Extreme Fire Weather Threat in Southern California; Chilly Weather for Much of U.S.; Heavy Rain in South Plains

Cold, Canadian air will cause Santa Ana winds to develop across southern California for extreme fire weather threats early this week, and critical Fire Weather threats through mid-week. This cold air is also plunging much of the U.S. below to much below normal temperatures, especially, across the High Plains. Heavy rains continue across the South Plains as moist air rides over this cold front.
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Last Update: 816 AM EDT Mon Oct 15 2018

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Jacksonville, FL Local Forecast Office

8NM NE Mayport FL

Marine Zone Forecast


Synopsis: Surface high pressure will build East of the region through Tuesday as a cold front approaches from the Northwest. This front will move South across area waters Wednesday, and stall just to the South Wednesday night. High pressure will build to the North Northeast late in the week, with the enhanced pressure gradient leading to elevated conditions.

Rest Of Today
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 5 seconds. Inland waters a light chop. A slight chance of showers.
Tonight
South southwest winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 5 seconds. Inland waters a light chop. A slight chance of showers late in the evening.
Tuesday
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 5 seconds increasing to 12 seconds. Inland waters a light chop.
Tuesday Night
South southwest winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 12 seconds. Inland waters a light chop. A slight chance of showers.
Wednesday
South southwest winds 5 to 10 knots becoming east southeast. Seas 2 to 3 feet. Inland waters a light chop. A chance of showers and a slight chance of thunderstorms.
Wednesday Night
Northeast winds 10 to 15 knots. Seas 2 to 3 feet building to 3 to 5 feet with occasional seas up to 6 feet after midnight. Inland waters a light chop. A chance of showers and a slight chance of thunderstorms.
Thursday
East northeast winds 20 to 25 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Inland waters choppy. A chance of showers and a slight chance of thunderstorms.
Thursday Night
East northeast winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Inland waters choppy. A chance of showers and a slight chance of thunderstorms.
Friday
East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Inland waters a moderate chop. A chance of showers and a slight chance of thunderstorms.
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Last Update: 816 AM EDT Mon Oct 15 2018
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