824
FZUS51 KPHI 210804
CWFPHI

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

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

ANZ400-212100-
401 AM EDT Thu Aug 21 2025

.SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK
ISLAND DE AND FOR DELAWARE BAY...
Hurricane Erin will make its closest pass to the Mid Atlantic
through today, bringing significant coastal and marine hazards
to the region. Erin will push farther out to sea tonight into
Friday as weak high pressure will builds into the area, with
fair weather expected through Saturday. A cold front will
approach the region on Sunday, then move offshore by Monday,
bringing more unsettled conditions. Cooler and drier high
pressure will then build into the region into the middle of next
week.

$$

ANZ450-212100-
Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 nm-
401 AM EDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...
...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.TODAY...NE winds 20 to 25 kt, increasing to 25 to 30 kt this
afternoon. Seas 9 to 13 ft, building to 11 to 15 ft this
afternoon. Wave Detail: E 12 ft at 11 seconds, becoming E 15 ft
at 13 seconds. A chance of showers early this morning, then a
slight chance of showers late this morning and afternoon.
.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 15 ft at 13 seconds, becoming E 13 ft at 13 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
11 ft at 13 seconds, becoming E 8 ft at 12 seconds.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: E
7 ft at 12 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 5 ft. Wave Detail: E 5 ft at
11 seconds.
.SAT NIGHT...S winds 10 to 15 kt. Seas around 4 ft. Wave Detail:
E 4 ft at 11 seconds and S 3 ft at 4 seconds.
.SUN...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers
in the afternoon.
.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 in the evening,
then showers likely after midnight.
.MON...S winds 5 to 10 kt. Seas 3 to 4 ft. Showers likely, mainly
in the morning.
.MON NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
3 to 4 ft. A chance of showers in the evening.

$$

ANZ451-212100-
Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out
20 nm-
401 AM EDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...
...TROPICAL STORM WARNING IN EFFECT...

.TODAY...NE winds 25 to 30 kt with gusts up to 40 kt, increasing
to 30 to 35 kt with gusts up to 45 kt this afternoon. Seas 10 to
14 ft, building to 13 to 18 ft this afternoon. Wave Detail: E
14 ft at 11 seconds, becoming E 17 ft at 13 seconds. A chance of
showers early this morning, then a slight chance of showers late
this morning and afternoon.
.TONIGHT...N winds 25 to 35 kt with gusts up to 45 kt. Seas 13 to
17 ft, subsiding to 11 to 15 ft after midnight. Wave Detail: NE
17 ft at 13 seconds, becoming NE 15 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 12 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. Wave Detail: E 9 ft at 12 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 6 ft at
12 seconds.
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: E
4 ft at 12 seconds and S 3 ft at 4 seconds.
.SUN...S winds 10 to 15 kt. Seas 4 to 5 ft.
.SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft. A chance of
showers.
.MON...S winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers.
.MON NIGHT...SW winds around 10 kt, becoming W after midnight.
Seas 3 to 4 ft. A chance of showers in the evening.

$$

ANZ452-212100-
Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out
20 nm-
401 AM EDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...
...TROPICAL STORM WARNING IN EFFECT...

.TODAY...NE winds 25 to 30 kt with gusts up to 40 kt, increasing
to 30 to 40 kt this afternoon. Seas 10 to 14 ft, building to
13 to 18 ft this afternoon. Wave Detail: E 14 ft at 15 seconds
and E 7 ft at 6 seconds, becoming E 18 ft at 13 seconds and SE
7 ft at 9 seconds. A chance of showers early this morning, then a
slight chance of showers late this morning. A chance of showers
this afternoon.
.TONIGHT...N winds 25 to 35 kt with gusts up to 45 kt. Seas 13 to
18 ft, subsiding to 11 to 15 ft after midnight. Wave Detail: E
18 ft at 13 seconds and SE 8 ft at 8 seconds, becoming E 15 ft at
13 seconds and SE 5 ft at 7 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 13 ft at 13 seconds.
.FRI NIGHT...SE winds 5 to 10 kt, becoming SW after midnight.
Seas 7 to 10 ft, subsiding to 6 to 8 ft after midnight. Wave
Detail: E 9 ft at 12 seconds, becoming E 7 ft at 12 seconds and
SE 1 foot at 9 seconds.
.SAT...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
5 to 7 ft. Wave Detail: E 6 ft at 12 seconds and S 1 foot at
9 seconds.
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: E
5 ft at 12 seconds and S 2 ft at 7 seconds.
.SUN...S winds 10 to 15 kt. Seas 4 to 5 ft.
.SUN NIGHT...S winds 10 to 15 kt. Seas around 4 ft. A chance of
showers.
.MON...SW winds 5 to 10 kt. Seas around 4 ft. A chance of
showers.
.MON NIGHT...SW winds around 10 kt, becoming W after midnight.
Seas around 4 ft. A chance of showers in the evening.

