Active Weather Alerts
Small Craft Advisory
Issued: 7:02 PM Aug. 22, 2025 – National Weather Service
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT SUNDAY... * WHAT...South winds 10 to 20 kt with gusts up to 30 kt and seas 7 to 10 ft. * WHERE...Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM, Penobscot Bay, Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM, Casco Bay and Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM. * WHEN...Until 8 PM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
Coastal Flood Advisory
Issued: 5:47 PM Aug. 22, 2025 – National Weather Service
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY... ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 1 AM EDT SATURDAY... * WHAT...For the High Surf Advisory, large breaking waves of large breaking waves of 6 to 10 feet and a high risk of dangerous rip currents.. For the Coastal Flood Advisory, minor coastal flooding and splash over. * WHERE...In Maine, Coastal York, Coastal Cumberland, Sagadahoc, Lincoln, Knox and Coastal Waldo Counties. In New Hampshire, Coastal Rockingham County. * WHEN...For the High Surf Advisory, until 8 PM EDT Saturday. For the Coastal Flood Advisory, from 10 PM this evening to 1 AM EDT Saturday. * 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 -------- --------- --------- --------- ------- -------- 22/12 PM 9.4 0.5 1.2 5 None 23/12 AM 10.8 1.9 1.4 6 None 23/12 PM 9.3 0.4 0.9 6 None 24/12 AM 9.4 0.5 0.2 6 None 24/01 PM 8.8 -0.1 0.2 5 None 25/01 AM 9.2 0.3 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 -------- --------- --------- --------- ------- -------- 22/11 AM 9.2 -0.4 0.9 1 None 23/12 AM 10.9 1.3 1.4 5-6 None 23/12 PM 9.4 -0.2 0.9 5-6 None 24/12 AM 9.6 0.0 0.2 5-6 None 24/01 PM 8.9 -0.7 0.2 4 None 25/01 AM 9.4 -0.2 0.2 3-4 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 -------- --------- --------- --------- ------- -------- 22/11 AM 10.3 0.4 1.2 1 None 22/11 PM 12.0 2.1 1.7 5-7 Minor 23/12 PM 10.5 0.6 1.1 5-6 None 24/12 AM 10.7 0.8 0.4 5-6 None 24/01 PM 9.8 -0.1 0.3 4-5 None 25/01 AM 10.3 0.4 0.2 3 None Arrowsic Test Point MLLW Categories - Minor 11.5 ft, Moderate 12.5 ft, Major 13.5 ft MHHW Categories - Minor 3.7 ft, Moderate 4.7 ft, Major 5.7 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 22/12 PM 9.5 1.7 1.4 0 None 23/12 AM 11.0 3.2 1.8 0 None 23/12 PM 9.5 1.7 1.2 0 None 24/01 AM 9.6 1.8 0.5 0 None 24/01 PM 8.7 0.9 0.3 0 None 25/01 AM 9.2 1.4 0.3 0 None Bath ME MLLW Categories - Minor 9.5 ft, Moderate 11.0 ft, Major 12.0 ft MHHW Categories - Minor 2.1 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 -------- --------- --------- --------- ------- -------- 22/12 PM 8.3 0.9 1.4 0 None 23/12 AM 9.8 2.4 1.8 0 Minor 23/01 PM 8.4 1.0 1.3 0 None 24/01 AM 8.6 1.2 0.7 0 None 24/01 PM 7.5 0.1 0.4 0-1 None 25/02 AM 8.1 0.7 0.4 0 None Boothbay Harbor ME MLLW Categories - Minor 13.0 ft, Moderate 14.0 ft, Major 15.0 ft MHHW Categories - Minor 3.3 ft, Moderate 4.3 ft, Major 5.3 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 22/11 AM 10.1 0.4 1.3 4 None 22/11 PM 11.8 2.1 1.8 3-4 None 23/12 PM 10.2 0.5 1.2 2 None 24/12 AM 10.5 0.8 0.5 2-3 None 24/01 PM 9.5 -0.2 0.3 3 None 25/01 AM 10.0 0.3 0.3 2-3 None Saint George MLLW Categories - Minor 12.5 ft, Moderate 13.5 ft, Major 14.5 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 -------- --------- --------- --------- ------- -------- 22/11 AM 10.3 0.4 1.3 7-8 None 22/11 PM 12.0 2.1 1.8 7-8 None 23/12 PM 10.4 0.5 1.2 4-5 None 24/12 AM 10.7 0.8 0.5 4 None 24/01 PM 9.6 -0.3 0.3 4 None 25/01 AM 10.2 0.3 0.3 3-4 None &&
