Coastal Waters Forecast
Issued by NWS Mt. Holly, NJ

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826
FZUS51 KPHI 172004
CWFPHI

Coastal Waters Forecast for New Jersey and Delaware
National Weather Service Mount Holly NJ
401 PM EDT Sun Aug 17 2025

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

ANZ400-180900-
401 PM EDT Sun Aug 17 2025

.SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK
ISLAND DE AND FOR DELAWARE BAY...
A cold front will pass through the region tonight, becoming
stationary over southern Virginia on Monday. High pressure
builds in from the north through the middle to end of next week
as Hurricane Erin passes by well offshore.

$$

ANZ450-180900-
Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 nm-
401 PM EDT Sun Aug 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
LATE THURSDAY NIGHT...

.TONIGHT...S winds 15 to 20 kt, becoming SW 10 to 15 kt late this
evening, then becoming W after midnight, becoming N 15 to 20 kt
late. Seas 2 to 4 ft. Wave Detail: S 2 ft at 5 seconds and SE
2 ft at 9 seconds. A chance of showers and tstms, mainly this
evening.
.MON...NE winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 4 to 6 ft, building to 6 to 8 ft in the
afternoon. Wave Detail: NE 6 ft at 7 seconds and S 1 foot at
5 seconds, becoming E 6 ft at 7 seconds and SE 1 foot at
15 seconds.
.MON NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: E
6 ft at 8 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
6 to 8 ft.
.THU...NE winds 15 to 20 kt. Seas 7 to 9 ft.
.THU NIGHT...NE winds 15 to 20 kt. Seas 6 to 9 ft.
.FRI...N winds 15 to 20 kt, becoming E around 10 kt in the
afternoon. Seas 5 to 7 ft.
.FRI NIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after
midnight. Seas 4 to 6 ft.

Winds and seas higher in and near tstms.

$$

ANZ451-180900-
Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out
20 nm-
401 PM EDT Sun Aug 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
LATE THURSDAY NIGHT...

.TONIGHT...S winds 15 to 20 kt, becoming SW 10 to 15 kt late this
evening and early morning, then becoming N 15 to 20 kt late. Seas
2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 2 ft at
8 seconds. A chance of showers and tstms, mainly this evening.
.MON...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft, building to 6 to 8 ft in the afternoon. Wave Detail: NE
5 ft at 6 seconds and SW 2 ft at 4 seconds, becoming E 8 ft at
7 seconds and SE 2 ft at 15 seconds. A chance of showers in the
afternoon.
.MON NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas
6 to 8 ft. Wave Detail: E 7 ft at 8 seconds and SE 2 ft at
14 seconds.
.TUE...E winds 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: E 6 ft
at 7 seconds and SE 3 ft at 13 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 with gusts up to 25 kt. Seas 6 to
8 ft. Wave Detail: SE 8 ft at 16 seconds.
.WED NIGHT...E winds 15 to 20 kt, becoming NE 20 to 25 kt after
midnight. Seas 7 to 10 ft.
.THU...NE winds 25 to 30 kt. Seas 9 to 11 ft.
.THU NIGHT...NE winds 20 to 25 kt. Seas 8 to 10 ft, subsiding to
7 to 8 ft after midnight.
.FRI...N winds 15 to 20 kt, becoming E in the afternoon. Seas
5 to 8 ft.
.FRI NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft.

Winds and seas higher in and near tstms.

$$

ANZ452-180900-
Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out
20 nm-
401 PM EDT Sun Aug 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
LATE THURSDAY NIGHT...

.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight, then becoming NW 10 to
15 kt with gusts up to 20 kt late. Seas 2 to 3 ft. Wave Detail: S
2 ft at 4 seconds and SE 2 ft at 7 seconds. A slight chance of
showers and tstms early this evening, then a chance of showers
and tstms late this evening. A slight chance of showers and tstms
after midnight.
.MON...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft, building to 5 to 7 ft in the afternoon. Wave Detail: E 3 ft
at 6 seconds and SW 2 ft at 4 seconds, becoming NE 7 ft at
7 seconds and SE 2 ft at 15 seconds. A chance of showers in the
afternoon.
.MON NIGHT...E winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Seas 6 to 8 ft. Wave Detail: E 8 ft at 7 seconds
and SE 3 ft at 13 seconds.
.TUE...E winds 15 to 20 kt. Seas around 6 ft. Wave Detail: E 6 ft
at 8 seconds and SE 4 ft at 18 seconds.
.TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: SE
7 ft at 16 seconds and E 5 ft at 7 seconds.
.WED...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to
8 ft. Wave Detail: SE 8 ft at 16 seconds.
.WED NIGHT...NE winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. Seas 7 to 9 ft, building to 8 to 11 ft after
midnight.
.THU...NE winds 25 to 30 kt. Seas 9 to 12 ft.
.THU NIGHT...NE winds 20 to 25 kt. Seas 7 to 10 ft.
.FRI...N winds 20 to 25 kt, becoming E 15 to 20 kt in the
afternoon. Seas 5 to 8 ft.
.FRI NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft.

