Severe Thunderstorms and Flash Flooding Risks - Saturday, July 18th

Scattered to numerous severe thunderstorms are likely across the region on Saturday, July 18th, including a risk of flash flooding for portions of the area. View this briefing for the details regarding these hazards. Read More >

Coastal Waters Forecast for Delaware Bay waters south of East Point NJ to Slaughter Beach DE (ANZ431) (Text-Only)
NWS Forecast for: Delaware Bay waters south of East Point NJ to Slaughter Beach DE (ANZ431)
Issued by: National Weather Service Philadelphia, PA
Last Update: 401 PM EDT Fri Jul 17 2026
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Tonight: S winds 5 to 10 kt. Seas 1 foot or less. Wave detail: S 1 foot at 3 seconds. Smoke this evening, then areas of smoke after midnight.

Sat: S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave detail: S 2 ft at 4 seconds. Areas of smoke in the morning. Showers and tstms likely in the afternoon.

Sat Night: SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave detail: SW 3 ft at 4 seconds. Showers and tstms likely, mainly in the evening.

Sun: NW winds 10 to 15 kt. Seas around 2 ft. Wave detail: W 2 ft at 3 seconds and S 2 ft at 4 seconds.

Sun Night: N winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft. Wave detail: NW 1 foot at 3 seconds and SE 1 foot at 7 seconds.

Mon: E winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. Wave detail: NE 1 foot at 2 seconds.

Mon Night: SE winds 10 to 15 kt. Seas around 2 ft.

Tue: S winds around 10 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 3 ft. A chance of showers and tstms in the afternoon.

Tue Night: SW winds 15 to 20 kt. Seas 2 to 3 ft. A chance of tstms. A chance of showers in the evening, then showers likely after midnight.

Wed: W winds 15 to 20 kt. Seas 2 to 3 ft. Showers likely. A chance of tstms in the afternoon.

Wed Night: W winds 10 to 15 kt. Seas 2 to 3 ft. Showers likely with a chance of tstms in the evening, then a chance of showers after midnight.

winds and seas higher in and near tstms.







Zone Forecast: Delaware Bay waters south of East Point NJ to Slaughter Beach DE (ANZ431)

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