Severe Thunderstorms, Heavy Rain, Gusty Winds, And Flooding Potential From The Southeast U.S. To The Appalachians and Mid Atlantic Region

A slow moving low pressure system will track from the southern U.S. to the Mid Atlantic and Northeast early this week. The system will bring widespread rain, locally heavy from the Deep South to the Mid Atlantic Region. Localized flooding will be possible. In addition, the potential exists for strong to severe thunderstorms capable of damaging wind particularly over the Southeast U.S. into Monday.
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Last Update: 929 PM EDT Sun Apr 22 2018

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Jacksonville, FL Local Forecast Office

8NM ESE Jacksonville Beach FL

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...
Synopsis: Strong high pressure centered off the Mid-Atlantic coast will keep strong onshore winds in place over our waters through Monday. Meanwhile, weak low pressure over the lower Mississippi Valley this evening will progress eastward across south central Georgia on Monday and Monday night, and will then lift northeastward over the Carolinas on Tuesday. Showers and thunderstorms will increase on Monday afternoon and evening in advance of an approaching cold front that will cross our waters on Tuesday. Offshore winds will develop on Monday night in advance of this front and will prevail for much of the week in the wake of this system. Winds and seas will diminish following the passage of the cold front.

Rest Of Tonight
Southeast winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant period 7 seconds. Inland waters choppy. A chance of showers in the evening, then showers likely and a slight chance of thunderstorms after midnight.
Monday
South southeast winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant period 8 seconds. Inland waters choppy. Showers likely and a slight chance of thunderstorms in the morning, then showers and thunderstorms in the afternoon.
Monday Night
Southwest winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 8 seconds. Inland waters a light chop. Showers likely and a slight chance of thunderstorms.
Tuesday
South southwest winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 8 seconds. Inland waters a light chop. A chance of showers and a slight chance of thunderstorms.
Tuesday Night
West southwest winds 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Inland waters a moderate chop.
Wednesday
Southwest winds 5 to 10 knots. Seas 2 to 4 feet. Inland waters mostly smooth.
Wednesday Night
West southwest winds 5 to 10 knots, becoming west northwest after midnight. Seas 2 to 4 feet. Inland waters mostly smooth.
Thursday
Northwest winds 5 to 10 knots, becoming east southeast 10 knots in the afternoon. Seas 2 to 3 feet. Inland waters becoming a light chop. A slight chance of showers.
Thursday Night
South southwest winds 5 to 10 knots, becoming west northwest after midnight. Seas 2 to 3 feet. Inland waters mostly smooth. A chance of showers and a slight chance of thunderstorms.
Friday
Northwest winds 5 to 10 knots, becoming west southwest in the afternoon. Seas 2 to 3 feet. Inland waters mostly smooth.
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Last Update: 929 PM EDT Sun Apr 22 2018
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