838
FZUS51 KPHI 170818
CWFPHI

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

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

ANZ400-172100-
417 AM 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 then becomes
stationary over the Mid- Atlantic into the new week. High
pressure builds in from the north through the middle to end of
next week as Hurricane Erin passes by well offshore.

$$

ANZ450-172100-
Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 nm-
417 AM EDT Sun Aug 17 2025

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

.TODAY...SW winds 10 to 15 kt with gusts up to 20 kt, becoming S
15 to 20 kt late. Seas around 2 ft. Wave Detail: SE 2 ft at
10 seconds.
.TONIGHT...SW winds 15 to 20 kt, becoming NW after midnight. Seas
2 to 3 ft. Wave Detail: E 1 foot at 10 seconds. A chance of
showers.
.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: SE
1 foot at 9 seconds and SE 1 foot at 15 seconds, becoming SE
1 foot at 15 seconds. A chance of showers.
.MON NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 7 ft. Wave Detail: SE 2 ft at 14 seconds. A chance of
showers in the evening.
.TUE...E winds around 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Wave Detail: SE 3 ft at 15 seconds.
.TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: SE
5 ft at 17 seconds. A chance of showers after midnight.
.WED...E winds 10 to 15 kt. Seas 6 to 9 ft. A chance of showers.
.WED NIGHT...NE winds 10 to 15 kt. Seas 8 to 11 ft. A chance of
showers.
.THU...NE winds 15 to 20 kt. Seas 8 to 11 ft. A chance of
showers.
.THU NIGHT...NE winds 15 to 20 kt, becoming N after midnight.
Seas 6 to 9 ft, subsiding to 5 to 7 ft after midnight. A chance
of showers in the evening.

$$

ANZ451-172100-
Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out
20 nm-
417 AM EDT Sun Aug 17 2025

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

.TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: SE
1 foot at 10 seconds.
.TONIGHT...SW winds 10 to 15 kt, becoming W 15 to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: E 1 foot at 10 seconds and
SE 1 foot at 13 seconds.
.MON...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft, building to 5 to 8 ft in the afternoon. Wave Detail: SE
2 ft at 15 seconds. A chance of showers.
.MON NIGHT...E winds 20 to 25 kt. Seas 6 to 8 ft. Wave Detail: SE
2 ft at 14 seconds. A chance of showers in the evening.
.TUE...E winds 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: SE 4 ft
at 17 seconds.
.TUE NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: SE
6 ft at 17 seconds. A chance of showers after midnight.
.WED...E winds 15 to 20 kt. Seas 6 to 8 ft, building to 7 to
10 ft in the afternoon. A chance of showers.
.WED NIGHT...NE winds 15 to 20 kt. Seas 9 to 11 ft. A chance of
showers.
.THU...NE winds 20 to 25 kt. Seas 9 to 11 ft. A chance of showers
in the morning.
.THU NIGHT...NE winds 20 to 25 kt. Seas 8 to 10 ft, subsiding to
7 to 8 ft after midnight.

$$

ANZ452-172100-
Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out
20 nm-
417 AM EDT Sun Aug 17 2025

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

.TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas around 2 ft. Wave Detail: SE
1 foot at 10 seconds.
.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming W
after midnight. Seas 2 to 3 ft. Wave Detail: SE 1 foot at
10 seconds and SE 1 foot at 14 seconds.
.MON...NE winds 20 to 25 kt. Seas 2 to 4 ft, building to 4 to
6 ft in the afternoon. Wave Detail: SE 2 ft at 15 seconds and E
1 foot at 10 seconds, becoming SE 2 ft at 15 seconds. A chance of
showers in the afternoon.
.MON NIGHT...E winds 20 to 25 kt. Seas 5 to 8 ft. Wave Detail: SE
3 ft at 14 seconds. A chance of showers.
.TUE...E winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to
7 ft. Wave Detail: SE 5 ft at 17 seconds.
.TUE NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: SE
8 ft at 17 seconds. A chance of showers after midnight.
.WED...E winds 15 to 20 kt. Seas 7 to 9 ft, building to 8 to
11 ft in the afternoon. A chance of showers in the morning.
.WED NIGHT...NE winds 15 to 20 kt. Seas 10 to 11 ft. A chance of
showers after midnight.
.THU...NE winds 20 to 25 kt. Seas 10 to 12 ft. A chance of
showers in the morning.
.THU NIGHT...NE winds 20 to 25 kt. Seas 7 to 10 ft.

$$

ANZ453-172100-
Coastal waters from Great Egg Inlet to Cape May NJ out 20 nm-
417 AM EDT Sun Aug 17 2025

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

.TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt late. Seas
around 2 ft. Wave Detail: SE 1 foot at 10 seconds.
.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming W
after midnight. Seas 2 to 3 ft. Wave Detail: SE 1 foot at
10 seconds and SE 1 foot at 14 seconds.
.MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
3 ft, building to 4 to 6 ft in the afternoon. Wave Detail: SE
2 ft at 15 seconds and SE 1 foot at 10 seconds, becoming SE 3 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
5 to 7 ft. Wave Detail: SE 3 ft at 14 seconds. A chance of
showers.
.TUE...E winds 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: SE 4 ft
at 17 seconds and SE 2 ft at 10 seconds.
.TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: SE
7 ft at 16 seconds.
.WED...E winds 10 to 15 kt. Seas 6 to 8 ft, building to 7 to
10 ft in the afternoon.
.WED NIGHT...NE winds 15 to 20 kt. Seas 8 to 11 ft, building to
10 to 11 ft after midnight.
.THU...NE winds 20 to 25 kt. Seas 9 to 11 ft.
.THU NIGHT...NE winds 20 to 25 kt, becoming N 15 to 20 kt after
midnight. Seas 7 to 10 ft, subsiding to 7 to 8 ft after midnight.


