Coastal Waters Forecast
Issued by NWS Portland, ME

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465
FZUS51 KGYX 110901
CWFGYX

Coastal Waters Forecast
National Weather Service Gray ME
500 AM EDT Mon Aug 11 2025

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

ANZ100-112200-
500 AM EDT Mon Aug 11 2025

.Synopsis for Stonington ME to Merrimack River Ma out to 25 NM
The weather remains in the grips of high pressure through early this
week with prevailing south to southwest flow. A cold front
approaches toward midweek and crosses the waters late Thursday or
Thursday night. High pressure builds in behind the front by late
week. Overall winds are expected to remain light with seas below 5
feet.

$$

ANZ154-112200-
Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out
25 NM-
500 AM EDT Mon Aug 11 2025

.TODAY...S winds 5 to 10 kt. Seas 2 to 3 ft. SE swell 2 to 3 ft at
8 seconds. Light swells. Patchy fog early this morning with vsby
1 to 3 NM.
.TONIGHT...SW winds 5 to 10 kt. Seas around 3 ft. E swell 2 to 3 ft
at 8 seconds. Light swells.
.TUE...SW winds 5 to 10 kt. Seas around 3 ft. E swell around 3 ft at
9 seconds. Light swells.
.TUE NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas around
3 ft. E swell around 3 ft at 8 seconds. Light swells. Patchy fog
after midnight with vsby 1 to 3 NM.
.WED...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to
25 kt in the afternoon. Seas around 3 ft. E swell 2 to 3 ft at
8 seconds. Light swells. Patchy fog in the morning with vsby 1 to
3 NM.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
around 3 ft. E swell 2 to 4 ft at 6 seconds. Light swells. A chance
of showers.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. SE swell 2 to 3 ft at
7 seconds. Light swells. A chance of showers.
.THU NIGHT...W winds 5 to 10 kt, becoming N with gusts up to 20 kt
after midnight. Seas around 2 ft. SE swell around 2 ft at 8 seconds.
Light swells. A chance of showers in the evening.
.FRI...NE winds 5 to 10 kt with gusts up to 20 kt, becoming E in the
afternoon. Seas around 2 ft. SE swell around 2 ft at 8 seconds.
Light swells.
.FRI NIGHT...S winds around 5 kt, becoming W after midnight. Seas
around 2 ft. SE swell around 2 ft at 8 seconds. Light swells.

$$

ANZ152-112200-
Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM-
500 AM EDT Mon Aug 11 2025

.TODAY...S winds 5 to 10 kt. Seas 2 to 3 ft. SE swell 2 to 4 ft at
8 seconds. Light swells. Patchy fog early this morning with vsby
1 NM or less.
.TONIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. SE swell 2 to 4 ft at
8 seconds. Light swells. Patchy fog in the evening. Areas of fog
after midnight. Vsby 1 to 3 NM.
.TUE...SW winds 5 to 10 kt. Seas around 3 ft. E swell 2 to 3 ft at
8 seconds. Light swells. Patchy fog. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. E swell 2 to 3 ft
at 8 seconds. Light swells. Patchy fog. Vsby 1 to 3 NM.
.WED...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. E swell 2 to 3 ft at
7 seconds. Light swells. Patchy fog in the morning with vsby 1 to
3 NM.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
around 3 ft. SE swell 2 to 3 ft at 6 seconds. Light swells. A chance
of showers.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. S swell 2 to 3 ft at
7 seconds. Light swells. A chance of showers.
.THU NIGHT...W winds 5 to 10 kt, becoming N with gusts up to 20 kt
after midnight. Seas 2 to 3 ft. S swell 2 to 3 ft at 7 seconds.
Light swells.
.FRI...N winds 5 to 10 kt with gusts up to 20 kt, becoming SE in the
afternoon. Seas 2 to 3 ft. SE swell 2 to 3 ft at 8 seconds. Light
swells.
.FRI NIGHT...SW winds around 5 kt, becoming W after midnight. Seas
around 2 ft. SE swell around 2 ft at 8 seconds. Light swells.

$$

ANZ150-112200-
Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM-
500 AM EDT Mon Aug 11 2025