High Surf Advisory
Issued: 5:47 PM Aug. 22, 2025 – National Weather Service
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY... ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 1 AM EDT SATURDAY... * WHAT...For the High Surf Advisory, large breaking waves of large breaking waves of 6 to 10 feet and a high risk of dangerous rip currents.. For the Coastal Flood Advisory, minor coastal flooding and splash over. * WHERE...In Maine, Coastal York, Coastal Cumberland, Sagadahoc, Lincoln, Knox and Coastal Waldo Counties. In New Hampshire, Coastal Rockingham County. * WHEN...For the High Surf Advisory, until 8 PM EDT Saturday. For the Coastal Flood Advisory, from 10 PM this evening to 1 AM EDT Saturday. * 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 -------- --------- --------- --------- ------- -------- 22/12 PM 9.4 0.5 1.2 5 None 23/12 AM 10.8 1.9 1.4 6 None 23/12 PM 9.3 0.4 0.9 6 None 24/12 AM 9.4 0.5 0.2 6 None 24/01 PM 8.8 -0.1 0.2 5 None 25/01 AM 9.2 0.3 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 -------- --------- --------- --------- ------- -------- 22/11 AM 9.2 -0.4 0.9 1 None 23/12 AM 10.9 1.3 1.4 5-6 None 23/12 PM 9.4 -0.2 0.9 5-6 None 24/12 AM 9.6 0.0 0.2 5-6 None 24/01 PM 8.9 -0.7 0.2 4 None 25/01 AM 9.4 -0.2 0.2 3-4 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 -------- --------- --------- --------- ------- -------- 22/11 AM 10.3 0.4 1.2 1 None 22/11 PM 12.0 2.1 1.7 5-7 Minor 23/12 PM 10.5 0.6 1.1 5-6 None 24/12 AM 10.7 0.8 0.4 5-6 None 24/01 PM 9.8 -0.1 0.3 4-5 None 25/01 AM 10.3 0.4 0.2 3 None Arrowsic Test Point MLLW Categories - Minor 11.5 ft, Moderate 12.5 ft, Major 13.5 ft MHHW Categories - Minor 3.7 ft, Moderate 4.7 ft, Major 5.7 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 22/12 PM 9.5 1.7 1.4 0 None 23/12 AM 11.0 3.2 1.8 0 None 23/12 PM 9.5 1.7 1.2 0 None 24/01 AM 9.6 1.8 0.5 0 None 24/01 PM 8.7 0.9 0.3 0 None 25/01 AM 9.2 1.4 0.3 0 None Bath ME MLLW Categories - Minor 9.5 ft, Moderate 11.0 ft, Major 12.0 ft MHHW Categories - Minor 2.1 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 -------- --------- --------- --------- ------- -------- 22/12 PM 8.3 0.9 1.4 0 None 23/12 AM 9.8 2.4 1.8 0 Minor 23/01 PM 8.4 1.0 1.3 0 None 24/01 AM 8.6 1.2 0.7 0 None 24/01 PM 7.5 0.1 0.4 0-1 None 25/02 AM 8.1 0.7 0.4 0 None Boothbay Harbor ME MLLW Categories - Minor 13.0 ft, Moderate 14.0 ft, Major 15.0 ft MHHW Categories - Minor 3.3 ft, Moderate 4.3 ft, Major 5.3 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 22/11 AM 10.1 0.4 1.3 4 None 22/11 PM 11.8 2.1 1.8 3-4 None 23/12 PM 10.2 0.5 1.2 2 None 24/12 AM 10.5 0.8 0.5 2-3 None 24/01 PM 9.5 -0.2 0.3 3 None 25/01 AM 10.0 0.3 0.3 2-3 None Saint George MLLW Categories - Minor 12.5 ft, Moderate 13.5 ft, Major 14.5 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 -------- --------- --------- --------- ------- -------- 22/11 AM 10.3 0.4 1.3 7-8 None 22/11 PM 12.0 2.1 1.8 7-8 None 23/12 PM 10.4 0.5 1.2 4-5 None 24/12 AM 10.7 0.8 0.5 4 None 24/01 PM 9.6 -0.3 0.3 4 None 25/01 AM 10.2 0.3 0.3 3-4 None &&
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