


Coastal Waters Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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603 FZUS51 KGYX 281007 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 606 AM EDT Thu Aug 28 2025 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM ANZ100-282300- 606 AM EDT Thu Aug 28 2025 .Synopsis for Stonington ME to Merrimack River Ma out to 25 NM High pressure moves east of the waters today and tonight. A cold front approaches on Friday bringing showers and thunderstorms to the waters. Upper level low pressure remains west of the waters this weekend. High pressure then builds in behind the front for the second half of the weekend and early next week. $$ ANZ154-282300- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 606 AM EDT Thu Aug 28 2025 .TODAY...W winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and S 2 ft at 3 seconds. .TONIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas around 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 2 ft at 9 seconds. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 2 ft at 8 seconds. Numerous showers in the morning, then showers and scattered tstms in the afternoon. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds. Showers and scattered tstms in the evening, then a chance of showers after midnight. .SAT...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 6 seconds. .SAT NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds. .SUN...NW winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft. .SUN NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas around 2 ft. .MON...N winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. .MON NIGHT...S winds around 5 kt, becoming W after midnight. Seas around 2 ft. Winds and seas higher in and near tstms. $$ ANZ152-282300- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 606 AM EDT Thu Aug 28 2025 .TODAY...W winds around 5 kt, becoming S with gusts up to 20 kt this afternoon. Seas around 3 ft. Wave Detail: SE 3 ft at 9 seconds and S 2 ft at 7 seconds. .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 2 ft at 9 seconds. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 8 seconds. Numerous showers. Scattered tstms in the afternoon. .FRI NIGHT...S winds 5 to 10 kt with gusts up to 20 kt, becoming SW after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds. A chance of tstms in the evening. Showers likely. .SAT...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds. A chance of showers. .SAT NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds. .SUN...NW winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. .SUN NIGHT...W winds around 5 kt, becoming NW after midnight. Seas around 2 ft. .MON...N winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. .MON NIGHT...W winds around 5 kt. Seas around 2 ft. Winds and seas higher in and near tstms. $$ ANZ150-282300- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 606 AM EDT Thu Aug 28 2025 .TODAY...W winds around 5 kt, becoming S this afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and S 2 ft at 7 seconds. .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and SE 2 ft at 9 seconds. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 8 seconds. Scattered showers in the morning, then numerous showers in the afternoon. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds. A chance of tstms in the evening. Showers. .SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds. Showers likely, mainly in the morning. .SAT NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds. .SUN...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. .SUN NIGHT...W winds around 5 kt. Seas around 2 ft. .MON...N winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft. .MON NIGHT...W winds around 5 kt. Seas around 2 ft in the evening, then 1 foot or less. Winds and seas higher in and near tstms. $$ ANZ153-282300- Casco Bay- 606 AM EDT Thu Aug 28 2025 .TODAY...W winds around 5 kt, becoming SW late this morning, then becoming S 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 2 to 3 ft. .TONIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. .FRI...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Numerous showers in the morning, then showers and scattered tstms in the afternoon. .FRI NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas 2 to 3 ft. Showers and scattered tstms in the evening, then a chance of showers after midnight. .SAT...NW winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. A chance of showers in the morning. .SAT NIGHT...W winds around 5 kt. Seas around 2 ft. .SUN...NW winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. .SUN NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas around 2 ft. .MON...N winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. .MON NIGHT...SW winds around 5 kt, becoming W after midnight. Seas around 2 ft in the evening, then 1 foot or less. Winds and seas higher in and near tstms. $$ ANZ151-282300- Penobscot Bay- 606 AM EDT Thu Aug 28 2025 .TODAY...SW winds around 5 kt, becoming S this afternoon. Seas around 2 ft. .TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. .FRI...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds. Numerous showers. Scattered tstms in the afternoon. .FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds. A chance of tstms in the evening. Showers. .SAT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds. Showers likely, mainly in the morning. .SAT NIGHT...W winds around 5 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: S 2 ft at 5 seconds. .SUN...NW winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. .SUN NIGHT...W winds around 5 kt, becoming NW after midnight. Seas 1 foot or less. .MON...N winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. .MON NIGHT...W winds around 5 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. $$