Coastal Waters Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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248 FZUS51 KGYX 071756 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 1256 PM EST Sun Dec 7 2025 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM ANZ100-080800- 1256 PM EST Sun Dec 7 2025 .Synopsis for Stonington ME to Merrimack River Ma out to 25 NM... Low pressure quickly passes through northern New England tonight, strengthening as it enters the Gulf of Maine Monday. High pressure moves overhead Monday night and Tuesday. Low pressure slides through New England Tuesday night, 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 could bring additional gale conditions to the coastal waters. $$ ANZ154-080800- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 1256 PM EST Sun Dec 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE MONDAY NIGHT... .THIS AFTERNOON...NW winds around 5 kt, becoming S late. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 9 seconds. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 20 to 25 kt with gusts up to 30 kt after midnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at 4 seconds and SE 3 ft at 9 seconds. .MON...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 4 seconds and SE 3 ft at 9 seconds. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 4 seconds and E 2 ft at 8 seconds. .TUE...W winds 5 to 10 kt, becoming SW 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds. .TUE NIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 5 seconds and SE 4 ft at 9 seconds. A chance of rain and snow. Vsby 1 to 3 NM. .WED...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of rain in the morning, then rain likely in the afternoon. Vsby 1 to 3 NM in the morning. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Rain likely, mainly in the evening. .THU...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft, subsiding to 2 to 4 ft in the afternoon. .THU NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft. $$ ANZ152-080800- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 1256 PM EST Sun Dec 7 2025 ...GALE WARNING IN EFFECT FROM MONDAY MORNING THROUGH MONDAY AFTERNOON... .THIS AFTERNOON...NW winds 5 to 10 kt, becoming W late. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and SE 2 ft at 9 seconds. A slight chance of snow late. .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming NW 25 to 30 kt with gusts up to 35 kt after midnight. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. Wave Detail: SE 3 ft at 9 seconds, becoming SW 3 ft at 4 seconds and SE 3 ft at 9 seconds. Snow likely, mainly in the evening. Vsby 1 NM or less. .MON...NW winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 4 seconds and SE 3 ft at 9 seconds. .MON NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 4 seconds and SE 2 ft at 9 seconds. .TUE...W winds 5 to 10 kt, becoming SW 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds. .TUE NIGHT...SW winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 7 ft. Wave Detail: SW 6 ft at 6 seconds and S 6 ft at 9 seconds. Snow and rain likely in the evening, then rain likely with a chance of snow after midnight. Vsby 1 NM or less. .WED...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of rain in the morning, then rain likely in the afternoon. Vsby 1 to 3 NM in the morning. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. Rain likely, mainly in the evening. .THU...W winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. .THU NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 5 ft. $$ ANZ150-080800- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 1256 PM EST Sun Dec 7 2025 ...GALE WARNING IN EFFECT FROM MONDAY MORNING THROUGH MONDAY AFTERNOON... .THIS AFTERNOON...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and W 2 ft at 4 seconds. .TONIGHT...E winds 10 to 15 kt with gusts up to 20 kt, becoming NW 20 to 25 kt with gusts up to 35 kt after midnight. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 9 seconds and W 2 ft at 4 seconds. Snow in the evening, then snow with a chance of showers after midnight. Vsby 1 NM or less. .MON...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 5 seconds and SE 3 ft at 8 seconds. .MON NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 5 seconds and SE 2 ft at 9 seconds. .TUE...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds. .TUE NIGHT...SW winds 25 to 30 kt with gusts up to 40 kt. Seas 4 to 6 ft, building to 5 to 8 ft after midnight. Wave Detail: SW 6 ft at 6 seconds, becoming SW 7 ft at 7 seconds. Rain and snow likely. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .WED...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Rain likely. Vsby 1 to 3 NM in the morning. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft, building to 5 to 8 ft after midnight. Rain likely. .THU...W winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 8 ft, subsiding to 5 to 6 ft in the afternoon. A chance of rain in the morning. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. $$ ANZ153-080800- Casco Bay- 1256 PM EST Sun Dec 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY EVENING... .THIS AFTERNOON...NW winds around 5 kt, becoming S late. Seas around 2 ft. A chance of snow late with vsby 1 to 3 NM. .TONIGHT...S winds 5 to 10 kt, becoming NW 15 to 20 kt with gusts up to 30 kt after midnight. Seas 2 to 3 ft. Snow likely, mainly in the evening. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .MON...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. .TUE...W winds around 5 kt, becoming SW 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. A chance of snow and rain 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...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of rain and snow in the morning, then rain likely in the afternoon. Vsby 1 to 3 NM. .WED NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft. Rain likely, mainly in the evening. .THU...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .THU NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. $$ ANZ151-080800- Penobscot Bay- 1256 PM EST Sun Dec 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY EVENING... .THIS AFTERNOON...NW winds 5 to 10 kt. Seas around 2 ft. A slight chance of snow late. .TONIGHT...NE winds around 5 kt, becoming N 15 to 20 kt with gusts up to 30 kt after midnight. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 8 seconds. Snow. Vsby 1 NM or less. .MON...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds. .MON NIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds. .TUE...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and SW 2 ft at 3 seconds. Snow likely in the evening, then snow and rain likely after midnight. Vsby 1 NM or less. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of rain in the morning, then rain likely in the afternoon. Vsby 1 to 3 NM. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Rain likely. Vsby 1 to 3 NM after midnight. .THU...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of rain in the morning with vsby 1 to 3 NM. .THU NIGHT...NW winds around 10 kt. Seas 2 to 4 ft. $$