FZUS51 KGYX 271318 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 918 AM EDT Mon Apr 27 2026 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM ANZ100-280330- 918 AM EDT Mon Apr 27 2026 .Synopsis for Stonington ME to Merrimack River Ma out to 25 NM... High pressure will prevail over the Northeast through Tuesday before retreating northward towards the Canadian Maritimes Tuesday night. A cut off low in the western Atlantic will send some moisture into the Gulf of Maine Wednesday. Increasing easterly flow will develop Wednesday night as a coastal low starts to take shape near southern New England. This low will slowly track through the Gulf of Maine Thursday into Friday. $$ ANZ151-280330- Penobscot Bay- 918 AM EDT Mon Apr 27 2026 .REST OF TODAY...SE winds around 5 kt. Seas 1 foot or less. .TONIGHT...SE winds around 5 kt, becoming E after midnight. Seas 1 foot or less. .TUE...E winds 5 to 10 kt. Seas around 2 ft. .TUE NIGHT...E winds around 5 kt. Seas 2 to 3 ft. A chance of showers after midnight. .WED...E winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .WED NIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. A chance of showers. .THU...E winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Showers. .THU NIGHT...E winds 25 to 30 kt with gusts up to 40 kt. Seas 3 to 5 ft. Showers. .FRI...E winds 15 to 20 kt with gusts up to 35 kt. Seas 2 to 4 ft. Showers likely, mainly in the morning. .FRI NIGHT...N winds 10 to 15 kt, becoming NW after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. $$ ANZ153-280330- Casco Bay- 918 AM EDT Mon Apr 27 2026 .REST OF TODAY...E winds around 5 kt, becoming SE around 5 kt late. Seas 1 foot or less. .TONIGHT...SE winds around 5 kt, becoming E after midnight. Seas 1 foot or less. .TUE...E winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers after midnight. .WED...E winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .WED NIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. A chance of showers in the evening, then showers likely after midnight. .THU...E winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Showers. .THU NIGHT...E winds 20 to 25 kt, becoming NE 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 3 to 5 ft. Showers. .FRI...N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .FRI NIGHT...NW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Seas 3 to 5 ft. A chance of showers. $$ ANZ150-280330- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 918 AM EDT Mon Apr 27 2026 .REST OF TODAY...E winds 5 to 10 kt, becoming SE late. Seas 1 foot or less. .TONIGHT...SE winds 5 to 10 kt, becoming E after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds. .TUE...E winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 8 seconds. .TUE NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft, building to 4 to 6 ft after midnight. Wave Detail: SE 4 ft at 8 seconds, becoming SE 6 ft at 9 seconds. A chance of showers. .WED...E winds 5 to 10 kt with gusts up to 20 kt. Seas 5 to 7 ft. Wave Detail: SE 7 ft at 10 seconds. A chance of showers. .WED NIGHT...E winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 6 to 7 ft. Wave Detail: SE 7 ft at 10 seconds. A chance of showers. .THU...E winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas 6 to 7 ft, building to 6 to 9 ft in the afternoon. Showers. .THU NIGHT...E winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to 10 ft. Showers. .FRI...E winds around 20 kt, becoming NE in the afternoon. Gusts up to 30 kt. Seas 7 to 9 ft, subsiding to 6 to 7 ft in the afternoon. Showers likely, mainly in the morning. .FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of showers. $$ ANZ152-280330- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 918 AM EDT Mon Apr 27 2026 .REST OF TODAY...E winds 5 to 10 kt, becoming SE late. Seas 1 foot or less. .TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds. .TUE...E winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 8 seconds. .TUE NIGHT...NE winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 8 seconds. A chance of showers after midnight. .WED...E winds 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: E 7 ft at 10 seconds. A chance of showers. .WED NIGHT...E winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 6 to 7 ft. Wave Detail: SE 7 ft at 10 seconds. A chance of showers. .THU...E winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to 7 ft, building to 7 to 9 ft in the afternoon. Showers. .THU NIGHT...E winds 25 to 30 kt with gusts up to 40 kt. Seas 8 to 10 ft. Showers. .FRI...NE winds around 20 kt, becoming N in the afternoon. Gusts up to 30 kt. Seas 7 to 9 ft, subsiding to 6 to 7 ft in the afternoon. A chance of