12.4 1.8/ 2.2 1.7/ 2.2 10 None 27/12 PM 11.8/12.3 1.7/ 2.2 1.5/ 2.0 8 None 28/01 AM 11.2/11.7 1.1/ 1.6 1.0/ 1.5 6-7 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 -------- --------- --------- --------- ------- -------- 25/11 AM 10.8/11.3 0.2/ 0.8 1.0/ 1.5 5 None 25/11 PM 11.2/11.7 0.7/ 1.1 1.1/ 1.6 6 None 26/12 PM 12.1/12.6 1.6/ 2.0 1.9/ 2.3 6-7 None 27/12 AM 12.3/12.8 1.8/ 2.2 1.9/ 2.3 6 None 27/12 PM 12.2/12.7 1.7/ 2.2 1.5/ 2.0 5 None 28/01 AM 11.5/12.0 1.0/ 1.5 1.0/ 1.5 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 -------- --------- --------- --------- ------- -------- 25/11 AM 9.2/ 9.7 -1.1/-0.7 1.0/ 1.5 4 None 25/11 PM 9.9/10.4 -0.5/ 0.0 1.3/ 1.8 5 None 26/11 AM 10.6/11.1 0.2/ 0.8 2.1/ 2.6 5-6 None 27/12 AM 10.9/11.4 0.6/ 1.1 2.1/ 2.6 6 None 27/12 PM 10.8/11.3 0.5/ 1.0 1.7/ 2.2 4-5 None 28/01 AM 9.9/10.4 -0.5/ 0.0 1.2/ 1.7 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 -------- --------- --------- --------- ------- -------- 25/10 AM 3.7/ 4.2 -0.8/-0.2 0.6/ 1.1 3 None 25/08 PM 5.0/ 5.5 0.6/ 1.1 0.8/ 1.3 3 None 26/09 AM 6.0/ 6.5 1.6/ 2.0 1.6/ 2.0 3 None 26/09 PM 4.9/ 5.4 0.5/ 1.0 0.7/ 1.1 3 None 27/09 AM 5.7/ 6.2 1.3/ 1.8 1.1/ 1.6 3 None 27/09 PM 4.7/ 5.2 0.2/ 0.8 0.6/ 1.1 2-3 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 -------- --------- --------- --------- ------- -------- 25/11 AM 3.1/ 3.6 0.4/ 0.9 1.1/ 1.6 5-6 None 26/09 AM 4.6/ 5.1 1.9/ 2.3 2.5/ 3.0 7 Minor 27/01 AM 4.0/ 4.5 1.4/ 1.9 2.1/ 2.6 6 Minor 28/01 AM 2.8/ 3.4 0.2/ 0.7 1.0/ 1.5 4 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 -------- --------- --------- --------- ------- -------- 25/11 AM 2.7/ 3.2 0.8/ 1.3 1.0/ 1.5 4 None 26/12 AM 3.2/ 3.7 1.3/ 1.8 1.5/ 2.0 5 None 26/10 AM 3.7/ 4.2 1.8/ 2.2 2.2/ 2.7 6 None 27/12 AM 3.7/ 4.2 1.7/ 2.2 1.9/ 2.3 5 None 27/12 PM 3.2/ 3.7 1.2/ 1.7 1.3/ 1.8 4 None 28/01 AM 2.6/ 3.1 0.6/ 1.1 0.9/ 1.4 3 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 -------- --------- --------- --------- ------- -------- 25/11 AM 4.0/ 4.5 0.5/ 1.0 1.0/ 1.5 8 None 26/12 AM 4.7/ 5.2 1.1/ 1.6 1.4/ 1.9 9-10 None 26/12 PM 5.2/ 5.7 1.7/ 2.2 1.9/ 2.3 9-10 Minor 27/01 AM 5.1/ 5.6 1.5/ 2.0 1.8/ 2.2 9 Minor 27/01 PM 4.7/ 5.2 1.2/ 1.7 1.2/ 1.7 6-7 Minor 28/01 AM 4.0/ 4.5 0.5/ 1.0 0.9/ 1.4 5 None &&
Coastal Flood Warning
Issued: 4:35 PM Sep. 25, 2026 – National Weather Service
