National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Weather and Heavy Rain for the Plains and Mid-Atlantic; Building Heat in the West

Severe thunderstorms will remain possible in the Mid-Atlantic through Tuesday. Severe thunderstorms and heavy rain will also be possible in the central/southern Plains on Tuesday and Wednesday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry weather will create Elevated to Critical fire weather conditions in the Four Corners Region. Read More >

Coastal Waters Forecast for Coastal waters from Cape May NJ to Cape Henlopen DE out 20 NM (ANZ454) (Text-Only)
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: 954 PM EDT Mon Jun 22 2026



Overnight: S winds 15 to 20 kt, diminishing to 10 to 15 kt late. Seas 3 to 5 ft. Wave detail: S 4 ft at 6 seconds. Showers with a chance of tstms late this evening, then showers likely with a slight chance of tstms.

Tue: SW winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 3 ft. Wave detail: SE 3 ft at 6 seconds. A chance of showers in the morning, then showers likely in the afternoon.

Tue Night: N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave detail: N 2 ft at 2 seconds and SE 2 ft at 6 seconds. Showers likely in the evening.

Wed: NW winds 10 to 15 kt with gusts up to 20 kt, becoming W around 5 kt in the afternoon. Seas 2 to 3 ft. Wave detail: N 2 ft at 4 seconds and SE 2 ft at 7 seconds.

Wed Night: S winds 5 to 10 kt. Seas around 2 ft. Wave detail: S 2 ft at 7 seconds and NW 1 foot at 4 seconds.

Thu: SW winds around 5 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave detail: S 2 ft at 3 seconds and S 2 ft at 7 seconds.

Thu Night: S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers after midnight.

Fri: S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. A chance of tstms in the afternoon.

Fri Night: S winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of showers and tstms.

Sat: S winds around 5 kt. Seas around 2 ft. A chance of showers. A chance of tstms in the afternoon.

Sat Night: SW winds around 5 kt, becoming W after midnight. Seas around 2 ft. A chance of tstms in the evening. 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)

Visit your local NWS office at: https://www.weather.gov/phi/