396
FZUS51 KPHI 212004
CWFPHI

Coastal Waters Forecast for New Jersey and Delaware
National Weather Service Mount Holly NJ
401 PM EDT Thu Aug 21 2025

Sandy Hook NJ to Fenwick Island DE to 20 NM offshore and Delaware
Bay

ANZ400-220900-
401 PM EDT Thu Aug 21 2025

.SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK
ISLAND DE AND FOR DELAWARE BAY...
Hurricane Erin lies several hundred miles east of the Carolina
coast and will track out to sea tonight through Friday.
Meanwhile, high pressure centered over the Great Lakes will
build east, and will eventually be overhead on Friday before
departing this weekend. A cold front passes through the region
Sunday night through Monday morning, followed by another cold
front on Tuesday. High pressure returns for the middle to the
end of next week.

$$

ANZ450-220900-
Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 nm-
401 PM EDT Thu Aug 21 2025

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas
11 to 15 ft, subsiding to 9 to 13 ft after midnight. Wave Detail:
E 14 ft at 13 seconds, becoming E 13 ft at 12 seconds.
.FRI...N winds 15 to 20 kt with gusts up to 30 kt, becoming NE
10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 8 to
11 ft, subsiding to 6 to 9 ft in the afternoon. Wave Detail: E
10 ft at 12 seconds, becoming E 8 ft at 12 seconds.
.FRI NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
5 to 7 ft. Wave Detail: E 6 ft at 11 seconds.
.SAT...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: E 5 ft at
11 seconds.
.SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 11 seconds and S 3 ft at 7 seconds.
.SUN...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft
at 11 seconds and S 2 ft at 5 seconds.
.SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 3 to 4 ft. A
chance of showers after midnight.
.MON...SW winds 5 to 10 kt. Seas around 3 ft. A chance of
showers.
.MON NIGHT...W winds 5 to 10 kt. Seas around 3 ft. A chance of
showers in the evening.
.TUE...W winds around 10 kt. Seas around 3 ft.
.TUE NIGHT...W winds around 10 kt. Seas 2 to 4 ft.

$$

ANZ451-220900-
Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out
20 nm-
401 PM EDT Thu Aug 21 2025

...TROPICAL STORM WARNING IN EFFECT...

.TONIGHT...NE winds 30 to 35 kt with gusts up to 45 kt, becoming
N 25 to 30 kt with gusts up to 40 kt late this evening and
overnight. Seas 13 to 17 ft, subsiding to 11 to 15 ft after
midnight. Wave Detail: NE 16 ft at 12 seconds, becoming NE 14 ft
at 12 seconds.
.FRI...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 10 to 13 ft, subsiding to 8 to 11 ft in the
afternoon. Wave Detail: E 11 ft at 12 seconds, becoming E 10 ft
at 12 seconds.
.FRI NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
6 to 9 ft, subsiding to 5 to 7 ft after midnight. Wave Detail: E
8 ft at 11 seconds, becoming E 6 ft at 11 seconds.
.SAT...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: E 5 ft at
11 seconds and SE 1 foot at 9 seconds.
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: E
4 ft at 11 seconds and S 3 ft at 8 seconds.
.SUN...S winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: E 4 ft
at 11 seconds and S 3 ft at 5 seconds.
.SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 3 to 4 ft. A
chance of showers after midnight.
.MON...SW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers.
.MON NIGHT...W winds around 10 kt. Seas 3 to 4 ft. A chance of
showers in the evening.
.TUE...W winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft.

$$

ANZ452-220900-
Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out
20 nm-
401 PM EDT Thu Aug 21 2025

...TROPICAL STORM WARNING IN EFFECT...