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SUNDAY... ...COASTAL FLOOD WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 PM EDT SUNDAY... * WHAT...For the High Surf Advisory, large breaking waves of 6 to 13 feet in the surf zone. For the Coastal Flood Warning, up to one foot of inundation above ground level expected in low- lying areas near shorelines and tidal waterways (4.0 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...For the High Surf Advisory, until 8 PM EDT Sunday. For the Coastal Flood Warning, from 5 PM this afternoon to 8 PM EDT Sunday. * IMPACTS...Strong northeast winds with large waves will result in minor coastal flooding with pockets of moderate coastal flooding over multiple high tide cycles from late today through the weekend. The water also may struggle to vacate the area after the high tides given persistent strong northeast winds. The greatest risk for coastal flooding appears to be setting up south of Boston and onto the Cape and Islands. In addition...the long duration of northeast winds coupled with large waves over multiple high tide cycles will result in areas of severe beach erosion for a prolonged period. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth. 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 -------- --------- --------- --------- ------- -------- 25/11 AM 9.0/ 9.5 -0.7/-0.2 0.2/ 0.7 8-9 None 25/11 PM 10.2/10.7 0.6/ 1.1 1.0/ 1.5 10-13 None 26/12 PM 10.9/11.4 1.3/ 1.8 1.8/ 2.2 11-12 None 27/12 AM 11.2/11.7 1.6/ 2.0 1.8/ 2.2 12-13 None 27/12 PM 11.2/11.7 1.6/ 2.0 1.5/ 2.0 11-12 None 28/01 AM 10.4/10.9 0.8/ 1.3 1.0/ 1.5 8-9 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 -------- --------- --------- --------- ------- -------- 25/11 AM 8.1/ 8.6 -1.5/-1.0 0.1/ 0.6 4-5 None 25/11 PM 9.3/ 9.8 -0.2/ 0.2 1.0/ 1.5 5-6 None 26/12 PM 10.2/10.7 0.7/ 1.1 1.8/ 2.2 6-7 None 27/12 AM 10.3/10.8 0.8/ 1.3 1.8/ 2.2 7 None 27/12 PM 10.2/10.7 0.7/ 1.1 1.5/ 2.0 6 None 28/01 AM 9.6/10.1 0.1/ 0.6 1.0/ 1.5 6 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 -------- --------- --------- --------- ------- -------- 25/11 AM 10.1/10.6 -0.2/ 0.2 0.4/ 0.9 2 None 25/11 PM 11.3/11.8 1.0/ 1.5 1.1/ 1.6 2 None 26/12 PM 12.1/12.6 1.8/ 2.2 2.0/ 2.5 2 None 27/12 AM 12.4/12.9 2.1/ 2.6 2.1/ 2.6 2 Minor 27/12 PM 12.3/12.8 2.0/ 2.5 1.7/ 2.2 2 Minor 28/12 AM 11.3/11.8 1.0/ 1.5 1.2/ 1.7 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 -------- --------- --------- --------- ------- -------- 25/11 AM 9.6/10.1 -0.3/ 0.2 0.2/ 0.7 2 None 25/11 PM 10.9/11.4 1.0/ 1.5 1.0/ 1.5 2 None 26/12 PM 11.7/12.2 1.8/ 2.2 1.9/ 2.3 2 None 27/12 AM 12.1/12.6 2.2/ 2.7 2.0/ 2.5 2 None 27/12 PM 12.0/12.5 2.1/ 2.6 1.7/ 2.2 2 None 28/01 AM 11.1/11.6 1.2/ 1.7 1.1/ 1.6 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 -------- --------- --------- --------- ------- -------- 25/11 AM 9.5/10.0 -0.5/ 0.0 0.6/ 1.1 4-5 None 25/11 PM 10.4/10.9 0.5/ 1.0 1.1/ 