FZUS51 KGYX 182103 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 502 PM EDT Thu Jun 18 2026 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 60 NM ANZ100-191000- 502 PM EDT Thu Jun 18 2026 .Synopsis for Stonington ME to Merrimack River Ma out to 60 NM... Low pressure will bring a cold front across the waters tonight. Strong SE winds will continue ahead of the front and with strong thunderstorms this evening as the front approaches. Gusty west winds follow the front for Friday and Saturday, then high pressure passes through late in the weekend. Another low pressure system may track near or south of the waters early next week. $$ ANZ151-191000- Penobscot Bay- 502 PM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING... .TONIGHT...S winds 15 to 20 kt with gusts up to 30 kt, becoming SW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 seconds. Showers with a chance of tstms early this evening, then a slight chance of showers and tstms late this evening. Patchy fog until early morning. .FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 8 seconds. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds. .SAT...W winds around 10 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds. A chance of showers in the afternoon. .SAT NIGHT...NW winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. A chance of showers in the evening. .SUN...NW winds around 5 kt, becoming SW around 5 kt in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds. A chance of showers in the afternoon. .SUN NIGHT...SW winds around 5 kt. Seas around 2 ft. .MON...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas around 2 ft. A chance of showers in the afternoon. .MON NIGHT...S winds 5 to 10 kt, becoming SE 10 to 15 kt after midnight. Seas around 2 ft. Showers likely. .TUE...SE winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Showers likely, mainly in the morning. .TUE NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. $$ ANZ153-191000- Casco Bay- 502 PM EDT Thu Jun 18 2026 ...TORNADO WATCH 353 IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING... .TONIGHT...S winds 20 to 25 kt with gusts up to 35 kt, becoming SW 10 to 15 kt with gusts up to 20 kt late this evening and overnight. Seas 3 to 5 ft. Showers likely with a chance of tstms early this evening, then a slight chance of showers late this evening. Patchy fog this evening. .FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...NW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. A chance of showers. .SUN NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft in the evening, then 1 foot or less. A chance of showers in the evening. .MON...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. A chance of showers in the afternoon. .MON NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Showers likely. .TUE...S winds 10 to 15 kt with gusts up to 20 kt, becoming W in the afternoon. Seas 2 to 3 ft. Showers likely, mainly in the morning. .TUE NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. $$ ANZ150-191000- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 502 PM EDT Thu Jun 18 2026 ...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING... .TONIGHT...S winds 20 to 25 kt with gusts up to 35 kt, becoming SW 15 to 20 kt with gusts up to 30 kt late this evening and overnight. Seas 6 to 9 ft. Wave Detail: S 8 ft at 7 seconds. Showers with a slight chance of tstms early this evening, then a slight chance of showers late this evening. Patchy fog until early morning. .FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: S 6 ft at 7 seconds. .FRI NIGHT...SW winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 8 seconds. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 8 seconds. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: S 4 ft at 8 seconds and W 2 ft at 4 seconds. .SUN...NW winds around 5 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and SW 2 ft at 4 seconds. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas around 2 ft. A chance of showers in the afternoon. .MON NIGHT...S winds 10 to 15 kt, becoming SE 15 to 20 kt after midnight. Seas 2 to 3 ft. Showers likely. .TUE...SE winds 15 to 20 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Showers likely, mainly in the morning. .TUE NIGHT...W winds 5 to 10 kt. Seas around 3 ft. Winds and seas higher in and near tstms. $$ ANZ152-191000- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 502 PM EDT Thu Jun 18 2026 ...TORNADO WATCH 353 IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING... .TONIGHT...S winds 25 to 30 kt with gusts up to 40 kt, becoming SW 15 to 20 kt with gusts up to 30 kt late this evening and overnight. Seas 6 to 9 ft, subsiding to 5 to 7 ft after midnight. Wave Detail: S 9 ft at 7 seconds, becoming S 7 ft at 7 seconds. Showers with a chance of tstms early this evening, then a slight chance of showers late this evening. Patchy fog until early morning. .FRI...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. .FRI NIGHT...W winds 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 8 seconds. .SAT...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: S 4 ft at 8 seconds. .SAT NIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: S 3 ft at 8 seconds and W 2 ft at 4 seconds. .SUN...NW winds around 5 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 8 seconds. .SUN NIGHT...SW winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft. .MON...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas around 2 ft. A chance of showers in the afternoon. .MON NIGHT...