Coastal Waters Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
927 FZUS51 KGYX 151203 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 802 AM EDT Tue Sep 15 2026 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 60 NM ANZ100-160100- 802 AM EDT Tue Sep 15 2026 .Synopsis for Stonington ME to Merrimack River Ma out to 60 NM... High pressure builds across the waters today and 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. $$ ANZ151-160100- Penobscot Bay- 802 AM EDT Tue Sep 15 2026 .TODAY...N winds 5 to 10 kt, diminishing to around 5 kt late this morning, then becoming S early this afternoon, increasing to 5 to 10 kt late. Seas around 2 ft. .TONIGHT...SW winds around 5 kt. Seas 1 foot or less. .WED...S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. .WED NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 1 foot or less. .THU...NE winds around 5 kt, becoming SE around 5 kt in the afternoon. Seas 1 foot or less. .THU NIGHT...S winds around 5 kt, becoming W after midnight. Seas 1 foot or less. Showers likely. .FRI...NW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 foot or less. A chance of showers in the morning. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt after midnight. Seas 1 foot or less. .SAT...N winds 5 to 10 kt, becoming SW in the afternoon. Seas 1 foot or less. .SAT NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. A chance of showers after midnight. $$ ANZ153-160100- Casco Bay- 802 AM EDT Tue Sep 15 2026 .TODAY...N winds 5 to 10 kt, becoming NE late this morning, then becoming SE this afternoon. Seas around 2 ft. .TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. .WED...S winds 5 to 10 kt. 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 SE in the afternoon. Seas around 2 ft. .THU NIGHT...S winds around 5 kt, becoming W after midnight. Seas around 2 ft. A chance of showers. .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. $$ ANZ150-160100- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 802 AM EDT Tue Sep 15 2026 .TODAY...N winds 5 to 10 kt, becoming NE early this afternoon, then becoming SE late. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 8 seconds. .TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. .WED...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds. .WED NIGHT...SW winds 5 to 10 kt, becoming S after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds. .THU...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. .THU NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds. Showers likely. .FRI...NW winds around 10 kt. Seas around 2 ft. A chance of showers in the morning. .FRI NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SAT...N winds 10 to 15 kt with gusts up to 20 kt, becoming S 5 to 10 kt in the afternoon. Seas around 2 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers after midnight. $$ ANZ152-160100- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 802 AM EDT Tue Sep 15 2026 .TODAY...N winds 5 to 10 kt, becoming SE late. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 8 seconds. .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. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds. .WED NIGHT...SW winds 5 to 10 kt, becoming E after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds. .THU...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. .THU NIGHT...S winds 5 to 10 kt, becoming W 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. A chance of showers in the morning. .FRI NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SAT...N 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. $$ ANZ154-160100- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 802 AM EDT Tue Sep 15 2026 .TODAY...NE winds 5 to 10 kt with gusts up to 20 kt, becoming SE late. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and SE 2 ft at 8 seconds. .TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft. .WED...S winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...S winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. .THU...NE winds around 5 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds. .THU NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds. Showers likely. .FRI...NW winds 5 to 10 kt. Seas around 2 ft. A chance of showers in the morning. .FRI NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SAT...NE winds 5 to 10 kt with gusts up to 20 kt, becoming SE in the afternoon. Seas around 2 ft. .SAT NIGHT...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of showers after midnight. $$ ANZ180-160100- Waters from Stonington ME to Port Clyde ME from 25 to 60 NM- 802 AM EDT Tue Sep 15 2026 .TODAY...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt this afternoon. Seas 2 to 4 ft. Wave Detail: N 2 ft at 4 seconds and SE 2 ft at 8 seconds. .TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. .WED...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds. .WED NIGHT...SW winds 5 to 10 kt. 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. A chance of showers in the evening, then showers likely after midnight. .FRI...NW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers in the morning. .FRI NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 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 3 ft. .SAT NIGHT...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of showers after midnight. $$ ANZ182-160100- Waters from Port Clyde ME to Cape Elizabeth ME from 25 to 60 NM- 802 AM EDT Tue Sep 15 2026 .TODAY...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt this afternoon. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE 2 ft at 8 seconds. .TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. .WED...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds. .THU...SE winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds. A chance of showers in the evening, then showers likely after midnight. .FRI...NW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers in the morning. .FRI NIGHT...N winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of showers after midnight. $$ ANZ184-160100- Waters from Cape Elizabeth ME to Merrimack River MA from 25 to 60 NM- 802 AM EDT Tue Sep 15 2026 .TODAY...NE winds 10 to 15 kt with gusts up to 20 kt, diminishing to around 5 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at 4 seconds and SE 2 ft at 8 seconds. .TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 3 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 after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds. A chance of showers in the evening, then showers likely after midnight. .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. 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, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of showers after midnight. $$