


Coastal Waters Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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360 FZUS51 KGYX 201048 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 648 AM EDT Sun Apr 20 2025 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM ANZ100-210100- 648 AM EDT Sun Apr 20 2025 .Synopsis for Stonington ME to Merrimack River Ma out to 25 NM Low pressure deepens across the Canadian Maritimes today, bringing freshening northwesterly winds to Gale Force at times over the outer waters. High pressure then builds in tonight into Monday. Low pressure likely crosses through the waters Monday night into Wednesday morning. High pressure likely returns by Thursday. $$ ANZ154-210100- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 648 AM EDT Sun Apr 20 2025 ...GALE WARNING IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... .TODAY...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: W 4 ft at 4 seconds and S 4 ft at 9 seconds. .TONIGHT...NW winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. Wave Detail: NW 4 ft at 4 seconds and SE 2 ft at 9 seconds. .MON...N winds 5 to 10 kt, becoming S with gusts up to 20 kt in the afternoon. Seas around 2 ft. .MON NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds. A chance of showers in the evening, then showers after midnight. .TUE...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds. Showers, mainly in the morning. .TUE NIGHT...W winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds. .WED...W winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to 3 ft. .WED NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. .THU...NE winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. .THU NIGHT...S winds around 10 kt. Seas around 2 ft. $$ ANZ152-210100- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 648 AM EDT Sun Apr 20 2025 ...GALE WARNING IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... .TODAY...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 5 seconds and S 5 ft at 9 seconds. .TONIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 5 seconds and S 3 ft at 9 seconds. .MON...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and S 2 ft at 7 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 6 seconds and SW 2 ft at 3 seconds. Showers after midnight. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds. Showers likely in the morning. .TUE NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas around 3 ft. Wave Detail: S 3 ft at 6 seconds. .WED...W winds 5 to 10 kt, becoming SW in the afternoon. Seas around 3 ft. .WED NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. .THU...N winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. $$ ANZ150-210100- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 648 AM EDT Sun Apr 20 2025 ...GALE WARNING IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... .TODAY...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 7 ft. Wave Detail: S 6 ft at 9 seconds. .TONIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 5 seconds and S 3 ft at 9 seconds. .MON...NW winds 10 to 15 kt, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: NW 2 ft at 4 seconds and S 2 ft at 7 seconds. .MON NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and S 2 ft at 7 seconds. Showers likely after midnight. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds. Showers likely. .TUE NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds. A chance of showers in the evening. .WED...W winds 5 to 10 kt. Seas 3 to 4 ft. .WED NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. .THU...NW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. $$ ANZ153-210100- Casco Bay- 648 AM EDT Sun Apr 20 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...NW winds 15 to 20 kt, increasing to 20 to 25 kt late this morning and afternoon. Seas 2 to 4 ft. .TONIGHT...NW winds 15 to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. .MON...N winds 5 to 10 kt, becoming S with gusts up to 20 kt in the afternoon. Seas around 2 ft. .MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers in the evening, then showers after midnight. .TUE...S winds 10 to 15 kt, becoming SE 5 to 10 kt in the afternoon. Seas around 2 ft. Showers, mainly in the morning. .TUE NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .WED...W winds around 5 kt. Seas 2 to 3 ft. .WED NIGHT...NW winds around 5 kt. Seas 2 to 3 ft. .THU...N winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. .THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft. $$ ANZ151-210100- Penobscot Bay- 648 AM EDT Sun Apr 20 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 8 seconds. .TONIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 3 seconds and S 3 ft at 8 seconds. .MON...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds. .MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Showers likely after midnight. .TUE...SE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds. Showers likely. .TUE NIGHT...SE winds around 5 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds. A chance of showers in the evening. .WED...W winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...NW winds around 5 kt. Seas 2 to 3 ft. .THU...NW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. .THU NIGHT...SW winds around 5 kt. Seas around 2 ft. $$