Coastal Waters Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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724 FZUS51 KGYX 091207 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 707 AM EST Tue Dec 9 2025 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM ANZ100-100100- 707 AM EST Tue Dec 9 2025 .Synopsis for Stonington ME to Merrimack River Ma out to 25 NM... High pressure will exit the region today. Low pressure slides through New England tonight, with a larger area of low pressure set to move through the Great Lakes and push north along the St. Lawrence River into late week. This track may bring additional gale conditions to the coastal waters. $$ ANZ154-100100- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 707 AM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM EST THIS EVENING THROUGH WEDNESDAY MORNING... .TODAY...W winds 5 to 10 kt, becoming SW early this afternoon, then increasing to 10 to 15 kt with gusts up to 20 kt late. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds. .TONIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 3 to 5 ft. Wave Detail: S 5 ft at 5 seconds. A chance of snow in the evening, then a chance of rain and snow after midnight. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .WED...SW winds 15 to 20 kt, becoming S 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 6 seconds. A chance of rain in the morning, then rain in the afternoon with vsby 1 to 3 NM. .WED NIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: S 6 ft at 7 seconds. Rain likely, mainly in the evening with vsby 1 to 3 NM. .THU...W winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 7 seconds and W 4 ft at 4 seconds. .THU NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 5 seconds and SE 3 ft at 11 seconds. .FRI...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas 3 to 5 ft. .FRI NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. .SAT...W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. $$ ANZ152-100100- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 707 AM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM EST THIS EVENING THROUGH WEDNESDAY MORNING... .TODAY...NW winds 5 to 10 kt with gusts up to 20 kt, becoming SW early this afternoon, then increasing to 10 to 15 kt with gusts up to 20 kt late. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds. .TONIGHT...SW winds 25 to 30 kt with gusts up to 35 kt. Seas 3 to 5 ft, building to 5 to 7 ft after midnight. Wave Detail: SW 4 ft at 5 seconds, becoming SW 6 ft at 6 seconds. A chance of snow in the evening, then snow likely with a chance of rain after midnight. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .WED...SW winds 15 to 20 kt with gusts up to 30 kt, becoming S 20 to 25 kt with gusts up to 40 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: S 7 ft at 7 seconds. A chance of rain in the morning, then rain in the afternoon. Vsby 1 to 3 NM. .WED NIGHT...SW winds 20 to 25 kt with gusts up to 40 kt, diminishing to 15 to 20 kt with gusts up to 30 kt after midnight. Seas 6 to 8 ft. Wave Detail: S 8 ft at 7 seconds. Rain, mainly in the evening with vsby 1 to 3 NM. .THU...W winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: S 7 ft at 9 seconds and W 4 ft at 4 seconds. .THU NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 7 ft. Wave Detail: W 5 ft at 5 seconds and S 5 ft at 11 seconds. .FRI...W winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. .FRI NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .SAT...W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Scattered snow showers in the afternoon. .SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Scattered snow showers in the evening. Vsby 1 to 3 NM. $$ ANZ150-100100- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 707 AM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM EST THIS EVENING THROUGH WEDNESDAY MORNING... .TODAY...NW winds 5 to 10 kt with gusts up to 20 kt, becoming W early this afternoon, then becoming SW 10 to 15 kt with gusts up to 20 kt late. Seas around 2 ft. Wave Detail: NW 2 ft at 4 seconds. .TONIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 3 to 5 ft, building to 5 to 7 ft after midnight. Wave Detail: SW 4 ft at 5 seconds, becoming SW 7 ft at 7 seconds. Rain and snow after midnight with vsby 1 NM or less. .WED...SW winds 15 to 20 kt, becoming S 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: SW 7 ft at 7 seconds. A chance of rain in the morning, then rain in the afternoon. Vsby 1 to 3 NM. .WED NIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 6 to 9 ft. Wave Detail: S 9 ft at 8 seconds. Rain. Vsby 1 to 3 NM in the evening. .THU...W winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas 5 to 8 ft. Wave Detail: S 7 ft at 8 seconds and SE 4 ft at 11 seconds. .THU NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 8 ft. Wave Detail: SW 6 ft at 7 seconds and S 6 ft at 11 seconds. .FRI...W winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. .FRI NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Scattered snow showers in the afternoon. .SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Scattered snow showers. Vsby 1 to 3 NM. $$ ANZ153-100100- Casco Bay- 707 AM EST Tue Dec 9 2025 .TODAY...NW winds around 5 kt, becoming SW this afternoon. Seas around 2 ft. .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of snow. Vsby 1 NM or less. .WED...SW winds 10 to 15 kt, becoming S 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. A chance of rain and snow in the morning, then rain in the afternoon. Vsby 1 to 3 NM. .WED NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Rain, mainly in the evening with vsby 1 to 3 NM. .THU...W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. .THU NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .FRI...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 3 ft. .SAT...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. $$ ANZ151-100100- Penobscot Bay- 707 AM EST Tue Dec 9 2025 .TODAY...NW winds 5 to 10 kt, becoming SW this afternoon. Seas 1 foot or less. .TONIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 4 ft. Wave Detail: S 3 ft at 6 seconds. Snow likely with a chance of rain after midnight with vsby 1 NM or less. .WED...SW winds 10 to 15 kt with gusts up to 20 kt, becoming S 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds. A chance of rain and snow in the morning, then rain in the afternoon. Vsby 1 to 3 NM. .WED NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 seconds. Rain. Vsby 1 to 3 NM in the evening. .THU...W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft. .THU NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .FRI...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 3 ft. .SAT...W winds around 10 kt. Seas around 2 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Scattered snow showers in the evening. Vsby 1 to 3 NM. $$