Coastal Waters Forecast
Issued by NWS Portland, ME

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FZUS51 KGYX 282103
CWFGYX

Coastal Waters Forecast
National Weather Service Gray ME
502 PM EDT Thu Aug 28 2025

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

ANZ100-291000-
502 PM EDT Thu Aug 28 2025

.Synopsis for Stonington ME to Merrimack River Ma out to 25 NM
High pressure moves east of the waters tonight. A cold front
approaches tomorrow bringing showers and thunderstorms to the
waters. Upper level low pressure remains west of the waters this
weekend. High pressure then builds in behind the front for the second
half of the weekend and early next week.

$$

ANZ154-291000-
Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out
25 NM-
502 PM EDT Thu Aug 28 2025

.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: S 3 ft at 4 seconds and SE 2 ft at 9 seconds.
.FRI...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft.
Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 8 seconds. Scattered
showers in the morning, then showers likely with a chance of tstms
in the afternoon.
.FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming W
5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at
5 seconds. Showers likely with a chance of tstms in the evening,
then a chance of showers after midnight.
.SAT...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
around 2 ft. Wave Detail: SE 2 ft at 5 seconds.
.SAT NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 6 seconds.
.SUN...NW winds 5 to 10 kt, becoming S in the afternoon. Seas around
2 ft. Wave Detail: SE 2 ft at 5 seconds and SE 2 ft at 8 seconds.
.SUN NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas
around 2 ft.
.MON...N winds around 5 kt, becoming E in the afternoon. Seas around
2 ft.
.MON NIGHT...S winds around 5 kt, becoming W after midnight. Seas
around 2 ft.
.TUE...N winds around 5 kt, becoming SE in the afternoon. Seas
1 foot or less.
.TUE NIGHT...S winds 5 to 10 kt. Seas around 2 ft.

Winds and seas higher in and near tstms.

$$

ANZ152-291000-
Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM-
502 PM EDT Thu Aug 28 2025

.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: S 3 ft at 4 seconds and SE 2 ft at 9 seconds.
.FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft.
Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 8 seconds. A chance
of showers in the morning, then showers likely in the afternoon.
.FRI NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt, becoming W
5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at
5 seconds. Showers, mainly in the evening.
.SAT...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
around 2 ft. Wave Detail: S 2 ft at 5 seconds. A chance of showers
in the morning.
.SAT NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas
around 2 ft. Wave Detail: S 2 ft at 6 seconds.
.SUN...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
around 2 ft. Wave Detail: SE 2 ft at 7 seconds.
.SUN NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas
around 2 ft.
.MON...N winds around 5 kt, becoming E in the afternoon. Seas around
2 ft.
.MON NIGHT...SW winds around 5 kt, becoming W after midnight. Seas
around 2 ft.
.TUE...N winds around 5 kt, becoming S in the afternoon. Seas 1 foot
or less.
.TUE NIGHT...SW winds around 5 kt. Seas around 2 ft.

$$

ANZ150-291000-
Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM-
502 PM EDT Thu Aug 28 2025

.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 9 seconds.
.FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft.
Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 8 seconds. A chance
of showers. Vsby 1 to 3 NM in the morning.
.FRI NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: S 3 ft at 5 seconds. Showers.
.SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at
5 seconds. Showers likely, mainly in the morning.
.SAT NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas
around 2 ft. Wave Detail: S 2 ft at 5 seconds.
.SUN...NW winds around 5 kt, becoming SW in the afternoon. Seas
around 2 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at
8 seconds.
.SUN NIGHT...W winds around 5 kt, becoming NW after midnight. Seas
around 2 ft.
.MON...N winds around 5 kt, becoming SE in the afternoon. Seas
around 2 ft.
.MON NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas
around 2 ft in the evening, then 1 foot or less.
.TUE...N winds around 5 kt, becoming S in the afternoon. Seas 1 foot
or less.
.TUE NIGHT...SW winds around 5 kt. Seas around 2 ft.

$$

ANZ153-291000-
Casco Bay-
502 PM EDT Thu Aug 28 2025

.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft.
.FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A
chance of showers in the morning, then showers with a chance of
tstms in the afternoon.
.FRI NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. Showers with a chance of tstms in the evening, then a
chance of showers after midnight.
.SAT...NW winds around 5 kt, becoming SW in the afternoon. Seas
around 2 ft. A chance of showers in the morning.
.SAT NIGHT...W winds around 5 kt. Seas around 2 ft.
.SUN...NW winds around 5 kt, becoming SW in the afternoon. Seas
around 2 ft.
.SUN NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas
around 2 ft.
.MON...N winds around 5 kt, becoming SE in the afternoon. Seas
around 2 ft.
.MON NIGHT...S winds around 5 kt, becoming W after midnight. Seas
around 2 ft in the evening, then 1 foot or less.
.TUE...N winds around 5 kt, becoming S around 5 kt in the afternoon.
Seas 1 foot or less.
.TUE NIGHT...SW winds around 5 kt. Seas 1 foot or less.

Winds and seas higher in and near tstms.

$$

ANZ151-291000-
Penobscot Bay-
502 PM EDT Thu Aug 28 2025

.TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft
at 4 seconds. Patchy fog after midnight. Areas of fog towards
daybreak. Vsby 1 to 3 NM after midnight.
.FRI...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at
4 seconds. Areas of fog in the morning. A chance of showers. Vsby
1 to 3 NM in the morning.
.FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S
2 ft at 5 seconds. Showers.
.SAT...SW winds around 5 kt. Seas around 2 ft. Showers likely,
mainly in the morning.
.SAT NIGHT...W winds around 5 kt. Seas around 2 ft.
.SUN...NW winds around 5 kt, becoming SW in the afternoon. Seas
around 2 ft.
.SUN NIGHT...W winds around 5 kt, becoming NW after midnight. Seas
around 2 ft in the evening, then 1 foot or less.
.MON...N winds around 5 kt, becoming SE in the afternoon. Seas
1 foot or less.
.MON NIGHT...SW winds around 5 kt in the evening, becoming light and
variable. Seas 1 foot or less.
.TUE...NE winds around 5 kt, becoming S around 5 kt in the
afternoon. Seas 1 foot or less.
.TUE NIGHT...SW winds around 5 kt. Seas 1 foot or less.

$$