Coastal Waters Forecast
Issued by NWS Portland, ME

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913
FZUS51 KGYX 122103
CWFGYX

Coastal Waters Forecast
National Weather Service Gray ME
502 PM EDT Fri Sep 12 2025

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

ANZ100-131000-
502 PM EDT Fri Sep 12 2025

.Synopsis for Stonington ME to Merrimack River Ma out to 25 NM
High pressure will remain in control through Saturday but will
then slide east as weak low pressure passes through the region on
Sunday. High pressure then returns early next week.

$$

ANZ154-131000-
Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out
25 NM-
502 PM EDT Fri Sep 12 2025

.TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 2 to
3 ft. Wave Detail: E 3 ft at 7 seconds.
.SAT...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to
20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at
3 seconds and SE 2 ft at 8 seconds.
.SAT NIGHT...S winds 10 to 15 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.
.SUN...SW winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to
3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds.
.SUN NIGHT...SW winds around 5 kt, becoming N after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 9 seconds.
.MON...NE winds 5 to 10 kt, becoming E in the afternoon. Seas around
2 ft. Wave Detail: SE 2 ft at 9 seconds.
.MON NIGHT...S winds around 5 kt, becoming W after midnight. Seas
around 2 ft.
.TUE...NW winds around 5 kt, becoming S in the afternoon. Seas
around 2 ft.
.TUE NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
around 2 ft.
.WED...SW winds around 5 kt, becoming S in the afternoon. Seas
around 2 ft.
.WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft.

$$

ANZ152-131000-
Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM-
502 PM EDT Fri Sep 12 2025

.TONIGHT...SW winds 5 to 10 kt, diminishing to around 5 kt towards
daybreak. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds.
.SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at
8 seconds.
.SAT NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: S 2 ft at 3 seconds and SE 2 ft at 8 seconds.
.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at
4 seconds and SE 2 ft at 9 seconds. A chance of showers.
.SUN NIGHT...SW winds around 5 kt, becoming N after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 9 seconds.
.MON...N winds 5 to 10 kt, becoming SE in the afternoon. Seas around
2 ft. Wave Detail: SE 2 ft at 9 seconds.
.MON NIGHT...SW winds around 5 kt. Seas around 2 ft.
.TUE...NW winds around 5 kt, becoming SW in the afternoon. Seas
around 2 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.WED...W winds around 5 kt, becoming S in the afternoon. Seas around
2 ft.
.WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.

$$

ANZ150-131000-
Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM-
502 PM EDT Fri Sep 12 2025

.TONIGHT...SW winds 5 to 10 kt, diminishing to around 5 kt towards
daybreak. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds.
.SAT...S winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds.
.SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S
2 ft at 4 seconds and SE 2 ft at 8 seconds.
.SUN...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at
4 seconds and SE 2 ft at 9 seconds. A chance of showers.
.SUN NIGHT...SW winds around 5 kt, becoming N after midnight. Seas
around 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at
9 seconds. A chance of showers in the evening.
.MON...N winds 5 to 10 kt, becoming SE in the afternoon. Seas around
2 ft. Wave Detail: SE 2 ft at 9 seconds.
.MON NIGHT...W winds around 5 kt. Seas around 2 ft.
.TUE...NW winds around 5 kt, becoming SW in the afternoon. Seas
around 2 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.WED...SW winds around 5 kt. Seas around 2 ft.
.WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.

$$

ANZ153-131000-
Casco Bay-
502 PM EDT Fri Sep 12 2025

.TONIGHT...SW winds 5 to 10 kt, diminishing to around 5 kt towards
daybreak. Seas 2 to 3 ft.
.SAT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...W winds around 5 kt, becoming S in the afternoon. Seas around
2 ft.
.SUN NIGHT...SW winds around 5 kt, becoming N after midnight. Seas
around 2 ft.
.MON...N winds 5 to 10 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.
.TUE...N winds around 5 kt, becoming S in the afternoon. Seas around
2 ft.
.TUE NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft.
.WED...W winds around 5 kt, becoming S around 5 kt in the afternoon.
Seas around 2 ft.
.WED NIGHT...SW winds around 5 kt. Seas around 2 ft.

$$

ANZ151-131000-
Penobscot Bay-
502 PM EDT Fri Sep 12 2025

.TONIGHT...W winds around 5 kt until early morning, becoming light
and variable. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds.
.SAT...S winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. Seas around 2 ft.
.SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft.
.SUN...S winds around 5 kt. Seas around 2 ft. A chance of showers.
.SUN NIGHT...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.
.MON...N winds around 5 kt, becoming SW in the afternoon. Seas
1 foot or less.
.MON NIGHT...W winds around 5 kt. Seas 1 foot or less.
.TUE...NW winds around 5 kt, becoming SW in the afternoon. Seas
1 foot or less.
.TUE NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
1 foot or less.
.WED...W winds around 5 kt, becoming S around 5 kt in the afternoon.
Seas 1 foot or less.
.WED NIGHT...SW winds around 5 kt. Seas 1 foot or less.

$$