281
FZUS51 KPHI 182003
CWFPHI

Coastal Waters Forecast for New Jersey and Delaware
National Weather Service Mount Holly NJ
401 PM EDT Mon Aug 18 2025

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

ANZ400-190900-
401 PM EDT Mon Aug 18 2025

.SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK
ISLAND DE AND FOR DELAWARE BAY...
High pressure sets up to the north while a boundary stalls out to
the south. A trough moves in during the middle of the week as
Hurricane Erin passes offshore. As Hurricane Erin moves away, high
pressure moves in for the end of the week and into the weekend
before a frontal system moves in for the back half of the
weekend.

$$

ANZ450-190900-
Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 nm-
401 PM EDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TONIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
6 ft. Wave Detail: E 6 ft at 7 seconds and SE 2 ft at 14 seconds.
.TUE...E winds 10 to 15 kt with gusts up to 20 kt. Seas around
5 ft. Wave Detail: E 5 ft at 7 seconds and SE 3 ft at 13 seconds.
.TUE NIGHT...E winds 10 to 15 kt. Seas around 5 ft. Wave Detail:
SE 5 ft at 16 seconds and E 4 ft at 7 seconds.
.WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
6 ft. Wave Detail: SE 6 ft at 16 seconds.
.WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 7 ft, building to 6 to 9 ft after midnight. Wave Detail: SE
7 ft at 16 seconds, becoming SE 8 ft at 15 seconds.
.THU...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 8 to
11 ft. Wave Detail: SE 11 ft at 18 seconds.
.THU NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas
8 to 11 ft.
.FRI...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the
afternoon. Seas 6 to 9 ft.
.FRI NIGHT...SE winds 10 to 15 kt, becoming SW after midnight.
Seas 5 to 7 ft.
.SAT...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the
afternoon. Seas 4 to 6 ft.
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft.

$$

ANZ451-190900-
Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out
20 nm-
401 PM EDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TONIGHT...E winds 20 to 25 kt, diminishing to 15 to 20 kt late
this evening and overnight. Seas 5 to 8 ft. Wave Detail: E 8 ft
at 7 seconds and SE 2 ft at 14 seconds. A slight chance of
showers this evening.
.TUE...E winds 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: E 6 ft
at 7 seconds and SE 4 ft at 18 seconds.
.TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: SE
6 ft at 16 seconds and E 5 ft at 7 seconds.
.WED...E winds 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: SE 7 ft
at 16 seconds.
.WED NIGHT...E winds 15 to 20 kt, becoming NE 20 to 25 kt after
midnight. Seas 6 to 8 ft, building to 7 to 10 ft after midnight.
Wave Detail: SE 8 ft at 16 seconds, becoming SE 10 ft at
15 seconds.
.THU...NE winds 25 to 30 kt. Seas 9 to 12 ft, building to 11 to
13 ft in the afternoon. Wave Detail: SE 12 ft at 18 seconds,
becoming SE 13 ft at 18 seconds and E 9 ft at 8 seconds.
.THU NIGHT...NE winds 25 to 30 kt. Seas 9 to 12 ft.
.FRI...NE winds 20 to 25 kt. Seas 7 to 10 ft.
.FRI NIGHT...SE winds 15 to 20 kt, becoming S around 10 kt after
midnight. Seas 6 to 8 ft.
.SAT...S winds 10 to 15 kt. Seas 5 to 7 ft.
.SAT NIGHT...S winds around 15 kt. Seas 4 to 6 ft.