.TONIGHT...NE winds 30 to 35 kt with gusts up to 45 kt, becoming
N 25 to 35 kt with gusts up to 45 kt late this evening and
overnight. Seas 13 to 18 ft, subsiding to 11 to 15 ft after
midnight. Wave Detail: E 18 ft at 13 seconds, becoming NE 15 ft
at 11 seconds.
.FRI...N winds 25 to 30 kt, becoming NE 15 to 20 kt in the
afternoon. Seas 9 to 13 ft. Wave Detail: E 12 ft at 12 seconds.
.FRI NIGHT...SE winds 5 to 10 kt, becoming SW after midnight.
Seas 7 to 10 ft, subsiding to 6 to 7 ft after midnight. Wave
Detail: E 8 ft at 11 seconds, becoming E 7 ft at 11 seconds.
.SAT...S winds 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: E 6 ft at
11 seconds and S 1 foot at 9 seconds.
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: E
4 ft at 11 seconds and S 2 ft at 8 seconds.
.SUN...S winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: E 4 ft
at 11 seconds and S 2 ft at 7 seconds.
.SUN NIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 3 to 4 ft. A chance of showers after midnight.
.MON...SW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers.
.MON NIGHT...W winds around 10 kt. Seas 3 to 4 ft. A chance of
showers in the evening.
.TUE...W winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft.

$$

ANZ453-220900-
Coastal waters from Great Egg Inlet to Cape May NJ out 20 nm-
401 PM EDT Thu Aug 21 2025

...TROPICAL STORM WARNING IN EFFECT...

.TONIGHT...N winds 30 to 35 kt with gusts up to 45 kt,
diminishing to 20 to 25 kt with gusts up to 35 kt. Seas 12 to
16 ft, subsiding to 10 to 14 ft after midnight. Wave Detail: E
16 ft at 13 seconds, becoming E 14 ft at 11 seconds.
.FRI...N winds 20 to 25 kt, becoming NE 15 to 20 kt in the
afternoon. Seas 9 to 12 ft. Wave Detail: E 11 ft at 12 seconds.
.FRI NIGHT...SE winds 5 to 10 kt, becoming SW after midnight.
Seas 7 to 9 ft, subsiding to 6 to 7 ft after midnight. Wave
Detail: E 8 ft at 12 seconds, becoming E 7 ft at 12 seconds.
.SAT...S winds 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: E 6 ft at
12 seconds.
.SAT NIGHT...S winds around 10 kt. Seas 4 to 5 ft. Wave Detail: E
5 ft at 12 seconds and S 1 foot at 8 seconds.
.SUN...S winds around 10 kt. Seas 4 to 5 ft. Wave Detail: E 4 ft
at 12 seconds and S 1 foot at 7 seconds.
.SUN NIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 3 to 4 ft. A chance of showers after midnight.
.MON...SW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers.
.MON NIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft. A chance of
showers in the evening.
.TUE...W winds around 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...W winds around 10 kt. Seas 3 to 5 ft.

$$

ANZ454-220900-
Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
401 PM EDT Thu Aug 21 2025

...TROPICAL STORM WARNING IN EFFECT...

.TONIGHT...N winds 30 to 35 kt with gusts up to 45 kt,
diminishing to 20 to 25 kt with gusts up to 30 kt. Seas 11 to
15 ft, subsiding to 9 to 13 ft after midnight. Wave Detail: E
15 ft at 13 seconds and SE 9 ft at 8 seconds, becoming E 13 ft at
11 seconds.
.FRI...N winds 20 to 25 kt with gusts up to 30 kt, becoming NE
15 to 20 kt in the afternoon. Seas 9 to 12 ft, subsiding to 8 to
10 ft in the afternoon. Wave Detail: E 11 ft at 12 seconds,
becoming E 9 ft at 12 seconds.
.FRI NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
7 to 9 ft, subsiding to 6 to 7 ft after midnight. Wave Detail: E
8 ft at 12 seconds, becoming E 7 ft at 11 seconds.
.SAT...S winds 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: E 6 ft at
11 seconds.
.SAT NIGHT...S winds around 10 kt. Seas 4 to 5 ft. Wave Detail: E
5 ft at 12 seconds and SE 1 foot at 8 seconds.
.SUN...S winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: E 4 ft
at 12 seconds and S 1 foot at 7 seconds.
.SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 3 to 4 ft. A
chance of showers after midnight.
.MON...W winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers.
.MON NIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft. A chance of
showers in the evening.
.TUE...W winds around 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...W winds around 10 kt. Seas 2 to 4 ft.

$$

ANZ455-220900-
Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm-
401 PM EDT Thu Aug 21 2025

...TROPICAL STORM WARNING IN EFFECT...

