Coastal Waters Forecast
Issued by NWS Mt. Holly, NJ
Issued by NWS Mt. Holly, NJ
833 FZUS51 KPHI 190804 CWFPHI Coastal Waters Forecast for New Jersey and Delaware National Weather Service Mount Holly NJ 401 AM EDT Tue Aug 19 2025 Sandy Hook NJ to Fenwick Island DE to 20 NM offshore and Delaware Bay ANZ400-192100- 401 AM EDT Tue Aug 19 2025 .SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK ISLAND DE AND FOR DELAWARE BAY... High pressure sets up to the north while a boundary stalls out to the south. A trough moves in during the middle of the week as Hurricane Erin passes offshore. As Hurricane Erin moves away, high pressure moves in for the end of the week and into the weekend before a frontal system moves in for the back half of the weekend. $$ ANZ450-192100- Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 nm- 401 AM EDT Tue Aug 19 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON... .TODAY...E winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Wave Detail: E 4 ft at 7 seconds and SE 3 ft at 13 seconds. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: SE 5 ft at 15 seconds and E 4 ft at 6 seconds. .WED...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 6 ft. Wave Detail: SE 6 ft at 15 seconds. A chance of showers. .WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft. Wave Detail: SE 8 ft at 16 seconds. A chance of showers and tstms. .THU...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 8 to 11 ft, building to 10 to 13 ft in the afternoon. Wave Detail: SE 10 ft at 17 seconds and E 7 ft at 7 seconds, becoming SE 11 ft at 17 seconds and E 8 ft at 8 seconds. A chance of showers. .THU NIGHT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 10 to 13 ft, subsiding to 8 to 11 ft after midnight. Wave Detail: SE 13 ft at 17 seconds and E 8 ft at 8 seconds, becoming SE 11 ft at 16 seconds. A chance of showers in the evening. .FRI...N winds 20 to 25 kt, becoming NE 15 to 20 kt in the afternoon. Seas 7 to 10 ft. .FRI NIGHT...SE winds around 15 kt, becoming SW after midnight. Seas 5 to 8 ft. .SAT...SW winds 10 to 15 kt, becoming S in the afternoon. Seas 5 to 6 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft. Winds and seas higher in and near tstms. $$ ANZ451-192100- Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out 20 nm- 401 AM EDT Tue Aug 19 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON... .TODAY...E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: E 5 ft at 7 seconds and SE 4 ft at 18 seconds. A slight chance of showers early this morning. .TONIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 6 ft. Wave Detail: SE 6 ft at 15 seconds and E 4 ft at 6 seconds. .WED...E winds 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: SE 7 ft at 15 seconds. A chance of showers in the afternoon. .WED NIGHT...E winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 6 to 8 ft, building to 7 to 10 ft after midnight. Wave Detail: SE 8 ft at 16 seconds, becoming SE 10 ft at 16 seconds. A chance of showers and tstms. .THU...NE winds 25 to 35 kt. Seas 9 to 13 ft, building to 11 to 15 ft in the afternoon. Wave Detail: SE 12 ft at 17 seconds, becoming SE 13 ft at 17 seconds and E 9 ft at 8 seconds. A chance of showers. .THU NIGHT...NE winds 25 to 35 kt. Seas 11 to 15 ft, subsiding to 10 to 13 ft after midnight. Wave Detail: SE 14 ft at 17 seconds and E 9 ft at 8 seconds, becoming SE 13 ft at 16 seconds. A chance of showers in the evening. .FRI...NE winds 25 to 30 kt. Seas 9 to 12 ft. .FRI NIGHT...E winds 15 to 20 kt, becoming S after midnight. Seas 6 to 9 ft. .SAT...SW winds 15 to 20 kt, becoming S in the afternoon. Seas 5 to 7 ft. .SAT NIGHT...S winds around 15 kt. Seas 4 to 6 ft. Winds and seas higher in and near tstms. $$ ANZ452-192100- Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out 20 nm- 401 AM EDT Tue Aug 19 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON... .TODAY...E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: E 6 ft at 7 seconds and SE 4 ft at 18 seconds. A chance of showers early this morning. .TONIGHT...E winds around 