


Coastal Waters Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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465 FZUS51 KGYX 110901 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 500 AM EDT Mon Aug 11 2025 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM ANZ100-112200- 500 AM EDT Mon Aug 11 2025 .Synopsis for Stonington ME to Merrimack River Ma out to 25 NM The weather remains in the grips of high pressure through early this week with prevailing south to southwest flow. A cold front approaches toward midweek and crosses the waters late Thursday or Thursday night. High pressure builds in behind the front by late week. Overall winds are expected to remain light with seas below 5 feet. $$ ANZ154-112200- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 500 AM EDT Mon Aug 11 2025 .TODAY...S winds 5 to 10 kt. Seas 2 to 3 ft. SE swell 2 to 3 ft at 8 seconds. Light swells. Patchy fog early this morning with vsby 1 to 3 NM. .TONIGHT...SW winds 5 to 10 kt. Seas around 3 ft. E swell 2 to 3 ft at 8 seconds. Light swells. .TUE...SW winds 5 to 10 kt. Seas around 3 ft. E swell around 3 ft at 9 seconds. Light swells. .TUE NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas around 3 ft. E swell around 3 ft at 8 seconds. Light swells. Patchy fog after midnight with vsby 1 to 3 NM. .WED...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas around 3 ft. E swell 2 to 3 ft at 8 seconds. Light swells. Patchy fog in the morning with vsby 1 to 3 NM. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 3 ft. E swell 2 to 4 ft at 6 seconds. Light swells. A chance of showers. .THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. SE swell 2 to 3 ft at 7 seconds. Light swells. A chance of showers. .THU NIGHT...W winds 5 to 10 kt, becoming N with gusts up to 20 kt after midnight. Seas around 2 ft. SE swell around 2 ft at 8 seconds. Light swells. A chance of showers in the evening. .FRI...NE winds 5 to 10 kt with gusts up to 20 kt, becoming E in the afternoon. Seas around 2 ft. SE swell around 2 ft at 8 seconds. Light swells. .FRI NIGHT...S winds around 5 kt, becoming W after midnight. Seas around 2 ft. SE swell around 2 ft at 8 seconds. Light swells. $$ ANZ152-112200- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 500 AM EDT Mon Aug 11 2025 .TODAY...S winds 5 to 10 kt. Seas 2 to 3 ft. SE swell 2 to 4 ft at 8 seconds. Light swells. Patchy fog early this morning with vsby 1 NM or less. .TONIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. SE swell 2 to 4 ft at 8 seconds. Light swells. Patchy fog in the evening. Areas of fog after midnight. Vsby 1 to 3 NM. .TUE...SW winds 5 to 10 kt. Seas around 3 ft. E swell 2 to 3 ft at 8 seconds. Light swells. Patchy fog. Vsby 1 to 3 NM. .TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. E swell 2 to 3 ft at 8 seconds. Light swells. Patchy fog. Vsby 1 to 3 NM. .WED...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. E swell 2 to 3 ft at 7 seconds. Light swells. Patchy fog in the morning with vsby 1 to 3 NM. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 3 ft. SE swell 2 to 3 ft at 6 seconds. Light swells. A chance of showers. .THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. S swell 2 to 3 ft at 7 seconds. Light swells. A chance of showers. .THU NIGHT...W winds 5 to 10 kt, becoming N with gusts up to 20 kt after midnight. Seas 2 to 3 ft. S swell 2 to 3 ft at 7 seconds. Light swells. .FRI...N winds 5 to 10 kt with gusts up to 20 kt, becoming SE in the afternoon. Seas 2 to 3 ft. SE swell 2 to 3 ft at 8 seconds. Light swells. .FRI NIGHT...SW winds around 5 kt, becoming W after midnight. Seas around 2 ft. SE swell around 2 ft at 8 seconds. Light swells. $$ ANZ150-112200- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 500 AM EDT Mon Aug 11 2025 .TODAY...S winds 5 to 10 kt. Seas 2 to 3 ft. SE swell 2 to 3 ft at 8 seconds. Light swells. Patchy dense fog early this morning with vsby 1 NM or less. .TONIGHT...S winds 5 to 10 kt. Seas around 3 ft. SE swell 2 to 3 ft at 8 seconds. Light swells. Areas of fog. