Increasing Risk for Flash and River Flooding Through the Weekend

A storm system will track across the central U.S. and set the stage for severe thunderstorms and widespread heavy rainfall through the weekend. There will be a threat for flash and river flooding for portions of the Southern Plains into the Upper Midwest.
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Hazardous Weather Conditions

Last Update: 1135 AM EDT FRI APR 28 2017

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Jacksonville, FL Local Forecast Office

38NM ESE Jekyll Island GA

Marine Zone Forecast

SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG WITH THE OCCASIONAL HEIGHT OF THE AVERAGE HIGHEST 1/10 OF THE WAVES.

...SMALL CRAFT EXERCISE CAUTION...
Synopsis: HIGH PRESSURE CENTERED OVER THE ATLANTIC WATERS ADJACENT TO THE FLORIDA PENINSULA WILL LIFT NORTHWARD THIS WEEKEND. A COLD FRONT WILL APPROACH OUR LOCAL WATERS BY LATE MONDAY...RESULTING IN STRENGTHENING SOUTHERLY WINDS BEGINNING SATURDAY NIGHT. THIS FRONT WILL STALL OVER OUR COASTAL WATERS ON MONDAY NIGHT...AND WILL WEAKEN ON TUESDAY.

Rest Of Today
South southeast winds increasing to 15 to 20 knots. Seas 3 to 5 feet. Dominant period 8 seconds.
Tonight
South southeast winds 15 to 20 knots. Seas 4 to 5 feet with occasional seas up to 6 feet. Dominant period 5 seconds.
Saturday
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Dominant period 6 seconds.
Saturday Night
South southeast winds 15 to 20 knots. Seas 4 to 5 feet with occasional seas up to 6 feet. Dominant period 6 seconds.
Sunday
South southeast winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet.
Sunday Night
South southeast winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet.
Monday
South winds 20 to 25 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. A slight chance of showers and thunderstorms.
Monday Night
South winds 20 to 25 knots becoming west southwest 15 to 20 knots after midnight. Seas 5 to 7 feet with occasional seas up to 9 feet. A chance of showers and thunderstorms.
Tuesday
Southwest winds 10 to 15 knots becoming south southeast 5 to 10 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. A slight chance of showers.
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ABOUT THIS FORECAST

Last Update: 1135 AM EDT FRI APR 28 2017
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