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely. .TUE...S winds 15 to 20 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Showers likely, mainly in the morning. .TUE NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. $$ ANZ154-191000- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 502 PM EDT Thu Jun 18 2026 ...TORNADO WATCH 353 IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING... .TONIGHT...S winds 20 to 25 kt with gusts up to 35 kt, becoming SW 10 to 15 kt with gusts up to 20 kt late this evening and overnight. Seas 5 to 7 ft. Wave Detail: SE 7 ft at 7 seconds. Showers likely with a chance of tstms early this evening, then a slight chance of showers late this evening. .FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 7 seconds. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 8 seconds and SW 2 ft at 4 seconds. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: W 2 ft at 4 seconds and SE 2 ft at 8 seconds. .SAT NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 8 seconds. .SUN...NW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. .SUN NIGHT...SW winds around 5 kt. Seas around 2 ft in the evening, then 1 foot or less. .MON...SW winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. A chance of showers. .MON NIGHT...S winds 10 to 15 kt, becoming SE 15 to 20 kt after midnight. Seas around 2 ft. Showers likely. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Showers likely, mainly in the morning. .TUE NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. $$ ANZ180-191000- Waters from Stonington ME to Port Clyde ME from 25 to 60 NM- 502 PM EDT Thu Jun 18 2026 ...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING... .TONIGHT...S winds 25 to 30 kt with gusts up to 40 kt, becoming SW around 20 kt with gusts up to 25 kt after midnight. Seas 6 to 9 ft. Wave Detail: S 9 ft at 7 seconds. Showers with a slight chance of tstms early this evening, then a slight chance of showers and tstms late this evening. Patchy fog early this evening. Patchy fog late this evening and early morning. Vsby 1 to 3 NM early this evening. .FRI...SW winds around 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: SW 6 ft at 6 seconds. .FRI NIGHT...W winds around 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: S 5 ft at 8 seconds and W 4 ft at 5 seconds. .SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 8 seconds and W 4 ft at 5 seconds. .SAT NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 8 seconds and W 3 ft at 5 seconds. .SUN...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 3 to 4 ft. Wave Detail: S 3 ft at 8 seconds and W 2 ft at 4 seconds. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers in the afternoon. .MON NIGHT...S winds 15 to 20 kt, becoming SE 20 to 25 kt after midnight. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. Showers. .TUE...S winds 20 to 25 kt with gusts up to 30 kt, becoming SW 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Showers likely, mainly in the morning. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Winds and seas higher in and near tstms. $$ ANZ182-191000- Waters from Port Clyde ME to Cape Elizabeth ME from 25 to 60 NM- 502 PM EDT Thu Jun 18 2026 ...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING... .TONIGHT...S winds 25 to 30 kt with gusts up to 40 kt, becoming SW 15 to 20 kt with gusts up to 25 kt after midnight. Seas 7 to 9 ft, subsiding to 6 to 7 ft after midnight. Wave Detail: S 8 ft at 7 seconds, becoming S 7 ft at 7 seconds. Showers likely with a slight chance of tstms early this evening, then a slight chance of showers late this evening. Patchy fog until early morning. .FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: SW 6 ft at 6 seconds. .FRI NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: W 4 ft at 5 seconds and S 4 ft at 8 seconds. .SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 5 seconds and S 4 ft at 8 seconds. .SAT NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 5 seconds and S 3 ft at 8 seconds. .SUN...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and S 2 ft at 8 seconds. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .MON...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers in the afternoon. .MON NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. Showers likely. .TUE...S winds 15 to 20 kt with gusts up to 30 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. Showers likely, mainly in the morning. .TUE NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. Winds and seas higher in and near tstms. $$ ANZ184-191000- Waters from Cape Elizabeth ME to Merrimack River MA from 25 to 60 NM- 502 PM EDT Thu Jun 18 2026 ...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING... .TONIGHT...S winds 20 to 25 kt with gusts up to 35 kt, becoming SW 15 to 20 kt with gusts up to 25 kt late this evening and overnight. Seas 6 to 8 ft, subsiding to 5 to 6 ft after midnight. Wave Detail: S 8 ft at 7 seconds, becoming S 6 ft at 7 seconds. Patchy fog early this evening. Showers likely with a slight chance of tstms early this evening, then a slight chance of showers late this evening. .FRI...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 and W 3 ft at 4 seconds. .FRI NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 8 seconds and SW 3 ft at 4 seconds. .SAT...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: W 3 ft at 5 seconds and S 3 ft at 8 seconds. .SAT NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and S 2 ft at 8 seconds. .SUN...NW winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and S 2 ft at 8 seconds. .SUN NIGHT...SW winds around 5 kt. Seas around 2 ft. .MON...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers in the afternoon. .MON NIGHT...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .TUE...S winds 15 to 20 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Showers likely, mainly in the morning. .TUE NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. $$