1.6 5-6 None 26/12 PM 11.4/11.9 1.5/ 2.0 2.0/ 2.5 7 Minor 27/12 AM 11.6/12.1 1.7/ 2.2 2.0/ 2.5 7 Minor 27/12 PM 11.5/12.0 1.6/ 2.0 1.7/ 2.2 6 Minor 28/01 AM 10.7/11.2 0.8/ 1.3 1.1/ 1.6 6 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 -------- --------- --------- --------- ------- -------- 25/11 AM 9.3/ 9.8 -0.5/ 0.0 0.5/ 1.0 6 None 25/11 PM 10.3/10.8 0.6/ 1.1 1.1/ 1.6 8 None 26/12 PM 11.1/11.6 1.4/ 1.9 1.9/ 2.3 9-12 None 27/12 AM 11.3/11.8 1.6/ 2.0 1.9/ 2.3 9 Minor 27/12 PM 11.3/11.8 1.6/ 2.0 1.6/ 2.0 8 Minor 28/01 AM 10.5/11.0 0.8/ 1.3 1.1/ 1.6 7 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 -------- --------- --------- --------- ------- -------- 25/08 PM 3.5/ 4.0 1.5/ 2.0 1.3/ 1.8 4-5 None 26/08 AM 4.7/ 5.2 2.7/ 3.2 2.3/ 2.8 5-6 None 26/09 PM 3.7/ 4.2 1.8/ 2.2 1.6/ 2.0 5 None 27/09 AM 4.0/ 4.5 2.1/ 2.6 1.6/ 2.0 4 None 27/09 PM 3.0/ 3.5 1.0/ 1.5 0.9/ 1.4 3-4 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 -------- --------- --------- --------- ------- -------- 25/12 PM 5.7/ 6.2 0.6/ 1.1 0.8/ 1.3 8-9 None 26/12 AM 6.6/ 7.1 1.4/ 1.9 1.3/ 1.8 10-11 None 26/12 PM 7.1/ 7.6 1.9/ 2.3 1.8/ 2.2 11 None 27/01 AM 7.1/ 7.6 1.9/ 2.3 1.7/ 2.2 9 None 27/01 PM 7.1/ 7.6 1.9/ 2.3 1.4/ 1.9 7 None 28/01 AM 6.2/ 6.7 1.0/ 1.5 0.9/ 1.4 5-6 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 -------- --------- --------- --------- ------- -------- 25/11 AM 4.5/ 5.0 0.0/ 0.5 0.7/ 1.1 7-8 None 26/12 AM 5.0/ 5.5 0.5/ 1.0 1.0/ 1.5 8-9 None 26/12 PM 5.6/ 6.1 1.1/ 1.6 1.6/ 2.0 8-9 None 27/01 AM 5.5/ 6.0 1.0/ 1.5 1.5/ 2.0 8 None 27/01 PM 5.5/ 6.0 1.0/ 1.5 1.2/ 1.7 6 None 28/01 AM 4.7/ 5.2 0.2/ 0.8 0.9/ 1.4 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 -------- --------- --------- --------- ------- -------- 25/11 AM 4.0/ 4.5 0.2/ 0.8 0.9/ 1.4 4 None 26/12 AM 4.7/ 5.2 1.0/ 1.5 1.2/ 1.7 5 Minor 26/12 PM 5.2/ 5.7 1.5/ 2.0 1.8/ 2.2 5 Minor 27/01 AM 5.2/ 5.7 1.5/ 2.0 1.8/ 2.2 5 Minor 27/01 PM 5.1/ 5.6 1.3/ 1.8 1.3/ 1.8 4 Minor 28/02 AM 4.2/ 4.7 0.5/ 1.0 0.9/ 1.4 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 -------- --------- --------- --------- ------- -------- 25/11 AM 10.1/10.6 0.0/ 0.5 0.6/ 1.1 7-8 None 25/11 PM 11.0/11.5 0.9/ 1.4 1.0/ 1.5 8-9 None 26/12 PM 11.7/12.2 1.6/ 2.0 1.8/ 2.2 10-11 None 27/12 AM 11.9/12.4 1.8/ 2.2 1.7/ 2.2 10 None 27/12 PM 11.8/12.3 1.7/ 2.2 1.5/ 2.0 8 None 28/01 AM 11.2/11.7 1.1/ 1.6 1.0/ 1.5 6-7 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 -------- --------- --------- --------- ------- -------- 25/11 AM 10.8/11.3 0.2/ 0.8 1.0/ 1.5 5 None 25/11 PM 11.2/11.7 0.7/ 1.1 1.1/ 1.6 6 None 26/12 PM 12.1/12.6 1.6/ 2.0 1.9/ 2.3 6-7 None 27/12 