FZUS51 KGYX 181315 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 915 AM EDT Mon May 18 2026 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM ANZ100-190315- 915 AM EDT Mon May 18 2026 .Synopsis for Stonington ME to Merrimack River Ma out to 25 NM... Ocean waters remain very cold, and air temperatures will be warming through midweek, and the warm air temperatures may cause people to underestimate the dangers of cold ocean waters. High pressure becomes centered over the western Atlantic today and Tuesday with a cold front approaching. The front crosses Wednesday afternoon and evening with winds become west to northwesterly into Wednesday night. High pressure then builds across the region through late week. $$ ANZ151-190315- Penobscot Bay- 915 AM EDT Mon May 18 2026 .REST OF TODAY...SE winds around 5 kt, becoming S this afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds. .TONIGHT...S winds around 5 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .TUE...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 to 3 NM in the morning. .TUE NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 to 4 ft. Wave Detail: S 3 ft at 6 seconds. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds. A chance of showers in the afternoon. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 6 seconds. A chance of showers in the evening. .THU...NW winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .FRI...W winds around 5 kt, becoming SW with gusts up to 20 kt in the afternoon. Seas around 2 ft. .FRI NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt, becoming W after midnight. Seas around 2 ft. $$ ANZ153-190315- Casco Bay- 915 AM EDT Mon May 18 2026 .REST OF TODAY...SE winds 5 to 10 kt. Seas around 2 ft. A slight chance of showers late this morning. .TONIGHT...S winds around 5 kt. Seas 2 to 3 ft. Patchy fog after midnight with vsby 1 to 3 NM. .TUE...SW 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. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers in the afternoon. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers in the evening. .THU...NW winds 10 to 15 kt. Seas 2 to 3 ft. .THU NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .FRI...W winds around 5 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to around 5 kt after midnight. Seas around 2 ft. $$ ANZ150-190315- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 915 AM EDT Mon May 18 2026 .REST OF TODAY...SE winds 5 to 10 kt, becoming S late. Seas around 3 ft. Wave Detail: S 3 ft at 8 seconds. .TONIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 8 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: S 4 ft at 6 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 7 seconds. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: S 6 ft at 7 seconds. A chance of showers in the afternoon. .WED NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: S 5 ft at 7 seconds and NW 3 ft at 2 seconds. .THU...NW winds 10 to 15 kt, becoming W in the afternoon. Seas 2 to 4 ft. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 3 ft. .FRI...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. $$ ANZ152-190315- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 915 AM EDT Mon May 18 2026 .REST OF TODAY...E winds 5 to 10 kt, becoming SE late. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds. A slight chance of showers late this morning. .TONIGHT...SE winds 5 to 10 kt, becoming S 10 to 15 kt after midnight. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 8 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: S 4 ft at 5 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 6 seconds. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 7 seconds. A chance of showers in the afternoon. .WED NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Seas 3 to 5 ft. Wave Detail: S 4 ft at 7 seconds and W 3 ft at 3 seconds. A chance of showers in the evening. .THU...NW winds 10 to 15 kt, becoming W in the afternoon. Seas 2 to 4 ft. .THU NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .FRI...NW winds around 5 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. $$ ANZ154-190315- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 915 AM EDT Mon May 18 2026 .REST OF TODAY...E winds 5 to 10 kt, becoming SE late. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 8 seconds. .TONIGHT...SE winds 5 to 10 kt, becoming SW 10 to 15 kt after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 5 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 5 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 6 seconds. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds. A chance of showers in the afternoon. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 6 seconds and W 2 ft at 3 seconds. A chance of showers in the evening. .THU...N winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .THU NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. .FRI...NW winds around 5 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt after midnight. Seas around 2 ft. $$ ANZ180-190315- Waters from Stonington ME to Port Clyde ME from 25 to 60 NM- 915 AM EDT Mon May 18 2026 .REST OF TODAY...E winds 5 to 10 kt, becoming SE late. Seas around 3 ft. Wave Detail: S 3 ft at 8 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 8 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .TUE...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 6 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: SW 7 ft at 7 seconds. .WED...SW winds around 20 kt with gusts up to 25 kt. Seas 6 to 7 ft. Wave Detail: SW 6 ft at 7 seconds. .WED NIGHT...W winds around 20 kt, becoming NW after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SW 5 ft at 6 seconds. .THU...NW winds 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .FRI...NW winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. $$ ANZ182-190315- Waters from Port Clyde ME to Cape Elizabeth ME from 25 to 60 NM- 915 AM EDT Mon May 18 2026 .REST OF TODAY...E winds 5 to 10 kt, becoming SE late. Seas around 3 ft. Wave Detail: S 3 ft at 8 seconds. .TONIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 5 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .TUE...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 5 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...SW winds around 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: S 6 ft at 7 seconds. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: S 6 ft at 7 seconds. A chance of showers in the afternoon. .WED NIGHT...W winds 15 to 20 kt, becoming NW after midnight. Seas 4 to 6 ft. Wave Detail: S 5 ft at 7 seconds and NW 4 ft at 5 seconds. A chance of showers in the evening. .THU...NW winds 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Seas 3 to 5 ft, subsiding to 2 to 3 ft in the afternoon. .THU NIGHT...W winds 10 to 15 kt, becoming NW after midnight. Seas 2 to 3 ft. .FRI...NW winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. $$ ANZ184-190315- Waters from Cape Elizabeth ME to Merrimack River MA from 25 to 60 NM- 915 AM EDT Mon May 18 2026 .REST OF TODAY...E winds 5 to 10 kt, becoming SE late. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 8 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .TUE...SW winds 15 to 20 kt. Gusts up to 30 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: S 4 ft at 5 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 6 seconds. .WED...SW winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 7 seconds and W 2 ft at 4 seconds. A chance of showers in the afternoon. .WED NIGHT...W winds 15 to 20 kt, becoming NW after midnight. Seas 3 to 5 ft. Wave Detail: W 3 ft at 4 seconds and S 3 ft at 7 seconds. A chance of showers in the evening. .THU...N winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .THU NIGHT...W winds around 10 kt, becoming NW after midnight. Seas around 2 ft. .FRI...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt after midnight. Seas around 2 ft. $$