$$

ANZ454-172100-
Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
417 AM EDT Sun Aug 17 2025

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

.TODAY...SW winds around 5 kt, becoming S 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas around 2 ft. Wave Detail: SE
1 foot at 9 seconds.
.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming W
after midnight. Seas around 2 ft. Wave Detail: SE 1 foot at
10 seconds and SE 1 foot at 14 seconds.
.MON...N winds 10 to 15 kt, becoming NE 15 to 20 kt in the
afternoon. Seas 2 to 3 ft, building to 3 to 5 ft in the
afternoon. Wave Detail: SE 2 ft at 15 seconds and SE 1 foot at
10 seconds, becoming SE 3 ft at 15 seconds. A chance of showers
in the afternoon.
.MON NIGHT...E winds around 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. Wave Detail: SE 3 ft at 14 seconds. A chance of
showers.
.TUE...E winds 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: SE 5 ft
at 17 seconds and SE 2 ft at 8 seconds.
.TUE NIGHT...E winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 6 to 8 ft. Wave Detail: SE 7 ft at
16 seconds.
.WED...E winds 10 to 15 kt, becoming NE 15 to 20 kt in the
afternoon. Seas 6 to 8 ft, building to 7 to 10 ft in the
afternoon.
.WED NIGHT...NE winds 15 to 20 kt. Seas 8 to 11 ft.
.THU...NE winds 20 to 25 kt. Seas 10 to 11 ft, subsiding to 8 to
11 ft in the afternoon.
.THU NIGHT...NE winds 20 to 25 kt. Seas 7 to 10 ft, subsiding to
6 to 8 ft after midnight.

$$

ANZ455-172100-
Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm-
417 AM EDT Sun Aug 17 2025

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

.TODAY...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt late. Seas around 2 ft. Wave Detail: E 1 foot at
9 seconds.
.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
SW 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: E
1 foot at 10 seconds and SE 1 foot at 14 seconds.
.MON...N winds 10 to 15 kt, becoming NE 15 to 20 kt in the
afternoon. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 15 seconds and
SE 1 foot at 10 seconds. A chance of showers in the afternoon.
.MON NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. Wave Detail: SE
3 ft at 13 seconds. A chance of showers.
.TUE...E winds 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: SE 4 ft
at 17 seconds and SE 3 ft at 12 seconds. A chance of showers.
.TUE NIGHT...E winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 6 to 7 ft. Wave Detail: SE 7 ft at
16 seconds. A chance of showers in the evening.
.WED...NE winds 10 to 15 kt. Seas 6 to 8 ft, building to 7 to
10 ft in the afternoon. A chance of showers in the afternoon.
.WED NIGHT...NE winds 15 to 20 kt. Seas 8 to 11 ft. A chance of
showers in the evening.
.THU...NE winds 20 to 25 kt. Seas 10 to 11 ft, subsiding to 8 to
11 ft in the afternoon.
.THU NIGHT...NE winds 20 to 25 kt. Seas 6 to 9 ft.

$$

ANZ431-172100-
Delaware Bay waters south of East Point NJ to Slaughter Beach DE-
417 AM EDT Sun Aug 17 2025

.TODAY...S winds 5 to 10 kt, increasing to 10 to 15 kt late. Seas
1 foot or less, then 1 to 2 ft this afternoon.
.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming W
5 to 10 kt after midnight. Seas around 2 ft. A chance of showers.
.MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers in the afternoon.
.MON NIGHT...NE winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: S
1 foot at 14 seconds. A chance of showers.
.TUE...E winds 15 to 20 kt. Seas 2 to 4 ft. Wave Detail: 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: SE 2 ft at
17 seconds. A chance of showers in the evening.
.WED...E winds 10 to 15 kt. Seas 2 to 4 ft. A chance of showers
in the afternoon.
.WED NIGHT...NE winds around 15 kt. Seas 3 to 5 ft. A chance of
showers in the evening.
.THU...NE winds 15 to 20 kt. Seas 3 to 5 ft.
.THU NIGHT...NE winds 15 to 20 kt. Seas 3 to 5 ft.

$$

ANZ430-172100-
Delaware Bay waters north of East Point NJ to Slaughter Beach DE-
417 AM EDT Sun Aug 17 2025

.TODAY...S winds 5 to 10 kt. Seas 1 foot or less.
.TONIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas
1 foot or less. A chance of showers.
.MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 1 foot
or less, then around 2 ft in the afternoon. A chance of showers
in the afternoon.
.MON NIGHT...NE winds 15 to 20 kt. Seas around 2 ft. A chance of
showers.
.TUE...E winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. A chance of showers.
.TUE NIGHT...E winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
SE 1 foot at 17 seconds. A chance of showers in the evening.
.WED...E winds 10 to 15 kt. Seas around 2 ft. A chance of showers
in the afternoon.
.WED NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers.
.THU...NE winds 10 to 15 kt. Seas 2 to 3 ft.
.THU NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft.

$$