Coastal Flood Advisory
Status
Event Continued Active alertStart Time
Sun 02/01/2026 08:00 AM ESTEnd Time
Mon 02/02/2026 02:00 PM ESTSignificance
AdvisoryImpacts
Low impact
Locations Affected
Boston, MA ∙ Cambridge, MA ∙ Lynn, MA ∙ Quincy, MA ∙ Revere, MA ∙ Weymouth, MA ∙ Peabody, MA ∙ Bourne, MA ∙ Hyannis Barnstable Municipal Airport, MA ∙ Eastham, MAFull Alert Message
Coastal Hazard Message National Weather Service Boston/Norton MA 152 AM EST Sun Feb 1 2026 ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 2 PM EST MONDAY... * WHAT...One to two feet of inundation above ground level expected in low-lying areas near shorelines and tidal waterways (10.8 to 12.7 feet Mean Lower Low Water). * WHERE...Eastern Essex MA, Suffolk MA, Eastern Norfolk MA, Eastern Plymouth MA, Barnstable MA and Dukes MA Counties. * WHEN...From 8 AM this morning to 2 PM EST Monday. * IMPACTS...Shallow pockets of flooding less than one foot deep affects the lowest lying areas along the coast, including Morrissey Boulevard in Boston. Most roads remain passable. Flooding up to one foot deep affects coastal roads on the North Shore from Salem to Gloucester and Newburyport. Rough surf will cause flooding on some coastal roads around the time of high tide due to splashover. Roads remain passable with pockets of shallow flooding less than one foot deep. This mainly affects low lying areas and roads near Edgartown Harbor, including the Chappy Ferry Dock. Shallow flooding may also approach Five Corners in Vineyard Haven. * ADDITIONAL DETAILS...Sub-freezing temperatures and cold road surfaces may allow for some of the storm surge to freeze. This would result in prolonged issues on those vulnerable roadways and also delay drainage. 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 -------- --------- --------- --------- ------- -------- 01/10 AM 11.6/12.1 2.0/ 2.5 1.3/ 1.8 5-7 Minor 01/11 PM 11.2/11.7 1.6/ 2.0 2.2/ 2.7 10 None 02/11 AM 12.0/12.5 2.3/ 2.8 1.6/ 2.0 7-8 Minor 03/12 AM 9.9/10.4 0.2/ 0.8 0.8/ 1.3 4-5 None 03/12 PM 10.8/11.3 1.2/ 1.7 0.5/ 1.0 3 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 -------- --------- --------- --------- ------- -------- 01/11 AM 10.4/10.9 0.9/ 1.4 1.1/ 1.6 3-5 None 01/11 PM 10.3/10.8 0.8/ 1.3 2.2/ 2.7 6 None 02/11 AM 10.6/11.1 1.1/ 1.6 1.4/ 1.9 5 None 03/12 AM 9.0/ 9.5 -0.6/-0.1 0.8/ 1.3 3 None 03/12 PM 9.7/10.2 0.2/ 0.7 0.5/ 1.0 2 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 -------- --------- --------- --------- ------- -------- 01/10 AM 12.3/12.8 2.0/ 2.5 1.4/ 1.9 2 Minor 01/11 PM 11.8/12.3 1.5/ 2.0 2.2/ 2.7 2 None 02/11 AM 12.5/13.0 2.2/ 2.7 1.5/ 2.0 2 Minor 03/12 AM 10.5/11.0 0.2/ 0.7 0.7/ 1.1 1 None 03/12 PM 11.3/11.8 1.0/ 1.5 0.4/ 0.9 1 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 -------- --------- --------- --------- ------- -------- 01/10 AM 12.2/12.7 2.2/ 2.7 1.4/ 1.9 2 None 01/11 PM 11.8/12.3 1.9/ 2.3 2.2/ 2.7 2 None 02/11 AM 12.4/12.9 2.5/ 3.0 1.5/ 2.0 2 Minor 03/12 AM 10.5/11.0 0.6/ 1.1 0.7/ 1.1 1 None 03/12 PM 11.3/11.8 1.4/ 1.9 0.4/ 0.9 1 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 -------- --------- --------- --------- ------- -------- 01/10 AM 12.2/12.7 2.2/ 2.7 1.6/ 2.0 3-7 Minor 01/11 PM 11.8/12.3 1.9/ 2.3 2.6/ 3.1 8 Minor 02/11 AM 12.3/12.8 2.3/ 2.8 1.6/ 2.0 6 Minor 03/12 AM 10.5/11.0 0.6/ 1.1 1.0/ 1.5 3-4 None 03/12 PM 11.2/11.7 1.3/ 1.8 0.6/ 1.1 2 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 -------- --------- --------- --------- ------- -------- 01/11 AM 12.0/12.5 2.2/ 2.7 1.4/ 1.9 4-7 Minor 01/11 PM 11.8/12.3 2.1/ 2.6 2.5/ 3.0 9 Minor 02/11 AM 12.2/12.7 2.5/ 3.0 1.5/ 2.0 7-8 Minor 03/12 AM 10.3/10.8 0.6/ 1.1 0.8/ 1.3 4 None 03/12 PM 11.1/11.6 1.4/ 1.9 0.5/ 1.0 3 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 -------- --------- --------- --------- ------- -------- 01/07 AM 3.5/ 4.0 1.5/ 2.0 1.1/ 1.6 3 None 01/08 PM 3.7/ 4.2 1.7/ 2.2 2.0/ 2.5 4 None 02/08 AM 4.4/ 4.9 2.3/ 2.8 2.0/ 2.5 3 None 02/08 PM 3.0/ 3.5 1.0/ 1.5 1.2/ 1.7 2 None 03/09 AM 2.7/ 3.2 0.8/ 1.3 0.6/ 1.1 1-2 None 03/09 PM 2.2/ 2.7 0.2/ 0.8 0.4/ 0.9 1 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 -------- --------- --------- --------- ------- -------- 01/11 AM 7.3/ 7.8 2.1/ 2.6 1.2/ 1.7 5-8 None 02/12 AM 7.2/ 7.7 2.0/ 2.5 2.2/ 2.7 10-11 None 02/12 PM 7.7/ 8.2 2.5/ 3.0 1.6/ 2.0 8-9 None 03/01 AM 5.9/ 6.4 0.7/ 1.1 0.8/ 1.3 4-5 None 03/01 PM 6.4/ 6.9 1.2/ 1.7 0.4/ 0.9 3 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 -------- --------- --------- --------- ------- -------- 01/12 PM 5.9/ 6.4 1.4/ 1.9 1.1/ 1.6 5-7 None 02/12 AM 5.7/ 6.2 1.3/ 1.8 2.1/ 2.6 9 None 02/12 PM 6.2/ 6.7 1.7/ 2.2 1.5/ 2.0 6-7 None 03/01 AM 4.6/ 5.1 0.1/ 0.6 0.8/ 1.3 3-4 None 03/01 PM 5.0/ 5.5 0.5/ 1.0 0.5/ 1.0 2-3 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 -------- --------- --------- --------- ------- -------- 01/01 AM 2.8/ 3.4 -1.0/-0.5 0.6/ 1.1 3 None 01/11 AM 5.7/ 6.2 1.9/ 2.3 1.5/ 2.0 3-5 