Coastal Waters Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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351 FZUS51 KGYX 301207 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 706 AM EST Sun Nov 30 2025 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM ANZ100-010100- 706 AM EST Sun Nov 30 2025 .Synopsis for Stonington ME to Merrimack River Ma out to 25 NM... High pressure shifts east today as another cold front approaches. This crosses the waters tonight with another period of gales. High pressure then builds back in Monday, before a coastal low brings increased winds and seas Tuesday night into Wednesday of next week. $$ ANZ154-010100- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 706 AM EST Sun Nov 30 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... .TODAY...S winds 5 to 10 kt with gusts up to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt. Seas 2 to 3 ft, building to 4 to 6 ft this afternoon. Wave Detail: S 3 ft at 3 seconds, becoming S 6 ft at 6 seconds. A chance of rain early this afternoon. Rain likely late with vsby 1 to 3 NM. .TONIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Seas 5 to 7 ft. Wave Detail: S 7 ft at 6 seconds. Rain in the evening with vsby 1 to 3 NM. .MON...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SE 5 ft at 7 seconds and W 4 ft at 4 seconds. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt, becoming SE 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds. .TUE...S winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. A chance of snow and rain in the morning, then rain in the afternoon. Vsby 1 NM or less. .TUE NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft, building to 4 to 6 ft after midnight. Wave Detail: NE 3 ft at 3 seconds, becoming N 5 ft at 4 seconds and SE 3 ft at 8 seconds. Rain with snow likely in the evening, then a chance of snow and rain after midnight. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .WED...NW winds 15 to 20 kt with gusts up to 30 kt, becoming W 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 4 to 6 ft. .WED NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 4 to 6 ft. .THU...SW winds 15 to 20 kt, becoming W 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas 5 to 7 ft. .THU NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. $$ ANZ152-010100- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 706 AM EST Sun Nov 30 2025 ...GALE WARNING IN EFFECT FROM 4 PM EST THIS AFTERNOON THROUGH MONDAY MORNING... .TODAY...SE winds 5 to 10 kt with gusts up to 20 kt, becoming S 20 to 25 kt with gusts up to 35 kt. Seas 2 to 3 ft, building to 4 to 6 ft this afternoon. Wave Detail: S 2 ft at 3 seconds, becoming S 6 ft at 6 seconds. A slight chance of rain late this morning and early afternoon. Rain likely late with vsby 1 to 3 NM. .TONIGHT...S winds 25 to 30 kt, becoming W 20 to 25 kt after midnight. Gusts up to 40 kt. Seas 6 to 9 ft. Wave Detail: S 9 ft at 7 seconds. Rain in the evening with vsby 1 to 3 NM. .MON...W winds 20 to 25 kt, becoming NW 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: S 6 ft at 7 seconds and NW 5 ft at 5 seconds. .MON NIGHT...N winds 15 to 20 kt with gusts up to 25 kt, becoming E 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and SE 2 ft at 7 seconds. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds. A chance of snow and rain in the morning, then rain in the afternoon. Vsby 1 NM or less. .TUE NIGHT...NE winds 15 to 20 kt, becoming N 20 to 25 kt after midnight. Gusts up to 35 kt. Seas 2 to 3 ft, building to 4 to 6 ft after midnight. Wave Detail: NE 2 ft at 3 seconds and S 2 ft at 5 seconds, becoming NE 5 ft at 5 seconds and SE 3 ft at 9 seconds. Rain with snow likely in the evening, then a chance of snow and rain after midnight. Vsby 1 NM or less. .WED...N winds 15 to 20 kt with gusts up to 30 kt, becoming NW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 5 to 7 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt after midnight. Seas 4 to 6 ft. .THU...SW winds 15 to 20 kt with gusts up to 30 kt, becoming W 20 to 25 kt with gusts up to 40 kt in the afternoon. Seas 5 to 8 ft. A chance of rain and snow showers in the afternoon with vsby 1 NM or less. .THU NIGHT...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 8 ft. A chance of snow showers in the evening with vsby 1 NM or less. $$ ANZ150-010100- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 706 AM EST Sun Nov 30 2025 ...GALE WARNING IN EFFECT FROM 4 PM EST THIS AFTERNOON THROUGH MONDAY MORNING... .TODAY...SE winds 5 to 10 kt, becoming S 20 to 25 kt with gusts up to 35 kt. Seas around 2 ft, building to 3 to 5 ft this afternoon. Wave Detail: SW 2 ft at 5 seconds, becoming S 5 ft at 6 seconds. A slight chance of snow late this morning. A slight chance of rain late this morning and early afternoon, then a chance of rain late. Vsby 1 NM or less late this morning. .TONIGHT...S winds 25 to 30 kt, becoming W 20 to 25 kt after midnight. Gusts up to 40 kt. Seas 7 to 10 ft. Wave Detail: S 9 ft at 7 seconds. Rain in the evening with vsby 1 to 3 NM. .MON...W winds 20 to 25 kt, becoming NW 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas 5 to 8 ft. Wave Detail: S 7 ft at 8 seconds. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt, becoming NE 5 to 10 kt after midnight. Seas 3 to 5 ft, subsiding to 2 to 3 ft after midnight. Wave Detail: NW 4 ft at 5 seconds and S 2 ft at 7 seconds, becoming SW 2 ft at 6 seconds. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds. A chance of snow and rain in the morning, then rain in the afternoon with vsby 1 NM or less. .TUE NIGHT...NE winds 15 to 20 kt, becoming N 20 to 25 kt after midnight. Gusts up to 35 kt. Seas 2 to 3 ft, building to 4 to 6 ft after midnight. Wave Detail: NE 2 ft at 3 seconds and S 2 ft at 5 seconds, becoming N 5 ft at 5 seconds and S 3 ft at 8 seconds. Rain in the evening, then rain likely with a chance of snow after midnight. Vsby 1 NM or less. .WED...N winds 15 to 20 kt with gusts up to 30 kt, becoming NW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 5 to 7 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt after midnight. Seas 4 to 6 ft. .THU...SW winds 15 to 20 kt, becoming W 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas 5 to 7 ft, building to 6 to 9 ft in the afternoon. A chance of rain and snow showers in the afternoon with vsby 1 NM or less. .THU NIGHT...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 6 to 9 ft. A chance of snow and rain showers in the evening. Vsby 1 NM or less. $$ ANZ153-010100- Casco Bay- 706 AM EST Sun Nov 30 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... .TODAY...SE winds 5 to 10 kt, becoming S 20 to 25 kt with gusts up to 30 kt. Seas around 2 ft, building to 3 to 5 ft this afternoon. A slight chance of snow late this morning. A chance of rain late this morning and early afternoon, then rain late. Vsby 1 NM or less late this morning, then 1 to 3 NM late. .TONIGHT...SW winds 25 to 30 kt, becoming W 15 to 20 kt after midnight. Seas 3 to 5 ft. Rain in the evening with vsby 1 to 3 NM. .MON...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt, becoming E around 5 kt after midnight. Seas 2 to 3 ft. .TUE...S winds 5 to 10 kt, becoming SE in the afternoon. Seas 1 foot or less. A chance of snow in the morning, then snow in the afternoon. Vsby 1 to 3 NM, decreasing to 1 NM or less in the afternoon. .TUE NIGHT...N winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft. Snow likely, mainly in the evening with vsby 1 NM or less. .WED...NW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .THU...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .THU NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 2 to 4 ft. $$ ANZ151-010100- Penobscot Bay- 706 AM EST Sun Nov 30 2025 ...GALE WARNING IN EFFECT FROM 4 PM EST THIS AFTERNOON THROUGH THIS EVENING... .TODAY...SE winds around 5 kt, becoming S 15 to 20 kt with gusts up to 30 kt. Seas 1 foot or less, then 2 to 4 ft this afternoon. Wave Detail: S 4 ft at 5 seconds. A slight chance of snow late this morning. A slight chance of rain late this morning and early afternoon, then rain likely late. Vsby 1 NM or less late this morning, then 1 to 3 NM late. .TONIGHT...S winds 20 to 25 kt, becoming SW 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 6 seconds. Rain, mainly in the evening with vsby 1 to 3 NM. .MON...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 8 seconds and NW 2 ft at 3 seconds. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, becoming NE around 5 kt after midnight. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and S 2 ft at 7 seconds. .TUE...S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. A chance of snow in the morning, then rain with snow likely in the afternoon with vsby 1 NM or less. .TUE NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming N 15 to 20 kt with gusts up to 30 kt after midnight. Seas 2 to 3 ft. Wave Detail: N 2 ft at 2 seconds. Rain with snow likely in the evening, then a chance of snow after midnight. Vsby 1 NM or less. .WED...N winds 15 to 20 kt, becoming NW 10 to 15 kt in the afternoon. Seas 2 to 4 ft. .WED NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. .THU...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. A chance of rain and snow showers in the afternoon with vsby 1 NM or less. .THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. A chance of snow showers in the evening with vsby 1 NM or less. $$