Active Weather Alerts
Coastal Flood Statement
Issued: 2:11 AM Aug. 23, 2025 – National Weather Service
...COASTAL FLOOD STATEMENT REMAINS IN EFFECT UNTIL 2 AM EDT SATURDAY... * WHAT... Up to one half foot of inundation above ground level in low-lying areas near shorelines and tidal waterways (11.8 to 12.1 feet Mean Lower Low Water). * WHERE...Suffolk MA and Eastern Norfolk MA Counties. * WHEN...Until 2 AM EDT Saturday. * IMPACTS...Some water on low lying roads and property. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not drive through flooded roadways. && && Time of high total tides are approximate to the nearest hour. 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 -------- --------- --------- --------- ------- -------- 22/11 PM 11.9/12.4 1.6/ 2.0 1.4/ 1.9 1 None 23/12 PM 10.6/11.1 0.2/ 0.8 0.9/ 1.4 1-2 None 24/12 AM 11.1/11.6 0.8/ 1.3 0.6/ 1.1 2 None 24/01 PM 10.5/11.0 0.2/ 0.7 0.7/ 1.1 2 None 25/01 AM 11.0/11.5 0.7/ 1.1 0.7/ 1.1 1-2 None 25/01 PM 10.3/10.8 0.0/ 0.5 0.6/ 1.1 1-2 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 -------- --------- --------- --------- ------- -------- 22/11 PM 11.6/12.1 1.7/ 2.2 1.4/ 1.9 1 None 23/12 PM 10.3/10.8 0.4/ 0.9 0.8/ 1.3 1-2 None 24/12 AM 10.6/11.1 0.7/ 1.1 0.4/ 0.9 2 None 24/01 PM 10.3/10.8 0.4/ 0.9 0.7/ 1.1 2 None 25/01 AM 10.7/11.2 0.8/ 1.3 0.7/ 1.1 1 None 25/01 PM 9.9/10.4 0.0/ 0.5 0.5/ 1.0 1-2 None &&
Local Radar