Minor 02/12 AM 5.7/ 6.2 1.9/ 2.3 2.6/ 3.1 5-6 Minor 02/12 PM 5.7/ 6.2 2.0/ 2.5 1.6/ 2.0 3-4 Minor 03/01 AM 4.4/ 4.9 0.6/ 1.1 1.2/ 1.7 2 None 03/01 PM 4.9/ 5.4 1.1/ 1.6 0.9/ 1.4 1 Minor 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 -------- --------- --------- --------- ------- -------- 01/10 AM 12.2/12.7 2.1/ 2.6 1.5/ 2.0 5-8 None 01/11 PM 12.0/12.5 1.9/ 2.3 2.6/ 3.1 11-12 None 02/11 AM 12.5/13.0 2.3/ 2.8 1.7/ 2.2 8-9 None 03/12 AM 10.7/11.2 0.6/ 1.1 1.0/ 1.5 4-5 None 03/12 PM 11.4/11.9 1.3/ 1.8 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 -------- --------- --------- --------- ------- -------- 01/10 AM 13.1/13.6 2.6/ 3.1 1.8/ 2.2 3-5 Minor 01/11 PM 12.9/13.4 2.3/ 2.8 2.8/ 3.4 7 Minor 02/11 AM 13.2/13.7 2.7/ 3.2 1.8/ 2.2 5-6 Minor 03/12 AM 11.4/11.9 0.9/ 1.4 1.1/ 1.6 2-3 None 03/12 PM 12.1/12.6 1.6/ 2.0 0.8/ 1.3 2 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 -------- --------- --------- --------- ------- -------- 01/01 AM 5.6/ 6.1 -4.7/-4.2 0.8/ 1.3 3 None 01/11 AM 11.7/12.2 1.4/ 1.9 2.1/ 2.6 3-5 None 01/11 PM 11.4/11.9 1.1/ 1.6 2.8/ 3.4 7 None 02/11 AM 11.9/12.4 1.6/ 2.0 2.0/ 2.5 4-5 Minor 03/12 AM 10.3/10.8 0.0/ 0.5 1.6/ 2.0 2 None 03/12 PM 11.0/11.5 0.7/ 1.1 1.2/ 1.7 2 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 -------- --------- --------- --------- ------- -------- 01/08 AM 5.0/ 5.5 0.6/ 1.1 0.6/ 1.1 3 None 01/08 PM 5.5/ 6.0 1.1/ 1.6 1.5/ 2.0 3-4 None 02/09 AM 6.1/ 6.6 1.7/ 2.2 1.8/ 2.2 2-3 None 02/09 PM 4.6/ 5.1 0.2/ 0.7 0.5/ 1.0 1-2 None 03/10 AM 4.5/ 5.0 0.1/ 0.6 0.5/ 1.0 1 None 03/10 PM 4.2/ 4.7 -0.2/ 0.2 0.2/ 0.7 1 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 -------- --------- --------- --------- ------- -------- 01/11 AM 4.4/ 4.9 1.7/ 2.2 1.4/ 1.9 3-5 Minor 01/11 PM 4.5/ 5.0 1.8/ 2.2 2.5/ 3.0 5 Minor 02/12 PM 4.5/ 5.0 1.8/ 2.2 1.6/ 2.0 3-4 Minor 03/12 AM 3.1/ 3.6 0.4/ 0.9 0.9/ 1.4 2-3 None 03/01 PM 3.2/ 3.7 0.6/ 1.1 0.6/ 1.1 2 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 -------- --------- --------- --------- ------- -------- 01/11 AM 3.5/ 4.0 1.5/ 2.0 1.5/ 2.0 3-4 None 01/11 PM 4.0/ 4.5 2.0/ 2.5 2.3/ 2.8 4 None 02/11 AM 3.7/ 4.2 1.7/ 2.2 1.8/ 2.2 3 None 03/12 AM 2.6/ 3.1 0.6/ 1.1 0.9/ 1.4 2 None 03/12 PM 2.5/ 3.0 0.5/ 1.0 0.6/ 1.1 1 None
Technical Header
MAZ007-015-016-019-022-023-012300- /O.CON.KBOX.CF.Y.0001.260201T1300Z-260202T1900Z/ Eastern Essex MA-Suffolk MA-Eastern Norfolk MA- Eastern Plymouth MA-Barnstable MA-Dukes MA- 152 AM EST Sun Feb 1 2026