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Monhegan Island, ME Coastal Forecast

FZUS51 KGYX 161207
CWFGYX

Coastal Waters Forecast
National Weather Service Gray ME
706 AM EST Tue Dec 16 2025

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

ANZ100-170100-
706 AM EST Tue Dec 16 2025

.Synopsis for Stonington ME to Merrimack River Ma out to 25 NM...
High pressure builds in and settles south of the waters today. Low
pressure passes north of New England Wednesday with SW winds
approaching Gale force. Winds briefly turn offshore Wednesday night
before increasing out of the south Thursday ahead of a cold front.
Southerly winds will likely gust to Gale force Thursday night into
Friday and then will shift westerly Friday night behind the front.

$$

ANZ154-170100-
Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out
25 NM-
706 AM EST Tue Dec 16 2025

...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY
EVENING...

.TODAY...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Wave Detail: W 3 ft at 4 seconds.
.TONIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. Gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at
5 seconds.
.WED...SW winds 20 to 25 kt with gusts up to 40 kt. Seas 5 to 7 ft.
Wave Detail: S 6 ft at 6 seconds.
.WED NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: SW 5 ft at 7 seconds and S 4 ft at 9 seconds.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt, becoming S 15 to
20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. Wave
Detail: S 4 ft at 4 seconds and SE 3 ft at 10 seconds.
.THU NIGHT...S winds 25 to 30 kt. Gusts up to 35 kt, increasing to
45 kt after midnight. Seas 5 to 7 ft, building to 7 to 10 ft after
midnight. Wave Detail: S 7 ft at 6 seconds, becoming S 9 ft at
7 seconds. Rain likely after midnight.
.FRI...S winds 25 to 35 kt with gusts up to 50 kt. Seas 9 to 12 ft.
Rain.
.FRI NIGHT...W winds 25 to 30 kt with gusts up to 45 kt. Seas 8 to
11 ft.
.SAT...W winds 20 to 25 kt with gusts up to 35 kt, diminishing to
15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 6 to 9 ft,
subsiding to 4 to 6 ft in the afternoon.
.SAT NIGHT...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to
7 ft. A chance of rain and snow after midnight with vsby 1 to 3 NM.

$$

ANZ152-170100-
Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM-
706 AM EST Tue Dec 16 2025

...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY
EVENING...

.TODAY...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Wave Detail: W 3 ft at 4 seconds.
.TONIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. Gusts up to 35 kt. Seas 3 to 5 ft, building to 5 to 7 ft
after midnight. Wave Detail: SW 4 ft at 5 seconds, becoming SW 7 ft
at 6 seconds.
.WED...SW winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to 10 ft.
Wave Detail: SW 9 ft at 7 seconds.
.WED NIGHT...W winds 20 to 25 kt, becoming NW 15 to 20 kt after
midnight. Gusts up to 35 kt. Seas 5 to 8 ft, subsiding to 4 to 6 ft
after midnight. Wave Detail: S 7 ft at 8 seconds, becoming S 6 ft at
9 seconds.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt, becoming S 15 to
20 kt with gusts up to 30 kt in the afternoon. Seas 3 to 5 ft. Wave
Detail: S 4 ft at 5 seconds and S 4 ft at 9 seconds.
.THU NIGHT...S winds 25 to 35 kt with gusts up to 45 kt. Seas 5 to
8 ft, building to 9 to 13 ft after midnight. Wave Detail: S 8 ft at
7 seconds, becoming S 12 ft at 8 seconds. A chance of rain after
midnight.
.FRI...S winds 30 to 40 kt with gusts up to 55 kt. Seas 11 to 15 ft.
Rain.
.FRI NIGHT...W winds 25 to 35 kt with gusts up to 45 kt. Seas 10 to
14 ft, subsiding to 9 to 12 ft after midnight. A chance of rain in
the evening with vsby 1 to 3 NM.
.SAT...NW winds 25 to 30 kt with gusts up to 40 kt, becoming W 15 to
20 kt with gusts up to 25 kt in the afternoon. Seas 8 to 11 ft,
subsiding to 6 to 8 ft in the afternoon.
.SAT NIGHT...SW winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to
10 ft. A chance of rain and snow after midnight with vsby 1 to 3 NM.


$$

ANZ150-170100-
Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM-
706 AM EST Tue Dec 16 2025

...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY
EVENING...

