Coastal Waters Forecast
Issued by NWS Portland, ME

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FZUS51 KGYX 200539
CWFGYX

Coastal Waters Forecast
National Weather Service Gray ME
139 AM EDT Sun Jul 20 2025

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

ANZ100-201945-
139 AM EDT Sun Jul 20 2025

.Synopsis for Stonington ME to Merrimack River Ma out to 25 NM
A cold front will slowly approach the waters today. Ahead of the
front some patchy fog may try and form along the coast, mainly north
of Port Clyde. Showers and thunderstorms arrive over the waters this
evening. Some storms may be strong to severe, with hail and gusty
winds possible. High pressure builds in behind the front and holds
for much of the work week.

$$

ANZ154-201945-
Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out
25 NM-
139 AM EDT Sun Jul 20 2025

.TODAY...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft.
Wave Detail: S 3 ft at 5 seconds. Patchy fog early this morning.
Isolated showers late this morning and early afternoon. Isolated
tstms early this afternoon, then scattered showers and tstms late.
Vsby 1 to 3 NM this morning, then 1 to 3 NM late.
.TONIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 5 seconds. Showers likely with
scattered tstms in the evening with vsby 1 to 3 NM.
.MON...NW winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Wave Detail: SE 2 ft at 5 seconds.
.MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft.
.TUE...NW winds 5 to 10 kt, becoming S in the afternoon. Seas around
2 ft.
.TUE NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft.
.WED...W winds around 5 kt, becoming S in the afternoon. Seas 1 foot
or less, then around 2 ft in the afternoon.
.WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.

Winds and seas higher in and near tstms.

$$

ANZ152-201945-
Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM-
139 AM EDT Sun Jul 20 2025

.TODAY...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft.
Wave Detail: S 4 ft at 5 seconds. Patchy fog early this morning.
Isolated showers and tstms this morning. Scattered showers and tstms
this afternoon. Vsby 1 to 3 NM.
.TONIGHT...W winds 5 to 10 kt, becoming NW with gusts up to 20 kt
after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds.
Showers likely with scattered tstms in the evening with vsby 1 to
3 NM.
.MON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Wave Detail: NW 2 ft at 3 seconds and S 2 ft at 5 seconds.
.MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: NW 2 ft at 3 seconds and SE 2 ft at 7 seconds.
.TUE...NW winds 5 to 10 kt with gusts up to 20 kt, becoming SW in
the afternoon. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds.
.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 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU...SW winds 10 to 15 kt, becoming S 15 to 20 kt in the
afternoon. Seas 2 to 4 ft.
.THU NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Seas 3 to 4 ft. A chance of showers.

Winds and seas higher in and near tstms.

$$

ANZ150-201945-
Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM-
139 AM EDT Sun Jul 20 2025

.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. Patchy fog early this morning.
Isolated showers and tstms this morning, then scattered showers and
tstms this afternoon. Vsby 1 to 3 NM.
.TONIGHT...SW winds 5 to 10 kt, becoming NW with gusts up to 20 kt
after midnight. Seas 2 to 4 ft. Wave Detail: S 4 ft at 5 seconds.
Scattered showers and tstms in the evening. Patchy fog in the
evening with vsby 1 NM or less.
.MON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Wave Detail: S 2 ft at 5 seconds.
.MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: S 2 ft at 7 seconds.
.TUE...NW winds 5 to 10 kt with gusts up to 20 kt, becoming SW in
the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds.
.TUE NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S
2 ft at 7 seconds.
.WED...W winds around 5 kt, becoming SW in the afternoon. Seas
around 2 ft.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. A chance of showers.

Winds and seas higher in and near tstms.

$$

ANZ153-201945-
Casco Bay-
139 AM EDT Sun Jul 20 2025

.TODAY...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Patchy fog early this morning. Isolated showers and tstms this
morning, then rain and scattered tstms this afternoon. Vsby 1 to
3 NM late this morning and afternoon.
.TONIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely with
scattered tstms in the evening with vsby 1 to 3 NM.
.MON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.MON NIGHT...NW winds 5 to 10 kt. Seas around 2 ft.
.TUE...NW winds 5 to 10 kt, becoming SW 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 in the afternoon. Seas 1 foot
or less, then around 2 ft in the afternoon.
.WED NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft.
.THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
.THU NIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after
midnight. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

$$

ANZ151-201945-
Penobscot Bay-
139 AM EDT Sun Jul 20 2025

.TODAY...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at
5 seconds. Patchy fog early this morning. A slight chance of showers
and tstms this morning, then showers likely with scattered tstms
this afternoon. Vsby 1 to 3 NM.
.TONIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas
2 to 3 ft. Wave Detail: S 2 ft at 5 seconds. Scattered showers and
tstms in the evening. Patchy dense fog in the evening with vsby 1 NM
or less.
.MON...NW winds 5 to 10 kt. Seas around 2 ft.
.MON NIGHT...NW winds 5 to 10 kt. Seas around 2 ft.
.TUE...NW winds 5 to 10 kt, becoming W in the afternoon. Seas around
2 ft.
.TUE NIGHT...W winds around 5 kt. Seas around 2 ft.
.WED...W winds around 5 kt, becoming S in the afternoon. Seas 1 foot
or less.
.WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.THU...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
.THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.

Winds and seas higher in and near tstms.

$$