Coastal Waters Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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118 FZUS51 KGYX 101258 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 758 AM EST Wed Dec 10 2025 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM ANZ100-110300- 758 AM EST Wed Dec 10 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 will bring additional gale conditions to the coastal waters. $$ ANZ154-110300- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 758 AM EST Wed Dec 10 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... ...GALE WARNING IN EFFECT FROM 1 PM EST THIS AFTERNOON THROUGH FRIDAY AFTERNOON... .REST OF TODAY...SW winds 15 to 20 kt, becoming S 20 to 25 kt late. Seas 4 to 6 ft. Wave Detail: S 6 ft at 7 seconds. A slight chance of rain late this morning. A chance of rain early this afternoon, then rain likely late. Vsby 1 NM or less late this morning. .TONIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: S 6 ft at 7 seconds. Rain likely in the evening. .THU...W winds 25 to 30 kt with gusts up to 40 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 6 seconds. .THU NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at 5 seconds and SE 2 ft at 10 seconds. .FRI...W winds 25 to 30 kt with gusts up to 40 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at 5 seconds and SE 2 ft at 11 seconds. .FRI NIGHT...W winds 20 to 25 kt with gusts up to 35 kt, diminishing to 15 to 20 kt with gusts up to 25 kt after midnight. Seas 3 to 5 ft. Wave Detail: W 5 ft at 5 seconds. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SUN...W winds 10 to 15 kt, becoming NW 15 to 20 kt in the afternoon. Seas 2 to 4 ft. A chance of snow. Vsby 1 NM or less. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of snow in the evening with vsby 1 NM or less. $$ ANZ152-110300- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 758 AM EST Wed Dec 10 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... ...GALE WARNING IN EFFECT FROM 1 PM EST THIS AFTERNOON THROUGH FRIDAY AFTERNOON... .REST OF TODAY...SW winds 15 to 20 kt, becoming S 20 to 25 kt late. Gusts up to 35 kt. Seas 4 to 6 ft, building to 5 to 8 ft this afternoon. Wave Detail: S 6 ft at 7 seconds and SE 4 ft at 9 seconds, becoming S 8 ft at 7 seconds. A chance of rain and snow this morning, then rain this afternoon. Vsby 1 NM or less this morning, then 1 to 3 NM late. .TONIGHT...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 in the evening with vsby 1 to 3 NM. .THU...W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 8 ft. Wave Detail: SW 7 ft at 7 seconds and S 7 ft at 8 seconds. Scattered snow showers in the afternoon. .THU NIGHT...W winds 25 to 30 kt with gusts up to 45 kt. Seas 6 to 9 ft. Wave Detail: SW 8 ft at 7 seconds and S 3 ft at 10 seconds. A chance of snow showers in the evening. Vsby 1 NM or less. .FRI...W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 8 ft. Wave Detail: W 7 ft at 6 seconds and S 3 ft at 10 seconds. .FRI NIGHT...W winds 25 to 30 kt with gusts up to 40 kt, diminishing to 15 to 20 kt with gusts up to 25 kt after midnight. Seas 4 to 6 ft. Wave Detail: W 6 ft at 6 seconds. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. A chance of snow. Vsby 1 NM or less. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of snow in the evening. Vsby 1 NM or less. $$ ANZ150-110300- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 758 AM EST Wed Dec 10 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... ...GALE WARNING IN EFFECT FROM 1 PM EST THIS AFTERNOON THROUGH FRIDAY AFTERNOON... .REST OF TODAY...SW winds 15 to 20 kt, becoming S 20 to 25 kt late. Gusts up to 35 kt. Seas 5 to 8 ft. Wave Detail: S 8 ft at 7 seconds. Snow likely early this morning. A chance of rain until late afternoon, then rain late. Vsby 1 NM or less this morning, then 1 to 3 NM late. .TONIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 8 to 10 ft, subsiding to 6 to 9 ft after midnight. Wave Detail: S 9 ft at 8 seconds. Rain, mainly in the evening with vsby 1 to 3 NM. .THU...W winds 15 to 20 kt with gusts up to 30 kt, increasing to 25 to 30 kt with gusts up to 40 kt in the afternoon. Seas 5 to 7 ft, building to 6 to 9 ft in the afternoon. Wave Detail: S 7 ft at 8 seconds, becoming SW 8 ft at 8 seconds. Scattered showers. Scattered snow showers in the afternoon. Vsby 1 to 3 NM. .THU NIGHT...W winds 25 to 30 kt with gusts up to 45 kt. Seas 7 to 10 ft. Wave Detail: SW 9 ft at 9 seconds. A chance of snow showers in the evening. Vsby 1 NM or less. .FRI...W winds 25 to 30 kt with gusts up to 40 kt. Seas 6 to 9 ft. Wave Detail: SW 8 ft at 8 seconds and S 3 ft at 10 seconds. .FRI NIGHT...W winds 25 to 30 kt with gusts up to 40 kt, diminishing to 15 to 20 kt with gusts up to 25 kt after midnight. Seas 5 to 7 ft. Wave Detail: SW 7 ft at 8 seconds. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of snow after midnight. .SUN...W winds 10 to 15 kt, becoming NW 15 to 20 kt in the afternoon. Seas 3 to 4 ft. A chance of snow. Vsby 1 NM or less. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of snow in the evening. Vsby 1 NM or less. $$ ANZ153-110300- Casco Bay- 758 AM EST Wed Dec 10 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EST THIS AFTERNOON THROUGH LATE TONIGHT... ...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY AFTERNOON... .REST OF TODAY...SW winds 10 to 15 kt with gusts up to 25 kt, becoming S 15 to 20 kt with gusts up to 30 kt late. Seas 2 to 4 ft. 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 and early afternoon. .TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Rain in the evening. .THU...W winds 15 to 20 kt with gusts up to 25 kt, increasing to 25 to 30 kt with gusts up to 35 kt in the afternoon. Seas 2 to 4 ft. .THU NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 2 to 4 ft. .FRI...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .FRI 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 2 to 4 ft. .SAT...W winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .SUN...W winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. A chance of snow. Vsby 1 NM or less. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 2 ft. A chance of snow in the evening with vsby 1 NM or less. $$ ANZ151-110300- Penobscot Bay- 758 AM EST Wed Dec 10 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EST THIS AFTERNOON THROUGH LATE TONIGHT... ...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY AFTERNOON... .REST OF TODAY...SW winds 10 to 15 kt, becoming S 15 to 20 kt late. Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 seconds. Snow likely this morning. Rain. Vsby 1 NM or less, increasing to 1 to 3 NM late. .TONIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 seconds. Rain, mainly in the evening with vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt with gusts up to 25 kt, becoming W 20 to 25 kt with gusts up to 35 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: S 4 ft at 8 seconds. Scattered showers. Scattered snow showers in the afternoon with vsby 1 to 3 NM. .THU NIGHT...W winds 20 to 25 kt with gusts up to 40 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 8 seconds. A chance of snow showers in the evening with vsby 1 NM or less. .FRI...W winds around 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 9 seconds. .FRI NIGHT...W winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. .SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...W winds 5 to 10 kt. Seas around 2 ft. A chance of snow after midnight. .SUN...W winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. A chance of snow. Vsby 1 NM or less. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of snow in the evening. Vsby 1 NM or less. $$