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 >
| NWS Forecast for: Coastal waters from Cape Henlopen to Fenwick Island DE out 20 NM (ANZ455) Issued by: National Weather Service Philadelphia, PA Last Update: 401 PM EDT Sat Jul 18 2026 | |
Tonight: SW winds 15 to 20 kt, diminishing to 10 to 15 kt late. Seas 2 to 4 ft. Wave detail: S 4 ft at 6 seconds. A chance of showers and tstms early this evening, then showers likely with a chance of tstms late this evening. A chance of showers and tstms after midnight. Sun: W winds 10 to 15 kt, becoming N 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave detail: S 4 ft at 7 seconds and NW 1 foot at 2 seconds. Sun Night: NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: S 3 ft at 7 seconds and NW 1 foot at 3 seconds. Mon: NE winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave detail: S 2 ft at 7 seconds. Mon Night: SE winds around 10 kt. Seas around 2 ft. Wave detail: S 2 ft at 6 seconds. A chance of showers after midnight. Tue: SE winds 10 to 15 kt, becoming S 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Wave detail: S 4 ft at 6 seconds. A chance of showers in the morning, then showers likely with a chance of tstms in the afternoon. Tue Night: S winds 15 to 20 kt, becoming SW 20 to 25 kt after midnight. Seas 5 to 7 ft. A chance of tstms. Showers. Wed: SW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 4 to 6 ft. Showers. A chance of tstms in the afternoon. Wed Night: SW winds 10 to 15 kt, becoming NW after midnight. Seas 4 to 6 ft, subsiding to 3 to 4 ft after midnight. Showers with a chance of tstms in the evening, then a chance of showers after midnight. Thu: N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Seas 3 to 4 ft. A chance of showers in the morning. Thu Night: NE winds around 5 kt. Seas 2 to 3 ft. winds and seas higher in and near tstms. | |
| Zone Forecast: Coastal waters from Cape Henlopen to Fenwick Island DE out 20 NM (ANZ455) | |
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