Coastal Waters Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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412 FZUS51 KGYX 061543 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 1143 AM EDT Sun Sep 6 2026 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 60 NM ANZ100-070545- 1143 AM EDT Sun Sep 6 2026 .Synopsis for Stonington ME to Merrimack River Ma out to 60 NM... Low pressure will remain over Nova Scotia today while broad high pressure builds towards New England from the west. This will bring breezy offshore winds through the remainder of the weekend. High pressure on Monday will be followed by additional frontal boundary crossings towards the middle of next week. $$ ANZ151-070545- Penobscot Bay- 1143 AM EDT Sun Sep 6 2026 .THIS AFTERNOON...N winds 5 to 10 kt. Seas around 2 ft early, then 1 foot or less. Isolated showers. .TONIGHT...NW winds 5 to 10 kt. Seas 1 foot or less. .MON...NW winds 5 to 10 kt. Seas 1 foot or less. .MON NIGHT...NW winds 5 to 10 kt. Seas 1 foot or less. .TUE...NW winds 5 to 10 kt. Seas 1 foot or less. .TUE NIGHT...N winds around 5 kt. Seas 1 foot or less. .WED...E winds around 5 kt, becoming S 10 to 15 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. .WED NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers. .THU...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 4 ft. A chance of showers in the morning. .THU NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. $$ ANZ153-070545- Casco Bay- 1143 AM EDT Sun Sep 6 2026 .THIS AFTERNOON...N winds 5 to 10 kt. Seas around 2 ft. Isolated sprinkles early. Isolated showers late. .TONIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .MON...NW winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less. .MON NIGHT...NW winds 5 to 10 kt. Seas 1 foot or less. .TUE...NW winds 5 to 10 kt. Seas 1 foot or less. .TUE NIGHT...NW winds around 5 kt, becoming NE after midnight. Seas 1 foot or less. .WED...SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. .WED NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers in the morning. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. $$ ANZ150-070545- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 1143 AM EDT Sun Sep 6 2026 .THIS AFTERNOON...N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt late. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 7 seconds and N 2 ft at 3 seconds. Isolated showers. .TONIGHT...NW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds. .MON...NW winds 5 to 10 kt with gusts up to 20 kt, becoming W in the afternoon. Seas around 2 ft. .MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds. .TUE...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds. .TUE NIGHT...NW winds 5 to 10 kt, becoming NE after midnight. Seas 1 foot or less. .WED...SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .WED NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft, building to 6 to 8 ft after midnight. Showers likely. .THU...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. Showers likely in the morning. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. $$ ANZ152-070545- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 1143 AM EDT Sun Sep 6 2026 .THIS AFTERNOON...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 7 seconds. Isolated showers. .TONIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds. .MON...NW winds 5 to 10 kt, becoming W in the afternoon. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds. .MON NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .TUE...NW winds 5 to 10 kt, becoming W in the afternoon. Seas around 2 ft. .TUE NIGHT...W winds around 5 kt, becoming NE after midnight. Seas 1 foot or less. .WED...SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .WED NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Showers likely. .THU...SW winds 15 to 20 kt. Gusts up to 30 kt in the morning. Seas 4 to 6 ft. A chance of showers in the morning. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. $$ ANZ154-070545- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 1143 AM EDT Sun Sep 6 2026 .THIS AFTERNOON...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds. .TONIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds. .MON...NW winds 5 to 10 kt, becoming W in the afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 8 seconds. .MON NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds. .TUE...NW winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft. .TUE NIGHT...SW winds around 5 kt, becoming E after midnight. Seas 1 foot or less. .WED...SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .WED NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .THU...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. A chance of showers in the morning. .THU NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. $$ ANZ180-070545- Waters from Stonington ME to Port Clyde ME from 25 to 60 NM- 1143 AM EDT Sun Sep 6 2026 .THIS AFTERNOON...N winds 15 to 20 kt, diminishing to 10 to 15 kt late. Seas 3 to 5 ft. Wave Detail: NE 4 ft at 7 seconds and N 2 ft at 4 seconds. .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 7 seconds and NW 2 ft at 4 seconds. .MON...NW winds 10 to 15 kt, becoming W in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and NE 2 ft at 7 seconds. .MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: NW 2 ft at 4 seconds. .TUE NIGHT...W winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft. Wave Detail: NE 2 ft at 9 seconds. .WED...SE winds around 10 kt, becoming S 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 2 to 3 ft. .WED NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft, building to 7 to 8 ft after midnight. A chance of showers in the evening, then showers likely after midnight. .THU...SW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 6 to 8 ft, subsiding to 5 to 6 ft in the afternoon. Showers likely in the morning. .THU NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. $$ ANZ182-070545- Waters from Port Clyde ME to Cape Elizabeth ME from 25 to 60 NM- 1143 AM EDT Sun Sep 6 2026 .THIS AFTERNOON...N winds 15 to 20 kt, becoming NW 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NE 4 ft at 7 seconds. .TONIGHT...NW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 7 seconds and NW 2 ft at 3 seconds. .MON...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and NE 2 ft at 7 seconds. .MON NIGHT...W winds 10 to 15 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds. .TUE...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds. .TUE NIGHT...W winds around 5 kt, becoming NE after midnight. Seas around 2 ft. Wave Detail: NE 2 ft at 9 seconds. .WED...SE winds around 10 kt, becoming S 15 to 20 kt in the afternoon. Seas 2 to 4 ft. .WED NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft, building to 6 to 7 ft after midnight. A chance of showers in the evening, then showers likely after midnight. .THU...SW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 5 to 7 ft. Showers likely in the morning. .THU NIGHT...W winds around 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. $$ ANZ184-070545- Waters from Cape Elizabeth ME to Merrimack River MA from 25 to 60 NM- 1143 AM EDT Sun Sep 6 2026 .THIS AFTERNOON...N winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt late. Seas 3 to 4 ft. Wave Detail: NE 4 ft at 7 seconds. .TONIGHT...W winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 3 ft. Wave Detail: NE 3 ft at 7 seconds and NW 2 ft at 3 seconds. .MON...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. Wave Detail: NE 3 ft at 7 seconds. .MON NIGHT...W winds around 10 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and E 2 ft at 8 seconds. .TUE...NW winds 5 to 10 kt with gusts up to 20 kt, becoming W in the afternoon. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds. .TUE NIGHT...S winds around 5 kt, becoming E after midnight. Seas 1 foot or less, then around 2 ft after midnight. .WED...SE winds 10 to 15 kt. Seas 2 to 3 ft. .WED NIGHT...S winds 15 to 20 kt, becoming SW 20 to 25 kt after midnight. Seas 3 to 5 ft, building to 5 to 6 ft after midnight. A chance of showers in the evening, then showers likely after midnight. .THU...SW winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 4 to 6 ft. A chance of showers in the morning. .THU NIGHT...W winds around 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. $$