Coastal Waters Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
664 FZUS51 KGYX 132102 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 502 PM EDT Tue Oct 13 2026 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 60 NM ANZ100-141000- 502 PM EDT Tue Oct 13 2026 .Synopsis for Stonington ME to Merrimack River Ma out to 60 NM... A warm front with weak low pressure will slowly lift north across the waters through tonight. Winds turn northwesterly Wednesday as a cold front crosses the waters, and may be gusty from Casco Bay north. High pressure enters the region Thursday, with low pressure advancing towards New England Friday morning. This strong system passes through the region Friday into Saturday morning, with Gale conditions likely for most of the waters through Saturday night. $$ ANZ151-141000- Penobscot Bay- 502 PM EDT Tue Oct 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY... .TONIGHT...SE winds 15 to 20 kt, diminishing to 10 to 15 kt towards daybreak. Gusts up to 30 kt until early morning. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 4 seconds and S 2 ft at 9 seconds. Rain. Areas of fog late this evening and overnight. Vsby 1 to 3 NM. .WED...SW winds 5 to 10 kt, becoming W in the afternoon. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds. Areas of fog in the morning with vsby 1 to 3 NM. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. .THU...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and S 2 ft at 7 seconds. .THU NIGHT...N winds around 5 kt, becoming NE around 5 kt after midnight. Seas around 2 ft in the evening, then 1 foot or less. .FRI...SE winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: S 3 ft at 4 seconds. Showers. .FRI NIGHT...SW winds 15 to 20 kt, becoming W after midnight. Gusts up to 35 kt. Seas 2 to 4 ft. Showers. .SAT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 2 to 4 ft. .SAT NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .SUN...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .SUN NIGHT...NW winds 5 to 10 kt, becoming S after midnight. Seas around 2 ft in the evening, then 1 foot or less. $$ ANZ153-141000- Casco Bay- 502 PM EDT Tue Oct 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY... .TONIGHT...SE winds 15 to 20 kt with gusts up to 25 kt, diminishing to 10 to 15 kt with gusts up to 25 kt late this evening, then becoming S 5 to 10 kt with gusts up to 20 kt after midnight, becoming SW towards daybreak. Seas 2 to 4 ft. Rain with a slight chance of tstms, mainly this evening. Patchy fog early this evening. Areas of fog late this evening and early morning, then areas of fog towards daybreak. Vsby 1 NM or less, increasing to 1 to 3 NM late this evening and early morning, decreasing to 1 NM or less. .WED...W winds 5 to 10 kt. Seas 2 to 4 ft. Areas of fog in the morning with vsby 1 NM or less. .WED NIGHT...NW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft. .THU...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .THU NIGHT...N winds around 5 kt, becoming E after midnight. Seas around 2 ft in the evening, then 1 foot or less. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers. .FRI NIGHT...W winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 35 kt. Seas 2 to 4 ft. Showers, mainly in the evening. .SAT...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 2 to 4 ft. .SAT NIGHT...NW winds 20 to 25 kt with gusts up to 40 kt, becoming W 15 to 20 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft. .SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 1 foot or less, then 1 to 2 ft after midnight. Winds and seas higher in and near tstms. $$ ANZ150-141000- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 502 PM EDT Tue Oct 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON... .TONIGHT...SE winds 15 to 20 kt with gusts up to 30 kt, becoming S 10 to 15 kt with gusts up to 20 kt towards daybreak. Seas 4 to 6 ft. Wave Detail: SE 6 ft at 6 seconds and S 3 ft at 9 seconds. Rain until early morning. A slight chance of tstms late this evening and overnight. A chance of rain towards daybreak. Patchy fog late this evening and early morning. Patchy fog towards daybreak. Vsby 1 to 3 NM, decreasing to 1 NM or less towards daybreak. .WED...W winds 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: SE 6 ft at 7 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt after midnight. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds and NW 3 ft at 3 seconds. .THU...NW winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 4 seconds and S 3 ft at 7 seconds. .THU NIGHT...N winds 5 to 10 kt, becoming E after midnight. Seas around 2 ft. Wave Detail: NW 2 ft at 4 seconds and SE 2 ft at 6 seconds. .FRI...S winds 15 to 20 kt with gusts up to 30 kt. Seas around 2 ft, building to 3 to 5 ft in the afternoon. Wave Detail: SE 2 ft at 4 seconds, becoming S 5 ft at 5 seconds. Showers. .FRI NIGHT...SW winds 25 to 30 kt, becoming W after midnight. Gusts up to 45 kt. Seas 5 to 7 ft. Showers. .SAT...NW winds 25 to 30 kt with gusts up to 45 kt. Seas 6 to 9 ft. .SAT NIGHT...NW winds 25 to 30 kt. Gusts up to 45 kt, decreasing to 35 kt after midnight. Seas 5 to 8 ft, subsiding to 4 to 6 ft after midnight. .SUN...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. .SUN NIGHT...NW winds 10 to 15 kt, becoming SW after midnight. Seas 2 to 3 ft. Winds and seas higher in and near tstms. $$ ANZ152-141000- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 502 PM EDT Tue Oct 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON... .TONIGHT...SE winds 15 to 20 kt with gusts up to 30 kt, becoming S 10 to 15 kt with gusts up to 25 kt after midnight. Seas 5 to 6 ft. Wave Detail: SE 5 ft at 7 seconds and S 2 ft at 9 seconds. Rain until early morning. A slight chance of tstms late this evening and overnight. A chance of rain towards daybreak. Patchy fog late this evening and early morning. Patchy fog towards daybreak. Vsby 1 to 3 NM, decreasing to 1 NM or less towards daybreak. .WED...W winds 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: SE 5 ft at 7 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt after midnight. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and NW 3 ft at 3 seconds. .THU...NW winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 4 seconds and S 3 ft at 7 seconds. .THU NIGHT...N winds around 5 kt, becoming E after midnight. Seas around 2 ft in the evening, then 1 foot or less. .FRI...S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. Wave Detail: SE 3 ft at 3 seconds, becoming S 5 ft at 5 seconds. Showers. .FRI NIGHT...SW winds 25 to 30 kt, becoming W after midnight. Gusts up to 45 kt. Seas 5 to 7 ft. Showers. .SAT...NW winds 25 to 35 kt with gusts up to 50 kt. Seas 6 to 9 ft. .SAT NIGHT...NW winds 25 to 30 kt. Gusts up to 45 kt, decreasing to 35 kt after midnight. Seas 5 to 7 ft. .SUN...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .SUN NIGHT...W winds 10 to 15 kt, becoming SW after midnight. Seas 2 to 3 ft. Winds and seas higher in and near tstms. $$ ANZ154-141000- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 502 PM EDT Tue Oct 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON... .TONIGHT...SE winds 15 to 20 kt, becoming S 10 to 15 kt late this evening and early morning, then becoming SW towards daybreak. Seas 4 to 6 ft. Wave Detail: SE 5 ft at 8 seconds. Rain with a chance of tstms early this evening, then a chance of rain and tstms late this evening and early morning. Patchy fog this evening. Patchy fog after midnight. Patchy fog towards daybreak. Vsby 1 NM or less. .WED...W winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 7 seconds. Patchy fog in the morning with vsby 1 NM or less. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds and NW 2 ft at 3 seconds. .THU...NW winds 10 to 15 kt, becoming N 5 to 10 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: E 3 ft at 7 seconds and NW 2 ft at 3 seconds. .THU NIGHT...N winds around 5 kt, becoming SE after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: NE 2 ft at 6 seconds. .FRI...S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. Wave Detail: S 3 ft at 4 seconds, becoming S 4 ft at 6 seconds. Showers. .FRI NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas 4 to 6 ft. Showers, mainly in the evening. .SAT...NW winds 25 to 30 kt with gusts up to 45 kt. Seas 4 to 6 ft. .SAT NIGHT...NW winds 20 to 25 kt with gusts up to 40 kt, becoming W 15 to 20 kt with gusts up to 30 kt after midnight. Seas 3 to 5 ft. .SUN...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 1 foot or less, then 2 to 3 ft after midnight. Winds and seas higher in and near tstms. $$ ANZ180-141000- Waters from Stonington ME to Port Clyde ME from 25 to 60 NM- 502 PM EDT Tue Oct 13 2026 .TONIGHT...SE winds around 20 kt, becoming S towards daybreak. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: SE 6 ft at 7 seconds. Rain until early morning. A slight chance of tstms late this evening and overnight. A chance of rain towards daybreak. Vsby 1 to 3 NM. .WED...SW winds 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: S 6 ft at 7 seconds. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt, increasing to 20 to 25 kt with gusts up to 35 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 5 seconds and S 4 ft at 7 seconds. .THU...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas 5 to 6 ft, subsiding to 3 to 5 ft in the afternoon. Wave Detail: NW 6 ft at 5 seconds and S 3 ft at 7 seconds, becoming NW 5 ft at 5 seconds and S 2 ft at 7 seconds. .THU NIGHT...N winds 5 to 10 kt with gusts up to 20 kt, becoming E after midnight. Seas 2 to 3 ft. Wave Detail: N 3 ft at 6 seconds. .FRI...S winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas 2 to 3 ft, building to 4 to 6 ft in the afternoon. Wave Detail: SE 3 ft at 4 seconds, becoming S 6 ft at 6 seconds. Showers. .FRI NIGHT...SW winds 25 to 30 kt, becoming W after midnight. Gusts up to 45 kt. Seas 6 to 8 ft, building to 7 to 10 ft after midnight. Showers, mainly in the evening. .SAT...NW winds 30 to 35 kt with gusts up to 50 kt. Seas 9 to 13 ft. A chance of showers in the morning. .SAT NIGHT...NW winds 25 to 30 kt with gusts up to 45 kt. Seas 9 to 12 ft, subsiding to 7 to 10 ft after midnight. .SUN...NW winds 20 to 25 kt, becoming W 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas 5 to 8 ft. .SUN NIGHT...W winds 15 to 20 kt, becoming SW 10 to 15 kt after midnight. Seas 2 to 4 ft. Winds and seas higher in and near tstms. $$ ANZ182-141000- Waters from Port Clyde ME to Cape Elizabeth ME from 25 to 60 NM- 502 PM EDT Tue Oct 13 2026 .TONIGHT...S winds 15 to 20 kt, becoming SW towards daybreak. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: SE 6 ft at 7 seconds. Rain until early morning. A chance of tstms late this evening and early morning, then a chance of rain with a slight chance of tstms towards daybreak. Vsby 1 to 3 NM. .WED...SW winds 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: S 6 ft at 7 seconds. .WED NIGHT...NW winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 4 seconds and S 4 ft at 7 seconds. .THU...NW winds 20 to 25 kt with gusts up to 35 kt, diminishing to 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 5 seconds and S 3 ft at 7 seconds. .THU NIGHT...N winds 5 to 10 kt, becoming E after midnight. Seas 2 to 3 ft. Wave Detail: N 2 ft at 5 seconds. .FRI...S winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas 2 to 3 ft, building to 5 to 7 ft in the afternoon. Wave Detail: S 3 ft at 4 seconds, becoming S 6 ft at 6 seconds. Showers. .FRI NIGHT...SW winds 25 to 30 kt, becoming W 30 to 35 kt after midnight. Gusts up to 45 kt. Seas 6 to 7 ft, building to 7 to 10 ft after midnight. Showers, mainly in the evening. .SAT...NW winds 30 to 40 kt with gusts up to 50 kt. Seas 9 to 13 ft. A chance of showers in the morning. .SAT NIGHT...NW winds 25 to 30 kt. Gusts up to 45 kt, decreasing to 35 kt after midnight. Seas 8 to 11 ft, subsiding to 6 to 9 ft after midnight. .SUN...W winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. $$ ANZ184-141000- Waters from Cape Elizabeth ME to Merrimack River MA from 25 to 60 NM- 502 PM EDT Tue Oct 13 2026 .TONIGHT...S winds 15 to 20 kt, becoming SW towards daybreak. Gusts up to 30 kt. Seas 5 to 6 ft. Wave Detail: SE 6 ft at 8 seconds. Rain likely this evening. A chance of tstms. A chance of rain after midnight. Vsby 1 to 3 NM. .WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Wave Detail: SE 5 ft at 7 seconds. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt after midnight. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and NW 3 ft at 4 seconds. .THU...N winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: NW 5 ft at 5 seconds and E 2 ft at 7 seconds. .THU NIGHT...N winds around 5 kt, becoming SE after midnight. Seas around 2 ft. Wave Detail: N 2 ft at 5 seconds. .FRI...S winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas 2 to 3 ft, building to 4 to 6 ft in the afternoon. Wave Detail: S 3 ft at 4 seconds, becoming S 6 ft at 6 seconds. Showers. .FRI NIGHT...SW winds 25 to 30 kt, becoming W 30 to 35 kt after midnight. Gusts up to 45 kt. Seas 5 to 7 ft, building to 6 to 9 ft after midnight. Showers, mainly in the evening. .SAT...NW winds 30 to 35 kt with gusts up to 50 kt. Seas 8 to 11 ft. .SAT NIGHT...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to 10 ft, subsiding to 5 to 8 ft after midnight. .SUN...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. $$