National Weather Service Marine Forecast FZUS51 KPHI

FZUS51 KPHI 310904
CWFPHI

Coastal Waters Forecast for New Jersey and Delaware
National Weather Service Mount Holly NJ
401 AM EST Wed Dec 31 2025

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

ANZ400-312200
401 AM EST Wed Dec 31 2025

.SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK ISLAND DE AND FOR DELAWARE BAY... The region will remain between low pressure over Quebec and an expanding high centered over the South Central US today. A weak area of low pressure will pass to the north with a trailing cold front moving through the area tonight. High pressure looks to build in beginning Thursday and continuing into the weekend. Low pressure and an associated cold front will pass through the region Monday into Tuesday.


ANZ450-312200
Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 nm
401 AM EST Wed Dec 31 2025

SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING

SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON

TODAY
W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and SE 1 foot at 9 seconds. A chance of flurries this morning.

TONIGHT
SW winds 15 to 20 kt, becoming W 20 to 25 kt after midnight. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 6 seconds. A chance of snow showers. Vsby 1 to 3 NM.

THU
NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 5 seconds and S 3 ft at 8 seconds.

THU NIGHT
W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and E 1 foot at 12 seconds.

FRI
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and E 1 foot at 12 seconds.

FRI NIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and E 1 foot at 12 seconds.

SAT
NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas around 2 ft.

SAT NIGHT
NW winds 5 to 10 kt. Seas around 2 ft.

SUN
NW winds 5 to 10 kt. Seas around 2 ft.

SUN NIGHT
NW winds 5 to 10 kt. Seas 1 foot or less.


ANZ451-312200
Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out 20 nm
401 AM EST Wed Dec 31 2025

SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING

SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON

TODAY
W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and SE 1 foot at 9 seconds. A chance of flurries this morning.

TONIGHT
SW winds 15 to 20 kt, becoming W 20 to 25 kt after midnight. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 6 seconds. A chance of snow or rain showers after midnight.

THU
NW winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: W 5 ft at 6 seconds and E 2 ft at 13 seconds.

THU NIGHT
NW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Seas 3 to 5 ft, subsiding to 2 to 3 ft after midnight. Wave Detail: NW 4 ft at 5 seconds and NE 2 ft at 7 seconds, becoming W 3 ft at 4 seconds and NE 2 ft at 8 seconds.

FRI
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and NE 2 ft at 9 seconds.

FRI NIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 11 seconds.

SAT
NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas around 2 ft.

SAT NIGHT
NW winds 5 to 10 kt. Seas around 2 ft.

SUN
NW winds around 10 kt. Seas around 2 ft.

SUN NIGHT
NW winds around 10 kt. Seas around 2 ft.


ANZ452-312200
Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out 20 nm
401 AM EST Wed Dec 31 2025

SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING

SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON

TODAY
W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and S 1 foot at 9 seconds. A chance of flurries this morning.

TONIGHT
SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 6 seconds and E 1 foot at 10 seconds. A chance of rain or snow showers after midnight.

THU
NW winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: W 5 ft at 6 seconds and E 1 foot at 13 seconds.

THU NIGHT
NW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 4 seconds and NE 2 ft at 10 seconds.

FRI
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and NE 1 foot at 8 seconds.

FRI NIGHT
W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot at 11 seconds.

SAT
NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas around 2 ft.

SAT NIGHT
NW winds 5 to 10 kt. Seas around 2 ft.

SUN
NW winds around 10 kt. Seas around 2 ft.

SUN NIGHT
NW winds 10 to 15 kt. Seas around 2 ft.


ANZ453-312200
Coastal waters from Great Egg Inlet to Cape May NJ out 20 nm
401 AM EST Wed Dec 31 2025

SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING

SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON

TODAY
W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and S 1 foot at 9 seconds. A chance of flurries this morning.

TONIGHT
SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 6 seconds and E 1 foot at 10 seconds. A chance of showers after midnight.

THU
NW winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: W 5 ft at 6 seconds and E 1 foot at 14 seconds.

THU NIGHT
NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: NW 4 ft at 4 seconds and E 1 foot at 14 seconds.

FRI
W winds 10 to 15 kt. Seas around 2 ft. Wave Detail: W 2 ft at 4 seconds and E 1 foot at 10 seconds.

FRI NIGHT
W winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and E 1 foot at 11 seconds.

SAT
NW winds 5 to 10 kt. Seas around 2 ft.