Winds and seas higher in and near tstms.

$$

ANZ453-180900-
Coastal waters from Great Egg Inlet to Cape May NJ out 20 nm-
401 PM EDT Sun Aug 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
LATE THURSDAY NIGHT...

.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
SW 5 to 10 kt after midnight, then becoming NW late. Seas 2 to
3 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 6 seconds. A
slight chance of showers and tstms late this evening and
overnight.
.MON...NE 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: E 3 ft at 7 seconds and SE 2 ft at
15 seconds, becoming NE 5 ft at 5 seconds and SE 2 ft at
15 seconds. A chance of showers in the afternoon.
.MON NIGHT...NE winds 20 to 25 kt, becoming E 15 to 20 kt after
midnight. Seas 5 to 8 ft. Wave Detail: E 6 ft at 7 seconds and SE
3 ft at 13 seconds. A chance of showers.
.TUE...E winds 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: E 6 ft
at 8 seconds and SE 4 ft at 18 seconds.
.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.
.WED...NE winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 5 to 8 ft. Wave Detail: SE 8 ft at 16 seconds.
.WED NIGHT...NE winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. Seas 6 to 9 ft, building to 8 to 11 ft after
midnight.
.THU...NE winds 25 to 30 kt. Seas 9 to 12 ft.
.THU NIGHT...NE winds 20 to 25 kt, becoming N 15 to 20 kt after
midnight. Seas 7 to 10 ft, subsiding to 6 to 8 ft after midnight.
.FRI...N winds 15 to 20 kt, becoming E 10 to 15 kt in the
afternoon. Seas 5 to 7 ft.
.FRI NIGHT...SE winds 10 to 15 kt, becoming S 5 to 10 kt after
midnight. Seas 4 to 6 ft.

Winds and seas higher in and near tstms.

$$

ANZ454-180900-
Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
401 PM EDT Sun Aug 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
LATE THURSDAY NIGHT...

.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
SW 5 to 10 kt after midnight, then becoming W late. Seas 2 to
3 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 6 seconds. A
slight chance of showers and tstms late this evening and early
morning.
.MON...NE winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Seas 2 to 3 ft, building to 3 to 5 ft in the
afternoon. Wave Detail: E 2 ft at 7 seconds and SE 2 ft at
15 seconds, becoming NE 4 ft at 5 seconds and SE 2 ft at
15 seconds.
.MON NIGHT...E winds 20 to 25 kt. Seas 5 to 7 ft. Wave Detail: E
6 ft at 7 seconds and SE 3 ft at 14 seconds. A chance of showers.
.TUE...E winds 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: E 6 ft
at 8 seconds and SE 4 ft at 17 seconds.
.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.
.WED...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
7 ft. Wave Detail: SE 7 ft at 16 seconds and SE 6 ft at
8 seconds.
.WED NIGHT...NE winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. Seas 7 to 10 ft.
.THU...NE winds around 25 kt. Seas 8 to 11 ft.
.THU NIGHT...NE winds 20 to 25 kt, becoming N 15 to 20 kt after
midnight. Seas 6 to 9 ft.
.FRI...N winds 15 to 20 kt, becoming E 10 to 15 kt in the
afternoon. Seas 5 to 7 ft.
.FRI NIGHT...S winds around 10 kt. Seas 4 to 6 ft.

Winds and seas higher in and near tstms.

$$

ANZ455-180900-
Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm-
401 PM EDT Sun Aug 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
LATE THURSDAY NIGHT...

