315
FZUS51 KPHI 312004
CWFPHI

Coastal Waters Forecast for New Jersey and Delaware
National Weather Service Mount Holly NJ
402 PM EDT Thu Jul 31 2025

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

ANZ400-010900-
402 PM EDT Thu Jul 31 2025

.SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK
ISLAND DE AND FOR DELAWARE BAY...
With high pressure located offshore, a slow moving cold front
will push through the region beginning through tonight, bringing
widespread showers and storms and a considerable threat of
flash flooding across the region. Front front will push south of
the area Friday as low pressure slides offshore. High pressure
will then build from the north into the weekend, with below
normal temperatures, much drier and pleasant conditions expected
into early next week.

$$

ANZ450-010900-
Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 nm-
402 PM EDT Thu Jul 31 2025

...SEVERE THUNDERSTORM WATCH 562 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING
THROUGH SATURDAY AFTERNOON...

.TONIGHT...SE winds around 10 kt, becoming NE late this evening,
then increasing to 15 to 20 kt after midnight, increasing to
20 to 25 kt late. Seas 2 to 3 ft, building to 3 to 5 ft after
midnight. Wave Detail: SE 2 ft at 4 seconds and SE 1 foot at
9 seconds, becoming E 5 ft at 9 seconds and E 4 ft at 5 seconds.
Showers and tstms early this evening, then showers with a chance
of tstms late this evening and early morning. Showers likely with
a chance of tstms late. Vsby 1 to 3 NM.
.FRI...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft. Wave Detail: NE 7 ft at 7 seconds and S 1 foot at
5 seconds. A chance of showers.
.FRI NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. Wave Detail: NE 6 ft at 7 seconds.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Wave Detail: E 5 ft at 7 seconds.
.SAT NIGHT...SE winds 5 to 10 kt, becoming SW after midnight.
Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds.
.SUN...NW winds around 5 kt, becoming SE in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 8 seconds.
.SUN NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
2 to 3 ft.
.MON...W winds around 5 kt, becoming SE in the afternoon. Seas
2 to 3 ft.
.MON NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
around 3 ft.
.TUE...E winds 5 to 10 kt. Seas around 3 ft.
.TUE NIGHT...E winds 5 to 10 kt. Seas around 3 ft.

Winds and seas higher in and near tstms.

$$

ANZ451-010900-
Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out
20 nm-
402 PM EDT Thu Jul 31 2025

...SEVERE THUNDERSTORM WATCH 562 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING
THROUGH SATURDAY AFTERNOON...

.TONIGHT...SE winds 10 to 15 kt, becoming NE with gusts up to
20 kt after midnight, then increasing to 15 to 20 kt with gusts
up to 25 kt late. Seas 2 to 4 ft. Wave Detail: S 3 ft at
4 seconds and SE 1 foot at 9 seconds. Showers and tstms likely
early this evening, then showers with a chance of tstms late this
evening and early morning. Showers likely with a chance of tstms
late. Vsby 1 to 3 NM.
.FRI...NE winds 25 to 30 kt. Seas 4 to 6 ft, building to 6 to
9 ft in the afternoon. Wave Detail: NE 6 ft at 8 seconds and S
3 ft at 5 seconds, becoming NE 8 ft at 7 seconds. A chance of
showers.
.FRI NIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Seas 6 to 9 ft, subsiding to 5 to 7 ft after
midnight. Wave Detail: NE 8 ft at 7 seconds, becoming NE 7 ft at
7 seconds.
.SAT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. Wave Detail: NE 6 ft at 7 seconds.
.SAT NIGHT...E winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 3 to 5 ft. Wave
Detail: E 5 ft at 7 seconds.
.SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas 3 to
4 ft. Wave Detail: E 4 ft at 8 seconds.
.SUN NIGHT...S winds 5 to 10 kt. Seas around 3 ft.
.MON...N winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 3 ft.
.MON NIGHT...SE winds 5 to 10 kt, becoming E after midnight. Seas
around 3 ft.
.TUE...E winds 5 to 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...E winds around 10 kt. Seas 3 to 4 ft.

Winds and seas higher in and near tstms.

$$

ANZ452-010900-
Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out
20 nm-
402 PM EDT Thu Jul 31 2025

...SEVERE THUNDERSTORM WATCH 562 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
SATURDAY AFTERNOON...