.TONIGHT...N winds 25 to 30 kt with gusts up to 45 kt,
diminishing to 20 to 25 kt with gusts up to 30 kt late. Seas
12 to 16 ft, subsiding to 10 to 14 ft after midnight. Wave
Detail: NE 16 ft at 12 seconds, becoming NE 14 ft at 11 seconds.
.FRI...N winds 20 to 25 kt with gusts up to 30 kt, becoming NE
10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 9 to
12 ft. Wave Detail: E 11 ft at 12 seconds.
.FRI NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
6 to 9 ft. Wave Detail: E 8 ft at 12 seconds and N 1 foot at
5 seconds.
.SAT...S winds 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: E 6 ft at
11 seconds and SE 1 foot at 8 seconds.
.SAT NIGHT...S winds around 10 kt. Seas 4 to 5 ft. Wave Detail: E
5 ft at 12 seconds and SE 1 foot at 8 seconds.
.SUN...S winds around 10 kt. Seas 4 to 5 ft. Wave Detail: E 4 ft
at 12 seconds and S 1 foot at 7 seconds.
.SUN NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. A chance of
showers after midnight.
.MON...SW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers.
.MON NIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft. A chance of
showers in the evening.
.TUE...NW winds 5 to 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft.

$$

ANZ431-220900-
Delaware Bay waters south of East Point NJ to Slaughter Beach DE-
401 PM EDT Thu Aug 21 2025

...GALE WARNING IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

.TONIGHT...N winds 20 to 25 kt, diminishing to 15 to 20 kt late.
Seas 4 to 6 ft. Wave Detail: NE 6 ft at 6 seconds and S 4 ft at
16 seconds.
.FRI...N winds 15 to 20 kt with gusts up to 25 kt, becoming NE
5 to 10 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: NE 4 ft
at 5 seconds and SE 3 ft at 15 seconds.
.FRI NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
3 to 5 ft. Wave Detail: SE 3 ft at 6 seconds and SE 3 ft at
12 seconds.
.SAT...S winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SE 2 ft
at 6 seconds and SE 2 ft at 12 seconds.
.SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 5 seconds and SE 2 ft at 12 seconds.
.SUN...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 4 seconds and SE 2 ft at 12 seconds.
.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 after midnight.
.MON...W winds 5 to 10 kt. Seas around 2 ft. A chance of showers.
.MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft. A chance of
showers in the evening.
.TUE...W winds around 10 kt. Seas around 2 ft.
.TUE NIGHT...W winds around 10 kt. Seas around 2 ft.

$$

ANZ430-220900-
Delaware Bay waters north of East Point NJ to Slaughter Beach DE-
401 PM EDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...N winds 20 to 25 kt with gusts up to 30 kt,
diminishing to 15 to 20 kt with gusts up to 25 kt late this
evening and overnight. Seas 2 to 4 ft. Wave Detail: NE 4 ft at
5 seconds and SE 1 foot at 17 seconds.
.FRI...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE
5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: NE 3 ft
at 4 seconds and SE 1 foot at 15 seconds.
.FRI NIGHT...SE winds 5 to 10 kt, becoming SW after midnight.
Seas around 2 ft. Wave Detail: SE 1 foot at 6 seconds and SE
1 foot at 12 seconds.
.SAT...S winds 5 to 10 kt. Seas 1 to 2 ft. Wave Detail: SE 1 foot
at 5 seconds and SE 1 foot at 12 seconds.
.SAT NIGHT...S winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 3 seconds.
.SUN...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft
at 3 seconds.
.SUN NIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas around 2 ft. A chance of showers.
.MON...W winds 5 to 10 kt. Seas 1 foot or less. A chance of
showers.
.MON NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. A chance of
showers in the evening.
.TUE...W winds 5 to 10 kt. Seas 1 foot or less.
.TUE NIGHT...W winds 5 to 10 kt. Seas 1 foot or less.

$$