$$

ANZ452-190900-
Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out
20 nm-
401 PM EDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TONIGHT...E winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to
8 ft. Wave Detail: E 8 ft at 7 seconds and SE 3 ft at 13 seconds.
A slight chance of tstms early this evening. A chance of showers
this evening, then a slight chance of showers after midnight.
.TUE...E winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to
7 ft. Wave Detail: E 6 ft at 7 seconds and SE 4 ft at 18 seconds.
.TUE NIGHT...E winds around 15 kt. Seas 5 to 7 ft. Wave Detail:
SE 7 ft at 16 seconds and E 5 ft at 7 seconds.
.WED...E winds 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: SE 8 ft
at 16 seconds.
.WED NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas
6 to 8 ft, building to 8 to 11 ft after midnight. Wave Detail: SE
8 ft at 16 seconds, becoming SE 11 ft at 16 seconds.
.THU...NE winds 25 to 30 kt. Seas 10 to 14 ft. Wave Detail: SE
14 ft at 18 seconds and E 11 ft at 8 seconds.
.THU NIGHT...NE winds 25 to 30 kt. Seas 9 to 13 ft.
.FRI...N winds 25 to 30 kt, becoming NE 20 to 25 kt in the
afternoon. Seas 7 to 10 ft.
.FRI NIGHT...E winds 15 to 20 kt, becoming S around 10 kt after
midnight. Seas 6 to 8 ft.
.SAT...S winds 10 to 15 kt. Seas 5 to 7 ft.
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft.

Winds and seas higher in and near tstms.

$$

ANZ453-190900-
Coastal waters from Great Egg Inlet to Cape May NJ out 20 nm-
401 PM EDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TONIGHT...E winds 20 to 25 kt. Gusts up to 35 kt until early
morning. Seas 6 to 8 ft. Wave Detail: E 8 ft at 7 seconds and SE
3 ft at 13 seconds. A chance of showers with a slight chance of
tstms this evening, then a chance of showers after midnight.
.TUE...E winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to
7 ft. Wave Detail: E 6 ft at 7 seconds and SE 4 ft at 17 seconds.
A chance of showers in the morning.
.TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: SE
7 ft at 16 seconds and E 5 ft at 7 seconds. A chance of showers
in the evening.
.WED...E winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 5 to 7 ft. Wave Detail: SE 7 ft at 16 seconds.
.WED NIGHT...E winds 15 to 20 kt, becoming NE 20 to 25 kt after
midnight. Seas 6 to 8 ft, building to 7 to 10 ft after midnight.
Wave Detail: SE 8 ft at 15 seconds, becoming SE 9 ft at
16 seconds.
.THU...NE winds 25 to 30 kt with gusts up to 40 kt. Seas 9 to
13 ft. Wave Detail: SE 13 ft at 18 seconds.
.THU NIGHT...NE winds 25 to 30 kt with gusts up to 40 kt. Seas
9 to 13 ft, subsiding to 8 to 11 ft after midnight.
.FRI...N winds 20 to 25 kt, becoming NE 15 to 20 kt in the
afternoon. Seas 7 to 10 ft, subsiding to 6 to 8 ft in the
afternoon.
.FRI NIGHT...E winds 10 to 15 kt, becoming S 5 to 10 kt after
midnight. Seas 5 to 8 ft.
.SAT...S winds 5 to 10 kt. Seas 4 to 6 ft.
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft.

Winds and seas higher in and near tstms.

$$

ANZ454-190900-
Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
401 PM EDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TONIGHT...E winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to
7 ft. Wave Detail: E 7 ft at 7 seconds and SE 3 ft at 13 seconds.
A chance of showers this evening. A slight chance of tstms.
Showers likely after midnight.
.TUE...E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
7 ft. Wave Detail: E 6 ft at 7 seconds and SE 4 ft at 17 seconds.
A chance of showers.
.TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: SE
7 ft at 16 seconds and E 5 ft at 7 seconds. A chance of showers
in the evening.
.WED...E winds 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: SE 7 ft
at 16 seconds.
.WED NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas
6 to 9 ft. Wave Detail: SE 9 ft at 16 seconds.
.THU...NE winds 25 to 30 kt with gusts up to 40 kt. Seas 8 to
11 ft, building to 9 to 13 ft in the afternoon. Wave Detail: SE
11 ft at 18 seconds, becoming SE 13 ft at 18 seconds.
.THU NIGHT...NE winds 25 to 30 kt. Seas 8 to 11 ft.
.FRI...N winds 20 to 25 kt, becoming NE 15 to 20 kt in the
afternoon. Seas 6 to 9 ft.
.FRI NIGHT...E winds 10 to 15 kt, becoming S after midnight. Seas
5 to 7 ft.
.SAT...S winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft.

