Coastal Waters Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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288 FZUS51 KGYX 200811 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 311 AM EST Thu Nov 20 2025 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM ANZ100-202215- 311 AM EST Thu Nov 20 2025 .Synopsis for Stonington ME to Merrimack River Ma out to 25 NM... Winds and seas will remain relaxed as high pressure becomes centered over the region today. As the high drifts offshore Friday, winds will turn southerly ahead of the next front. The front crosses Friday night, and after a period of gusty winds through Saturday, high pressure will bring gradually improving conditions Saturday night into Sunday. $$ ANZ154-202215- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 311 AM EST Thu Nov 20 2025 .TODAY...NE winds 5 to 10 kt, diminishing to around 5 kt this afternoon. Seas 1 foot or less. .TONIGHT...SE winds around 5 kt, becoming SW after midnight. Seas 1 foot or less. .FRI...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds. A chance of showers after midnight. .SAT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 5 seconds and E 2 ft at 7 seconds. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and E 2 ft at 7 seconds. .SUN...W winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. $$ ANZ152-202215- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 311 AM EST Thu Nov 20 2025 .TODAY...NE winds 5 to 10 kt, diminishing to around 5 kt this afternoon. Seas 1 foot or less. .TONIGHT...SE winds around 5 kt, becoming SW after midnight. Seas 1 foot or less. .FRI...SW winds 5 to 10 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds. A chance of showers after midnight. .SAT...NW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 2 ft at 7 seconds. .SAT NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and SE 2 ft at 7 seconds. .SUN...NW winds 5 to 10 kt with gusts up to 20 kt, becoming W in the afternoon. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 to 3 ft. .MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. $$ ANZ150-202215- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 311 AM EST Thu Nov 20 2025 .TODAY...NE winds 5 to 10 kt, becoming N this afternoon. Seas 1 foot or less. .TONIGHT...N winds around 5 kt, becoming SW after midnight. Seas 1 foot or less. .FRI...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and S 2 ft at 8 seconds. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds. A chance of showers after midnight. .SAT...NW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 6 seconds. .SAT NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds. .SUN...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 to 3 ft. .MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. $$ ANZ153-202215- Casco Bay- 311 AM EST Thu Nov 20 2025 .TODAY...NE winds around 5 kt, becoming E around 5 kt early this afternoon, then becoming light and variable late. Seas 1 foot or less. .TONIGHT...Light and variable winds, becoming SW around 5 kt after midnight. Seas 1 foot or less. .FRI...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. .SUN...NW winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .MON...W winds 5 to 10 kt, becoming NW 10 to 15 kt in the afternoon. Seas around 2 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. $$ ANZ151-202215- Penobscot Bay- 311 AM EST Thu Nov 20 2025 .TODAY...N winds around 5 kt until late afternoon, becoming light and variable. Seas 1 foot or less. .TONIGHT...Light and variable winds, becoming SW around 5 kt after midnight. Seas 1 foot or less. .FRI...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 2 seconds. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds. .SUN...W winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .MON...W winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...NW winds around 10 kt with gusts up to 20 kt. Seas around 2 ft. $$