Severe Thunderstorms Possible for the Great Lakes into Ohio Valley; Heavy to Excessive Rainfall Over the Southern Plains

Severe thunderstorms will race along a cold front from the Upper Mississippi Valley into the Great Lakes and Ohio Valley with the main threat being damaging winds. The tail end of this front will possibly produce heavy to excessive rainfall across the southern Plains into the Lower Mississippi Valley through Saturday. Finally, Major-to-record river flooding continues across the Carolinas.
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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: 915 PM EDT Thu Sep 20 2018




Overnight: SE winds around 10 kt. Seas 3 to 4 ft. Swell mainly from the E with a dominant period of 8 seconds.

Fri: SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt late. Seas 3 to 4 ft. Swell mainly from the E with a dominant period of 9 seconds.

Fri Night: SW winds around 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Swell mainly from the E with a dominant period of 10 seconds.

Sat: SW winds 10 to 15 kt with gusts up to 20 kt, becoming NE in the afternoon. Seas 3 to 5 ft. Swell mainly from the E with a dominant period of 10 seconds.

Sat Night: NE winds 5 to 10 kt. Seas around 3 ft. A chance of showers after midnight.

Sun: NE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. A chance of showers.

Sun Night: NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers.

Mon: E winds 15 to 20 kt. Seas 5 to 8 ft. A chance of showers.

Mon Night: E winds 15 to 20 kt. Seas 6 to 8 ft. A chance of showers.

Tue: SE winds 15 to 20 kt. Seas 5 to 8 ft. A chance of showers.

Tue Night: S winds 10 to 15 kt. Seas 4 to 7 ft. A chance of showers.



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

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