Weather Alerts For Seabrook, NH

Coastal Hazard Message National Weather Service Gray ME 259 AM EST Sat Dec 6 2025 Coastal York-Coastal Cumberland-Coastal Rockingham- 259 AM EST Sat Dec 6 2025 ...COASTAL FLOOD STATEMENT IN EFFECT FROM 10 AM THIS MORNING TO 1 PM EST THIS AFTERNOON... * WHAT...High astronomical tides will bring water levels to near minor flood stage. * WHERE...In Maine, Coastal York and Coastal Cumberland Counties. In New Hampshire, Coastal Rockingham County. * WHEN...From 10 AM this morning to 1 PM EST this afternoon. * 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 -------- --------- --------- --------- ------- -------- 06/12 PM 10.6 1.7 0.3 1 None 07/01 AM 8.6 -0.3 0.1 2 None 07/01 PM 10.1 1.2 0.0 1 None 08/01 AM 8.4 -0.5 0.1 2 None 08/02 PM 9.0 0.1 -0.7 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 -------- --------- --------- --------- ------- -------- 06/01 AM 8.7 -0.9 0.4 1 None 06/12 PM 11.1 1.5 0.5 1 Minor 07/12 AM 9.2 -0.4 0.3 1 None 07/01 PM 10.6 1.0 0.2 1 None 08/01 AM 9.0 -0.6 0.3 1 None 08/01 PM 9.5 -0.1 -0.5 1 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 -------- --------- --------- --------- ------- -------- 06/11 AM 11.8 1.9 0.3 1 None 07/12 AM 10.0 0.1 0.2 1 None 07/12 PM 11.4 1.5 0.1 1 None 08/01 AM 9.8 -0.1 0.2 1 None 08/01 PM 9.9 -0.0 -1.0 1 None Scarborough River Test Point MLLW Categories - Minor 14.0 ft, Moderate 15.0 ft, Major 16.0 ft MHHW Categories - Minor 4.5 ft, Moderate 5.5 ft, Major 6.5 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 06/12 PM 11.6 2.1 0.4 0 None 07/12 AM 9.4 -0.1 0.2 0 None 07/01 PM 11.1 1.6 0.1 0 None 08/01 AM 9.3 -0.2 0.2 0 None 08/01 PM 9.7 0.2 -0.9 0 None &&