Coastal Waters Forecast
Issued by NWS Mt. Holly, NJ
Issued by NWS Mt. Holly, NJ
606 FZUS51 KPHI 200804 CWFPHI Coastal Waters Forecast for New Jersey and Delaware National Weather Service Mount Holly NJ 401 AM EDT Wed Aug 20 2025 Sandy Hook NJ to Fenwick Island DE to 20 NM offshore and Delaware Bay ANZ400-202100- 401 AM EDT Wed Aug 20 2025 .SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK ISLAND DE AND FOR DELAWARE BAY... High pressure centered over portions of New England will slowly drift east. An area of low pressure and associated front will pass through the region Wednesday into Thursday. Hurricane Erin will move north, making its closest approach on Thursday, but remain well offshore. High pressure will build in for much of the weekend, though another cold front will approach by the beginning of next week. $$ ANZ450-202100- Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 nm- 401 AM EDT Wed Aug 20 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... ...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .TODAY...E winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 7 ft. Wave Detail: SE 6 ft at 15 seconds and E 4 ft at 5 seconds. A slight chance of showers this morning, then showers likely with a chance of tstms this afternoon with vsby 1 to 3 NM. .TONIGHT...E winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 5 to 7 ft, building to 6 to 9 ft after midnight. Wave Detail: SE 6 ft at 17 seconds and E 4 ft at 5 seconds, becoming SE 8 ft at 17 seconds and E 5 ft at 5 seconds. A chance of tstms. Showers likely, mainly in the evening. Vsby 1 to 3 NM. .THU...NE winds 25 to 30 kt with gusts up to 40 kt. Seas 8 to 11 ft, building to 10 to 14 ft in the afternoon. Wave Detail: E 9 ft at 7 seconds and SE 8 ft at 16 seconds, becoming SE 14 ft at 17 seconds and E 9 ft at 8 seconds. A chance of showers. .THU NIGHT...NE winds 25 to 30 kt with gusts up to 40 kt. Seas 11 to 14 ft, subsiding to 9 to 13 ft after midnight. Wave Detail: E 14 ft at 14 seconds, becoming E 12 ft at 12 seconds. A chance of showers in the evening. .FRI...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 8 to 11 ft. Wave Detail: E 10 ft at 13 seconds. .FRI NIGHT...SE winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 5 to 8 ft. Wave Detail: E 7 ft at 12 seconds. .SAT...W winds 5 to 10 kt, becoming S in the afternoon. Seas 4 to 6 ft. .SAT NIGHT...S winds around 10 kt. Seas 4 to 5 ft. .SUN...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers in the afternoon. .SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers in the evening, then showers likely after midnight. Winds and seas higher in and near tstms. $$ ANZ451-202100- Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out 20 nm- 401 AM EDT Wed Aug 20 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... ...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .TODAY...E winds 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: SE 7 ft at 15 seconds. A slight chance of showers and tstms this morning, then a chance of showers and tstms this afternoon with vsby 1 to 3 NM. .TONIGHT...E winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 6 to 9 ft. Wave Detail: SE 9 ft at 17 seconds. A chance of showers and tstms in the evening, then a chance of showers after midnight. Vsby 1 to 3 NM in the evening. .THU...NE winds 25 to 30 kt, increasing to 30 to 35 kt in the afternoon. Seas 9 to 13 ft, building to 12 to 16 ft in the afternoon. Wave Detail: SE 10 ft at 16 seconds and E 8 ft at 7 seconds, becoming SE 16 ft at 17 seconds and E 10 ft at 8 seconds. A chance of showers. .THU NIGHT...NE winds 30 to 35 kt with gusts up to 45 kt. Seas 13 to 16 ft, subsiding to 10 to 14 ft after midnight. Wave Detail: E 16 ft at 14 seconds and SE 5 ft at 8 seconds, becoming E 13 ft at 12 seconds. A chance of showers in the evening. .FRI...N winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Seas 9 to 12 ft. Wave Detail: E 11 ft at 13 seconds. .FRI NIGHT...E winds 15 to 20 kt, becoming SW 10 to 15 kt after midnight. Seas 7 to 10 ft, subsiding to 6 to 8 ft after midnight. Wave Detail: E 8 ft at 12 seconds. .SAT...W winds 10 to 15 kt, becoming S in the afternoon. Seas 5 to 7 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft. .SUN...S winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers in the afternoon. .SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers. Winds and seas higher in and near tstms. $$ ANZ452-202100- Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out 20 nm- 401 AM EDT Wed Aug 20 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... ...