Coastal Waters Forecast
Issued by NWS Portland, ME

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
352
FZUS51 KGYX 122102
CWFGYX

Coastal Waters Forecast
National Weather Service Gray ME
502 PM EDT Sun Oct 12 2025

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

ANZ100-131000-
502 PM EDT Sun Oct 12 2025

.Synopsis for Stonington ME to Merrimack River Ma out to 25 NM
High pressure will reside north of the waters this evening. An ocean
storm will move up the East Coast through early week. Easterly fetch
will result in building wave heights today and tonight, with Gale
conditions overnight through Monday evening. The area of low pressure
will then be helped east by a cold front towards midweek.

$$

ANZ154-131000-
Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out
25 NM-
502 PM EDT Sun Oct 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...GALE WARNING IN EFFECT THROUGH LATE MONDAY NIGHT...

.TONIGHT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to
9 ft, building to 8 to 11 ft after midnight. Wave Detail: E 7 ft at
7 seconds and SE 2 ft at 13 seconds, becoming E 8 ft at 7 seconds
and SE 7 ft at 12 seconds. A slight chance of showers early this
evening, then a chance of showers late this evening and early
morning. Showers likely towards daybreak.
.MON...NE winds 25 to 30 kt with gusts up to 40 kt. Seas 9 to 13 ft,
building to 11 to 13 ft in the afternoon. Wave Detail: SE 11 ft at
11 seconds and NE 9 ft at 7 seconds, becoming SE 13 ft at
12 seconds. Showers.
.MON NIGHT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 10 to
13 ft. Wave Detail: E 13 ft at 12 seconds. Showers.
.TUE...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 8 to 11 ft.
Wave Detail: E 11 ft at 11 seconds. Showers likely.
.TUE NIGHT...N winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt after midnight. Seas 7 to 9 ft, subsiding to 6 to 7 ft
after midnight. Wave Detail: E 9 ft at 11 seconds, becoming SE 7 ft
at 10 seconds. A chance of showers.
.WED...NW winds 5 to 10 kt, becoming N 15 to 20 kt in the afternoon.
Seas 5 to 7 ft. Wave Detail: SE 6 ft at 10 seconds. A chance of
showers.
.WED NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
7 ft. A chance of showers.
.THU...N winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. A
chance of showers.
.THU NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
7 ft. A chance of showers in the evening.
.FRI...N winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.

$$

ANZ152-131000-
Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM-
502 PM EDT Sun Oct 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...GALE WARNING IN EFFECT THROUGH LATE MONDAY NIGHT...

.TONIGHT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to
8 ft, building to 7 to 10 ft after midnight. Wave Detail: E 6 ft at
6 seconds and SE 3 ft at 13 seconds, becoming SE 10 ft at 12 seconds
and E 7 ft at 7 seconds. A slight chance of showers late this
evening. A chance of showers after midnight.
.MON...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 9 to 12 ft.
Wave Detail: SE 12 ft at 12 seconds. A chance of showers.
.MON NIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 35 kt. Seas 9 to 12 ft. Wave Detail: SE 12 ft
at 12 seconds. Showers likely.
.TUE...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 7 to 10 ft.
Wave Detail: SE 10 ft at 11 seconds. Showers likely.
.TUE NIGHT...N winds 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: SE
8 ft at 11 seconds. A chance of showers.
.WED...NW winds 5 to 10 kt, becoming N 15 to 20 kt in the afternoon.
Seas 5 to 6 ft. Wave Detail: SE 6 ft at 10 seconds and NW 3 ft at
3 seconds. A chance of showers.
.WED NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
7 ft. A chance of showers.
.THU...N winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. A
chance of showers.
.THU NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
7 ft. A chance of showers.
.FRI...N winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.

$$

ANZ150-131000-
Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM-
502 PM EDT Sun Oct 12 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING...

.TONIGHT...NE winds around 20 kt with gusts up to 30 kt. Seas 5 to
7 ft, building to 6 to 9 ft after midnight. Wave Detail: E 6 ft at
6 seconds and SE 2 ft at 13 seconds, becoming SE 9 ft at 12 seconds
and E 6 ft at 7 seconds. A slight chance of showers after midnight.
A chance of showers towards daybreak.
.MON...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 8 to 11 ft.
Wave Detail: SE 11 ft at 12 seconds. A chance of showers in the
morning.
.MON NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 8 to
11 ft. Wave Detail: SE 11 ft at 12 seconds. A chance of showers.
.TUE...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 6 to 9 ft.
Wave Detail: SE 9 ft at 11 seconds. Showers likely, mainly in the
morning.
.TUE NIGHT...N winds 5 to 10 kt. Seas 5 to 8 ft. Wave Detail: SE
7 ft at 11 seconds. A chance of showers.
.WED...NW winds 5 to 10 kt, becoming N 15 to 20 kt in the afternoon.
Seas 4 to 6 ft. Wave Detail: SE 6 ft at 10 seconds and N 3 ft at
3 seconds. A chance of showers.
.WED NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft. A chance of showers.
.THU...N winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. A
chance of showers.
.THU NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
7 ft. A chance of showers.
.FRI...N winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. A
chance of showers in the morning.
.FRI NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft.

$$

ANZ153-131000-
Casco Bay-
502 PM EDT Sun Oct 12 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING...

.TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft. A slight chance of showers after midnight. A chance of showers
towards daybreak.
.MON...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft.
A chance of showers.
.MON NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 30 kt. Seas 4 to 6 ft. A chance of showers.
.TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft.
Showers likely, mainly in the morning.
.TUE NIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. A chance of
showers.
.WED...NW winds 5 to 10 kt, becoming N 15 to 20 kt in the afternoon.
Seas 3 to 5 ft. A chance of showers.
.WED NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of showers.
.THU...N winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. A
chance of showers in the morning.
.THU NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft.
.FRI...N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.

$$

ANZ151-131000-
Penobscot Bay-
502 PM EDT Sun Oct 12 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING...

.TONIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt late this
evening and overnight. Gusts up to 30 kt. Seas 2 to 4 ft. Wave
Detail: S 3 ft at 12 seconds and NE 2 ft at 3 seconds.
.MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft.
Wave Detail: SE 4 ft at 12 seconds.
.MON NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: SE 4 ft at 12 seconds. A chance of showers.
.TUE...NE winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SE 4 ft at
12 seconds. A chance of showers.
.TUE NIGHT...N winds around 5 kt. Seas 2 to 4 ft. Wave Detail: SE
3 ft at 11 seconds. A chance of showers.
.WED...NW winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to
25 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SE 2 ft at
10 seconds. A chance of showers.
.WED NIGHT...N winds around 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of showers.
.THU...N winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. A
chance of showers.
.THU NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. A chance of showers.
.FRI...N winds around 15 kt with gusts up to 25 kt. Seas 2 to 3 ft.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft.

$$