Areas of Showers and Thunderstorms to Start the Work Week
Areas of rain and thunderstorms are forecast Monday across the central and eastern states. Some mixed rain and snow is possible in the high Sierra Mountains. Heavy to excessive rain may bring flooding in the central Appalachians. Read More >
| NWS Forecast for: Coastal waters from Cape May NJ to Cape Henlopen DE out 20 NM (ANZ454) Issued by: National Weather Service Philadelphia, PA Last Update: 611 PM EDT Sun Sep 20 2026 |  |
Tonight: S winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt after midnight, then becoming NW late. Seas 3 to 4 ft. Wave detail: SE 4 ft at 8 seconds and S 3 ft at 4 seconds. A chance of showers with a slight chance of tstms. Mon: N winds 10 to 15 kt, becoming NE 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Wave detail: NE 4 ft at 5 seconds and E 3 ft at 8 seconds. Mon Night: NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave detail: NE 5 ft at 5 seconds and E 5 ft at 8 seconds. A chance of showers after midnight. Tue: NE winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 7 ft, building to 6 to 9 ft in the afternoon. Wave detail: E 7 ft at 7 seconds, becoming E 9 ft at 7 seconds. Showers likely. Tue Night: NE winds 25 to 30 kt with gusts up to 40 kt. Seas 8 to 11 ft. Wave detail: E 10 ft at 8 seconds. Showers likely, mainly in the evening. Wed: NE winds around 30 kt with gusts up to 40 kt. Seas 9 to 11 ft. Wave detail: E 11 ft at 9 seconds. A chance of showers. Wed Night: NE winds around 30 kt with gusts up to 45 kt. Seas 9 to 13 ft. A chance of showers. Thu: NE winds 30 to 35 kt. Seas 10 to 13 ft. A chance of showers. Thu Night: NE winds 30 to 35 kt. Seas 10 to 13 ft. A chance of showers. Fri: N winds 30 to 35 kt. Seas 11 to 15 ft. A chance of showers. Fri Night: N winds 30 to 35 kt, diminishing to 25 to 30 kt after midnight. Seas 11 to 15 ft. A chance of showers. winds and seas higher in and near tstms. | |
| Zone Forecast: Coastal waters from Cape May NJ to Cape Henlopen DE out 20 NM (ANZ454) | |
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