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .TODAY...SE winds around 15 kt with gusts up to 20 kt. Seas 7 to 9 ft. Wave Detail: SE 8 ft at 15 seconds and E 3 ft at 6 seconds. A chance of showers with a slight chance of tstms this morning, then a chance of showers and tstms this afternoon. .TONIGHT...E winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 7 to 10 ft. Wave Detail: SE 10 ft at 16 seconds. A chance of tstms in the evening. A chance of showers. .THU...NE winds 25 to 30 kt, increasing to 30 to 35 kt in the afternoon. Seas 9 to 13 ft, building to 12 to 16 ft in the afternoon. Wave Detail: SE 12 ft at 16 seconds and E 8 ft at 7 seconds, becoming SE 16 ft at 17 seconds and E 11 ft at 9 seconds. A chance of showers. .THU NIGHT...NE winds 30 to 35 kt, becoming N 25 to 35 kt after midnight. Seas 13 to 17 ft, subsiding to 11 to 15 ft after midnight. Wave Detail: E 17 ft at 14 seconds and SE 10 ft at 9 seconds, becoming E 14 ft at 14 seconds. A chance of showers in the evening. .FRI...N winds 25 to 30 kt, becoming NE 20 to 25 kt in the afternoon. Seas 9 to 13 ft. Wave Detail: E 12 ft at 13 seconds. .FRI NIGHT...NE winds 15 to 20 kt, becoming SW 10 to 15 kt after midnight. Seas 7 to 10 ft, subsiding to 6 to 8 ft after midnight. Wave Detail: E 9 ft at 12 seconds, becoming S 1 foot at 9 seconds. .SAT...W winds 10 to 15 kt, becoming S in the afternoon. Seas 5 to 7 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft. .SUN...S winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers. Winds and seas higher in and near tstms. $$ ANZ453-202100- Coastal waters from Great Egg Inlet to Cape May NJ out 20 nm- 401 AM EDT Wed Aug 20 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... ...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .TODAY...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to 8 ft. Wave Detail: SE 7 ft at 15 seconds. A slight chance of tstms. A chance of showers until late afternoon, then a slight chance of showers late. .TONIGHT...E winds around 15 kt, increasing to 20 to 25 kt after midnight. Seas 6 to 9 ft. Wave Detail: SE 8 ft at 16 seconds. A chance of showers. .THU...NE winds 25 to 30 kt, increasing to 30 to 35 kt in the afternoon. Seas 9 to 12 ft, building to 11 to 15 ft in the afternoon. Wave Detail: SE 10 ft at 16 seconds and E 7 ft at 6 seconds, becoming SE 15 ft at 17 seconds and E 10 ft at 8 seconds. A chance of showers. .THU NIGHT...NE winds 30 to 35 kt, becoming N 25 to 30 kt after midnight. Seas 12 to 16 ft, subsiding to 10 to 14 ft after midnight. Wave Detail: E 16 ft at 14 seconds, becoming E 13 ft at 13 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 9 to 12 ft. Wave Detail: E 11 ft at 12 seconds. .FRI NIGHT...E winds 10 to 15 kt with gusts up to 20 kt, becoming S 5 to 10 kt after midnight. Seas 7 to 10 ft, subsiding to 6 to 8 ft after midnight. Wave Detail: E 8 ft at 12 seconds. .SAT...SW winds 5 to 10 kt, becoming S in the afternoon. Seas 5 to 7 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 5 to 6 ft. .SUN...S winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers. Winds and seas higher in and near tstms. $$ ANZ454-202100- Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm- 401 AM EDT Wed Aug 20 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... ...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .TODAY...SE winds around 15 kt with gusts up to 20 kt. Seas 6 to 8 ft. Wave Detail: SE 7 ft at 15 seconds. A chance of showers with a slight chance of tstms until late afternoon. .TONIGHT...E winds around 15 kt, increasing to 20 to 25 kt after midnight. Seas 6 to 9 ft. Wave Detail: SE 8 ft at 16 seconds and SE 6 ft at 8 seconds. .THU...NE winds 25 to 30 kt, increasing to 30 to 35 kt in the afternoon. Seas 8 to 11 ft, building to 10 to 14 ft in the afternoon. Wave Detail: SE 10 ft at 16 seconds and SE 8 ft at 8 seconds, becoming SE 12 ft at 17 seconds and E 11 ft at 8 seconds. A chance of showers. .THU NIGHT...N winds 30 to 35 kt, diminishing to 25 to 30 kt after midnight. Seas 11 to 15 ft, subsiding to 9 to 13 ft after midnight. Wave Detail: E 15 ft at 17 seconds and SE 11 ft at 8 seconds, becoming E 12 ft at 14 seconds and SE 6 ft at 7 seconds. A chance of showers in the evening. .FRI...N winds 20 to 25 kt, becoming NE 15 to 20 kt in the afternoon. Seas 9 to 12 ft. Wave Detail: E 11 ft at 12 seconds. .FRI NIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 kt after midnight. Seas 6 to 9 ft. Wave Detail: E 8 ft at 12 seconds. .SAT...S winds 5 to 10 kt. Seas 5 to 7 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...S winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers. Winds and seas higher in and near tstms. $$ ANZ455-202100- Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm- 401 AM EDT Wed Aug 20 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... ...