SAT NIGHT
N winds 5 to 10 kt. Seas around 2 ft.

SUN
NW winds around 10 kt. Seas around 2 ft.

SUN NIGHT
NW winds 5 to 10 kt. Seas 1 foot or less.


ANZ454-312200
Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm
401 AM EST Wed Dec 31 2025

SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING

SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON

TODAY
W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 5 seconds and S 1 foot at 8 seconds. A chance of flurries this morning.

TONIGHT
SW winds 15 to 20 kt, becoming W 20 to 25 kt after midnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at 5 seconds and SE 1 foot at 9 seconds.

THU
NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at 5 seconds and S 2 ft at 7 seconds.

THU NIGHT
NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft, subsiding to 2 to 3 ft after midnight. Wave Detail: NW 4 ft at 5 seconds and E 1 foot at 14 seconds, becoming NW 3 ft at 5 seconds and E 1 foot at 9 seconds.

FRI
W winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 5 seconds and E 1 foot at 9 seconds.

FRI NIGHT
W winds around 10 kt. Seas around 2 ft. Wave Detail: W 2 ft at 5 seconds and E 1 foot at 10 seconds.

SAT
NW winds 5 to 10 kt. Seas around 2 ft.

SAT NIGHT
N winds 5 to 10 kt. Seas around 2 ft.

SUN
NW winds around 10 kt. Seas around 2 ft.

SUN NIGHT
NW winds around 10 kt. Seas 1 foot or less.


ANZ455-312200
Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm
401 AM EST Wed Dec 31 2025

SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING

SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON

TODAY
W winds around 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds and SE 1 foot at 8 seconds. A chance of flurries this morning.

TONIGHT
SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 6 seconds.

THU
NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: NW 5 ft at 5 seconds and S 2 ft at 7 seconds.

THU NIGHT
NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and E 1 foot at 15 seconds.

FRI
W winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 5 seconds and E 1 foot at 12 seconds.

FRI NIGHT
NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 2 ft at 5 seconds and E 1 foot at 11 seconds.

SAT
NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas around 2 ft.

SAT NIGHT
N winds 5 to 10 kt. Seas around 2 ft.

SUN
N winds around 10 kt. Seas around 2 ft.

SUN NIGHT
NW winds around 10 kt. Seas around 2 ft in the evening, then 1 foot or less.


ANZ431-312200
Delaware Bay waters south of East Point NJ to Slaughter Beach DE
401 AM EST Wed Dec 31 2025

SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING

SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON

TODAY
W winds 15 to 20 kt, becoming SW 10 to 15 kt late. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds. A chance of flurries this morning. Vsby 1 to 3 NM early this morning.

TONIGHT
SW winds 10 to 15 kt, becoming W 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds.

THU
NW winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds.

THU NIGHT
NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds.

FRI
W winds 10 to 15 kt, becoming SW 5 to 10 kt in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: NW 1 foot at 3 seconds, becoming SW 1 foot at 2 seconds.

FRI NIGHT
W winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: W 1 foot at 2 seconds.

SAT
NW winds 5 to 10 kt. Seas 1 foot or less.

SAT NIGHT
N winds 5 to 10 kt. Seas 1 foot or less.

SUN
NW winds 5 to 10 kt. Seas 1 foot or less.

SUN NIGHT
NW winds 5 to 10 kt. Seas 1 foot or less.


ANZ430-312200
Delaware Bay waters north of East Point NJ to Slaughter Beach DE
401 AM EST Wed Dec 31 2025

SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING

SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON

TODAY
W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds. A chance of snow showers early this morning, then a chance of flurries late this morning. Vsby 1 to 3 NM early this morning.

TONIGHT
SW winds 10 to 15 kt, becoming W 15 to 20 kt after midnight. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds.

THU
NW winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 3 seconds.

THU NIGHT
NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 3 ft, subsiding to 1 to 2 ft after midnight. Wave Detail: NW 2 ft at 3 seconds.

FRI
W winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: W 1 foot at 3 seconds.

FRI NIGHT
W winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: W 1 foot at 2 seconds.

SAT
NW winds 5 to 10 kt. Seas 1 foot or less.

SAT NIGHT
NW winds around 5 kt. Seas 1 foot or less.

SUN
NW winds 5 to 10 kt. Seas 1 foot or less.

SUN NIGHT
NW winds 5 to 10 kt. Seas 1 foot or less.