Active Weather Alerts
Coastal Flood Statement
Issued: 7:08 PM May. 27, 2025 – National Weather Service
...COASTAL FLOOD STATEMENT IN EFFECT FROM 11 PM THIS EVENING TO 2 AM EDT WEDNESDAY... * WHAT...High astronomical tides bring water levels close to flood stage tonight. * WHERE...In Maine, Coastal York and Coastal Cumberland Counties. In New Hampshire, Coastal Rockingham County. * WHEN...From 11 PM this evening to 2 AM EDT Wednesday. * 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. Seavey Island / Portsmouth NH MLLW Categories - Minor 11.5 ft, Moderate 12.5 ft, Major 13.5 ft MHHW Categories - Minor 2.6 ft, Moderate 3.6 ft, Major 4.6 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 28/12 AM 10.3 1.4 0.0 1-2 None 28/01 PM 8.7 -0.2 0.0 1 None 29/01 AM 10.1 1.2 -0.1 2 None 29/02 PM 8.7 -0.2 0.1 1-2 None 30/02 AM 10.2 1.3 0.3 2 None Hampton Harbor NH MLLW Categories - Minor 11.0 ft, Moderate 12.0 ft, Major 13.0 ft MHHW Categories - Minor 1.4 ft, Moderate 2.4 ft, Major 3.4 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 28/12 AM 10.6 1.0 0.0 1 None 28/01 PM 9.0 -0.6 0.0 1 None 29/01 AM 10.4 0.8 -0.1 1 None 29/02 PM 8.9 -0.7 0.1 1 None 30/02 AM 10.4 0.8 0.3 2 None Portland ME MLLW Categories - Minor 12.0 ft, Moderate 13.0 ft, Major 14.0 ft MHHW Categories - Minor 2.1 ft, Moderate 3.1 ft, Major 4.1 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 28/12 AM 11.8 1.9 0.1 1 None 28/01 PM 9.9 -0.0 0.1 1-2 None 29/01 AM 11.5 1.6 0.0 2 None 29/02 PM 9.8 -0.1 0.2 2 None 30/02 AM 11.4 1.5 0.3 2 None &&
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