Active Weather Alerts
High Surf Advisory
Issued: 6:29 PM Sep. 25, 2026 – National Weather Service
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SUNDAY... ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 10 AM SATURDAY TO 11 PM EDT SUNDAY... * WHAT...For the High Surf Advisory, large breaking waves of 7 to 12 feet and a high risk of rip currents. 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 beginning Saturday morning and continuing through Sunday evening. * WHERE...In Maine, Coastal York County. In New Hampshire, Coastal Rockingham County. * WHEN...For the High Surf Advisory, until 8 PM EDT Sunday. For the Coastal Flood Advisory, from 10 AM Saturday to 11 PM EDT Sunday. * 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 -------- --------- --------- --------- ------- -------- 25/11 PM 10.3 1.4 1.6 8 None 26/12 PM 10.9 2.0 2.2 9 None 27/12 AM 10.8 1.9 1.9 10 None 27/12 PM 10.8 1.9 1.7 10 None 28/01 AM 10.2 1.3 1.4 9 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 -------- --------- --------- --------- ------- -------- 25/11 PM 10.6 1.0 1.6 2 None 26/12 PM 11.2 1.6 2.2 3 Minor 27/12 AM 11.2 1.6 2.1 3 Minor 27/12 PM 11.1 1.5 1.7 3 Minor 28/01 AM 10.5 0.9 1.4 2-3 None &&
Coastal Flood Advisory
Issued: 6:29 PM Sep. 25, 2026 – National Weather Service
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SUNDAY... ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 10 AM SATURDAY TO 11 PM EDT SUNDAY... * WHAT...For the High Surf Advisory, large breaking waves of 7 to 12 feet and a high risk of rip currents. 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 beginning Saturday morning and continuing through Sunday evening. * WHERE...In Maine, Coastal York County. In New Hampshire, Coastal Rockingham County. * WHEN...For the High Surf Advisory, until 8 PM EDT Sunday. For the Coastal Flood Advisory, from 10 AM Saturday to 11 PM EDT Sunday. * 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 -------- --------- --------- --------- ------- -------- 25/11 PM 10.3 1.4 1.6 8 None 26/12 PM 10.9 2.0 2.2 9 None 27/12 AM 10.8 1.9 1.9 10 None 27/12 PM 10.8 1.9 1.7 10 None 28/01 AM 10.2 1.3 1.4 9 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 -------- --------- --------- --------- ------- -------- 25/11 PM 10.6 1.0 1.6 2 None 26/12 PM 11.2 1.6 2.2 3 Minor 27/12 AM 11.2 1.6 2.1 3 Minor 27/12 PM 11.1 1.5 1.7 3 Minor 28/01 AM 10.5 0.9 1.4 2-3 None &&
Gale Warning
Issued: 6:26 PM Sep. 25, 2026 – National Weather Service
...GALE WARNING NOW IN EFFECT FROM 2 AM SATURDAY TO 8 PM EDT SUNDAY... * WHAT...Northeast winds 20 to 30 kt with gusts up to 45 kt and seas 9 to 14 ft expected. * WHERE...Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM. * WHEN...From 2 AM Saturday to 8 PM EDT Sunday. * 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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