AM 12.3/12.8 1.8/ 2.2 1.9/ 2.3 6 None 27/12 PM 12.2/12.7 1.7/ 2.2 1.5/ 2.0 5 None 28/01 AM 11.5/12.0 1.0/ 1.5 1.0/ 1.5 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 -------- --------- --------- --------- ------- -------- 25/11 AM 9.2/ 9.7 -1.1/-0.7 1.0/ 1.5 4 None 25/11 PM 9.9/10.4 -0.5/ 0.0 1.3/ 1.8 5 None 26/11 AM 10.6/11.1 0.2/ 0.8 2.1/ 2.6 5-6 None 27/12 AM 10.9/11.4 0.6/ 1.1 2.1/ 2.6 6 None 27/12 PM 10.8/11.3 0.5/ 1.0 1.7/ 2.2 4-5 None 28/01 AM 9.9/10.4 -0.5/ 0.0 1.2/ 1.7 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 -------- --------- --------- --------- ------- -------- 25/10 AM 3.7/ 4.2 -0.8/-0.2 0.6/ 1.1 3 None 25/08 PM 5.0/ 5.5 0.6/ 1.1 0.8/ 1.3 3 None 26/09 AM 6.0/ 6.5 1.6/ 2.0 1.6/ 2.0 3 None 26/09 PM 4.9/ 5.4 0.5/ 1.0 0.7/ 1.1 3 None 27/09 AM 5.7/ 6.2 1.3/ 1.8 1.1/ 1.6 3 None 27/09 PM 4.7/ 5.2 0.2/ 0.8 0.6/ 1.1 2-3 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 -------- --------- --------- --------- ------- -------- 25/11 AM 3.1/ 3.6 0.4/ 0.9 1.1/ 1.6 5-6 None 26/09 AM 4.6/ 5.1 1.9/ 2.3 2.5/ 3.0 7 Minor 27/01 AM 4.0/ 4.5 1.4/ 1.9 2.1/ 2.6 6 Minor 28/01 AM 2.8/ 3.4 0.2/ 0.7 1.0/ 1.5 4 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 -------- --------- --------- --------- ------- -------- 25/11 AM 2.7/ 3.2 0.8/ 1.3 1.0/ 1.5 4 None 26/12 AM 3.2/ 3.7 1.3/ 1.8 1.5/ 2.0 5 None 26/10 AM 3.7/ 4.2 1.8/ 2.2 2.2/ 2.7 6 None 27/12 AM 3.7/ 4.2 1.7/ 2.2 1.9/ 2.3 5 None 27/12 PM 3.2/ 3.7 1.2/ 1.7 1.3/ 1.8 4 None 28/01 AM 2.6/ 3.1 0.6/ 1.1 0.9/ 1.4 3 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 -------- --------- --------- --------- ------- -------- 25/11 AM 4.0/ 4.5 0.5/ 1.0 1.0/ 1.5 8 None 26/12 AM 4.7/ 5.2 1.1/ 1.6 1.4/ 1.9 9-10 None 26/12 PM 5.2/ 5.7 1.7/ 2.2 1.9/ 2.3 9-10 Minor 27/01 AM 5.1/ 5.6 1.5/ 2.0 1.8/ 2.2 9 Minor 27/01 PM 4.7/ 5.2 1.2/ 1.7 1.2/ 1.7 6-7 Minor 28/01 AM 4.0/ 4.5 0.5/ 1.0 0.9/ 1.4 5 None &&
High Wind Warning
Issued: 4:30 PM Sep. 25, 2026 – National Weather Service
...HIGH WIND WARNING NOW IN EFFECT UNTIL 8 AM EDT SUNDAY... * WHAT...Northeast winds 20 to 30 mph with gusts of 50 to 60 mph. * WHERE...The eastern Massachusetts coast as well as the south coasts of both Rhode Island and Massachusetts. This includes Cape Cod and the Islands. * WHEN...Until 8 AM EDT Sunday. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are expected. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The long duration of the winds coupled with heavy rain and fully leafed trees may exacerbate the risk for tree damage and power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. &&
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