Dangerous Heat Building in the West; Severe Storms in the Upper Midwest

A long duration heat wave will build across the Southwest, California, and Pacific Northwest. Dangerous heat is also forecast for the Great Basin and South Plains. Severe storms in the Upper Midwest may have locally heavy rain, damaging winds, and very large hail. Heavy rain and flooding will also be possible in the Deep South and Appalachians.
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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: 101 AM EDT Fri Aug 14 2020


Rest Of Tonight: NE winds 5 to 10 kt. Seas 2 ft or less. A slight chance of showers. Swell mainly from the SE with a dominant period of 9 seconds.

Fri: NE winds around 10 kt, increasing to around 15 kt with gusts up to 20 kt in the late morning and afternoon. Seas around 3 ft. A chance of showers in the morning, then a chance of tstms in the afternoon. Swell mainly from the SE with a dominant period of 9 seconds, becoming mainly from the NE with a dominant period of 5 seconds in the afternoon.

Fri Night: NE winds 10 to 15 kt. Gusts up to 20 kt early in the evening. Seas 3 to 4 ft. A chance of tstms early in the evening. Swell mainly from the NE with a dominant period of 5 seconds.

Sat: NE winds around 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of tstms. Swell mainly from the NE with a dominant period of 6 seconds.

Sat Night: E winds around 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of tstms in the evening, then tstms likely after midnight.

Sun: E winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Tstms likely.

Sun Night: E winds around 10 kt with gusts up to 20 kt, becoming N after midnight. Seas 3 to 5 ft. Tstms likely, mainly in the evening.

Mon: NW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of tstms.

Mon Night: W winds around 5 kt. Seas 3 to 4 ft. A chance of tstms in the evening.

Tue: W winds 5 to 10 kt. Seas around 3 ft.

Tue Night: SW winds around 5 kt, becoming NW after midnight. Seas around 3 ft. 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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