Severe Weather and Heavy Rain Shifts Into East

A strong and organized storm system will progress from the Ohio and Tennessee Valleys into the East. Expect severe weather with damaging winds across the Mid-Atlantic and Southeast, while the excessive rain risk moves from the Ohio Valley into the Northeast. Also, heat builds in parts of Texas and a cold storm system will carve into the northern Rockies for possible higher elevation snowfall.
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Last Update: 1017 AM EDT Thu Jun 20 2019

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Jacksonville, FL Local Forecast Office

37NM E Jacksonville Beach FL

Marine Zone Forecast


...SMALL CRAFT EXERCISE CAUTION...
Synopsis: A persistent southwest flow will continue through the period as a high pressure ridge remains south of the region and a low pressure trough lingers north of the waters. Elevated winds and seas will continue over the waters through Friday.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of Jun 20, 2019 at 1200 UTC...

70 nautical miles east of Flagler Beach. 75 nautical miles east of Saint Augustine Beach. 83 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 Today
Southwest winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 4 seconds. Showers likely and a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms.
Tonight
West southwest winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 5 seconds. A slight chance of showers and thunderstorms after midnight.
Friday
West southwest winds 15 to 20 knots becoming south southwest 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet subsiding to 2 to 3 feet. Dominant period 5 seconds. A slight chance of showers and thunderstorms.
Friday Night
West winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 4 seconds.
Saturday
West winds 5 to 10 knots becoming south 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.
Saturday Night
Southwest winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.
Sunday
West winds 5 to 10 knots becoming south. Seas 2 to 3 feet. A chance of showers and thunderstorms.
Sunday Night
Southwest winds around 10 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.
Monday
West southwest winds 5 to 10 knots becoming south southwest 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms.
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ABOUT THIS FORECAST

Last Update: 1017 AM EDT Thu Jun 20 2019
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