Active Weather Alerts
High Surf Advisory
Issued: 6:29 PM Sep. 27, 2026 – National Weather Service
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 3 AM EDT MONDAY... ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...For the Coastal Flood Advisory, minor coastal flooding with up to 1 foot of inundation and large breaking waves leading to splash over and beach erosion. This is a long duration event... with these impacts felt over multiple tide cycles continuing through this evening, possibly through the Monday daytime high tide. For the High Surf Advisory, large breaking waves of 7 to 12 feet and a high risk of rip currents. * WHERE...In Maine, Coastal York County. In New Hampshire, Coastal Rockingham County. * WHEN...For the Coastal Flood Advisory, until 3 AM EDT Monday. For the High Surf Advisory, until 8 PM EDT this evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous swimming and surfing conditions and localized beach erosion. 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. Inexperienced swimmers should remain out of the water due to dangerous surf conditions. && 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 -------- --------- --------- --------- ------- -------- 28/01 AM 9.9 1.0 1.1 9 None 28/01 PM 10.4 1.5 1.0 8 None 29/01 AM 9.4 0.5 0.8 6 None 29/02 PM 9.7 0.8 0.2 4 None 30/02 AM 8.7 -0.2 0.2 3-4 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 -------- --------- --------- --------- ------- -------- 28/01 AM 10.3 0.7 1.2 2 None 28/01 PM 10.6 1.0 1.0 2 None 29/01 AM 9.8 0.2 0.8 2 None 29/02 PM 10.1 0.5 0.4 2 None 30/02 AM 9.1 -0.5 0.3 2 None &&
Coastal Flood Advisory
Issued: 6:29 PM Sep. 27, 2026 – National Weather Service
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 3 AM EDT MONDAY... ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...For the Coastal Flood Advisory, minor coastal flooding with up to 1 foot of inundation and large breaking waves leading to splash over and beach erosion. This is a long duration event... with these impacts felt over multiple tide cycles continuing through this evening, possibly through the Monday daytime high tide. For the High Surf Advisory, large breaking waves of 7 to 12 feet and a high risk of rip currents. * WHERE...In Maine, Coastal York County. In New Hampshire, Coastal Rockingham County. * WHEN...For the Coastal Flood Advisory, until 3 AM EDT Monday. For the High Surf Advisory, until 8 PM EDT this evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous swimming and surfing conditions and localized beach erosion. 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. Inexperienced swimmers should remain out of the water due to dangerous surf conditions. && 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 -------- --------- --------- --------- ------- -------- 28/01 AM 9.9 1.0 1.1 9 None 28/01 PM 10.4 1.5 1.0 8 None 29/01 AM 9.4 0.5 0.8 6 None 29/02 PM 9.7 0.8 0.2 4 None 30/02 AM 8.7 -0.2 0.2 3-4 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 -------- --------- --------- --------- ------- -------- 28/01 AM 10.3 0.7 1.2 2 None 28/01 PM 10.6 1.0 1.0 2 None 29/01 AM 9.8 0.2 0.8 2 None 29/02 PM 10.1 0.5 0.4 2 None 30/02 AM 9.1 -0.5 0.3 2 None &&
Gale Warning
Issued: 6:27 PM Sep. 27, 2026 – National Weather Service
...GALE WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Northeast winds 25 to 30 kt with gusts up to 40 kt and seas 11 to 16 ft. * WHERE...Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. &&
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