Coastal Waters Forecast
Issued by NWS Portland, ME

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049
FZUS51 KGYX 221008
CWFGYX

Coastal Waters Forecast
National Weather Service Gray ME
607 AM EDT Mon Sep 22 2025

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

ANZ100-222300-
607 AM EDT Mon Sep 22 2025

.Synopsis for Stonington ME to Merrimack River Ma out to 25 NM
High pressure remains over the area today before exiting to the east
Tuesday into Wednesday. This will result in generally light winds
and low seas today. Persistent south to southeast winds will bring a
slow increase in wave heights tonight into Wednesday though. A
frontal system approaches the waters from the west midweek, with high
pressure potentially returning late week.

$$

ANZ154-222300-
Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out
25 NM-
607 AM EDT Mon Sep 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY EVENING...

.TODAY...SW winds around 5 kt, becoming S this afternoon. Seas
around 3 ft. Wave Detail: SE 3 ft at 11 seconds and SE 2 ft at
4 seconds.
.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Wave Detail: SE 4 ft at 11 seconds and S 3 ft at 4 seconds.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt, becoming S 5 to
10 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: SE 5 ft at
12 seconds. A chance of showers in the afternoon.
.TUE NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas
4 to 5 ft. Wave Detail: SE 5 ft at 12 seconds. Showers likely.
.WED...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft.
Wave Detail: SE 5 ft at 12 seconds. Showers likely, mainly in the
morning.
.WED NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Wave Detail: SE 5 ft at 11 seconds. A chance of showers.
.THU...E winds around 10 kt, becoming SE in the afternoon. Seas 3 to
4 ft. A chance of showers.
.THU NIGHT...S winds 5 to 10 kt. Seas around 3 ft. A chance of
showers.
.FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft.
A chance of showers.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance
of showers.

$$

ANZ152-222300-
Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM-
607 AM EDT Mon Sep 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY EVENING...

.TODAY...S winds 5 to 10 kt. Seas around 3 ft. Wave Detail: S 2 ft
at 3 seconds and SE 2 ft at 12 seconds.
.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Wave Detail: S 3 ft at 4 seconds and SE 3 ft at 11 seconds.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to
5 to 10 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: SE 4 ft at
11 seconds and SW 3 ft at 4 seconds. A chance of showers in the
afternoon.
.TUE NIGHT...SW winds around 5 kt, becoming N after midnight. Seas
4 to 5 ft. Wave Detail: SE 5 ft at 12 seconds and SW 2 ft at
4 seconds. Showers likely.
.WED...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft.
Wave Detail: SE 5 ft at 12 seconds. Showers likely, mainly in the
morning.
.WED NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 3 to 5 ft. Wave
Detail: SE 4 ft at 11 seconds. A chance of showers.
.THU...E winds 5 to 10 kt, becoming SE in the afternoon. Seas 3 to
4 ft. A chance of showers.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft.
Showers likely, mainly in the morning.
.FRI NIGHT...SW winds 5 to 10 kt. Seas around 3 ft. A chance of
showers.

$$

ANZ150-222300-
Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM-
607 AM EDT Mon Sep 22 2025

.TODAY...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at
11 seconds.
.TONIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: S 3 ft at
4 seconds and SE 3 ft at 11 seconds.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to
5 to 10 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: SE 4 ft at
11 seconds and SW 2 ft at 4 seconds. A chance of showers in the
afternoon.
.TUE NIGHT...SW winds around 5 kt, becoming N after midnight. Seas
around 4 ft. Wave Detail: SE 4 ft at 12 seconds and SW 2 ft at
4 seconds. Showers likely.
.WED...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft.
Wave Detail: SE 4 ft at 12 seconds. Showers likely, mainly in the
morning.
.WED NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave
Detail: SE 4 ft at 11 seconds. A chance of showers.
.THU...E winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to
3 ft. A chance of showers.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Showers likely.
.FRI NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 2 to 3 ft. A chance of showers.

$$

ANZ153-222300-
Casco Bay-
607 AM EDT Mon Sep 22 2025

.TODAY...SW winds around 5 kt, becoming S with gusts up to 20 kt
this afternoon. Seas 2 to 3 ft. Patchy fog early this morning with
vsby 1 to 3 NM.
.TONIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers in
the afternoon.
.TUE NIGHT...SW winds around 5 kt, becoming N after midnight. Seas
2 to 4 ft. Showers likely.
.WED...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Showers likely, mainly in the morning.
.WED NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. A chance of
showers.
.THU...E winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to
3 ft. A chance of showers.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.FRI...S winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. A chance of showers.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.

$$

ANZ151-222300-
Penobscot Bay-
607 AM EDT Mon Sep 22 2025

.TODAY...S winds 5 to 10 kt. Seas around 2 ft. Patchy fog this
morning with vsby 1 to 3 NM.
.TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE...SW winds around 5 kt. Seas 2 to 3 ft. A chance of showers in
the afternoon.
.TUE NIGHT...SW winds around 5 kt, becoming N after midnight. Seas
2 to 3 ft. Wave Detail: SE 2 ft at 12 seconds. Showers likely.
.WED...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Showers likely, mainly in the morning.
.WED NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.THU...E winds around 5 kt, becoming SE in the afternoon. Seas
around 2 ft. A chance of showers.
.THU NIGHT...S winds around 5 kt. Seas around 2 ft. A chance of
showers.
.FRI...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers.
.FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.

$$