.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
SW 5 to 10 kt after midnight, then becoming W late. Seas 2 to
3 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 6 seconds. A
slight chance of showers and tstms late this evening and early
morning.
.MON...NE winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Seas 2 to 3 ft, building to 3 to 5 ft in the
afternoon. Wave Detail: E 2 ft at 7 seconds and SE 2 ft at
15 seconds, becoming NE 4 ft at 4 seconds and SE 2 ft at
15 seconds. A chance of showers in the afternoon.
.MON NIGHT...NE winds 20 to 25 kt, becoming E 15 to 20 kt after
midnight. Seas 5 to 7 ft. Wave Detail: E 6 ft at 7 seconds and SE
3 ft at 14 seconds. A chance of showers.
.TUE...E winds 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: E 6 ft
at 8 seconds and SE 4 ft at 18 seconds.
.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.
.WED...NE winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 5 to 8 ft. Wave Detail: SE 8 ft at 16 seconds.
.WED NIGHT...NE winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. Seas 7 to 10 ft.
.THU...NE winds 20 to 25 kt. Seas 9 to 12 ft.
.THU NIGHT...NE winds 20 to 25 kt, becoming N 15 to 20 kt after
midnight. Seas 7 to 10 ft, subsiding to 5 to 8 ft after midnight.
.FRI...N winds 15 to 20 kt, becoming E 10 to 15 kt in the
afternoon. Seas 5 to 7 ft.
.FRI NIGHT...SE winds 10 to 15 kt, becoming S 5 to 10 kt after
midnight. Seas 4 to 6 ft.

Winds and seas higher in and near tstms.

$$

ANZ431-180900-
Delaware Bay waters south of East Point NJ to Slaughter Beach DE-
401 PM EDT Sun Aug 17 2025

.TONIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt late this
evening and early morning, then becoming NW late. Seas around
2 ft. Wave Detail: S 1 foot at 3 seconds. A slight chance of
showers and tstms early this evening. A chance of showers and
tstms late this evening, then a slight chance of showers after
midnight.
.MON...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 W 1 foot at
3 seconds. A chance of showers in the afternoon.
.MON NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Wave Detail: NE 3 ft at 4 seconds and SE 1 foot at
14 seconds. A chance of showers.
.TUE...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: NE 3 ft at 3 seconds and S 1 foot at
13 seconds.
.TUE NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 3 seconds and SE 2 ft at 17 seconds.
.WED...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: NE 3 ft at 4 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.
.THU...NE winds 15 to 20 kt. Seas 3 to 5 ft.
.THU NIGHT...NE winds 15 to 20 kt, becoming N 10 to 15 kt after
midnight. Seas 2 to 4 ft.
.FRI...N winds 10 to 15 kt, becoming E 5 to 10 kt in the
afternoon. Seas 2 to 3 ft.
.FRI NIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

$$

ANZ430-180900-
Delaware Bay waters north of East Point NJ to Slaughter Beach DE-
401 PM EDT Sun Aug 17 2025

.TONIGHT...S winds 5 to 10 kt, becoming N late. Seas around 2 ft
this evening, then 1 foot or less. Wave Detail: SE 1 foot at
3 seconds, becoming S 1 foot at 3 seconds. A chance of showers
and tstms this evening with vsby 1 to 3 NM.
.MON...NE winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas around 2 ft. Wave Detail: NE 2 ft at 3 seconds
and W 1 foot at 3 seconds.
.MON NIGHT...NE winds 15 to 20 kt, becoming E 10 to 15 kt after
midnight. Seas around 2 ft. Wave Detail: NE 2 ft at 3 seconds. A
chance of showers.
.TUE...E winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: E 2 ft at 3 seconds.
.TUE NIGHT...E winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
E 2 ft at 3 seconds and SE 1 foot at 13 seconds.
.WED...E winds 10 to 15 kt. Seas around 2 ft. Wave Detail: E
1 foot at 4 seconds.
.WED NIGHT...E winds 10 to 15 kt, becoming NE 15 to 20 kt after
midnight. Seas around 2 ft.
.THU...NE winds 15 to 20 kt. Seas 2 to 3 ft.
.THU NIGHT...NE winds 10 to 15 kt. Seas around 2 ft.
.FRI...N winds around 10 kt, becoming E in the afternoon. Seas
around 2 ft.
.FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft.

Winds and seas higher in and near tstms.

$$