Coastal Waters Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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782 FZUS51 KGYX 201800 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 100 PM EST Thu Nov 20 2025 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM ANZ100-210800- 100 PM 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 moves east into 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. $$ ANZ154-210800- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 100 PM EST Thu Nov 20 2025 .THIS AFTERNOON...NE winds around 5 kt. Seas 1 foot or less. .TONIGHT...SE winds around 5 kt, becoming SW around 5 kt after midnight. Seas 1 foot or less. .FRI...SW winds 10 to 15 kt with a few gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and S 2 ft at 7 seconds. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and S 2 ft at 5 seconds. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 3 seconds. .SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. $$ ANZ152-210800- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 100 PM EST Thu Nov 20 2025 .THIS AFTERNOON...NE winds around 5 kt. 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 10 to 15 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, becoming W 10 to 15 kt after midnight. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds and SW 3 ft at 4 seconds. .SAT...NW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 4 seconds and S 3 ft at 6 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 S 2 ft at 7 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. Seas 2 to 3 ft. .MON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON NIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. $$ ANZ150-210800- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 100 PM EST Thu Nov 20 2025 .THIS AFTERNOON...NE winds around 5 kt. Seas 1 foot or less. .TONIGHT...N winds around 5 kt, becoming W after midnight. Seas 1 foot or less. .FRI...SW winds 5 to 10 kt, increasing to 15 to 20 kt with a few gusts up to 25 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and S 2 ft at 8 seconds. .FRI NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds. .SAT...NW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 6 seconds and NW 3 ft at 4 seconds. .SAT NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and S 2 ft at 7 seconds. .SUN...W winds 10 to 15 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON NIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. $$ ANZ153-210800- Casco Bay- 100 PM EST Thu Nov 20 2025 .THIS AFTERNOON...E winds around 5 kt early, 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...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. A few gusts up to 25 kt. 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 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. .SAT NIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. .SUN...W winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .MON...NW winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. $$ ANZ151-210800- Penobscot Bay- 100 PM EST Thu Nov 20 2025 .THIS AFTERNOON...N winds around 5 kt early, becoming light and variable. Seas 1 foot or less. .TONIGHT...Light and variable winds. Seas 1 foot or less. .FRI...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds. .SAT...NW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SUN...W winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .MON...NW winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. $$