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .TODAY...SE winds 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: SE 7 ft at 15 seconds and E 4 ft at 6 seconds. A slight chance of tstms. A chance of showers until late afternoon, then a slight chance of showers late. .TONIGHT...E winds 10 to 15 kt, increasing to 20 to 25 kt after midnight. Seas 6 to 9 ft. Wave Detail: SE 8 ft at 16 seconds. A chance of showers after midnight. .THU...NE winds 25 to 30 kt, increasing to 30 to 35 kt with gusts up to 45 kt in the afternoon. Seas 9 to 12 ft, building to 11 to 15 ft in the afternoon. Wave Detail: SE 10 ft at 17 seconds and E 6 ft at 6 seconds, becoming SE 12 ft at 17 seconds and E 10 ft at 8 seconds. Showers likely. .THU NIGHT...N 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: E 15 ft at 15 seconds, becoming E 13 ft at 13 seconds. Showers likely in the evening. .FRI...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 9 to 12 ft. Wave Detail: E 11 ft at 12 seconds. .FRI NIGHT...NE winds 10 to 15 kt, becoming SE 5 to 10 kt after midnight. Seas 7 to 10 ft, subsiding to 6 to 8 ft after midnight. Wave Detail: E 8 ft at 12 seconds. .SAT...SE winds 5 to 10 kt. Seas 5 to 7 ft. .SAT NIGHT...S winds around 10 kt. Seas 5 to 6 ft. .SUN...S winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers. Winds and seas higher in and near tstms. $$ ANZ431-202100- Delaware Bay waters south of East Point NJ to Slaughter Beach DE- 401 AM EDT Wed Aug 20 2025 ...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .TODAY...SE winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: E 3 ft at 6 seconds and SE 2 ft at 14 seconds. A slight chance of tstms this morning. A chance of showers. A chance of tstms this afternoon. .TONIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and SE 2 ft at 15 seconds. A chance of showers. .THU...NE winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: NE 5 ft at 5 seconds and SE 2 ft at 16 seconds. A chance of showers. .THU NIGHT...N winds 25 to 30 kt with gusts up to 40 kt, diminishing to 20 to 25 kt with gusts up to 30 kt after midnight. Seas 4 to 6 ft. Wave Detail: NE 6 ft at 6 seconds and SE 4 ft at 17 seconds. A chance of showers in the evening. .FRI...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: N 4 ft at 5 seconds and S 3 ft at 15 seconds. .FRI NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas 3 to 5 ft. Wave Detail: SE 3 ft at 6 seconds and SE 2 ft at 12 seconds. .SAT...SW winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. .SUN...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers in the afternoon. .SUN NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers in the evening, then showers likely after midnight. Winds and seas higher in and near tstms. $$ ANZ430-202100- Delaware Bay waters north of East Point NJ to Slaughter Beach DE- 401 AM EDT Wed Aug 20 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .TODAY...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and SE 1 foot at 14 seconds. A slight chance of tstms this morning. A chance of showers. A chance of tstms this afternoon. Vsby 1 to 3 NM early this afternoon. .TONIGHT...SE winds 10 to 15 kt, becoming NE 15 to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and SE 1 foot at 15 seconds. A chance of showers in the evening. .THU...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 2 to 4 ft. Wave Detail: NE 3 ft at 4 seconds and SE 1 foot at 16 seconds. A chance of showers. .THU NIGHT...N winds 20 to 25 kt with gusts up to 35 kt. Seas 2 to 4 ft. Wave Detail: NE 4 ft at 4 seconds and SE 1 foot at 17 seconds. A chance of showers in the evening. .FRI...N winds 15 to 20 kt, diminishing to around 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: N 3 ft at 4 seconds and SE 1 foot at 15 seconds. .FRI NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas around 2 ft. Wave Detail: E 2 ft at 5 seconds and SE 1 foot at 12 seconds. .SAT...S winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas around 2 ft. .SUN...S winds 10 to 15 kt. Seas around 2 ft. A chance of showers in the afternoon. .SUN NIGHT...S winds 10 to 15 kt. Seas around 2 ft. Showers likely. Winds and seas higher in and near tstms. $$