$$

ANZ453-212100-
Coastal waters from Great Egg Inlet to Cape May NJ out 20 nm-
401 AM EDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...
...TROPICAL STORM WARNING IN EFFECT...

.TODAY...NE winds 25 to 30 kt with gusts up to 40 kt, increasing
to 30 to 35 kt with gusts up to 45 kt this afternoon. Seas 9 to
13 ft, building to 12 to 16 ft this afternoon. Wave Detail: E
13 ft at 16 seconds and E 7 ft at 6 seconds, becoming E 16 ft at
13 seconds. A chance of showers, mainly this morning.
.TONIGHT...N winds 25 to 35 kt with gusts up to 45 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 12 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 12 ft at 12 seconds.
.FRI NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
6 to 9 ft. Wave Detail: E 9 ft at 12 seconds.
.SAT...S winds 5 to 10 kt. Seas 5 to 7 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.
.SUN NIGHT...S winds 10 to 15 kt. Seas around 4 ft. A chance of
showers.
.MON...SW winds 5 to 10 kt. Seas around 4 ft. A chance of
showers.
.MON NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 3 to 4 ft. A chance of showers in the evening.

$$

ANZ454-212100-
Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
401 AM EDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...
...TROPICAL STORM WARNING IN EFFECT...

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

$$

ANZ455-212100-
Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm-
401 AM EDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...
...TROPICAL STORM WARNING IN EFFECT...

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

$$

ANZ431-212100-
Delaware Bay waters south of East Point NJ to Slaughter Beach DE-
401 AM EDT Thu Aug 21 2025

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.TODAY...NE winds 20 to 25 kt with gusts up to 40 kt, becoming N
25 to 30 kt late. Seas 4 to 6 ft. Wave Detail: NE 5 ft at
5 seconds and SE 3 ft at 16 seconds. A slight chance of showers.
.TONIGHT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: SE 6 ft at 17 seconds and NE 5 ft at
5 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: SE 5 ft
at 14 seconds and N 4 ft at 5 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 3 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 6 seconds and SE 2 ft at 12 seconds.
.SUN...S winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN NIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 2 to 3 ft. A chance of showers.
.MON...SW winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers in the evening.

$$

ANZ430-212100-
Delaware Bay waters north of East Point NJ to Slaughter Beach DE-
401 AM EDT Thu Aug 21 2025

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

.TODAY...NE winds 15 to 20 kt, increasing to 20 to 25 kt this
afternoon. Seas 2 to 4 ft. Wave Detail: NE 4 ft at 4 seconds and
SE 1 foot at 15 seconds. A slight chance of showers this morning.
.TONIGHT...N winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Seas 2 to 4 ft. Wave Detail: NE 4 ft at 4 seconds and
SE 1 foot at 16 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: N 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 2 ft 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 6 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 4 seconds.
.SUN...S winds 10 to 15 kt. Seas around 2 ft. A chance of showers
in the afternoon.
.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...SW winds 5 to 10 kt. Seas 1 foot or less. A chance of
showers. A chance of tstms in the afternoon.
.MON NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. A chance of
showers and tstms in the evening.

Winds and seas higher in and near tstms.

$$