517
FZUS51 KGYX 171203
CWFGYX

Coastal Waters Forecast
National Weather Service Gray ME
802 AM EDT Mon Aug 17 2026

COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 60 NM

ANZ100-180100-
802 AM EDT Mon Aug 17 2026

.Synopsis for Stonington ME to Merrimack River Ma out to 60 NM...
A passing system this morning will bring an increase in southerly
winds and a few gusts to 25 knots outside of the bays. Seas will
build in response, but are forecast to remain below 5 feet. High
pressure slides south into midweek, with a cold front approaching the
waters Wednesday evening.

$$

ANZ151-180100-
Penobscot Bay-
802 AM EDT Mon Aug 17 2026

.TODAY...S winds 5 to 10 kt with gusts up to 20 kt, increasing to
10 to 15 kt with gusts up to 20 kt late this morning and afternoon.
Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds. Showers likely,
mainly this morning. Patchy fog this afternoon. Vsby 1 to 3 NM this
morning.
.TONIGHT...SE winds 5 to 10 kt, becoming E after midnight. Seas 2 to
3 ft. Wave Detail: S 2 ft at 5 seconds. A chance of showers. Patchy
fog. Vsby 1 NM or less.
.TUE...NE winds around 5 kt. Seas around 2 ft. Wave Detail: S 2 ft
at 5 seconds. A chance of showers in the morning. Patchy dense fog
in the morning with vsby 1 NM or less.
.TUE NIGHT...N winds around 5 kt. Seas 2 to 4 ft. Wave Detail: S
3 ft at 8 seconds.
.WED...W winds around 5 kt, becoming SW in the afternoon. Seas 2 to
4 ft. Wave Detail: S 3 ft at 8 seconds.
.WED NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. Wave Detail: S 2 ft at 6 seconds.
.THU...NW winds around 5 kt, becoming SW in the afternoon. Seas
around 2 ft.
.THU NIGHT...W winds around 5 kt, becoming NW after midnight. Seas
around 2 ft.
.FRI...N winds around 5 kt, becoming S in the afternoon. Seas around
2 ft.
.FRI NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas
1 foot or less.

$$

ANZ153-180100-
Casco Bay-
802 AM EDT Mon Aug 17 2026

.TODAY...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Showers this morning, then a slight chance of showers early this
afternoon. A chance of showers late. Patchy fog this afternoon with
vsby 1 to 3 NM.
.TONIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Seas
2 to 3 ft. Patchy fog. A chance of showers after midnight. Vsby 1 NM
or less.
.TUE...NE winds around 5 kt. Seas around 2 ft. A chance of showers
in the morning. Patchy dense fog in the morning with vsby 1 NM or
less.
.TUE NIGHT...NE winds around 5 kt, becoming W after midnight. Seas
2 to 3 ft.
.WED...SW winds around 5 kt, becoming S in the afternoon. Seas 2 to
3 ft.
.WED NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft.
.THU...NW winds around 5 kt, becoming S in the afternoon. Seas 2 to
3 ft.
.THU NIGHT...SW winds around 5 kt, becoming N after midnight. Seas
2 to 3 ft.
.FRI...N winds around 5 kt, becoming SE in the afternoon. Seas
around 2 ft.
.FRI NIGHT...S winds 5 to 10 kt, becoming NW after midnight. Seas
around 2 ft.

$$

ANZ150-180100-
Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM-
802 AM EDT Mon Aug 17 2026

.TODAY...S winds 15 to 20 kt, diminishing to 10 to 15 kt late. Seas
3 to 4 ft. Wave Detail: S 4 ft at 5 seconds. A chance of showers.
Patchy fog this afternoon.
.TONIGHT...SE winds 5 to 10 kt, becoming E after midnight. Seas 2 to
3 ft. Wave Detail: S 3 ft at 5 seconds. A chance of showers in the
evening, then showers likely after midnight. Patchy fog. Vsby 1 NM
or less.
.TUE...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at
7 seconds. A chance of showers in the morning. Patchy dense fog in
the morning with vsby 1 NM or less.
.TUE NIGHT...N winds 5 to 10 kt, becoming NW after midnight. Seas
3 to 5 ft. Wave Detail: S 5 ft at 9 seconds.
.WED...SW winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: SE 5 ft at
8 seconds.
.WED NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas
3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds.
.THU...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
around 3 ft.
.THU NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas
2 to 3 ft.
.FRI...N winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to
3 ft.
.FRI NIGHT...S winds around 5 kt, becoming N after midnight. Seas
around 2 ft.

$$

ANZ152-180100-
Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM-
802 AM EDT Mon Aug 17 2026

.TODAY...S winds 15 to 20 kt, diminishing to 10 to 15 kt with gusts
up to 20 kt late. Seas 3 to 4 ft. Wave Detail: S 4 ft at 5 seconds.
Showers likely, mainly this morning. Patchy fog this afternoon with
vsby 1 to 3 NM.
.TONIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Seas
2 to 3 ft. Wave Detail: S 3 ft at 5 seconds. A chance of showers.
Patchy fog. Vsby 1 NM or less.
.TUE...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at
6 seconds. A chance of showers in the morning. Patchy dense fog in
the morning with vsby 1 NM or less.
.TUE NIGHT...NE winds around 5 kt, becoming NW after midnight. Seas
2 to 4 ft. Wave Detail: SE 4 ft at 9 seconds.
.WED...W winds around 5 kt, becoming S in the afternoon. Seas 3 to
4 ft. Wave Detail: SE 4 ft at 9 seconds.
.WED NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas
around 3 ft. Wave Detail: SE 3 ft at 8 seconds.
.THU...NW winds around 5 kt, becoming SW in the afternoon. Seas
around 3 ft.
.THU NIGHT...SW winds around 5 kt, becoming N after midnight. Seas
2 to 3 ft.
.FRI...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 2 ft.
.FRI NIGHT...S winds around 5 kt, becoming E after midnight. Seas
around 2 ft.

