National Weather Service Marine Forecast FZUS51 KGYX

FZUS51 KGYX 272246
CWFGYX

Coastal Waters Forecast
National Weather Service Gray ME
646 PM EDT Wed Aug 27 2025

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

ANZ100-281300
646 PM EDT Wed Aug 27 2025

.Synopsis for Stonington ME to Merrimack River Ma out to 25 NM High pressure builds in through the middle of the week. A cold front approaches late in the week 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.


ANZ154-281300
Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM
646 PM EDT Wed Aug 27 2025

TONIGHT
W winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds. A slight chance of tstms with isolated showers early this evening.

THU
W winds around 5 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and S 2 ft at 3 seconds.

THU NIGHT
S winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 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 around 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 2 ft at 8 seconds. A chance of 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 and E 2 ft at 8 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 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds. A chance of showers in the morning.

SAT NIGHT
W winds 5 to 10 kt. Seas around 2 ft.

SUN
NW winds 5 to 10 kt, becoming SE 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.

Winds and seas higher in and near tstms.


ANZ152-281300
Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM
646 PM EDT Wed Aug 27 2025

TONIGHT
W winds 5 to 10 kt, becoming NW after midnight. Seas around 3 ft. Wave Detail: SE 3 ft at 10 seconds and S 2 ft at 8 seconds. A slight chance of tstms with isolated showers early this evening.

THU
W winds around 5 kt, becoming S with gusts up to 20 kt in the afternoon. Seas around 3 ft. Wave Detail: SE 3 ft at 9 seconds.

THU NIGHT
S winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: S 2 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 around 3 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
S winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt after midnight. Seas around 3 ft. Wave Detail: S 3 ft at 5 seconds. Showers likely.

SAT
W winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds. A chance of showers.

SAT NIGHT
SW 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
SW winds around 5 kt, becoming NW after midnight. Seas around 2 ft.

MON
N winds around 5 kt, becoming S in the afternoon. Seas around 2 ft.

MON NIGHT
SW winds around 5 kt, becoming W after midnight. Seas around 2 ft.

Winds and seas higher in and near tstms.


ANZ150-281300
Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM
646 PM EDT Wed Aug 27 2025

TONIGHT
W winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 10 seconds and S 2 ft at 8 seconds.

THU
W winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and S 2 ft at 7 seconds.

THU NIGHT
S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and SE 2 ft at 9 seconds.

FRI
S winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of showers.

FRI NIGHT
S winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 3 ft. Wave Detail: S 3 ft at 5 seconds. Showers with a chance of tstms in the evening, then showers likely after midnight.

SAT
SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds. Showers likely, mainly in the morning.

SAT NIGHT
SW winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. A chance of showers in the evening.

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.

MON
N winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft.

MON NIGHT
W winds around 5 kt. Seas around 2 ft.

Winds and seas higher in and near tstms.


ANZ153-281300
Casco Bay
646 PM EDT Wed Aug 27 2025

TONIGHT
W winds around 5 kt. Seas 2 to 3 ft. Scattered showers with a slight chance of tstms early this evening.

THU
W winds around 5 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft.

THU NIGHT
S winds 5 to 10 kt. Seas 2 to 3 ft.

FRI
S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. A chance of showers in the morning, then showers likely 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 likely 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.

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 in the morning, then 1 foot or less.

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, becoming W after midnight. Seas around 2 ft.

Winds and seas higher in and near tstms.


ANZ151-281300
Penobscot Bay
646 PM EDT Wed Aug 27 2025

TONIGHT
W winds 5 to 10 kt, becoming around 5 kt after midnight. Seas 2 to 3 ft. A slight chance of tstms with isolated showers early this evening.

THU
W winds around 5 kt, becoming S with gusts up to 20 kt in the afternoon. Seas around 2 ft.

THU NIGHT
S winds 5 to 10 kt. Seas around 2 ft.

FRI
S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds. A chance of showers in the morning, then showers likely in the afternoon.

FRI NIGHT
S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds. A chance of tstms in the evening. Showers likely.

SAT
SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds. Showers likely, mainly in the morning.

SAT NIGHT
SW winds around 5 kt, becoming NW after midnight. Seas around 2 ft. A chance of showers in the evening.

SUN
NW winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less.

SUN NIGHT
NW winds around 5 kt. Seas 1 foot or less.

MON
N winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less.

MON NIGHT
SW winds around 5 kt, becoming NW after midnight. Seas 1 foot or less.

Winds and seas higher in and near tstms.