Coastal Waters Forecast
Issued by NWS Portland, ME

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073
FZUS51 KGYX 290532
CWFGYX

Coastal Waters Forecast
National Weather Service Gray ME
132 AM EDT Fri Aug 29 2025

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

ANZ100-291945-
132 AM EDT Fri Aug 29 2025

.Synopsis for Stonington ME to Merrimack River Ma out to 25 NM
A cold front approaches the waters today, bringing showers and
thunderstorms. Upper level low pressure remains west of the waters
this weekend. High pressure then builds in behind the front on
Sunday, and remains in place through midweek next week.

$$

ANZ154-291945-
Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out
25 NM-
132 AM EDT Fri Aug 29 2025

.TODAY...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 3 ft at 8 seconds. Scattered
showers late this morning and early afternoon. Isolated tstms early
this afternoon, then numerous showers and scattered tstms late.
.TONIGHT...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: SE 3 ft at
6 seconds. Numerous showers and scattered tstms in the evening, then
scattered 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 6 seconds.
.SAT NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 7 seconds.
.SUN...NW winds 5 to 10 kt, becoming S in the afternoon. Seas around
2 ft. Wave Detail: SE 2 ft at 6 seconds.
.SUN NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 8 seconds.
.MON...N winds around 5 kt, becoming E in the afternoon. Seas around
2 ft.
.MON NIGHT...S winds around 5 kt, becoming NW after midnight. Seas
around 2 ft.
.TUE...NE winds around 5 kt, becoming SE around 5 kt in the
afternoon. Seas around 2 ft in the morning, then 1 foot or less.
.TUE NIGHT...S winds around 5 kt. Seas around 2 ft.

Winds and seas higher in and near tstms.

$$

ANZ152-291945-
Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM-
132 AM EDT Fri Aug 29 2025

.TODAY...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. Isolated
showers early this morning, then scattered showers late this morning
and afternoon. Isolated tstms this afternoon.
.TONIGHT...S winds 5 to 10 kt with gusts up to 20 kt, becoming SW
after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and
SE 3 ft at 8 seconds. Numerous showers and scattered tstms in the
evening, then scattered showers after midnight.
.SAT...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
around 2 ft. Wave Detail: S 2 ft at 6 seconds.
.SAT NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 6 seconds.
.SUN...NW winds around 5 kt, becoming SW in the afternoon. Seas
around 2 ft. Wave Detail: SE 2 ft at 6 seconds.
.SUN NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 8 seconds.
.MON...N winds around 5 kt, becoming E in the afternoon. Seas around
2 ft.
.MON NIGHT...S winds around 5 kt, becoming NW after midnight. Seas
around 2 ft.
.TUE...E 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 around 2 ft.

Winds and seas higher in and near tstms.

$$

ANZ150-291945-
Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM-
132 AM EDT Fri Aug 29 2025

.TODAY...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. Patchy
fog early this morning. Isolated showers late this morning.
Scattered showers this afternoon. Isolated tstms late. Vsby 1 NM or
less this morning.
.TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 5 seconds. Scattered tstms. Showers. Patchy fog.
.SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at
5 seconds and SE 2 ft at 8 seconds. Scattered showers in the
morning. Patchy fog in the morning.
.SAT NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
around 2 ft. Wave Detail: S 2 ft at 7 seconds.
.SUN...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to
3 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. Wave Detail: SE 2 ft at 7 seconds.
.MON...NE 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.
.TUE...N winds around 5 kt, becoming SW in the afternoon. Seas
1 foot or less.
.TUE NIGHT...SW winds around 5 kt. Seas around 2 ft.

Winds and seas higher in and near tstms.

$$

ANZ153-291945-
Casco Bay-
132 AM EDT Fri Aug 29 2025

.TODAY...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up
to 20 kt late this morning and afternoon. Seas 2 to 3 ft. Scattered
showers with isolated tstms late this morning. Numerous showers and
scattered tstms this afternoon. Vsby 1 to 3 NM early this afternoon.
.TONIGHT...S winds 5 to 10 kt, becoming NW after midnight. Seas 2 to
3 ft. Showers and scattered tstms in the evening, then scattered
showers after midnight.
.SAT...NW winds around 5 kt, becoming SW in the afternoon. Seas
around 2 ft.
.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...SW winds around 5 kt in the evening, becoming light and
variable. Seas around 2 ft in the evening, then 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.

Winds and seas higher in and near tstms.

$$

ANZ151-291945-
Penobscot Bay-
132 AM EDT Fri Aug 29 2025

.TODAY...S winds 5 to 10 kt. Seas 2 to 3 ft. Areas of fog early this
morning, then patchy fog late this morning. Scattered showers late
this morning. Scattered showers with isolated tstms this afternoon.
Vsby 1 NM or less this morning.
.TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Scattered tstms.
Showers. Patchy fog in the evening. Areas of fog after midnight.
.SAT...SW winds 5 to 10 kt. Seas around 2 ft. Patchy fog in the
morning. Scattered showers.
.SAT NIGHT...W winds 5 to 10 kt, becoming NW after midnight. 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...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.

$$