$$

ANZ154-180100-
Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out
25 NM-
802 AM EDT Mon Aug 17 2026

.TODAY...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Wave Detail: S 3 ft at 5 seconds. Showers likely, mainly this
morning. Patchy fog this afternoon with vsby 1 to 3 NM.
.TONIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 5 seconds. A chance of showers.
Patchy fog. Vsby 1 NM or less.
.TUE...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft
at 6 seconds. Patchy fog in the morning with vsby 1 NM or less.
.TUE NIGHT...NE winds around 5 kt, becoming W after midnight. Seas
2 to 4 ft. Wave Detail: SE 4 ft at 9 seconds.
.WED...SW winds around 5 kt, becoming S in the afternoon. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 9 seconds.
.WED NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds.
.THU...NW winds around 5 kt, becoming SE in the afternoon. Seas 2 to
3 ft.
.THU NIGHT...SW winds around 5 kt, becoming N after midnight. Seas
2 to 3 ft.
.FRI...NE winds around 5 kt, becoming E in the afternoon. Seas
around 2 ft.
.FRI NIGHT...SE winds around 5 kt, becoming E after midnight. Seas
around 2 ft.

$$

ANZ180-180100-
Waters from Stonington ME to Port Clyde ME from 25 to 60 NM-
802 AM EDT Mon Aug 17 2026

.TODAY...S winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at
5 seconds. A slight chance of showers until late afternoon, then a
chance of showers late. Patchy fog this afternoon. Vsby 1 to 3 NM
late.
.TONIGHT...SE winds 10 to 15 kt with gusts up to 20 kt, becoming E
after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds. A
chance of showers. Patchy fog. Vsby 1 NM or less.
.TUE...NE winds around 10 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at
6 seconds. A chance of showers in the morning. Patchy dense fog in
the morning with vsby 1 NM or less.
.TUE NIGHT...N winds 5 to 10 kt, becoming NW after midnight. Seas
3 to 5 ft. Wave Detail: SE 5 ft at 9 seconds.
.WED...W winds around 5 kt, becoming SW in the afternoon. Seas 4 to
5 ft. Wave Detail: SE 5 ft at 8 seconds.
.WED NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S
4 ft at 8 seconds.
.THU...W winds 5 to 10 kt. Seas around 3 ft.
.THU NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas
around 3 ft.
.FRI...NE winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to
3 ft.
.FRI NIGHT...SE winds around 5 kt. Seas around 2 ft.

$$

ANZ182-180100-
Waters from Port Clyde ME to Cape Elizabeth ME from 25 to 60 NM-
802 AM EDT Mon Aug 17 2026

.TODAY...S winds around 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: S 4 ft at 5 seconds. A slight chance of showers
early this morning, then a chance of showers late this morning and
afternoon. Patchy fog this afternoon. Vsby 1 to 3 NM late.
.TONIGHT...SE winds 10 to 15 kt with gusts up to 20 kt, becoming E
5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at
5 seconds. Showers likely, mainly in the evening. Patchy fog. Vsby
1 NM or less.
.TUE...NE winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at
6 seconds. Patchy dense fog in the morning with vsby 1 NM or less.
.TUE NIGHT...N winds 5 to 10 kt, becoming NW after midnight. Seas
3 to 5 ft. Wave Detail: SE 5 ft at 9 seconds.
.WED...W winds around 5 kt, becoming SW in the afternoon. Seas 3 to
4 ft. Wave Detail: SE 4 ft at 8 seconds.
.WED NIGHT...S winds 10 to 15 kt, becoming SW after midnight. Seas
3 to 4 ft. Wave Detail: S 4 ft at 8 seconds.
.THU...NW winds 5 to 10 kt, becoming W in the afternoon. Seas around
3 ft.
.THU NIGHT...SW winds around 5 kt, becoming N after midnight. Seas
around 3 ft.
.FRI...NE winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to
3 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft.

$$

ANZ184-180100-
Waters from Cape Elizabeth ME to Merrimack River MA from 25 to 60 NM-
802 AM EDT Mon Aug 17 2026

.TODAY...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft.
Wave Detail: S 4 ft at 5 seconds. A chance of showers this morning,
then a slight chance of showers early this afternoon. Showers likely
late. Patchy fog this afternoon with vsby 1 to 3 NM.
.TONIGHT...SE winds 10 to 15 kt with gusts up to 20 kt, becoming NE
5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at
5 seconds. Showers likely, mainly in the evening. Patchy fog. Vsby
1 NM or less.
.TUE...NE winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at
7 seconds. Patchy fog in the morning with vsby 1 NM or less.
.TUE NIGHT...N winds around 5 kt, becoming NW after midnight. Seas
3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds.
.WED...W winds around 5 kt, becoming S in the afternoon. Seas 3 to
4 ft. Wave Detail: SE 4 ft at 8 seconds.
.WED NIGHT...S winds 10 to 15 kt, becoming W after midnight. Seas
around 3 ft. Wave Detail: SE 3 ft at 8 seconds.
.THU...NW winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to
3 ft.
.THU NIGHT...SW winds around 5 kt, becoming N after midnight. Seas
2 to 3 ft.
.FRI...NE winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to
3 ft.
.FRI NIGHT...SE winds around 5 kt. Seas around 2 ft.

$$