Regional Outbreaks of Severe Weather Through Early Next Week; Early Season Heat Wave across the South

Active spring pattern across the center of our nation with several episodes of severe weather and heavy rainfall expected into next week. The potential for very large hail, long track tornadoes, severe wind gusts, frequent cloud to ground lightning strikes and flash flooding are in the outlook. Furthermore, dangerous early season heat wave continues for the Gulf Coast states into early next week. 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: 402 AM EDT Sun May 18 2025




Today: W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave detail: W 4 ft at 4 seconds and SE 3 ft at 7 seconds.

Tonight: NW winds around 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave detail: W 4 ft at 5 seconds and SE 2 ft at 7 seconds.

Mon: NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave detail: NW 4 ft at 5 seconds and SE 1 foot at 8 seconds.

Mon Night: NW winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: NW 3 ft at 4 seconds and E 2 ft at 8 seconds.

Tue: NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: N 2 ft at 5 seconds.

Tue Night: S winds 5 to 10 kt, becoming SE 10 to 15 kt after midnight. Seas around 2 ft. Wave detail: SE 2 ft at 3 seconds and NE 2 ft at 7 seconds. A chance of showers after midnight.

Wed: E winds 15 to 20 kt. Seas 2 to 4 ft, building to 4 to 5 ft in the afternoon. Showers.

Wed Night: E winds 20 to 25 kt. Seas 5 to 6 ft. Showers.

Thu: NE winds 15 to 20 kt. Seas 5 to 6 ft. Showers likely, mainly in the morning.

Thu Night: N winds 15 to 20 kt. Seas 5 to 7 ft. A chance of showers.







Zone Forecast: Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm (ANZ454)

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