Coastal Waters Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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196 FZUS51 KGYX 072102 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 502 PM EDT Mon Sep 7 2026 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 60 NM ANZ100-081000- 502 PM EDT Mon Sep 7 2026 .Synopsis for Stonington ME to Merrimack River Ma out to 60 NM... Mostly fair weather on the waters through Tuesday. A backdoor front will sag towards the waters, but never really cross into the Gulf of Maine overnight. Some showers may spill over into the Penobscot Bay region before drying up. High pressure will drift across the region Tuesday and Tuesday night before giving way to increasing southwesterly winds ahead of the next cold front. Gusty winds and building seas are expected Wednesday evening into Thursday. Behind the front northwest winds will remain breezy through Thursday. $$ ANZ151-081000- Penobscot Bay- 502 PM EDT Mon Sep 7 2026 .TONIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .TUE...N winds 5 to 10 kt. Seas 1 foot or less. A chance of showers in the morning. .TUE NIGHT...N winds around 5 kt, becoming NE around 5 kt after midnight. Seas 1 foot or less. .WED...E winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. .WED NIGHT...S winds 10 to 15 kt, becoming SW 15 to 20 kt after midnight. Seas 2 to 4 ft. Wave Detail: S 3 ft at 4 seconds. A chance of showers in the evening, then showers after midnight. Vsby 1 to 3 NM. .THU...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds. Showers likely in the morning with vsby 1 to 3 NM. .THU NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. .FRI...NW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...NW winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft. .SAT...NE winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. .SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft. $$ ANZ153-081000- Casco Bay- 502 PM EDT Mon Sep 7 2026 .TONIGHT...NW winds 5 to 10 kt. Seas 1 foot or less. .TUE...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 1 foot or less. .TUE NIGHT...S winds around 5 kt, becoming E around 5 kt 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. A chance of showers in the evening, then showers likely after midnight with vsby 1 to 3 NM. .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 with vsby 1 to 3 NM. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 4 ft. .FRI...NW winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...NW winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft in the evening, then 1 foot or less. .SAT...NE winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. .SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft. $$ ANZ150-081000- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 502 PM EDT Mon Sep 7 2026 .TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds. .TUE...NW winds 5 to 10 kt, becoming W in the afternoon. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds. .TUE NIGHT...W winds around 5 kt, becoming NE after midnight. Seas 1 foot or less. .WED...E winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds. .WED NIGHT...S winds 15 to 20 kt, becoming SW 20 to 25 kt after midnight. Seas 3 to 5 ft, building to 5 to 7 ft after midnight. Wave Detail: S 5 ft at 5 seconds, becoming S 6 ft at 6 seconds and SE 6 ft at 10 seconds. Showers likely after midnight with vsby 1 to 3 NM. .THU...SW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: S 7 ft at 7 seconds. Showers likely in the morning with vsby 1 to 3 NM. .THU NIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft, subsiding to 3 to 4 ft after midnight. .FRI...W winds 10 to 15 kt. Seas 2 to 3 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SAT...E winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. $$ ANZ152-081000- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 502 PM EDT Mon Sep 7 2026 .TONIGHT...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, becoming SW in the afternoon. Seas around 2 ft. .TUE NIGHT...S winds around 5 kt, becoming E 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. Wave Detail: S 6 ft at 5 seconds and SE 3 ft at 10 seconds. Showers likely after midnight with vsby 1 to 3 NM. .THU...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 7 seconds. Showers likely in the morning with vsby 1 to 3 NM. .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, subsiding to 2 to 3 ft after midnight. .FRI...W winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .SAT...NE winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. $$ ANZ154-081000- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 502 PM EDT Mon Sep 7 2026 .TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. .TUE...NW winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. .TUE NIGHT...S winds around 5 kt, becoming E after midnight. Seas 1 foot or less. .WED...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 3 seconds. .WED NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 5 seconds and SE 2 ft at 10 seconds. Showers likely after midnight with vsby 1 to 3 NM. .THU...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: S 5 ft at 9 seconds and S 4 ft at 5 seconds. A chance of showers in the morning with vsby 1 to 3 NM. .THU NIGHT...W winds around 10 kt. Seas 2 to 4 ft. .FRI...W winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft. .SAT...NE winds around 5 kt, becoming SE in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. .SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft. $$ ANZ180-081000- Waters from Stonington ME to Port Clyde ME from 25 to 60 NM- 502 PM EDT Mon Sep 7 2026 .TONIGHT...W winds 10 to 15 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: W 2 ft at 4 seconds. .TUE NIGHT...W winds around 5 kt, becoming NE after midnight. Seas around 2 ft. .WED...SE winds 10 to 15 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. Wave Detail: S 5 ft at 5 seconds, becoming S 7 ft at 6 seconds and SE 7 ft at 10 seconds. A chance of showers after midnight with vsby 1 to 3 NM. .THU...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 8 ft. Wave Detail: S 8 ft at 7 seconds. A chance of showers in the morning with vsby 1 to 3 NM. .THU NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Seas 4 to 6 ft. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .FRI NIGHT...NW winds 10 to 15 kt, becoming N 5 to 10 kt after midnight. Seas 2 to 3 ft. .SAT...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. .SAT NIGHT...S winds around 10 kt. Seas 2 to 3 ft. $$ ANZ182-081000- Waters from Port Clyde ME to Cape Elizabeth ME from 25 to 60 NM- 502 PM EDT Mon Sep 7 2026 .TONIGHT...W winds around 10 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds. .TUE...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds. .TUE NIGHT...S winds around 5 kt, becoming E after midnight. Seas around 2 ft. .WED...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 4 seconds. .WED NIGHT...S winds 15 to 20 kt, becoming SW 20 to 25 kt after midnight. Seas 3 to 5 ft, building to 5 to 7 ft after midnight. Wave Detail: S 5 ft at 5 seconds, becoming S 7 ft at 6 seconds. Showers likely after midnight with vsby 1 to 3 NM. .THU...SW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: S 7 ft at 7 seconds. A chance of showers in the morning with vsby 1 to 3 NM. .THU NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Seas 3 to 5 ft. .FRI...NW winds 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .FRI NIGHT...NW winds around 10 kt, becoming N after midnight. Seas around 2 ft. .SAT...E winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. .SAT NIGHT...S winds around 10 kt. Seas 2 to 3 ft. $$ ANZ184-081000- Waters from Cape Elizabeth ME to Merrimack River MA from 25 to 60 NM- 502 PM EDT Mon Sep 7 2026 .TONIGHT...SW winds around 10 kt, becoming NW late this evening and overnight. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds. .TUE...NW winds 5 to 10 kt, diminishing to around 5 kt in the afternoon. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds. .TUE NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. .WED...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 3 seconds. .WED NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 4 ft, building to 4 to 6 ft after midnight. Wave Detail: S 4 ft at 5 seconds, becoming S 6 ft at 5 seconds. Showers likely after midnight with vsby 1 to 3 NM. .THU...SW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: S 6 ft at 6 seconds and S 6 ft at 9 seconds. A chance of showers in the morning with vsby 1 to 3 NM. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .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 3 ft. .FRI NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft. .SAT...E winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. .SAT NIGHT...S winds around 10 kt. Seas 2 to 3 ft. $$