showers. .FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of showers. $$ ANZ154-280330- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 918 AM EDT Mon Apr 27 2026 .REST OF TODAY...NE winds around 5 kt, becoming E late. Seas 1 foot or less. .TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds. .TUE...NE winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 8 seconds. .TUE NIGHT...NE winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 8 seconds. A chance of showers after midnight. .WED...NE winds 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: E 7 ft at 10 seconds. A chance of showers. .WED NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas 6 to 7 ft. Wave Detail: E 7 ft at 10 seconds. A chance of showers in the evening, then showers likely after midnight. .THU...E winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to 7 ft. Showers. .THU NIGHT...E winds 15 to 20 kt, becoming N after midnight. Gusts up to 30 kt. Seas 6 to 8 ft. Showers, mainly in the evening. .FRI...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to 8 ft. A chance of showers. .FRI NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of showers in the evening. $$ ANZ180-280330- Waters from Stonington ME to Port Clyde ME from 25 to 60 NM- 918 AM EDT Mon Apr 27 2026 .REST OF TODAY...E winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and E 2 ft at 4 seconds. .TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 8 seconds. .TUE NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft, building to 5 to 8 ft after midnight. Wave Detail: SE 5 ft at 8 seconds, becoming E 7 ft at 10 seconds. A chance of showers. .WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 7 to 8 ft. Wave Detail: E 8 ft at 10 seconds. A chance of showers. .WED NIGHT...SE winds 15 to 20 kt with gusts up to 30 kt. Seas 7 to 8 ft. Wave Detail: SE 7 ft at 9 seconds. A chance of showers. .THU...E winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to 8 ft, building to 8 to 10 ft in the afternoon. Showers likely in the morning, then showers in the afternoon. .THU NIGHT...E winds 25 to 30 kt with gusts up to 45 kt. Seas 8 to 11 ft. Showers. .FRI...SE winds 20 to 25 kt, becoming W in the afternoon. Gusts up to 35 kt. Seas 6 to 8 ft. Showers likely, mainly in the morning. .FRI NIGHT...W winds around 20 kt with gusts up to 30 kt. Seas 6 to 7 ft. A chance of showers in the evening. $$ ANZ182-280330- Waters from Port Clyde ME to Cape Elizabeth ME from 25 to 60 NM- 918 AM EDT Mon Apr 27 2026 .REST OF TODAY...E winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. .TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 8 seconds. .TUE NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft, building to 5 to 7 ft after midnight. Wave Detail: E 5 ft at 8 seconds, becoming E 6 ft at 9 seconds. A chance of showers. .WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to 8 ft. Wave Detail: E 8 ft at 10 seconds. A chance of showers. .WED NIGHT...E winds 15 to 20 kt with gusts up to 30 kt. Seas around 7 ft. Wave Detail: E 7 ft at 10 seconds. A chance of showers. .THU...E winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to 9 ft. Showers likely in the morning, then showers in the afternoon. .THU NIGHT...E winds 25 to 30 kt with gusts up to 40 kt. Seas 8 to 11 ft. Showers. .FRI...NE winds around 20 kt, becoming W in the afternoon. Gusts up to 30 kt. Seas 7 to 9 ft, subsiding to 6 to 7 ft in the afternoon. A chance of showers. .FRI NIGHT...W winds around 20 kt with gusts up to 30 kt. Seas 6 to 7 ft. A chance of showers in the evening. $$ ANZ184-280330- Waters from Cape Elizabeth ME to Merrimack River MA from 25 to 60 NM- 918 AM EDT Mon Apr 27 2026 .REST OF TODAY...NE winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. .TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds. .TUE NIGHT...NE winds around 10 kt with gusts up to 20 kt. Seas 4 to 6 ft. Wave Detail: E 6 ft at 9 seconds. A chance of showers. .WED...E winds around 10 kt. Seas 5 to 7 ft. Wave Detail: E 7 ft at 10 seconds. A chance of showers. .WED NIGHT...E winds 10 to 15 kt with gusts up to 20 kt, becoming SE 15 to 20 kt with gusts up to 30 kt after midnight. Seas 6 to 7 ft. Wave Detail: E 7 ft at 10 seconds. A chance of showers. .THU...E winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to 7 ft, building to 7 to 9 ft in the afternoon. Showers. .THU NIGHT...E winds 20 to 25 kt, becoming NE after midnight. Gusts up to 35 kt. Seas 7 to 9 ft. Showers, mainly in the evening. .FRI...NW winds around 20 kt with gusts up to 30 kt. Seas 6 to 8 ft. A chance of showers. .FRI NIGHT...W winds around 20 kt with gusts up to 30 kt. Seas 5 to 6 ft. A chance of showers in the evening. $$