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Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Coastal Waters Forecast for Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm (ANZ455) (Text-Only)
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 Mar 21 2026

Tonight: SE winds 5 to 10 kt, becoming S after midnight. Seas 2 to 3 ft. Wave detail: SE 3 ft at 9 seconds and S 2 ft at 6 seconds. Patchy fog late with vsby 1 nm or less.

Sun: S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Wave detail: S 3 ft at 5 seconds and E 2 ft at 8 seconds. Patchy fog. Vsby 1 nm or less.

Sun Night: S winds 15 to 20 kt, becoming SW 10 to 15 kt after midnight. Seas 3 to 4 ft. Wave detail: S 3 ft at 5 seconds and E 2 ft at 8 seconds. A chance of showers after midnight.

Mon: N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave detail: N 3 ft at 4 seconds and S 3 ft at 6 seconds. A chance of showers.

Mon Night: N winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. Wave detail: NE 3 ft at 7 seconds and N 2 ft at 4 seconds.

Tue: N winds 10 to 15 kt with gusts up to 25 kt, becoming NE 5 to 10 kt in the afternoon. Seas 3 to 5 ft. Wave detail: E 3 ft at 8 seconds and N 2 ft at 4 seconds.

Tue Night: S winds 5 to 10 kt. Seas 3 to 4 ft.

Wed: S winds 5 to 10 kt. Seas 3 to 4 ft.

Wed Night: S winds 10 to 15 kt. Seas around 3 ft.

Thu: S winds 10 to 15 kt. Seas around 3 ft.

Thu Night: SW winds 15 to 20 kt. Seas 3 to 4 ft. A chance of rain after midnight.






Zone Forecast: Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm (ANZ455)

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