Coastal Waters Forecast
Issued by NWS Portland, ME

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534 FZUS51 KGYX 201851 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 251 PM EDT Thu Jun 20 2024 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM ANZ100-210900- 251 PM EDT Thu Jun 20 2024 .Synopsis for Stonington ME to Merrimack River Ma out to 25 NM A cold front will cross the waters tonight into Friday morning, bringing a wind shift to northeasterly overnight tonight. Thunderstorms with strong gusty winds are likely near the coastline late this afternoon and evening with the front. Additional rounds of unsettled weather are likely through early next week as a series of fronts cross. High pressure builds back across the waters by midweek next week. $$ ANZ154-210900- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 251 PM EDT Thu Jun 20 2024 ...SEVERE THUNDERSTORM WATCH 438 IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds. Scattered showers and tstms late. .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 9 seconds. Numerous showers and scattered tstms in the evening, then scattered showers after midnight. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .FRI...N winds 5 to 10 kt, becoming NE in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 9 seconds. Patchy fog in the morning. .FRI NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds. A chance of showers in the evening, then showers likely after midnight. .SAT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds. A chance of showers in the morning, then showers likely in the afternoon. .SAT NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Showers likely. .SUN...SE winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. .SUN NIGHT...S winds 15 to 20 kt, becoming SW 10 to 15 kt after midnight. Seas 3 to 5 ft. Showers likely with a chance of tstms. .MON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of tstms in the morning. Showers likely. .MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely in the evening. Winds and seas higher in and near tstms. $$ ANZ152-210900- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 251 PM EDT Thu Jun 20 2024 ...SEVERE THUNDERSTORM WATCH 438 IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: S 3 ft at 5 seconds. Isolated showers and tstms late. .TONIGHT...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. Wave Detail: S 2 ft at 5 seconds. Numerous showers and scattered tstms in the evening, then scattered showers and tstms after midnight. Patchy fog. Vsby 1 NM or less. .FRI...NE winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds and SE 2 ft at 9 seconds. A chance of showers and tstms in the morning. Patchy fog in the morning. .FRI NIGHT...SE winds around 5 kt, becoming E after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 8 seconds. A chance of showers. .SAT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds. A chance of showers. .SAT NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Showers likely. .SUN...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely. .SUN NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers likely with a chance of tstms. .MON...SW winds around 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of tstms in the morning. Showers likely. .MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Showers likely, mainly in the evening. Winds and seas higher in and near tstms. $$ ANZ150-210900- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 251 PM EDT Thu Jun 20 2024 ...SEVERE THUNDERSTORM WATCH 438 IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: S 3 ft at 6 seconds. Isolated tstms late. .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds. Numerous showers and scattered tstms in the evening, then scattered showers and tstms after midnight. Patchy fog. Vsby 1 to 3 NM in the evening. .FRI...NE winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds. A chance of showers in the morning. Patchy fog in the morning. .FRI NIGHT...S winds around 5 kt, becoming E around 5 kt after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds. A chance of showers after midnight. .SAT...E winds around 5 kt. Seas around 2 ft. Wave Detail: S 2 ft at 8 seconds. A chance of showers. .SAT NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 8 seconds. A chance of showers in the evening, then showers likely after midnight. .SUN...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .SUN NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers with a chance of tstms. .MON...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. A chance of tstms in the morning. Showers likely. .MON NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft. Showers likely, mainly in the evening. Winds and seas higher in and near tstms. $$ ANZ153-210900- Casco Bay- 251 PM EDT Thu Jun 20 2024 ...SEVERE THUNDERSTORM WATCH 438 IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...S winds 10 to 15 kt. Seas 2 to 3 ft. Scattered showers and tstms late. .TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Numerous showers and scattered tstms in the evening. Patchy fog. Vsby 1 NM or less. .FRI...NE winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. A chance of showers and tstms in the morning. Patchy fog in the morning. .FRI NIGHT...S winds around 5 kt, becoming E after midnight. Seas around 2 ft. A chance of showers. .SAT...E winds around 5 kt. Seas around 2 ft. A chance of showers. .SAT NIGHT...E winds around 5 kt. Seas around 2 ft in the evening, then 1 foot or less. Showers likely. .SUN...SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. A chance of showers in the morning, then showers likely in the afternoon. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely with a chance of tstms. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers and tstms in the morning, then showers likely in the afternoon. .MON NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. Showers likely in the evening. Winds and seas higher in and near tstms. $$ ANZ151-210900- Penobscot Bay- 251 PM EDT Thu Jun 20 2024 ...SEVERE THUNDERSTORM WATCH 438 IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds. Isolated showers and tstms late. .TONIGHT...W winds 5 to 10 kt with gusts up to 20 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds. Showers and scattered tstms in the evening, then scattered showers after midnight. Patchy fog. Vsby 1 to 3 NM in the evening. .FRI...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. A chance of showers in the morning. .FRI NIGHT...S winds around 5 kt. Seas around 2 ft in the evening, then 1 foot or less. A chance of showers after midnight. .SAT...SE winds around 5 kt. Seas 1 foot or less. A chance of showers. .SAT NIGHT...SE winds around 5 kt. Seas 1 foot or less. A chance of showers in the evening, then showers likely after midnight. .SUN...SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Showers likely. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely with a chance of tstms. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of tstms in the morning. Showers likely. .MON NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. Showers likely, mainly in the evening. Winds and seas higher in and near tstms. $$