


Coastal Waters Forecast
Issued by NWS Mt. Holly, NJ
Issued by NWS Mt. Holly, NJ
488 FZUS51 KPHI 310803 CWFPHI Coastal Waters Forecast for New Jersey and Delaware National Weather Service Mount Holly NJ 401 AM EDT Sun Aug 31 2025 Sandy Hook NJ to Fenwick Island DE to 20 NM offshore and Delaware Bay ANZ400-312100- 401 AM EDT Sun Aug 31 2025 .SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK ISLAND DE AND FOR DELAWARE BAY... The dominant feature in our weather pattern through Wednesday will be a large area of surface high pressure over much of the northeastern U.S. An area of low pressure is expected to develop well off the coast and lift northeast through mid week. A cold front is then expected to arrive into our region Thursday night into Friday. High pressure then returns for next weekend. $$ ANZ450-312100- Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 nm- 401 AM EDT Sun Aug 31 2025 .TODAY...NE winds 5 to 10 kt, becoming SE late. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and N 1 foot at 3 seconds. .TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds. .MON...NE winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft at 6 seconds. .MON NIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds. .TUE...NE winds 5 to 10 kt, becoming E in the afternoon. Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds. .TUE NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds. .WED...SW winds around 5 kt, becoming S 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. .THU...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .THU NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. $$ ANZ451-312100- Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out 20 nm- 401 AM EDT Sun Aug 31 2025 .TODAY...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 3 seconds and E 2 ft at 7 seconds. .TONIGHT...E winds 5 to 10 kt, becoming NE 10 to 15 kt after midnight. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and E 2 ft at 8 seconds. .MON...NE winds 15 to 20 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft at 7 seconds. .MON NIGHT...NE winds 10 to 15 kt. Seas around 4 ft. Wave Detail: E 4 ft at 8 seconds. .TUE...NE winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft at 9 seconds. .TUE NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds. .WED...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .THU...S winds 10 to 15 kt. Seas 2 to 3 ft. .THU NIGHT...S winds 10 to 15 kt. Seas around 3 ft. A chance of showers. A chance of tstms after midnight. Winds and seas higher in and near tstms. $$ ANZ452-312100- Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out 20 nm- 401 AM EDT Sun Aug 31 2025 .TODAY...NE winds around 10 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and SE 2 ft at 8 seconds. .TONIGHT...E winds 5 to 10 kt, becoming NE 10 to 15 kt after midnight. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and SE 2 ft at 8 seconds. .MON...NE winds 15 to 20 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft at 7 seconds. .MON NIGHT...NE winds 10 to 15 kt. Seas around 4 ft. Wave Detail: E 4 ft at 7 seconds. .TUE...NE winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft at 8 seconds. .TUE NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas around 4 ft. Wave Detail: E 4 ft at 9 seconds. .WED...W winds around 5 kt, becoming S in the afternoon. Seas 3 to 4 ft. .WED NIGHT...S winds around 10 kt. Seas around 3 ft. .THU...S winds 10 to 15 kt. Seas around 3 ft. .THU NIGHT...S winds 10 to 15 kt. Seas around 3 ft. A chance of showers. A chance of tstms after midnight. Winds and seas higher in and near tstms. $$ ANZ453-312100- Coastal waters from Great Egg Inlet to Cape May NJ out 20 nm- 401 AM EDT Sun Aug 31 2025 .TODAY...NE winds around 10 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and E 2 ft at 8 seconds. .TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and SE 2 ft at 8 seconds. .MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft at 7 seconds and NE 1 foot at 4 seconds. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 8 seconds. .TUE...NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: E 5 ft at 8 seconds. .TUE NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas around 4 ft. Wave Detail: E 4 ft at 9 seconds. .WED...W winds around 5 kt, becoming S in the afternoon. Seas 3 to 4 ft. .WED NIGHT...S winds 5 to 10 kt. Seas around 3 ft. .THU...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .THU NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. $$ ANZ454-312100- Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm- 401 AM EDT Sun Aug 31 2025 .TODAY...NE winds around 10 kt. Seas around 2 ft. Wave Detail: N 2 ft at 3 seconds and E 2 ft at 7 seconds. .TONIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and SE 2 ft at 8 seconds. .MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft at 7 seconds and NE 2 ft at 4 seconds. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds. .TUE...NE winds around 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 8 seconds. .TUE NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds. .WED...W winds around 5 kt, becoming SE in the afternoon. Seas 3 to 4 ft. .WED NIGHT...S winds around 10 kt. Seas around 3 ft. .THU...S winds 10 to 15 kt. Seas 2 to 3 ft. .THU NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. $$ ANZ455-312100- Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm- 401 AM EDT Sun Aug 31 2025 .TODAY...NE winds around 10 kt. Seas around 2 ft. Wave Detail: N 2 ft at 4 seconds and E 2 ft at 7 seconds. .TONIGHT...NE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and E 2 ft at 8 seconds. .MON...NE winds around 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft at 7 seconds and NE 2 ft at 3 seconds. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 8 seconds. .TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 8 seconds. .TUE NIGHT...SE winds around 5 kt, becoming SW after midnight. Seas around 4 ft. Wave Detail: E 4 ft at 9 seconds. .WED...W winds around 5 kt, becoming SE in the afternoon. Seas 3 to 4 ft. .WED NIGHT...S winds 5 to 10 kt. Seas around 3 ft. .THU...S winds 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon. Seas around 3 ft. .THU NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. $$ ANZ431-312100- Delaware Bay waters south of East Point NJ to Slaughter Beach DE- 401 AM EDT Sun Aug 31 2025 .TODAY...NE winds 5 to 10 kt, becoming E late. Seas 1 foot or less. Wave Detail: N 1 foot at 2 seconds and SE 1 foot at 7 seconds. .TONIGHT...NE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 2 seconds and SE 1 foot at 7 seconds. .MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 1 to 2 ft, building to 2 to 3 ft in the afternoon. Wave Detail: NE 1 foot at 2 seconds and SE 1 foot at 7 seconds, becoming NE 1 foot at 3 seconds and SE 1 foot at 7 seconds. .MON NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 6 seconds and NE 1 foot at 3 seconds. .TUE...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and NE 1 foot at 2 seconds. .TUE NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 9 seconds and E 1 foot at 2 seconds. .WED...SW winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. .WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .THU...S winds 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon. Seas around 2 ft. .THU NIGHT...S winds 10 to 15 kt. Seas around 2 ft. A chance of showers. $$ ANZ430-312100- Delaware Bay waters north of East Point NJ to Slaughter Beach DE- 401 AM EDT Sun Aug 31 2025 .TODAY...NE winds 5 to 10 kt, becoming E late. Seas 1 foot or less. Wave Detail: NE 1 foot at 2 seconds. .TONIGHT...E winds 5 to 10 kt. Seas 1 foot or less. .MON...NE winds 5 to 10 kt, becoming E 10 to 15 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: NE 1 foot at 2 seconds, becoming E 1 foot at 3 seconds. .MON NIGHT...NE 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, becoming NE 1 foot at 3 seconds and SE 1 foot at 7 seconds. .TUE...N winds 5 to 10 kt, becoming E in the afternoon. Seas 1 foot or less. Wave Detail: NE 1 foot at 2 seconds and SE 1 foot at 7 seconds. .TUE NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas 1 foot or less. Wave Detail: SE 1 foot at 8 seconds. .WED...SW winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. .WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. .THU...S winds 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. .THU NIGHT...S winds 10 to 15 kt. Seas around 2 ft in the evening, then 1 foot or less. A chance of showers. $$