Winter Storm System To Bring Widespread Impacts Across the Eastern Half of the U.S. Through Midweek

A developing winter storm system will bring a swath of heavy snow and ice from Oklahoma into the Midwest, Ohio Valley, Mid Atlantic, and the Northeast U.S. Tuesday through Wednesday. Areas of dangerous travel are likely. Further South, several inches of heavy rain will lead to the potential for flooding in the lower Mississippi and Tennessee River Valleys.
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Last Update: 914 PM EST Mon Feb 18 2019

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Jacksonville, FL Local Forecast Office

37NM E Jacksonville Beach FL

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EST TUESDAY THROUGH THURSDAY MORNING...
Synopsis: A cold front moved through the region this evening and will stall just south of the region overnight. A coastal trough will develop off the central Florida coast late Tonight. This trough will lift north across area waters Tuesday into Tuesday night as the front moves north as a warm front. High pressure will build to the east Wednesday through Saturday night, with frontal boundary to the northwest. A cold front will move southeast into region Sunday into Sunday night and stall through Monday.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of Feb 18, 2019 at 1200 UTC...

69 nautical miles east of Flagler Beach. 75 nautical miles east of Saint Augustine Beach. 86 nautical miles east of Jacksonville Beach. 99 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.

Rest Of Tonight
Northeast winds 15 to 20 knots increasing 20 to 25 knots after midnight. Seas 3 to 4 feet building to 4 to 6 feet with occasional seas up to 8 feet after midnight. Dominant period 6 seconds. A chance of showers late in the evening, then showers likely after midnight.
Tuesday
East northeast winds 20 to 25 knots with a few gusts to around 35 knots. Seas 7 to 10 feet with occasional seas up to 13 feet. Dominant period 6 seconds. Showers.
Tuesday Night
Southeast winds 20 to 25 knots. Seas 8 to 11 feet with occasional seas up to 14 feet. Dominant period 8 seconds. Showers likely.
Wednesday
South southeast winds 10 to 15 knots. Seas 6 to 8 feet with occasional seas up to 10 feet. Dominant period 8 seconds. A chance of showers in the morning, then a slight chance of showers in the afternoon.
Wednesday Night
South winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. A chance of showers and a slight chance of thunderstorms.
Thursday
South winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. A slight chance of showers.
Thursday Night
South southwest winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. A chance of showers.
Friday
South southwest winds around 5 knots becoming southeast in the afternoon. Seas 3 to 5 feet with occasional seas up to 6 feet. A slight chance of showers.
Friday Night
Southeast winds 5 to 10 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. A chance of showers.
Saturday
South southeast winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. A chance of showers.
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ABOUT THIS FORECAST

Last Update: 914 PM EST Mon Feb 18 2019
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