


Coastal Waters Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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622 FZUS51 KGYX 031750 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 150 PM EDT Wed Sep 3 2025 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM ANZ100-040800- 150 PM EDT Wed Sep 3 2025 .Synopsis for Stonington ME to Merrimack River Ma out to 25 NM High pressure begins to shift east today of the area today and will continue to do through Thursday as a front will approach the waters late in the day which may bring showers along with winds and seas increasing to near 25 knots and 5 feet. The front crosses late Saturday or Saturday night with high pressure returning by early next week. $$ ANZ154-040800- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 150 PM EDT Wed Sep 3 2025 .REST OF TODAY...S winds around 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 8 seconds. .TONIGHT...S winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 8 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .THU...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 3 ft. Wave Detail: SE 3 ft at 8 seconds and S 2 ft at 3 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .THU NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 4 seconds and E 3 ft at 8 seconds. A chance of showers after midnight with vsby 1 to 3 NM. .FRI...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds and S 3 ft at 4 seconds. A chance of showers in the morning with vsby 1 to 3 NM. .FRI NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 6 seconds. .SAT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. A chance of showers in the afternoon. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. Showers. .SUN...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Showers likely, mainly in the morning. .SUN NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. $$ ANZ152-040800- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 150 PM EDT Wed Sep 3 2025 .REST OF TODAY...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. .TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. Patchy fog in the evening. Patchy fog after midnight. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. Patchy fog in the morning with vsby 1 NM or less. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 8 seconds and S 2 ft at 4 seconds. Patchy fog. Vsby 1 to 3 NM. .FRI...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: S 4 ft at 5 seconds and SE 3 ft at 8 seconds. Patchy fog in the morning. Patchy fog in the afternoon. Vsby 1 to 3 NM, decreasing to 1 NM or less in the afternoon. .FRI NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 6 seconds. Patchy fog in the evening with vsby 1 NM or less. .SAT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft. A chance of showers in the afternoon. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt after midnight. Seas 3 to 4 ft. Showers. .SUN...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Showers likely, mainly in the morning. .SUN NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas 2 to 3 ft. $$ ANZ150-040800- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 150 PM EDT Wed Sep 3 2025 .REST OF TODAY...S winds around 5 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. .TONIGHT...S winds around 5 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. Patchy fog. Vsby 1 to 3 NM. .THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 8 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .THU NIGHT...S winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds. Patchy fog. Vsby 1 to 3 NM. .FRI...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: S 3 ft at 4 seconds and SE 2 ft at 8 seconds. Patchy fog in the morning. Patchy fog in the afternoon. Vsby 1 to 3 NM, decreasing to 1 NM or less in the afternoon. .FRI NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 8 seconds and S 4 ft at 5 seconds. Patchy fog in the evening with vsby 1 NM or less. .SAT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft. A chance of showers in the afternoon. .SAT NIGHT...SW winds 10 to 15 kt, becoming W after midnight. Gusts up to 25 kt. Seas 3 to 4 ft. Showers. .SUN...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 4 ft. Showers likely, mainly in the morning. .SUN NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. A chance of showers in the evening. $$ ANZ153-040800- Casco Bay- 150 PM EDT Wed Sep 3 2025 .REST OF TODAY...S winds around 10 kt. Seas 2 to 3 ft. .TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .THU...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. Patchy fog in the morning with vsby 1 NM or less. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers after midnight. Vsby 1 to 3 NM. .FRI...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers in the morning. Patchy fog in the morning with vsby 1 to 3 NM. .FRI NIGHT...S winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft. Patchy fog in the evening with vsby 1 NM or less. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely in the afternoon. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 4 ft. Showers. .SUN...NW winds around 5 kt, becoming SW in the afternoon. Seas 2 to 3 ft. A chance of showers. .SUN NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas around 2 ft. $$ ANZ151-040800- Penobscot Bay- 150 PM EDT Wed Sep 3 2025 .REST OF TODAY...S winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...S winds around 5 kt. Seas around 2 ft in the evening, then 1 foot or less. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .THU...S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. Patchy fog in the morning with vsby 1 NM or less. .THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM. .FRI...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds. Patchy fog in the morning. Patchy fog in the afternoon. Vsby 1 to 3 NM, decreasing to 1 NM or less in the afternoon. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 6 seconds. Patchy fog in the evening with vsby 1 NM or less. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers in the afternoon. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Showers. .SUN...NW winds around 5 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Showers likely, mainly in the morning. .SUN NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas around 2 ft. $$