Coastal Waters Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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443 FZUS51 KGYX 070634 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 234 AM EDT Mon Sep 7 2026 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 60 NM ANZ100-072045- 234 AM EDT Mon Sep 7 2026 .Synopsis for Stonington ME to Merrimack River Ma out to 60 NM... Low pressure will exit into the northern Atlantic today as broad high pressure exits the Great Lakes, building towards New England early this week. A weak cold front will move over the waters Tuesday, pushing back north as a warm front Wednesday and Thursday. $$ ANZ151-072045- Penobscot Bay- 234 AM EDT Mon Sep 7 2026 .REST OF TONIGHT...NW winds around 5 kt. Seas 1 foot or less. .MON...NW winds 5 to 10 kt, becoming W in the afternoon. Seas 1 foot or less. .MON NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .TUE...NW winds 5 to 10 kt. Seas 1 foot or less. .TUE NIGHT...NE winds around 5 kt. Seas 1 foot or less. .WED...E winds around 5 kt, becoming SE in the afternoon. Seas 1 foot or less. .WED NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers in the evening, then showers after midnight. .THU...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Showers in the morning. .THU NIGHT...W winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 4 ft. .FRI...NW winds 5 to 10 kt. Seas 2 to 4 ft. .FRI NIGHT...NW winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft. $$ ANZ153-072045- Casco Bay- 234 AM EDT Mon Sep 7 2026 .REST OF TONIGHT...NW winds around 5 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...W winds 5 to 10 kt. Seas 1 foot or less. .TUE...NW winds 5 to 10 kt. Seas 1 foot or less. .TUE NIGHT...W winds around 5 kt, becoming NE after midnight. Seas 1 foot or less. .WED...SE winds 5 to 10 kt. 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. .THU...SW winds 15 to 20 kt. Seas 2 to 4 ft. Showers likely, mainly in the morning. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW around 5 kt after midnight. Seas 2 to 4 ft. A chance of showers in the evening. .FRI...NW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...NW winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft. $$ ANZ150-072045- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 234 AM EDT Mon Sep 7 2026 .REST OF TONIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds. .MON...NW winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds. .MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds. .TUE...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds. .TUE NIGHT...W winds around 5 kt, becoming NE after midnight. Seas 1 foot or less. .WED...SE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 3 seconds. .WED NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft, building to 5 to 7 ft after midnight. A chance of showers in the evening, then showers after midnight. .THU...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. Showers likely in the morning. .THU NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Seas 4 to 6 ft. .FRI...W winds around 10 kt. Seas 3 to 5 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. $$ ANZ152-072045- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 234 AM EDT Mon Sep 7 2026 .REST OF TONIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .MON...NW winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .TUE...W winds 5 to 10 kt. 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, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 3 seconds. .WED NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of showers in the evening, then showers after midnight. .THU...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Showers likely, mainly in the morning. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight. Seas 3 to 5 ft. A chance of showers in the evening. .FRI...W winds 5 to 10 kt. Seas 2 to 4 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. $$ ANZ154-072045- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 234 AM EDT Mon Sep 7 2026 .REST OF TONIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 8 seconds. .MON...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 9 seconds. .MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .TUE...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. .TUE NIGHT...S winds around 5 kt, becoming NE after midnight. Seas 1 foot or less. .WED...SE winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers in the evening, then showers likely after midnight. .THU...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Showers likely, mainly in the morning. .THU NIGHT...W winds around 10 kt. Seas 2 to 4 ft. A chance of showers in the evening. .FRI...W winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...NW winds around 5 kt. Seas around 2 ft. $$ ANZ180-072045- Waters from Stonington ME to Port Clyde ME from 25 to 60 NM- 234 AM EDT Mon Sep 7 2026 .REST OF TONIGHT...NW winds around 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: NW 2 ft at 4 seconds and NE 2 ft at 6 seconds. .MON...NW winds 10 to 15 kt, becoming W in the afternoon. Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds. .MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 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: W 2 ft at 4 seconds. .TUE NIGHT...W winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft. .WED...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 4 seconds. .WED NIGHT...S winds 15 to 20 kt, becoming SW around 25 kt after midnight. Seas 3 to 5 ft, building to 5 to 7 ft after midnight. A chance of showers in the evening, then showers likely after midnight. .THU...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 8 ft. Showers likely, mainly in the morning. .THU NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Seas 6 to 7 ft, subsiding to 4 to 6 ft after midnight. A chance of showers in the evening. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. $$ ANZ182-072045- Waters from Port Clyde ME to Cape Elizabeth ME from 25 to 60 NM- 234 AM EDT Mon Sep 7 2026 .REST OF TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: NW 2 ft at 3 seconds and NE 2 ft at 6 seconds. .MON...NW winds 10 to 15 kt, becoming W in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and NE 2 ft at 6 seconds. .MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds. .TUE NIGHT...SW winds around 5 kt, becoming E after midnight. Seas around 2 ft. Wave Detail: NE 2 ft at 3 seconds. .WED...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 4 seconds. .WED NIGHT...S winds 15 to 20 kt, becoming SW 20 to 25 kt after midnight. Seas 3 to 5 ft, building to 5 to 7 ft after midnight. A chance of showers in the evening, then showers likely after midnight. .THU...SW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 5 to 7 ft. Showers likely, mainly in the morning. .THU NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Seas 4 to 6 ft. A chance of showers in the evening. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .FRI NIGHT...NW winds around 10 kt, becoming N after midnight. Seas 2 to 3 ft. $$ ANZ184-072045- Waters from Cape Elizabeth ME to Merrimack River MA from 25 to 60 NM- 234 AM EDT Mon Sep 7 2026 .REST OF TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: NW 2 ft at 3 seconds and NE 2 ft at 6 seconds. .MON...NW winds around 10 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 6 seconds. .MON NIGHT...W winds around 10 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds. .TUE...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds. .TUE NIGHT...S winds around 5 kt, becoming E after midnight. Seas around 2 ft. .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. Wave Detail: SE 2 ft at 3 seconds. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 4 ft, building to 4 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. Seas 4 to 6 ft. Showers likely, mainly in the morning. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers in the evening. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .FRI NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft. $$