.TONIGHT...S winds 10 to 15 kt, becoming SE after midnight, then
becoming N 15 to 20 kt late. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 4 seconds and SE 1 foot at 9 seconds. Tstms likely early this
evening. Showers likely. A chance of tstms late this evening and
overnight. Vsby 1 to 3 NM.
.FRI...NE winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Seas 3 to 5 ft, building to 5 to 8 ft in the
afternoon. Wave Detail: E 5 ft at 9 seconds and E 3 ft at
4 seconds, becoming NE 8 ft at 7 seconds. A chance of showers.
.FRI NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas
6 to 9 ft. Wave Detail: NE 9 ft at 7 seconds.
.SAT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 5 to 7 ft. Wave Detail: NE 7 ft at 7 seconds.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: E
5 ft at 7 seconds.
.SUN...NE winds around 10 kt, becoming E in the afternoon. Seas
3 to 4 ft. Wave Detail: E 4 ft at 8 seconds.
.SUN NIGHT...E winds 5 to 10 kt. Seas around 3 ft.
.MON...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
around 3 ft.
.MON NIGHT...SE winds 5 to 10 kt, becoming E after midnight. Seas
around 3 ft.
.TUE...E winds 5 to 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...E winds around 10 kt. Seas 3 to 4 ft.

Winds and seas higher in and near tstms.

$$

ANZ453-010900-
Coastal waters from Great Egg Inlet to Cape May NJ out 20 nm-
402 PM EDT Thu Jul 31 2025

...SEVERE THUNDERSTORM WATCH 562 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
SATURDAY AFTERNOON...

.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming N
with gusts up to 20 kt late. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 4 seconds and SE 1 foot at 9 seconds. A chance of tstms this
evening. Showers. A chance of tstms after midnight. Vsby 1 to
3 NM until early morning.
.FRI...N winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: NE 6 ft at 5 seconds. A chance of showers.
.FRI NIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Seas 5 to 8 ft. Wave Detail: NE 8 ft at
7 seconds.
.SAT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
7 ft. Wave Detail: NE 7 ft at 8 seconds.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: E
5 ft at 7 seconds.
.SUN...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 8 seconds.
.SUN NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft.
.MON...NE winds 5 to 10 kt. Seas around 3 ft.
.MON NIGHT...E winds 5 to 10 kt. Seas around 3 ft.
.TUE...E winds 5 to 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft.

Winds and seas higher in and near tstms.

$$

ANZ454-010900-
Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
402 PM EDT Thu Jul 31 2025

...SEVERE THUNDERSTORM WATCH 562 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
SATURDAY AFTERNOON...

.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
NW after midnight, then becoming N late. Seas 2 to 3 ft. Wave
Detail: S 2 ft at 4 seconds and SE 1 foot at 9 seconds. A chance
of tstms this evening. Showers. A chance of tstms after midnight.
Vsby 1 to 3 NM until early morning.
.FRI...N winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Seas 2 to 4 ft, building to 4 to 6 ft in the
afternoon. Wave Detail: N 3 ft at 4 seconds and SE 1 foot at
9 seconds, becoming NE 6 ft at 8 seconds and E 3 ft at 4 seconds.
Showers likely, mainly in the morning.
.FRI NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 7 ft. Wave Detail: NE 7 ft at 7 seconds.
.SAT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
7 ft. Wave Detail: NE 6 ft at 8 seconds.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: E
5 ft at 7 seconds.
.SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 8 seconds.
.SUN NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft.
.MON...NE winds 5 to 10 kt. Seas around 3 ft.
.MON NIGHT...E winds 5 to 10 kt. Seas around 3 ft.
.TUE...E winds around 10 kt. Seas around 3 ft.
.TUE NIGHT...E winds around 10 kt. Seas around 3 ft.

Winds and seas higher in and near tstms.

$$

ANZ455-010900-
Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm-
402 PM EDT Thu Jul 31 2025

...SEVERE THUNDERSTORM WATCH 562 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
SATURDAY AFTERNOON...