.TODAY...S winds 5 to 10 kt. Seas 2 to 3 ft. SE swell 2 to 3 ft at
8 seconds. Light swells. Patchy dense fog early this morning with
vsby 1 NM or less.
.TONIGHT...S winds 5 to 10 kt. Seas around 3 ft. SE swell 2 to 3 ft
at 8 seconds. Light swells. Areas of fog. Vsby 1 NM or less,
increasing to 1 to 3 NM after midnight.
.TUE...S winds 5 to 10 kt. Seas 2 to 3 ft. SE swell 2 to 3 ft at
8 seconds. Light swells. Areas of fog in the morning, then patchy
fog in the afternoon. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. SE swell 2 to 3 ft
at 8 seconds. Light swells. Patchy fog. Vsby 1 to 3 NM.
.WED...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 3 ft. SE swell 2 to 3 ft at
7 seconds. Light swells. Patchy fog in the morning with vsby 1 to
3 NM.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. S swell 2 to 3 ft at 6 seconds. Light swells. A chance of
showers.
.THU...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. S
swell 2 to 3 ft at 6 seconds. Light swells. A chance of showers.
.THU NIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas
2 to 3 ft. S swell 2 to 3 ft at 7 seconds. Light swells. A chance of
showers in the evening.
.FRI...N winds 5 to 10 kt with gusts up to 20 kt, becoming SE in the
afternoon. Seas 2 to 3 ft. SE swell 2 to 3 ft at 8 seconds. Light
swells.
.FRI NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas
around 2 ft. SE swell around 2 ft at 8 seconds. Light swells.

$$

ANZ153-112200-
Casco Bay-
500 AM EDT Mon Aug 11 2025

.TODAY...SW winds around 5 kt, becoming S this afternoon. Seas 2 to
3 ft. E swell up to 3 ft at 4 seconds. Light swells. Patchy fog
early this morning with vsby 1 to 3 NM.
.TONIGHT...SW winds around 5 kt. Seas 2 to 3 ft. E swell up to 3 ft
at 4 seconds. Light swells. Patchy fog after midnight with vsby 1 to
3 NM.
.TUE...SW winds around 5 kt, becoming S in the afternoon. Seas 2 to
3 ft. E swell up to 3 ft at 4 seconds. Light swells. Patchy fog in
the morning with vsby 1 to 3 NM.
.TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. E swell up to 3 ft
at 6 seconds. Light swells. Patchy fog after midnight with vsby 1 to
3 NM.
.WED...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. E swell up to 3 ft at
7 seconds. Light swells. Patchy fog in the morning with vsby 1 to
3 NM.
.WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. E swell up to 3 ft
at 5 seconds. Light swells. A chance of showers.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. S swell up to 3 ft at
5 seconds. Light swells. A chance of showers in the afternoon.
.THU NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas
around 2 ft. SE swell up to 2 ft at 5 seconds. Light swells.
.FRI...N winds 5 to 10 kt, becoming SE in the afternoon. Seas around
2 ft. SE swell up to 2 ft at 4 seconds. Light swells.
.FRI NIGHT...SW winds around 5 kt, becoming W around 5 kt after
midnight. Seas around 2 ft. SE swell up to 2 ft at 4 seconds. Light
swells.

$$

ANZ151-112200-
Penobscot Bay-
500 AM EDT Mon Aug 11 2025

.TODAY...S winds around 5 kt, increasing to 5 to 10 kt this
afternoon. Seas around 2 ft. SE swell up to 2 ft at 5 seconds. Light
swells. Patchy dense fog early this morning with vsby 1 NM or less.
.TONIGHT...S winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Seas around 2 ft. SE swell up to 2 ft at 5 seconds. Light
swells. Areas of fog. Vsby 1 to 3 NM.
.TUE...S winds around 5 kt. Seas 1 foot or less. SE swell up to 2 ft
at 6 seconds. Light swells. Areas of fog in the morning, then patchy
fog in the afternoon. Vsby 1 to 3 NM.
.TUE NIGHT...S winds around 5 kt. Seas 1 foot or less. SE swell up
to 2 ft at 7 seconds. Light swells. Patchy fog. Vsby 1 to 3 NM.
.WED...S winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. S
swell up to 2 ft at 7 seconds. Light swells. Patchy fog in the
morning with vsby 1 to 3 NM.
.WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. S swell up to
3 ft at 6 seconds. Light swells. A chance of showers.
.THU...SW winds 5 to 10 kt. Seas around 2 ft. S swell 2 to 3 ft at
6 seconds. Light swells. A chance of showers.
.THU NIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas
around 2 ft. S swell up to 2 ft at 6 seconds. Light swells. A chance
of showers in the evening.
.FRI...N winds 5 to 10 kt, becoming W in the afternoon. Seas around
2 ft. S swell up to 2 ft at 6 seconds. Light swells.
.FRI NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas
around 2 ft in the evening, then 1 foot or less. SE swell up to 2 ft
at 6 seconds. Light swells.

$$