Coastal Waters Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
475 FZUS51 KGYX 152102 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 502 PM EDT Tue Sep 15 2026 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 60 NM ANZ100-161000- 502 PM EDT Tue Sep 15 2026 .Synopsis for Stonington ME to Merrimack River Ma out to 60 NM... High pressure remains in control through Wednesday night. A cold front approaches Thursday and crosses Thursday night. High pressure builds in Friday into Saturday with the next system arriving late in the weekend. $$ ANZ151-161000- Penobscot Bay- 502 PM EDT Tue Sep 15 2026 .TONIGHT...SW winds around 5 kt. Seas 1 foot or less. .WED...S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. .WED NIGHT...SW winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft in the evening, then 1 foot or less. .THU...NE winds around 5 kt, becoming SE in the afternoon. Seas 1 foot or less. A chance of showers in the afternoon. .THU NIGHT...S winds around 5 kt, becoming W after midnight. Seas 1 foot or less. Showers likely. .FRI...NW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. A chance of showers in the morning. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt after midnight. Seas around 2 ft in the evening, then 1 foot or less. .SAT...N winds 5 to 10 kt, becoming SW in the afternoon. Seas 1 foot or less. .SAT NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .SUN...S winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .SUN NIGHT...SE winds 5 to 10 kt, becoming N after midnight. Seas 2 to 4 ft. A chance of showers. $$ ANZ153-161000- Casco Bay- 502 PM EDT Tue Sep 15 2026 .TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. .WED...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas around 2 ft. .WED NIGHT...S winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft in the evening, then 1 foot or less. .THU...NE winds around 5 kt, becoming E in the afternoon. Seas around 2 ft. A chance of showers in the afternoon. .THU NIGHT...S winds around 5 kt, becoming W after midnight. Seas around 2 ft. Showers likely. .FRI...NW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .FRI NIGHT...N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. .SAT...N winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers after midnight. .SUN...S winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .SUN NIGHT...E winds 5 to 10 kt, becoming N after midnight. Seas 2 to 4 ft. A chance of showers. $$ ANZ150-161000- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 502 PM EDT Tue Sep 15 2026 .TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. .WED...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds. .WED NIGHT...SW winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds. .THU...E winds around 5 kt. Seas around 2 ft. A chance of showers in the afternoon. .THU NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds. Showers likely. .FRI...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds. A chance of showers in the morning. .FRI NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT...N winds 10 to 15 kt with gusts up to 20 kt, becoming S 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .SUN...S winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. .SUN NIGHT...E winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 4 to 5 ft, subsiding to 2 to 4 ft after midnight. A chance of showers. $$ ANZ152-161000- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 502 PM EDT Tue Sep 15 2026 .TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. .WED...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds. .WED NIGHT...S winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds. .THU...E winds around 5 kt. Seas around 2 ft. A chance of showers in the afternoon. .THU NIGHT...S winds around 5 kt, becoming SW after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds. Showers likely. Vsby 1 to 3 NM in the evening. .FRI...NW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds. A chance of showers in the morning. .FRI NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT...N winds 10 to 15 kt with gusts up to 20 kt, becoming SE 5 to 10 kt in the afternoon. Seas around 2 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .SUN...S winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. .SUN NIGHT...E winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. A chance of showers. $$ ANZ154-161000- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 502 PM EDT Tue Sep 15 2026 .TONIGHT...S winds 5 to 10 kt, becoming SW towards daybreak. Seas around 2 ft. .WED...S winds around 10 kt. Seas around 2 ft. .WED NIGHT...S winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. .THU...NE winds around 5 kt. Seas around 2 ft. A chance of showers in the afternoon. .THU NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds. Showers likely. .FRI...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 7 seconds. .FRI NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT...NE winds 5 to 10 kt with gusts up to 20 kt, becoming SE in the afternoon. Seas around 2 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers after midnight. .SUN...SE winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers in the morning, then showers likely in the afternoon. .SUN NIGHT...E winds around 10 kt, becoming NE with gusts up to 20 kt after midnight. Seas 2 to 4 ft. A chance of showers. $$ ANZ180-161000- Waters from Stonington ME to Port Clyde ME from 25 to 60 NM- 502 PM EDT Tue Sep 15 2026 .TONIGHT...S winds around 5 kt, becoming SW towards daybreak. Seas around 2 ft. .WED...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds. .WED NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds. .THU...SE winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds. Showers likely. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds. A chance of showers in the morning. .FRI NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .SAT...N winds 10 to 15 kt with gusts up to 25 kt, becoming NW 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .SUN...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft, building to 4 to 5 ft in the afternoon. A chance of showers. .SUN NIGHT...E winds 10 to 15 kt, becoming NE after midnight. Seas 4 to 6 ft. A chance of showers. $$ ANZ182-161000- Waters from Port Clyde ME to Cape Elizabeth ME from 25 to 60 NM- 502 PM EDT Tue Sep 15 2026 .TONIGHT...S winds around 5 kt, becoming SW towards daybreak. Seas around 2 ft. .WED...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds. .WED NIGHT...SW winds 10 to 15 kt, becoming S 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds. .THU...SE winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds. Showers likely. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds. A chance of showers in the morning. .FRI NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT...N winds 10 to 15 kt with gusts up to 25 kt, becoming E 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .SUN NIGHT...E winds 10 to 15 kt, becoming NE after midnight. Seas 3 to 5 ft. A chance of showers. $$ ANZ184-161000- Waters from Cape Elizabeth ME to Merrimack River MA from 25 to 60 NM- 502 PM EDT Tue Sep 15 2026 .TONIGHT...S winds 5 to 10 kt, becoming SW towards daybreak. Seas around 2 ft. .WED...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds. .WED NIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds. .THU...SE winds around 5 kt. Seas around 2 ft. .THU NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds. Showers likely. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds. A chance of showers in the morning. .FRI NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...SE winds around 10 kt. Seas 3 to 5 ft. A chance of showers. .SUN NIGHT...E winds around 10 kt, becoming NE after midnight. Seas 3 to 5 ft. A chance of showers. $$