Coastal Waters Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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837 FZUS51 KGYX 130544 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 1244 AM EST Sat Dec 13 2025 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM ANZ100-131945- 1244 AM EST Sat Dec 13 2025 .Synopsis for Stonington ME to Merrimack River Ma out to 25 NM... A weak area of low pressure will cross the region late today into Sunday. The coastal waters are more likely to see some light snow and lower visibility for brief periods. In the wake of that system a renewed push of cold air surges in with a cold front crossing the waters. Another period of gales is possible for the outer waters Monday with high pressure slowly building in after that. $$ ANZ154-131945- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 1244 AM EST Sat Dec 13 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST EARLY THIS MORNING... .TODAY...SW winds 10 to 15 kt, increasing to 15 to 20 kt this afternoon. Gusts up to 25 kt early. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds. A slight chance of rain and snow showers early this afternoon with vsby 1 NM or less. .TONIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds. A chance of snow showers after midnight with vsby 1 NM or less. .SUN...NW winds 10 to 15 kt with gusts up to 20 kt, becoming N 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 3 seconds. A chance of snow showers. Vsby 1 NM or less. .SUN NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: N 4 ft at 4 seconds. .MON...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: N 4 ft at 5 seconds. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds. .TUE...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt after midnight. Seas 2 to 4 ft. .WED...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. .WED NIGHT...W winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. $$ ANZ152-131945- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 1244 AM EST Sat Dec 13 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST EARLY THIS MORNING... .TODAY...W winds 10 to 15 kt with gusts up to 20 kt, becoming SW 15 to 20 kt with gusts up to 30 kt this afternoon. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds. A slight chance of snow showers this afternoon with vsby 1 NM or less. .TONIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 6 seconds. A chance of snow showers after midnight. .SUN...N winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds. A chance of snow showers. Vsby 1 NM or less. .SUN NIGHT...NW winds 20 to 25 kt with gusts up to 40 kt. Seas 4 to 6 ft. Wave Detail: N 5 ft at 4 seconds and S 2 ft at 8 seconds. A chance of snow showers in the evening. Vsby 1 NM or less. .MON...NW winds 20 to 25 kt with gusts up to 40 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 4 seconds and SE 2 ft at 10 seconds. .MON NIGHT...NW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft, subsiding to 2 to 3 ft after midnight. Wave Detail: NW 3 ft at 4 seconds and SE 2 ft at 10 seconds, becoming W 2 ft at 4 seconds and SE 2 ft at 10 seconds. .TUE...W winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, increasing to 20 to 25 kt with gusts up to 35 kt after midnight. Seas 2 to 4 ft. .WED...SW winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 7 ft. .WED NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 5 to 7 ft. $$ ANZ150-131945- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 1244 AM EST Sat Dec 13 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST EARLY THIS MORNING... .TODAY...W winds 10 to 15 kt with gusts up to 20 kt, becoming SW 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 5 seconds. A chance of snow showers early this afternoon. A chance of snow and rain showers late. Vsby 1 NM or less this afternoon. .TONIGHT...W winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 6 seconds. A chance of snow showers. Vsby 1 NM or less. .SUN...N winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: S 3 ft at 8 seconds. Snow showers likely, mainly in the morning. Vsby 1 NM or less. .SUN NIGHT...N winds 20 to 25 kt with gusts up to 40 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 4 seconds and S 2 ft at 8 seconds. A chance of snow showers in the evening. Vsby 1 NM or less. .MON...NW winds 20 to 25 kt with gusts up to 40 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 4 seconds and SE 2 ft at 10 seconds. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt, becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 5 seconds and S 2 ft at 10 seconds. .TUE...NW winds 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming SW 20 to 25 kt with gusts up to 35 kt after midnight. Seas 2 to 4 ft. .WED...SW winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 8 ft. .WED NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 5 to 8 ft, subsiding to 5 to 6 ft after midnight. $$ ANZ153-131945- Casco Bay- 1244 AM EST Sat Dec 13 2025 .TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt this afternoon. Seas 2 to 3 ft. A slight chance of snow showers this afternoon. Vsby 1 NM or less early this afternoon. .TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. A chance of snow showers after midnight with vsby 1 NM or less. .SUN...N winds 5 to 10 kt, increasing to 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas around 2 ft. A chance of snow showers. Vsby 1 NM or less. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas around 2 ft. .MON...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. .MON NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. .TUE...W winds 5 to 10 kt. Seas around 2 ft. .TUE 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 2 to 3 ft. .WED...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. $$ ANZ151-131945- Penobscot Bay- 1244 AM EST Sat Dec 13 2025 .TODAY...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of snow showers this afternoon. Vsby 1 NM or less late. .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 6 seconds. A chance of snow showers. Vsby 1 NM or less. .SUN...N winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. A chance of snow showers. Vsby 1 NM or less. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. .MON...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 2 seconds and S 2 ft at 10 seconds. .TUE...W winds 5 to 10 kt. Seas around 2 ft. .TUE NIGHT...W winds 5 to 10 kt, becoming SW 15 to 20 kt with gusts up to 30 kt after midnight. Seas 2 to 3 ft. .WED...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. $$