


Coastal Waters Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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053 FZUS51 KGYX 292103 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 502 PM EDT Fri Aug 29 2025 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM ANZ100-301000- 502 PM EDT Fri Aug 29 2025 .Synopsis for Stonington ME to Merrimack River Ma out to 25 NM A cold front will slowly slide across the waters tonight, pushing showers and thunderstorms out into the Gulf of Maine. The upper level disturbance will linger overhead through the weekend and provide chances for scattered showers. Otherwise the forecast remains dry and winds are expected to be light and seas small into early next week. $$ ANZ154-301000- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 502 PM EDT Fri Aug 29 2025 .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt with gusts up to 20 kt late this evening, then becoming W after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 5 seconds. Numerous showers and scattered tstms this evening, then scattered showers with isolated tstms after midnight. .SAT...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 5 seconds. .SAT NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds. .SUN...NW winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds. .SUN NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds. .MON...N winds around 5 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds. .MON NIGHT...S winds around 5 kt, becoming NW after midnight. Seas around 2 ft. .TUE...N winds around 5 kt, becoming SE in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. .TUE NIGHT...S winds around 5 kt, becoming W after midnight. Seas 2 to 4 ft. .WED...SW winds around 5 kt, becoming S in the afternoon. Seas 3 to 5 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. Winds and seas higher in and near tstms. $$ ANZ152-301000- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 502 PM EDT Fri Aug 29 2025 .TONIGHT...S winds 5 to 10 kt with gusts up to 20 kt, becoming W towards daybreak. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds. Scattered tstms this evening. Numerous showers. Isolated tstms after midnight. Vsby 1 to 3 NM late this evening and overnight. .SAT...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds. Scattered showers in the morning with vsby 1 to 3 NM. .SAT NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 8 seconds. .SUN...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. .SUN NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SE 2 ft at 8 seconds. .MON...N winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. .MON NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas around 2 ft. .TUE...NE winds around 5 kt, becoming SE around 5 kt in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. .TUE NIGHT...S winds around 5 kt, becoming W after midnight. Seas 2 to 4 ft. .WED...SW winds 5 to 10 kt. Seas 3 to 5 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 3 to 5 ft. Winds and seas higher in and near tstms. $$ ANZ150-301000- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 502 PM EDT Fri Aug 29 2025 .TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds. Scattered showers this evening. Scattered tstms. Numerous showers after midnight. Patchy fog late this evening and overnight with vsby 1 to 3 NM. .SAT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds. Numerous showers in the morning. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds. .SUN...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds. .SUN NIGHT...W winds around 5 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SE 2 ft at 8 seconds. .MON...N winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. .MON NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas around 2 ft. .TUE...NE winds around 5 kt, becoming SE in the afternoon. Seas 1 foot or less. .TUE NIGHT...S winds around 5 kt, becoming W after midnight. Seas 2 to 4 ft. .WED...W winds around 5 kt, becoming S in the afternoon. Seas 3 to 5 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. Winds and seas higher in and near tstms. $$ ANZ153-301000- Casco Bay- 502 PM EDT Fri Aug 29 2025 .TONIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas 2 to 3 ft. Showers and scattered tstms this evening, then scattered showers with isolated tstms after midnight. Isolated showers towards daybreak. .SAT...NW winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. .SAT NIGHT...W winds around 5 kt. Seas around 2 ft. .SUN...NW winds around 5 kt, becoming SW 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 around 5 kt, becoming SE in the afternoon. Seas around 2 ft. .MON NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas around 2 ft. .TUE...NE winds around 5 kt, becoming SE around 5 kt in the afternoon. Seas 1 foot or less. .TUE NIGHT...S winds around 5 kt, becoming W around 5 kt after midnight. Seas 1 foot or less, then around 2 ft after midnight. .WED...SW winds around 5 kt, becoming S in the afternoon. Seas 2 to 4 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. $$ ANZ151-301000- Penobscot Bay- 502 PM EDT Fri Aug 29 2025 .TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds. Numerous showers and scattered tstms. Patchy fog late this evening. Areas of fog after midnight. Vsby 1 to 3 NM late this evening and overnight. .SAT...SW winds around 5 kt. Seas around 2 ft. Numerous showers in the morning. Areas of fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...W winds around 5 kt. Seas around 2 ft. .SUN...NW winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. .SUN NIGHT...W winds around 5 kt, becoming NW after midnight. Seas around 2 ft. .MON...N winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. .MON NIGHT...SW winds around 5 kt in the evening, becoming light and variable. Seas 1 foot or less. .TUE...NE winds around 5 kt, becoming S around 5 kt in the afternoon. Seas 1 foot or less. .TUE NIGHT...SW winds around 5 kt, becoming W after midnight. Seas 1 foot or less, then 2 to 3 ft after midnight. .WED...W winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft. .WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. $$