Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. 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: 723 PM EDT Fri Aug 21 2026
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Tonight: E winds around 5 kt. Seas 2 to 3 ft. Wave detail: NE 2 ft at 6 seconds and NW 1 foot at 3 seconds. A chance of showers late.

Sat: E winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: NE 2 ft at 7 seconds and SE 1 foot at 9 seconds. Showers in the morning, then showers likely with a chance of tstms in the afternoon.

Sat Night: SE winds around 10 kt, becoming S after midnight. Seas 2 to 3 ft. Wave detail: NE 2 ft at 7 seconds and SE 1 foot at 3 seconds. Showers with a chance of tstms in the evening, then a chance of showers after midnight.

Sun: W winds 5 to 10 kt. Seas around 2 ft. Wave detail: SE 2 ft at 6 seconds and SE 1 foot at 13 seconds. A chance of showers in the morning.

Sun Night: W winds 5 to 10 kt. Seas around 2 ft. Wave detail: SE 2 ft at 6 seconds and SE 1 foot at 12 seconds.

Mon: W winds 5 to 10 kt. Seas around 2 ft. Wave detail: NW 1 foot at 2 seconds and E 1 foot at 6 seconds.

Mon Night: W winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft.

Tue: NW winds 5 to 10 kt. Seas around 2 ft.

Tue Night: SW winds around 5 kt. Seas around 2 ft.

Wed: S winds around 5 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft.

Wed Night: S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers after midnight.

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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