


Coastal Waters Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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610 FZUS51 KGYX 241007 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 606 AM EDT Sun Aug 24 2025 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM ANZ100-242300- 606 AM EDT Sun Aug 24 2025 .Synopsis for Stonington ME to Merrimack River Ma out to 25 NM Residual swell will continue to gradually diminish today. Southerly winds will remain gusty at times through Sunday morning. A cold front will approach the waters on Monday and turn winds offshore after it crosses. An offshore low pressure system may bring seas back up to near 5 ft outside of the bays midweek. $$ ANZ154-242300- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 606 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...S winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt late this morning and afternoon. Seas 5 to 6 ft. Wave Detail: E 5 ft at 11 seconds and S 4 ft at 5 seconds. .TONIGHT...S winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. Wave Detail: S 5 ft at 5 seconds and E 3 ft at 11 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .MON...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds. Patchy fog in the morning. A chance of showers. Vsby 1 to 3 NM in the morning. .MON NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 9 seconds. A chance of showers in the evening. .TUE...W winds around 10 kt. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 9 seconds. .TUE NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 8 seconds. .WED...W winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to 3 ft. .WED NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas around 3 ft. .THU...W winds 5 to 10 kt, becoming S with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. $$ ANZ152-242300- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 606 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...S winds 15 to 20 kt. Gusts up to 30 kt late. Seas 4 to 6 ft. Wave Detail: S 4 ft at 6 seconds and E 4 ft at 11 seconds. .TONIGHT...S winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 5 ft. Wave Detail: S 4 ft at 5 seconds and SE 2 ft at 9 seconds. Patchy fog. Vsby 1 to 3 NM. .MON...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and E 2 ft at 9 seconds. Patchy fog in the morning. A chance of showers. Vsby 1 to 3 NM in the morning. .MON NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas 2 to 4 ft, building to 4 to 6 ft after midnight. Wave Detail: SE 3 ft at 7 seconds, becoming S 5 ft at 9 seconds. A chance of showers in the evening. .TUE...W winds 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: SE 5 ft at 9 seconds. .TUE NIGHT...W winds 5 to 10 kt with gusts up to 20 kt, becoming NW after midnight. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds and S 2 ft at 7 seconds. .WED...W winds around 5 kt, becoming SW in the afternoon. Seas around 3 ft. .WED NIGHT...W winds 5 to 10 kt. Seas around 3 ft. .THU...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. $$ ANZ150-242300- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 606 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: S 4 ft at 6 seconds and SE 3 ft at 11 seconds. .TONIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 5 seconds and SE 2 ft at 9 seconds. Patchy fog. A chance of showers after midnight. Vsby 1 to 3 NM. .MON...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 9 seconds. Patchy fog in the morning. Showers likely, mainly in the morning with vsby 1 to 3 NM. .MON NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas 2 to 4 ft, building to 4 to 6 ft after midnight. Wave Detail: SE 3 ft at 7 seconds, becoming S 6 ft at 9 seconds. A chance of showers in the evening. .TUE...W winds 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: SE 6 ft at 9 seconds. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds. .WED...W winds around 5 kt, becoming SW in the afternoon. Seas 3 to 4 ft. .WED NIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft. .THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. $$ ANZ153-242300- Casco Bay- 606 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...S winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt late this morning and afternoon. Seas 2 to 4 ft. .TONIGHT...S winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft. Patchy fog after midnight with vsby 1 to 3 NM. .MON...S winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog in the morning. A chance of showers. Vsby 1 to 3 NM in the morning. .MON NIGHT...S winds around 5 kt, becoming W after midnight. Seas 2 to 4 ft. A chance of showers in the evening. .TUE...W winds 5 to 10 kt. Seas 2 to 4 ft. .TUE NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. .WED...W winds around 5 kt, becoming SW in the afternoon. Seas 2 to 3 ft. .WED NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .THU...W winds 5 to 10 kt, becoming S with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .THU NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt, becoming W after midnight. Seas 2 to 3 ft. $$ ANZ151-242300- Penobscot Bay- 606 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds. .TONIGHT...S winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds. Patchy fog. Vsby 1 to 3 NM. .MON...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds. Patchy fog in the morning. A chance of showers. Vsby 1 to 3 NM in the morning. .MON NIGHT...S winds around 5 kt, becoming W after midnight. Seas 2 to 4 ft. Wave Detail: S 3 ft at 9 seconds. A chance of showers in the evening. .TUE...W winds 5 to 10 kt. Seas 2 to 4 ft. .TUE NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. .WED...W winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .THU...SW winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. $$