Coastal Waters Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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838 FZUS51 KGYX 301203 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 803 AM EDT Wed Sep 30 2026 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 60 NM ANZ100-010100- 803 AM EDT Wed Sep 30 2026 .Synopsis for Stonington ME to Merrimack River Ma out to 60 NM... Quiet conditions are expected over the waters today before southwest winds strengthen ahead of an approaching cold front on Thursday and Thursday night. Winds will then become northwesterly behind the front this weekend. $$ ANZ151-010100- Penobscot Bay- 803 AM EDT Wed Sep 30 2026 .TODAY...N winds around 5 kt, becoming W early this afternoon, then becoming SW late. Seas around 2 ft. Patchy fog until late afternoon. Vsby 1 to 3 NM until late afternoon. .TONIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Patchy fog. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt. Seas around 2 ft. Patchy fog in the morning with vsby 1 to 3 NM. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds. .FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds. A chance of showers in the afternoon. .FRI NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds. A chance of showers. .SAT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...N winds around 5 kt. Seas around 2 ft. .SUN...E winds around 5 kt, becoming SE in the afternoon. Seas 1 foot or less. .SUN NIGHT...S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft after midnight. A chance of showers. $$ ANZ153-010100- Casco Bay- 803 AM EDT Wed Sep 30 2026 .TODAY...NW winds around 5 kt, becoming SW this afternoon. Seas 2 to 3 ft. Patchy fog until late afternoon. Vsby 1 to 3 NM until late afternoon. .TONIGHT...SW winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM. .THU...SW winds around 5 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Patchy fog in the morning with vsby 1 to 3 NM. .THU NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. .FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers in the afternoon. .FRI NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. A chance of showers. .SAT...N winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...N winds around 5 kt. Seas around 2 ft. .SUN...E winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. .SUN NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas around 2 ft. A chance of showers after midnight. $$ ANZ150-010100- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 803 AM EDT Wed Sep 30 2026 .TODAY...NW winds 5 to 10 kt, becoming W this afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and SE 2 ft at 9 seconds. Patchy fog until late afternoon. Vsby 1 to 3 NM until late afternoon. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and S 2 ft at 6 seconds. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 2 ft at 9 seconds. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 5 seconds and SE 2 ft at 12 seconds. .FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds and SE 2 ft at 12 seconds. A chance of showers in the afternoon. .FRI NIGHT...SW winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds and SE 2 ft at 11 seconds. A chance of showers. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...N winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft. .SUN...E winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. .SUN NIGHT...SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. A chance of showers. $$ ANZ152-010100- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 803 AM EDT Wed Sep 30 2026 .TODAY...NW winds around 5 kt, becoming W early this afternoon, then becoming SW late. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and E 2 ft at 9 seconds. Patchy fog until late afternoon. Vsby 1 to 3 NM until late afternoon. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and SE 2 ft at 9 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 9 seconds. .FRI...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 6 seconds and SE 2 ft at 12 seconds. A chance of showers in the afternoon. .FRI NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 3 to 4 ft. Wave Detail: S 3 ft at 6 seconds and SE 2 ft at 12 seconds. A chance of showers. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...N winds 5 to 10 kt. Seas around 2 ft. .SUN...E winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. .SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. $$ ANZ154-010100- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 803 AM EDT Wed Sep 30 2026 .TODAY...N winds around 5 kt, becoming S this afternoon. Seas around 3 ft. Wave Detail: E 3 ft at 9 seconds. Patchy fog. Vsby 1 to 3 NM. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and S 2 ft at 4 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .THU NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and E 2 ft at 9 seconds. .FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and E 2 ft at 9 seconds. A chance of showers in the afternoon. .FRI NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 4 ft. Wave Detail: S 3 ft at 6 seconds and E 2 ft at 12 seconds. A chance of showers. .SAT...N winds 5 to 10 kt with gusts up to 20 kt, becoming NE in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...NE winds around 5 kt, increasing to 5 to 10 kt after midnight. Seas around 2 ft. .SUN...E winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. .SUN NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas 2 to 3 ft. A chance of showers. $$ ANZ180-010100- Waters from Stonington ME to Port Clyde ME from 25 to 60 NM- 803 AM EDT Wed Sep 30 2026 .TODAY...NW winds 5 to 10 kt, becoming W late. Seas 2 to 4 ft. Wave Detail: N 2 ft at 4 seconds and S 2 ft at 7 seconds. Patchy fog early this afternoon with vsby 1 to 3 NM. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 9 seconds. .THU...SW winds 10 to 15 kt. Seas around 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at 9 seconds. .THU NIGHT...SW winds 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 5 seconds and SE 2 ft at 9 seconds. .FRI...SW winds around 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 6 seconds and SE 2 ft at 12 seconds. .FRI NIGHT...SW winds 10 to 15 kt, becoming NW after midnight. Seas 3 to 5 ft. Wave Detail: S 4 ft at 7 seconds and SE 2 ft at 11 seconds. Showers likely, mainly in the evening. .SAT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft, subsiding to 2 to 4 ft in the afternoon. .SAT NIGHT...N winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. .SUN...E winds around 10 kt. Seas 2 to 3 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft, building to 4 to 5 ft after midnight. A chance of showers. $$ ANZ182-010100- Waters from Port Clyde ME to Cape Elizabeth ME from 25 to 60 NM- 803 AM EDT Wed Sep 30 2026 .TODAY...NW winds 5 to 10 kt, becoming W late. Seas 3 to 4 ft. Wave Detail: E 3 ft at 9 seconds and NE 2 ft at 4 seconds. Patchy fog late this morning and early afternoon with vsby 1 to 3 NM. .TONIGHT...SW winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 9 seconds and SW 2 ft at 3 seconds. .THU...SW winds 10 to 15 kt. Seas around 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 9 seconds. .THU NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 5 seconds and E 2 ft at 9 seconds. .FRI...SW winds around 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 5 seconds and SE 2 ft at 8 seconds. .FRI NIGHT...SW winds 10 to 15 kt, becoming NW after midnight. Seas 3 to 5 ft. Wave Detail: S 4 ft at 7 seconds and NW 2 ft at 3 seconds. A chance of showers. .SAT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...E winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SE winds around 10 kt, becoming S with gusts up to 20 kt after midnight. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. A chance of showers. $$ ANZ184-010100- Waters from Cape Elizabeth ME to Merrimack River MA from 25 to 60 NM- 803 AM EDT Wed Sep 30 2026 .TODAY...NW winds around 5 kt, becoming SW late. Seas around 3 ft. Wave Detail: E 3 ft at 9 seconds. Patchy fog. Vsby 1 to 3 NM. .TONIGHT...SW winds 5 to 10 kt. Seas around 3 ft. Wave Detail: E 3 ft at 9 seconds and SW 2 ft at 3 seconds. .THU...SW winds 10 to 15 kt. Seas around 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 9 seconds. .THU NIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and E 2 ft at 9 seconds. .FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and E 2 ft at 8 seconds. .FRI NIGHT...SW winds 10 to 15 kt, becoming NW after midnight. Seas 3 to 5 ft. Wave Detail: S 4 ft at 6 seconds and NW 2 ft at 3 seconds. A chance of showers. .SAT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...E winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. A chance of showers. $$