Coastal Flood Advisory

Locations Affected

Providence, RI ∙ Fall River, MA ∙ Cranston, RI ∙ Warwick, RI ∙ New Bedford, MA ∙ Pawtucket, RI ∙ Westerly, RI ∙ North Providence, RI ∙ Somerset, MA ∙ North Dartmouth, MA

Full Alert Message

Coastal Hazard Message National Weather Service Boston/Norton MA 1235 PM EDT Fri Sep 25 2026 ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 PM EDT SUNDAY... * WHAT...Up to one foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways (5.6 to 7.2 feet Mean Lower Low Water). * WHERE...Washington, Southern Bristol MA, Southern Plymouth MA, Southeast Providence RI, Eastern Kent RI, Bristol RI, and Newport RI Counties. * WHEN...From 5 PM this afternoon to 8 PM EDT Sunday. * IMPACTS...Splashover and Minor coastal flooding is expected in the lowest lying areas along the south coast of Rhode Island and Massachusetts over multiple high tide cycles late today through this weekend. A few immediate coastal roads may briefly flood due to wave action. In addition...minor beach erosion is also possible. 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. Narragansett Bay at Fox Point MLLW Categories - Minor 7.0 ft, Moderate 9.0 ft, Major 10.5 ft MHHW Categories - Minor 2.2 ft, Moderate 4.2 ft, Major 5.7 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 25/08 PM 6.0/ 6.5 1.2/ 1.7 1.1/ 1.6 3 None 26/08 AM 7.0/ 7.5 2.2/ 2.7 1.9/ 2.3 3 Minor 26/09 PM 6.1/ 6.6 1.3/ 1.8 1.2/ 1.7 3 None 27/09 AM 6.9/ 7.4 2.1/ 2.6 1.5/ 2.0 3 Minor 27/09 PM 5.7/ 6.2 0.9/ 1.4 0.8/ 1.3 1-3 None Narragansett Bay at Conimicut Point MLLW Categories - Minor 7.0 ft, Moderate 8.5 ft, Major 10.0 ft MHHW Categories - Minor 2.4 ft, Moderate 3.9 ft, Major 5.4 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 25/08 PM 5.7/ 6.2 1.2/ 1.7 1.2/ 1.7 3 None 26/08 AM 6.8/ 7.3 2.2/ 2.7 1.9/ 2.3 3 Minor 26/08 PM 5.7/ 6.2 1.2/ 1.7 1.2/ 1.7 3 None 27/09 AM 6.5/ 7.0 1.9/ 2.3 1.4/ 1.9 3 None 27/09 PM 5.5/ 6.0 0.9/ 1.4 0.8/ 1.3 1-3 None Mount Hope Bay near Bristol Point RI MLLW Categories - Minor 7.0 ft, Moderate 9.5 ft, Major 12.0 ft MHHW Categories - Minor 2.5 ft, Moderate 5.0 ft, Major 7.5 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 25/08 PM 6.0/ 6.5 1.5/ 2.0 1.3/ 1.8 3 None 26/08 AM 6.7/ 7.2 2.2/ 2.7 2.0/ 2.5 3 None 26/08 PM 5.9/ 6.4 1.4/ 1.9 1.3/ 1.8 3 None 27/09 AM 6.2/ 6.8 1.8/ 2.2 1.4/ 1.9 3 None 27/09 PM 5.4/ 5.9 0.9/ 1.4 0.8/ 1.3 2-3 None Narragansett Bay at Quonset Point MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.5 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 -------- --------- --------- --------- ------- -------- 25/08 PM 5.5/ 6.0 1.4/ 1.9 1.4/ 1.9 3 None 26/08 AM 6.5/ 7.0 2.3/ 2.8 2.1/ 2.6 3 Minor 26/08 PM 5.6/ 6.1 1.5/ 2.0 1.4/ 1.9 3 None 27/09 AM 6.1/ 6.6 2.0/ 2.5 1.5/ 2.0 3 Minor 27/09 PM 5.1/ 5.6 1.0/ 1.5 0.9/ 1.4 2-3 None Westerly RI at Watch Hill MLLW Categories - Minor 5.0 ft, Moderate 8.0 ft, Major 9.5 ft MHHW 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 -------- --------- --------- --------- ------- -------- 25/09 PM 4.7/ 5.2 1.7/ 2.2 1.8/ 2.2 6 None 26/08 AM 5.4/ 5.9 2.3/ 2.8 2.6/ 3.1 6-7 Minor 26/09 