.TODAY...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Wave Detail: W 3 ft at 5 seconds and SE 2 ft at 10 seconds.
.TONIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. Gusts up to 35 kt. Seas 3 to 5 ft, building to 5 to 8 ft
after midnight. Wave Detail: SW 4 ft at 5 seconds, becoming SW 8 ft
at 7 seconds.
.WED...SW winds 25 to 30 kt with gusts up to 40 kt. Seas 8 to 11 ft.
Wave Detail: SW 10 ft at 8 seconds.
.WED NIGHT...W winds 20 to 25 kt, becoming NW 15 to 20 kt after
midnight. Gusts up to 35 kt. Seas 6 to 9 ft, subsiding to 5 to 7 ft
after midnight. Wave Detail: SW 8 ft at 8 seconds, becoming S 7 ft
at 9 seconds.
.THU...SW winds 5 to 10 kt with gusts up to 20 kt, becoming S 15 to
20 kt with gusts up to 30 kt in the afternoon. Seas 3 to 5 ft. Wave
Detail: S 5 ft at 9 seconds and S 4 ft at 5 seconds.
.THU NIGHT...S winds 25 to 30 kt. Gusts up to 35 kt, increasing to
45 kt after midnight. Seas 6 to 9 ft, building to 9 to 12 ft after
midnight. Wave Detail: S 9 ft at 7 seconds and S 2 ft at 10 seconds,
becoming S 12 ft at 8 seconds. A chance of rain after midnight.
.FRI...S winds 30 to 40 kt with gusts up to 55 kt. Seas 12 to 14 ft,
building to 13 to 16 ft in the afternoon. Rain.
.FRI NIGHT...W winds 25 to 35 kt with gusts up to 45 kt. Seas 11 to
15 ft. A chance of rain in the evening with vsby 1 to 3 NM.
.SAT...NW winds 25 to 30 kt with gusts up to 40 kt, becoming W 15 to
20 kt with gusts up to 25 kt in the afternoon. Seas 9 to 12 ft,
subsiding to 6 to 9 ft in the afternoon.
.SAT NIGHT...SW winds 25 to 30 kt with gusts up to 40 kt. Seas 6 to
9 ft, building to 8 to 10 ft after midnight. A chance of rain and
snow after midnight.

$$

ANZ153-170100-
Casco Bay-
706 AM EST Tue Dec 16 2025

.TODAY...W winds 5 to 10 kt. Seas around 2 ft.
.TONIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Seas 2 to 4 ft.
.WED...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft.
.WED NIGHT...W winds 15 to 20 kt with gusts up to 30 kt, diminishing
to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to
4 ft.
.THU...SW winds 5 to 10 kt with gusts up to 20 kt, becoming S 15 to
20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft.
.THU NIGHT...S winds 25 to 30 kt. Gusts up to 35 kt, increasing to
45 kt after midnight. Seas 3 to 5 ft, building to 5 to 7 ft after
midnight. Rain likely after midnight.
.FRI...S winds 25 to 35 kt with gusts up to 45 kt. Seas 5 to 8 ft.
Rain.
.FRI NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to
7 ft. A chance of rain in the evening.
.SAT...NW winds 15 to 20 kt with gusts up to 30 kt, becoming W 10 to
15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 5 ft.
.SAT NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. A chance of rain and snow after midnight with vsby 1 to 3 NM.

$$

ANZ151-170100-
Penobscot Bay-
706 AM EST Tue Dec 16 2025

...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY
EVENING...

.TODAY...W winds 5 to 10 kt. Seas around 2 ft.
.TONIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 2 to 3 ft, building to 3 to 5 ft
after midnight. Wave Detail: SW 2 ft at 4 seconds, becoming S 4 ft
at 4 seconds.
.WED...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 3 to 5 ft.
.WED NIGHT...W winds 15 to 20 kt with gusts up to 30 kt, becoming NW
10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft.
Wave Detail: S 5 ft at 8 seconds.
.THU...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to
25 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: S 3 ft at
8 seconds.
.THU NIGHT...S winds 15 to 20 kt with gusts up to 30 kt, increasing
to 25 to 30 kt with gusts up to 40 kt after midnight. Seas 5 to
7 ft. Wave Detail: S 6 ft at 6 seconds. A chance of rain after
midnight.
.FRI...S winds 25 to 30 kt with gusts up to 45 kt. Seas 5 to 8 ft.
Rain.
.FRI NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to
7 ft. A chance of rain in the evening with vsby 1 to 3 NM.
.SAT...NW winds 20 to 25 kt with gusts up to 35 kt, diminishing to
10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 5 to 7 ft,
subsiding to 3 to 5 ft in the afternoon.
.SAT NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft. A chance of snow. A chance of rain after midnight. Vsby 1 to
3 NM.

$$



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