Coastal Waters Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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387 FZUS51 KGYX 190650 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 250 AM EDT Sun Jul 19 2026 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 60 NM ANZ100-192100- 250 AM EDT Sun Jul 19 2026 .Synopsis for Stonington ME to Merrimack River Ma out to 60 NM... The cold front will cross the waters early this morning, bringing an end to showers and ushering in drier air. Winds will remain gusty today with seas slowly diminishing during the day. Winds and seas are not expected to increase again until midweek when the next front approaches. $$ ANZ151-192100- Penobscot Bay- 250 AM EDT Sun Jul 19 2026 .TODAY...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds and NW 2 ft at 3 seconds. .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds. .MON...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds. .TUE...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds. .TUE NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 5 seconds. A chance of tstms. Showers. .WED...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Showers with a chance of tstms in the morning, then showers likely in the afternoon. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 4 to 6 ft. A chance of showers. .THU...SW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. .THU NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 3 to 5 ft. Winds and seas higher in and near tstms. $$ ANZ153-192100- Casco Bay- 250 AM EDT Sun Jul 19 2026 .TODAY...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TONIGHT...NW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. .MON...W winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas around 2 ft. .MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .TUE...S winds 10 to 15 kt. Seas 2 to 3 ft. .TUE NIGHT...SE winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft. Showers with a chance of tstms. .WED...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Showers. A chance of tstms in the afternoon. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 3 to 5 ft. Showers likely with a chance of tstms in the evening, then a chance of showers after midnight. .THU...W winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 4 ft. A chance of showers in the morning. .THU NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 4 ft. Winds and seas higher in and near tstms. $$ ANZ150-192100- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 250 AM EDT Sun Jul 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... .TODAY...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 7 seconds. .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds and NW 2 ft at 4 seconds. .MON...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and W 2 ft at 4 seconds. .MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and SW 2 ft at 4 seconds. .TUE...S winds 10 to 15 kt. Seas around 3 ft. Wave Detail: S 3 ft at 7 seconds. .TUE NIGHT...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft, building to 4 to 6 ft after midnight. Wave Detail: S 4 ft at 5 seconds, becoming S 5 ft at 6 seconds. A chance of tstms. Showers. .WED...S winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 9 ft. Showers with a chance of tstms in the morning, then showers likely in the afternoon. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 8 to 11 ft. A chance of showers. .THU...SW winds 10 to 15 kt. Seas 6 to 8 ft. A chance of showers. .THU NIGHT...SW winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas 5 to 7 ft, subsiding to 4 to 5 ft after midnight. Winds and seas higher in and near tstms. $$ ANZ152-192100- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 250 AM EDT Sun Jul 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... .TODAY...W winds 15 to 20 kt, diminishing to 10 to 15 kt late. Seas 4 to 6 ft. Wave Detail: S 6 ft at 7 seconds and W 2 ft at 3 seconds. .TONIGHT...W winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and W 2 ft at 3 seconds. .MON...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and S 2 ft at 7 seconds. .MON NIGHT...S winds 10 to 15 kt. Seas around 3 ft. Wave Detail: S 3 ft at 8 seconds and SW 2 ft at 3 seconds. .TUE...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds. .TUE NIGHT...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 6 seconds. A chance of tstms. Showers. .WED...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft, building to 6 to 9 ft in the afternoon. Showers. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 7 to 10 ft. Showers likely, mainly in the evening. .THU...SW winds 10 to 15 kt. Seas 5 to 7 ft. A chance of showers in the morning. .THU NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 4 to 6 ft. Winds and seas higher in and near tstms. $$ ANZ154-192100- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 250 AM EDT Sun Jul 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... .TODAY...W winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 6 seconds and W 2 ft at 3 seconds. .TONIGHT...NW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and SE 2 ft at 7 seconds. .MON...W winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. .MON NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds. .TUE...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 5 seconds. .TUE NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 6 seconds. Showers with a chance of tstms. .WED...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 4 to 6 ft. Showers in the morning, then showers likely with a chance of tstms in the afternoon. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 7 ft. Showers likely with a chance of tstms in the evening, then a chance of showers after midnight. .THU...W winds 5 to 10 kt, becoming S in the afternoon. Seas 3 to 5 ft. A chance of showers in the morning. .THU NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 4 ft. Winds and seas higher in and near tstms. $$ ANZ180-192100- Waters from Stonington ME to Port Clyde ME from 25 to 60 NM- 250 AM EDT Sun Jul 19 2026 .TODAY...W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft, subsiding to 4 to 5 ft this afternoon. Wave Detail: SW 7 ft at 6 seconds, becoming SW 4 ft at 6 seconds. .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: SW 3 ft at 6 seconds. .MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 8 seconds and W 2 ft at 4 seconds. .MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 8 seconds. .TUE NIGHT...SE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SE 6 ft at 6 seconds. A chance of tstms. Showers. .WED...S winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 8 ft, building to 8 to 11 ft in the afternoon. Showers with a chance of tstms in the morning, then showers likely in the afternoon. .WED NIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 9 to 11 ft. A chance of showers. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 7 to 9 ft, subsiding to 6 to 7 ft in the afternoon. A chance of showers. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight. Seas 5 to 6 ft. Winds and seas higher in and near tstms. $$ ANZ182-192100- Waters from Port Clyde ME to Cape Elizabeth ME from 25 to 60 NM- 250 AM EDT Sun Jul 19 2026 .TODAY...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and W 3 ft at 4 seconds. .TONIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds and W 2 ft at 4 seconds. .MON...W winds around 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and W 2 ft at 4 seconds. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: S 3 ft at 8 seconds and SW 2 ft at 3 seconds. .TUE...S winds 10 to 15 kt. Seas around 3 ft. Wave Detail: S 3 ft at 7 seconds. .TUE NIGHT...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft, building to 4 to 6 ft after midnight. Wave Detail: S 4 ft at 5 seconds, becoming S 6 ft at 6 seconds. A chance of tstms. Showers. .WED...S winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft, building to 7 to 10 ft in the afternoon. Showers with a chance of tstms in the morning, then showers likely in the afternoon. .WED NIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 9 to 11 ft, subsiding to 7 to 10 ft after midnight. A chance of showers. .THU...SW winds 10 to 15 kt. Seas 5 to 8 ft. A chance of showers. .THU NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 4 to 6 ft. Winds and seas higher in and near tstms. $$ ANZ184-192100- Waters from Cape Elizabeth ME to Merrimack River MA from 25 to 60 NM- 250 AM EDT Sun Jul 19 2026 .TODAY...W winds 15 to 20 kt, diminishing to 10 to 15 kt this afternoon. Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 seconds. .TONIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and S 2 ft at 7 seconds. .MON...W winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and S 2 ft at 8 seconds. .MON NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and SW 2 ft at 3 seconds. .TUE...S winds around 10 kt, becoming SE with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds. .TUE NIGHT...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 6 seconds. A chance of tstms. Showers. .WED...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft, building to 6 to 9 ft in the afternoon. Showers. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 6 to 9 ft. A chance of showers. .THU...W winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt in the afternoon. Seas 5 to 7 ft. A chance of showers. .THU NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 4 to 5 ft. Winds and seas higher in and near tstms. $$