PM 4.5/ 5.0 1.5/ 2.0 1.7/ 2.2 6 None 27/09 AM 4.7/ 5.2 1.7/ 2.2 1.7/ 2.2 6 None 27/10 PM 3.7/ 4.2 0.8/ 1.3 1.0/ 1.5 4-5 None Newport Harbor MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.0 ft MHHW 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 -------- --------- --------- --------- ------- -------- 25/08 PM 5.2/ 5.7 1.3/ 1.8 1.4/ 1.9 3 None 26/08 AM 6.2/ 6.8 2.3/ 2.8 2.2/ 2.7 3 Minor 26/08 PM 5.2/ 5.7 1.4/ 1.9 1.4/ 1.9 3 None 27/08 AM 5.7/ 6.2 1.8/ 2.2 1.5/ 2.0 3 None 27/09 PM 4.9/ 5.4 1.0/ 1.5 0.9/ 1.4 3 None Newport South Coast Beaches MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.0 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 -------- --------- --------- --------- ------- -------- 25/08 PM 5.0/ 5.5 1.5/ 2.0 1.5/ 2.0 4-5 None 26/08 AM 6.0/ 6.5 2.5/ 3.0 2.2/ 2.7 6 Minor 26/08 PM 5.0/ 5.5 1.5/ 2.0 1.4/ 1.9 5 None 27/09 AM 5.2/ 5.7 1.8/ 2.2 1.3/ 1.8 5 None 27/09 PM 4.5/ 5.0 1.0/ 1.5 0.8/ 1.3 3-4 None Block Island at Old Harbor MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.0 ft MHHW 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 -------- --------- --------- --------- ------- -------- 25/08 PM 4.7/ 5.2 1.6/ 2.0 1.6/ 2.0 9-10 None 26/08 AM 5.7/ 6.2 2.6/ 3.1 2.2/ 2.7 9-11 Minor 26/08 PM 4.9/ 5.4 1.7/ 2.2 1.6/ 2.0 7-10 None 27/08 AM 5.2/ 5.7 2.0/ 2.5 1.5/ 2.0 8-10 None 27/09 PM 4.0/ 4.5 0.9/ 1.4 0.8/ 1.3 6 None Mount Hope Bay near Fall River MA MLLW Categories - Minor 7.0 ft, Moderate 9.5 ft, Major 12.0 ft MHHW Categories - Minor 2.3 ft, Moderate 4.8 ft, Major 7.3 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 25/08 PM 5.9/ 6.4 1.2/ 1.7 1.1/ 1.6 3 None 26/08 AM 6.7/ 7.2 2.0/ 2.5 1.7/ 2.2 3 None 26/08 PM 6.0/ 6.5 1.3/ 1.8 1.2/ 1.7 3 None 27/09 AM 6.7/ 7.2 2.0/ 2.5 1.4/ 1.9 3 None 27/09 PM 5.7/ 6.2 1.0/ 1.5 0.8/ 1.3 1-3 None New Bedford Hurricane Barrier MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.5 ft MHHW Categories - Minor 2.1 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 -------- --------- --------- --------- ------- -------- 25/08 PM 5.1/ 5.6 1.2/ 1.7 1.1/ 1.6 6 None 26/08 AM 6.1/ 6.6 2.2/ 2.7 1.8/ 2.2 6 Minor 26/08 PM 4.9/ 5.4 1.0/ 1.5 1.0/ 1.5 6 None 27/09 AM 5.7/ 6.2 1.8/ 2.2 1.2/ 1.7 6 None 27/09 PM 4.7/ 5.2 0.8/ 1.3 0.7/ 1.1 2-4 None Westport MLLW Categories - Minor 6.0 ft, Moderate 8.0 ft, Major 10.0 ft MHHW Categories - Minor 2.5 ft, Moderate 4.5 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 4.7/ 5.2 1.3/ 1.8 1.3/ 1.8 6 None 26/08 AM 5.6/ 6.1 2.1/ 2.6 1.9/ 2.3 6 None 26/08 PM 4.7/ 5.2 1.3/ 1.8 1.2/ 1.7 6 None 27/09 AM 5.2/ 5.7 1.7/ 2.2 1.2/ 1.7 6 None 27/09 PM 4.4/ 4.9 0.9/ 1.4 0.8/ 1.3 3-4 None Buzzards Bay at Mattapoisett MLLW Categories - Minor 8.5 ft, Moderate 10.0 ft, Major 12.0 ft MHHW Categories - Minor 4.4 ft, Moderate 5.9 ft, Major 7.9 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 25/08 PM 5.0/ 5.5 0.9/ 1.4 1.0/ 1.5 6 None 26/08 AM 6.1/ 6.6 2.0/ 2.5 1.8/ 2.2 6 None 26/08 PM 5.0/ 5.5 0.9/ 1.4 1.0/ 1.5 6 None 27/09 AM 5.7/ 6.2 1.6/ 2.0 1.2/ 1.7 6 None 27/09 PM 4.7/ 5.2 0.7/ 1.1 0.7/ 1.1 2-4 None

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