Coastal Waters Forecast
Issued by NWS Portland, ME

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FZUS51 KGYX 301754
CWFGYX

Coastal Waters Forecast
National Weather Service Gray ME
154 PM EDT Wed Jul 30 2025

COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM

ANZ100-310800-
154 PM EDT Wed Jul 30 2025

.Synopsis for Stonington ME to Merrimack River Ma out to 25 NM
Humid airmass will be pushed out as a cold front sags south this
evening and stalls in the offshore waters. Showers are likely for
much of Thursday with the front as winds veer to the north. Surface
high pressure will dominate the weather through the weekend and into
early next week. Return flow out of the southwest will return
Saturday night.

$$

ANZ154-310800-
Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out
25 NM-
154 PM EDT Wed Jul 30 2025

.THIS AFTERNOON...SE winds 5 to 10 kt. Seas around 2 ft.
.TONIGHT...S winds 5 to 10 kt, becoming N after midnight. Seas
around 2 ft.
.THU...N winds around 10 kt, becoming E in the afternoon. Seas
around 2 ft. A chance of showers in the afternoon.
.THU NIGHT...E winds around 5 kt, becoming NE with gusts up to 20 kt
after midnight. Seas around 2 ft. Showers likely.
.FRI...NE winds 10 to 15 kt with gusts up to 25 kt. Seas around
2 ft. Wave Detail: E 2 ft at 3 seconds. A chance of showers.
.FRI NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 9 seconds and E 2 ft at 4 seconds.
.SAT...N winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to
3 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to
20 kt in the afternoon. Seas 2 to 4 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft.

$$

ANZ152-310800-
Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM-
154 PM EDT Wed Jul 30 2025

.THIS AFTERNOON...S winds 5 to 10 kt. Seas around 2 ft.
.TONIGHT...SW winds 5 to 10 kt, becoming N after midnight. Seas
around 2 ft.
.THU...N winds 5 to 10 kt, becoming E in the afternoon. Seas around
2 ft.
.THU NIGHT...SW winds around 5 kt, becoming NE after midnight. Seas
around 2 ft. Showers likely.
.FRI...NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas around 2 ft. A chance of showers.
.FRI NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Seas
around 2 ft. Wave Detail: E 2 ft at 9 seconds.
.SAT...N winds 5 to 10 kt, becoming SW in the afternoon. Seas around
2 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.SUN...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 4 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft.

$$

ANZ150-310800-
Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM-
154 PM EDT Wed Jul 30 2025

.THIS AFTERNOON...S winds 5 to 10 kt. Seas around 2 ft.
.TONIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas
around 2 ft. A chance of showers in the evening.
.THU...N winds 5 to 10 kt, becoming E in the afternoon. Seas around
2 ft.
.THU NIGHT...SW winds around 5 kt, becoming N after midnight. Seas
around 2 ft. A chance of showers.
.FRI...NE winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft.
Wave Detail: SE 2 ft at 9 seconds. A chance of showers.
.FRI NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Seas
around 2 ft. Wave Detail: E 2 ft at 7 seconds.
.SAT...N winds 5 to 10 kt, becoming SW in the afternoon. Seas around
2 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.SUN...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 4 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft.

$$

ANZ153-310800-
Casco Bay-
154 PM EDT Wed Jul 30 2025

.THIS AFTERNOON...S winds 5 to 10 kt. Seas around 2 ft. A slight
chance of showers with isolated tstms late.
.TONIGHT...W winds around 5 kt, becoming N after midnight. Seas
around 2 ft in the evening, then 1 foot or less. A chance of showers
in the evening.
.THU...N winds 5 to 10 kt, becoming SE in the afternoon. Seas 1 foot
or less.
.THU NIGHT...SW winds around 5 kt, becoming SE after midnight. Seas
1 foot or less. A chance of showers.
.FRI...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers.
.FRI NIGHT...NE winds around 5 kt, becoming N after midnight. Seas
around 2 ft.
.SAT...N winds 5 to 10 kt, becoming S in the afternoon. Seas around
2 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.SUN...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to
20 kt in the afternoon. Seas 2 to 4 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft.

Winds and seas higher in and near tstms.

$$

ANZ151-310800-
Penobscot Bay-
154 PM EDT Wed Jul 30 2025

.THIS AFTERNOON...S winds 5 to 10 kt. Seas 1 foot or less. A slight
chance of showers with isolated tstms late.
.TONIGHT...SW winds around 5 kt, becoming NW after midnight. Seas
1 foot or less. A chance of showers in the evening.
.THU...N winds 5 to 10 kt, becoming W in the afternoon. Seas 1 foot
or less.
.THU NIGHT...SW winds around 5 kt, becoming S around 5 kt after
midnight. Seas 1 foot or less. A chance of showers.
.FRI...E winds 5 to 10 kt. Seas 1 foot or less. A chance of showers
in the morning.
.FRI NIGHT...E winds around 5 kt, becoming N after midnight. Seas
1 foot or less.
.SAT...N winds around 5 kt, becoming SW in the afternoon. Seas
1 foot or less.
.SAT NIGHT...SW winds around 5 kt. Seas 1 foot or less.
.SUN...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.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

$$