507
FZUS51 KGYX 192357
CWFGYX

Coastal Waters Forecast
National Weather Service Gray ME
757 PM EDT Tue Aug 19 2025

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

ANZ100-201400-
757 PM EDT Tue Aug 19 2025

.Synopsis for Stonington ME to Merrimack River Ma out to 25 NM
A wave of low pressure tracks south of the waters Wednesday followed
by high pressure building in from the north Thursday into the
weekend. Long period swell from Erin passing well southeast of the
waters will build Thursday and peak late Friday into Saturday. The
gradient from Erin and high pressure to the north will bring
increasing northeast flow Thursday and Friday. Flow shifts out of the
south late in the weekend ahead of an approaching cold front.

$$

ANZ154-201400-
Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out
25 NM-
757 PM EDT Tue Aug 19 2025

.TONIGHT...S winds 5 to 10 kt, diminishing to around 5 kt towards
daybreak. Seas 2 to 3 ft. Wave Detail: E 2 ft at 5 seconds and SE
2 ft at 11 seconds.
.WED...E winds around 5 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at
5 seconds and SE 2 ft at 15 seconds.
.WED NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 14 seconds. A chance of showers.
.THU...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 4 ft.
Wave Detail: SE 3 ft at 15 seconds and SE 2 ft at 5 seconds.
.THU NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas 3 to 4 ft, building to 4 to 6 ft after midnight. Wave
Detail: SE 4 ft at 17 seconds and SE 3 ft at 6 seconds, becoming SE
4 ft at 17 seconds.
.FRI...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 7 ft.
Wave Detail: E 5 ft at 9 seconds and SE 4 ft at 17 seconds.
.FRI NIGHT...NE winds 5 to 10 kt, becoming NW with gusts up to 20 kt
after midnight. Seas 6 to 8 ft.
.SAT...NW winds around 10 kt, becoming S in the afternoon. Seas 7 to
8 ft.
.SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to
8 ft.
.SUN...S winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 7 ft.
.SUN NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of showers.

$$

ANZ152-201400-
Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM-
757 PM EDT Tue Aug 19 2025

.TONIGHT...S winds 5 to 10 kt, diminishing to around 5 kt towards
daybreak. Seas 2 to 3 ft. Wave Detail: S 3 ft at 16 seconds and E
2 ft at 4 seconds.
.WED...SE winds around 5 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at
15 seconds.
.WED NIGHT...E winds around 5 kt. Seas 3 to 4 ft. Wave Detail: S
3 ft at 13 seconds. A chance of showers.
.THU...E winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at
14 seconds.
.THU NIGHT...E winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts
up to 20 kt after midnight. Seas 4 to 6 ft. Wave Detail: S 6 ft at
17 seconds.
.FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 8 ft.
Wave Detail: S 7 ft at 17 seconds and SE 4 ft at 8 seconds.
.FRI NIGHT...NE winds 5 to 10 kt, becoming N with gusts up to 20 kt
after midnight. Seas 7 to 10 ft.
.SAT...NW winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon.
Seas 7 to 9 ft.
.SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
8 ft.
.SUN...S winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 6 ft.
.SUN NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of showers.

$$

ANZ150-201400-
Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM-
757 PM EDT Tue Aug 19 2025

.TONIGHT...S winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 16 seconds and SE
2 ft at 11 seconds.
.WED...SE winds around 5 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at
14 seconds.
.WED NIGHT...E winds around 5 kt. Seas 3 to 4 ft. Wave Detail: S
4 ft at 13 seconds.
.THU...E winds around 5 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at
15 seconds.
.THU NIGHT...NE winds 5 to 10 kt. Seas 4 to 5 ft, building to 5 to
7 ft after midnight. Wave Detail: S 5 ft at 17 seconds, becoming S
6 ft at 17 seconds.
.FRI...NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 6 to 9 ft. Wave Detail: S 8 ft at 17 seconds and SE
4 ft at 8 seconds.
.FRI NIGHT...N winds 5 to 10 kt. Seas 7 to 10 ft.
.SAT...N winds around 10 kt, becoming SW in the afternoon. Seas 7 to
9 ft, subsiding to 6 to 7 ft in the afternoon.
.SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
7 ft.
.SUN...S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft.
.SUN NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
5 ft. A chance of showers.

$$

ANZ153-201400-
Casco Bay-
757 PM EDT Tue Aug 19 2025

.TONIGHT...S winds 5 to 10 kt, becoming SW towards daybreak. Seas
around 2 ft.
.WED...E winds around 5 kt, becoming SE in the afternoon. Seas 2 to
3 ft.
.WED NIGHT...E winds around 5 kt. Seas 2 to 3 ft. A chance of
showers in the evening.
.THU...E winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft.
.FRI...NE winds 5 to 10 kt. Seas 2 to 4 ft.
.FRI NIGHT...NE winds 5 to 10 kt, becoming NW after midnight. Seas
3 to 5 ft.
.SAT...W winds 5 to 10 kt, becoming S with gusts up to 20 kt in the
afternoon. Seas 4 to 6 ft.
.SAT NIGHT...S winds around 10 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.SUN...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft.
.SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.

$$

ANZ151-201400-
Penobscot Bay-
757 PM EDT Tue Aug 19 2025

.TONIGHT...S winds 5 to 10 kt, becoming SW late this evening and
early morning, then becoming light and variable towards daybreak.
Seas around 2 ft.
.WED...SE winds around 5 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at
14 seconds.
.WED NIGHT...S winds around 5 kt in the evening, becoming light and
variable. Seas 2 to 3 ft. Wave Detail: S 3 ft at 13 seconds.
.THU...E winds around 5 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at
14 seconds.
.THU NIGHT...E winds around 5 kt, becoming NE after midnight. Seas
2 to 4 ft. Wave Detail: S 4 ft at 17 seconds.
.FRI...NE winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at
17 seconds.
.FRI NIGHT...NE winds around 5 kt. Seas 4 to 6 ft.
.SAT...NW winds 5 to 10 kt, becoming S in the afternoon. Seas 3 to
5 ft.
.SAT NIGHT...S winds around 10 kt. Seas 2 to 4 ft.
.SUN...S winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN NIGHT...S 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.

$$