.TONIGHT...S winds 10 to 15 kt, becoming W after midnight, then
becoming N late. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds
and SE 1 foot at 9 seconds. A chance of showers and tstms this
evening, then showers with a chance of tstms after midnight. Vsby
1 to 3 NM until early morning.
.FRI...N winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Seas 2 to 4 ft, building to 4 to 6 ft in the
afternoon. Wave Detail: N 3 ft at 4 seconds and SE 3 ft at
9 seconds, becoming NE 5 ft at 5 seconds and SE 2 ft at
4 seconds. Showers likely with a chance of tstms in the morning,
then a chance of showers in the afternoon.
.FRI NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 7 ft. Wave Detail: NE 7 ft at 7 seconds. A chance of showers
in the evening.
.SAT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
7 ft. Wave Detail: NE 7 ft at 8 seconds.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft. Wave Detail: NE 6 ft at 7 seconds and N 1 foot at
4 seconds.
.SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 8 seconds and N 1 foot at 4 seconds.
.SUN NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft.
.MON...NE winds 5 to 10 kt. Seas 3 to 4 ft.
.MON NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft.
.TUE...E winds 5 to 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft.

Winds and seas higher in and near tstms.

$$

ANZ431-010900-
Delaware Bay waters south of East Point NJ to Slaughter Beach DE-
402 PM EDT Thu Jul 31 2025

...SEVERE THUNDERSTORM WATCH 562 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY AFTERNOON...

.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming N
with gusts up to 20 kt after midnight. Seas around 2 ft. Wave
Detail: S 2 ft at 4 seconds. Showers with tstms likely this
evening, then showers likely with a chance of tstms after
midnight. Vsby 1 to 3 NM until early morning.
.FRI...N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: NE 3 ft at 3 seconds. A chance of showers.
.FRI NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 3 ft. Wave Detail: NE 3 ft at 3 seconds and SE 2 ft at
7 seconds.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: N 2 ft at 3 seconds and SE 2 ft at 8 seconds.
.SAT NIGHT...E winds 10 to 15 kt with gusts up to 20 kt, becoming
NE 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: E 2 ft
at 3 seconds and SE 2 ft at 8 seconds.
.SUN...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft. Wave Detail: NE 1 foot at 3 seconds and SE 1 foot at
8 seconds.
.SUN NIGHT...E winds 5 to 10 kt. Seas around 2 ft.
.MON...E winds 5 to 10 kt. Seas 1 to 2 ft.
.MON NIGHT...SE winds 5 to 10 kt, becoming E after midnight. Seas
around 2 ft.
.TUE...E winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...E winds 5 to 10 kt. Seas around 2 ft.

Winds and seas higher in and near tstms.

$$

ANZ430-010900-
Delaware Bay waters north of East Point NJ to Slaughter Beach DE-
402 PM EDT Thu Jul 31 2025

...SEVERE THUNDERSTORM WATCH 562 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY AFTERNOON...

.TONIGHT...SE winds around 10 kt, becoming NE late this evening
and early morning, then becoming N with gusts up to 20 kt late.
Seas 1 foot or less. Wave Detail: SE 1 foot at 3 seconds. Showers
and tstms likely early this evening, then showers with a chance
of tstms late this evening. A chance of showers with a slight
chance of tstms after midnight. Vsby 1 to 3 NM this evening.
.FRI...NE winds around 15 kt with gusts up to 25 kt. Seas around
2 ft. Wave Detail: N 2 ft at 3 seconds. A chance of showers.
.FRI NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: NE 2 ft at 3 seconds.
.SAT...NE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NE
2 ft at 3 seconds.
.SAT NIGHT...E winds 5 to 10 kt. Seas around 2 ft in the evening,
then 1 foot or less. Wave Detail: E 1 foot at 3 seconds.
.SUN...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
1 foot or less. Wave Detail: NE 1 foot at 3 seconds.
.SUN NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less.
.MON...NE winds around 5 kt, becoming E in the afternoon. Seas
1 foot or less.
.MON NIGHT...SE winds 5 to 10 kt, becoming E after midnight. Seas
1 foot or less.
.TUE...E winds 5 to 10 kt. Seas 1 foot or less.
.TUE NIGHT...E winds 5 to 10 kt. Seas 1 foot or less.

Winds and seas higher in and near tstms.

$$