Winds and seas higher in and near tstms.

$$

ANZ455-190900-
Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm-
401 PM EDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TONIGHT...E winds 20 to 25 kt. Seas 6 to 7 ft. Wave Detail: NE
7 ft at 7 seconds and SE 3 ft at 13 seconds. A chance of tstms
this evening. Showers likely. A slight chance of tstms after
midnight.
.TUE...E winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to
7 ft. Wave Detail: E 6 ft at 7 seconds and SE 4 ft at 17 seconds.
A chance of showers.
.TUE NIGHT...E winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 5 to 7 ft. Wave Detail: SE 7 ft at
16 seconds and E 5 ft at 7 seconds. A chance of showers in the
evening.
.WED...E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
7 ft. Wave Detail: SE 7 ft at 16 seconds.
.WED NIGHT...E winds 15 to 20 kt, becoming NE 20 to 25 kt after
midnight. Seas 5 to 8 ft, building to 7 to 10 ft after midnight.
Wave Detail: SE 7 ft at 15 seconds, becoming SE 9 ft at
17 seconds.
.THU...NE winds 25 to 30 kt with gusts up to 40 kt. Seas 9 to
13 ft. Wave Detail: SE 13 ft at 18 seconds and E 10 ft at
9 seconds.
.THU NIGHT...NE winds 25 to 30 kt. Seas 9 to 13 ft, subsiding to
8 to 11 ft after midnight.
.FRI...N winds 20 to 25 kt, becoming NE 15 to 20 kt in the
afternoon. Seas 6 to 9 ft.
.FRI NIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 kt after
midnight. Seas 5 to 7 ft.
.SAT...S winds 5 to 10 kt, becoming SE 10 to 15 kt in the
afternoon. Seas 4 to 6 ft.
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft.

Winds and seas higher in and near tstms.

$$

ANZ431-190900-
Delaware Bay waters south of East Point NJ to Slaughter Beach DE-
401 PM EDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.TONIGHT...NE winds 20 to 25 kt, becoming E 15 to 20 kt after
midnight. Seas 2 to 4 ft. Wave Detail: NE 3 ft at 4 seconds and
SE 1 foot at 14 seconds. A chance of showers with a slight chance
of tstms this evening, then a chance of showers after midnight.
.TUE...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: E 3 ft at 3 seconds and S 1 foot at
13 seconds. A chance of showers.
.TUE NIGHT...E winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 2 to 4 ft. Wave Detail: E 3 ft at 3 seconds
and SE 2 ft at 18 seconds. A chance of showers in the evening.
.WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: E 2 ft at 3 seconds and SE 2 ft at 16 seconds.
.WED NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Wave Detail: NE 3 ft at 3 seconds and S 2 ft at
7 seconds.
.THU...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: NE 3 ft at 4 seconds and S 3 ft at 9 seconds.
.THU NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft.
.FRI...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the
afternoon. Seas 2 to 4 ft.
.FRI NIGHT...SE winds 10 to 15 kt, becoming S 5 to 10 kt after
midnight. Seas 2 to 3 ft.
.SAT...S winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft.
.SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

$$

ANZ430-190900-
Delaware Bay waters north of East Point NJ to Slaughter Beach DE-
401 PM EDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.TONIGHT...E winds 15 to 20 kt. Gusts up to 30 kt this evening.
Seas 2 to 3 ft. Wave Detail: NE 3 ft at 3 seconds. A chance of
showers with a slight chance of tstms early this evening, then a
chance of showers late this evening and overnight.
.TUE...E winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 3 seconds. A
chance of showers.
.TUE NIGHT...E winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 3 seconds and SE 1 foot at 13 seconds. A chance of
showers in the evening.
.WED...E winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE
1 foot at 16 seconds.
.WED NIGHT...NE winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail:
SE 2 ft at 3 seconds and SE 1 foot at 15 seconds.
.THU...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
3 ft. Wave Detail: NE 3 ft at 3 seconds and SE 1 foot at
5 seconds.
.THU NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 3 ft.
.FRI...NE winds 10 to 15 kt. Seas around 2 ft.
.FRI NIGHT...SE winds 10 to 15 kt, becoming S 5 to 10 kt after
midnight. Seas around 2 ft.
.SAT...S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft
in the afternoon.
.SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

$$