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. Wave Detail: SE 7 ft at 16 seconds and E 5 ft at 7 seconds. .WED...E winds 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: SE 8 ft at 15 seconds. .WED NIGHT...E winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 7 to 10 ft. Wave Detail: SE 10 ft at 16 seconds. A chance of showers. A chance of tstms after midnight. .THU...NE winds 25 to 30 kt, increasing to 30 to 35 kt in the afternoon. Seas 10 to 14 ft, building to 12 to 16 ft in the afternoon. Wave Detail: SE 14 ft at 17 seconds, becoming SE 15 ft at 17 seconds. A chance of showers. .THU NIGHT...NE winds 30 to 35 kt, diminishing to 25 to 30 kt after midnight. Seas 12 to 16 ft, subsiding to 10 to 14 ft after midnight. Wave Detail: SE 16 ft at 17 seconds and SE 8 ft at 8 seconds, becoming SE 14 ft at 16 seconds and SE 7 ft at 8 seconds. A chance of showers in the evening. .FRI...NE winds 25 to 30 kt. Seas 9 to 12 ft. .FRI NIGHT...E winds 15 to 20 kt, becoming S after midnight. Seas 7 to 10 ft, subsiding to 6 to 8 ft after midnight. .SAT...S winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...S winds around 15 kt. Seas 4 to 6 ft. Winds and seas higher in and near tstms. $$ ANZ453-192100- Coastal waters from Great Egg Inlet to Cape May NJ out 20 nm- 401 AM EDT Tue Aug 19 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON... .TODAY...E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: E 6 ft at 7 seconds and SE 4 ft at 17 seconds. A chance of showers early this morning, then a slight chance of showers late this morning and afternoon. .TONIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. Wave Detail: SE 7 ft at 15 seconds and E 5 ft at 7 seconds. .WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to 7 ft. Wave Detail: SE 7 ft at 15 seconds. .WED NIGHT...E winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 6 to 8 ft, building to 7 to 10 ft after midnight. Wave Detail: SE 8 ft at 15 seconds, becoming SE 9 ft at 16 seconds. A chance of showers after midnight. .THU...NE winds 25 to 35 kt. Seas 10 to 14 ft. Wave Detail: SE 12 ft at 17 seconds and E 9 ft at 7 seconds. A chance of showers. .THU NIGHT...NE winds 25 to 30 kt with gusts up to 40 kt. Seas 10 to 14 ft, subsiding to 9 to 12 ft after midnight. Wave Detail: SE 14 ft at 17 seconds, becoming E 12 ft at 15 seconds. A chance of showers in the evening. .FRI...N winds 25 to 30 kt, becoming NE 20 to 25 kt in the afternoon. Seas 8 to 11 ft. .FRI NIGHT...E winds 15 to 20 kt, becoming SE 10 to 15 kt after midnight. Seas 6 to 9 ft, subsiding to 5 to 7 ft after midnight. .SAT...S winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. $$ ANZ454-192100- Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm- 401 AM EDT Tue Aug 19 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON... .TODAY...E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: E 6 ft at 7 seconds and SE 4 ft at 17 seconds. A chance of showers this morning, then a slight chance of showers early this afternoon. A chance of showers late. .TONIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. Wave Detail: SE 7 ft at 14 seconds and E 5 ft at 7 seconds. .WED...E winds around 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. Wave Detail: SE 7 ft at 15 seconds. .WED NIGHT...E winds 15 to 20 kt, becoming NE 20 to 25 kt after midnight. Seas 6 to 9 ft. Wave Detail: SE 9 ft at 16 seconds. A chance of showers after midnight. .THU...NE winds 25 to 35 kt. Seas 9 to 12 ft, building to 10 to 14 ft in the afternoon. Wave Detail: SE 11 ft at 17 seconds, becoming SE 13 ft at 17 seconds. A chance of showers. .THU NIGHT...NE winds 30 to 35 kt, becoming N 25 to 30 kt after midnight. Seas 9 to 13 ft, subsiding to 8 to 11 ft after midnight. Wave Detail: SE 13 ft at 17 seconds, becoming E 11 ft at 16 seconds and SE 7 ft at 4 seconds. A chance of showers in the evening. .FRI...N winds 25 to 30 kt, becoming NE 20 to 25 kt in the afternoon. Seas 8 to 11 ft. .FRI NIGHT...E winds 15 to 20 kt, becoming SE 10 to 15 kt after midnight. Seas 6 to 9 ft, subsiding to 5 to 7 ft after