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .TUE...S winds 5 to 10 kt. Seas 2 to 3 ft. SE swell 2 to 3 ft at 8 seconds. Light swells. Areas of fog in the morning, then patchy fog in the afternoon. Vsby 1 to 3 NM. .TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. SE swell 2 to 3 ft at 8 seconds. Light swells. Patchy fog. Vsby 1 to 3 NM. .WED...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. SE swell 2 to 3 ft at 7 seconds. Light swells. Patchy fog in the morning with vsby 1 to 3 NM. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. S swell 2 to 3 ft at 6 seconds. Light swells. A chance of showers. .THU...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. S swell 2 to 3 ft at 6 seconds. Light swells. A chance of showers. .THU NIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. S swell 2 to 3 ft at 7 seconds. Light swells. A chance of showers in the evening. .FRI...N winds 5 to 10 kt with gusts up to 20 kt, becoming SE in the afternoon. Seas 2 to 3 ft. SE swell 2 to 3 ft at 8 seconds. Light swells. .FRI NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. SE swell around 2 ft at 8 seconds. Light swells. $$ ANZ153-112200- Casco Bay- 500 AM EDT Mon Aug 11 2025 .TODAY...SW winds around 5 kt, becoming S this afternoon. Seas 2 to 3 ft. E swell up to 3 ft at 4 seconds. Light swells. Patchy fog early this morning with vsby 1 to 3 NM. .TONIGHT...SW winds around 5 kt. Seas 2 to 3 ft. E swell up to 3 ft at 4 seconds. Light swells. Patchy fog after midnight with vsby 1 to 3 NM. .TUE...SW winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft. E swell up to 3 ft at 4 seconds. Light swells. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. E swell up to 3 ft at 6 seconds. Light swells. Patchy fog after midnight with vsby 1 to 3 NM. .WED...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. E swell up to 3 ft at 7 seconds. Light swells. Patchy fog in the morning with vsby 1 to 3 NM. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. E swell up to 3 ft at 5 seconds. Light swells. A chance of showers. .THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. S swell up to 3 ft at 5 seconds. Light swells. A chance of showers in the afternoon. .THU NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft. SE swell up to 2 ft at 5 seconds. Light swells. .FRI...N winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. SE swell up to 2 ft at 4 seconds. Light swells. .FRI NIGHT...SW winds around 5 kt, becoming W around 5 kt after midnight. Seas around 2 ft. SE swell up to 2 ft at 4 seconds. Light swells. $$ ANZ151-112200- Penobscot Bay- 500 AM EDT Mon Aug 11 2025 .TODAY...S winds around 5 kt, increasing to 5 to 10 kt this afternoon. Seas around 2 ft. SE swell up to 2 ft at 5 seconds. Light swells. Patchy dense fog early this morning with vsby 1 NM or less. .TONIGHT...S winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft. SE swell up to 2 ft at 5 seconds. Light swells. Areas of fog. Vsby 1 to 3 NM. .TUE...S winds around 5 kt. Seas 1 foot or less. SE swell up to 2 ft at 6 seconds. Light swells. Areas of fog in the morning, then patchy fog in the afternoon. Vsby 1 to 3 NM. .TUE NIGHT...S winds around 5 kt. Seas 1 foot or less. SE swell up to 2 ft at 7 seconds. Light swells. Patchy fog. Vsby 1 to 3 NM. .WED...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. S swell up to 2 ft at 7 seconds. Light swells. Patchy fog in the morning with vsby 1 to 3 NM. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. S swell up to 3 ft at 6 seconds. Light swells. A chance of showers. .THU...SW winds 5 to 10 kt. Seas around 2 ft. S swell 2 to 3 ft at 6 seconds. Light swells. A chance of showers. .THU NIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft. S swell up to 2 ft at 6 seconds. Light swells. A chance of showers in the evening. .FRI...N winds 5 to 10 kt, becoming W in the afternoon. Seas around 2 ft. S swell up to 2 ft at 6 seconds. Light swells. .FRI NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas around 2 ft in the evening, then 1 foot or less. SE swell up to 2 ft at 6 seconds. Light swells. $$