midnight. .SAT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. $$ ANZ455-192100- Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm- 401 AM EDT Tue Aug 19 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON... .TODAY...E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. Wave Detail: E 6 ft at 7 seconds and SE 4 ft at 17 seconds. Showers likely with a slight chance of tstms early this morning, then a chance of showers late this morning and afternoon. .TONIGHT...E winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 5 to 7 ft. Wave Detail: SE 7 ft at 15 seconds and E 5 ft at 7 seconds. A chance of showers in the evening. .WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. Wave Detail: SE 7 ft at 15 seconds. .WED NIGHT...E winds 15 to 20 kt, becoming NE 20 to 25 kt after midnight. Seas 5 to 8 ft, building to 7 to 10 ft after midnight. Wave Detail: SE 7 ft at 15 seconds, becoming SE 9 ft at 17 seconds. A chance of showers after midnight. .THU...NE winds 25 to 30 kt with gusts up to 40 kt. Seas 9 to 12 ft, building to 10 to 14 ft in the afternoon. Wave Detail: SE 11 ft at 17 seconds, becoming SE 12 ft at 17 seconds and E 9 ft at 8 seconds. A chance of showers. .THU NIGHT...N winds 25 to 30 kt with gusts up to 40 kt. Seas 10 to 14 ft, subsiding to 9 to 12 ft after midnight. Wave Detail: SE 14 ft at 17 seconds, becoming E 12 ft at 15 seconds. A chance of showers in the evening. .FRI...N winds 25 to 30 kt, becoming NE 20 to 25 kt in the afternoon. Seas 8 to 11 ft. .FRI NIGHT...E winds 15 to 20 kt, becoming SE 10 to 15 kt after midnight. Seas 6 to 9 ft, subsiding to 5 to 7 ft after midnight. .SAT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Winds and seas higher in and near tstms. $$ ANZ431-192100- Delaware Bay waters south of East Point NJ to Slaughter Beach DE- 401 AM EDT Tue Aug 19 2025 .TODAY...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: E 3 ft at 3 seconds and SE 2 ft at 15 seconds. A chance of showers. .TONIGHT...E winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 4 seconds and SE 2 ft at 16 seconds. .WED...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 3 seconds and S 2 ft at 6 seconds. A chance of showers in the afternoon. .WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: E 2 ft at 2 seconds and S 2 ft at 7 seconds. A chance of tstms in the evening. A chance of showers. .THU...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: NE 4 ft at 4 seconds and S 2 ft at 8 seconds. A chance of showers. .THU NIGHT...N winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: NE 4 ft at 4 seconds and S 3 ft at 9 seconds. A chance of showers in the evening. .FRI...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 15 kt, becoming S after midnight. Seas 2 to 4 ft. .SAT...S winds 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. $$ ANZ430-192100- Delaware Bay waters north of East Point NJ to Slaughter Beach DE- 401 AM EDT Tue Aug 19 2025 .TODAY...E winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: E 2 ft at 3 seconds. A chance of showers early this morning, then a slight chance of showers late this morning and afternoon. .TONIGHT...E winds 10 to 15 kt. Seas around 2 ft. Wave Detail: E 2 ft at 3 seconds. .WED...SE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE 1 foot at 14 seconds. A chance of showers and tstms in the afternoon. .WED NIGHT...E winds 10 to 15 kt, becoming NE 15 to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 3 seconds and SE 1 foot at 15 seconds. A chance of tstms in the evening. A chance of showers. .THU...NE winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 3 seconds and SE 1 foot at 5 seconds. A chance of showers. .THU NIGHT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 3 seconds and S 2 ft at 7 seconds. A chance of showers in the evening. .FRI...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .FRI NIGHT...SE winds 10 to 15 kt, becoming S after midnight. Seas around 2 ft. .SAT...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. .SAT NIGHT...S winds 10 to 15 kt. Seas around 2 ft. Winds and seas higher in and near tstms. $$