Areas Of Locally Heavy Snow And Rain Today

A strong low pressure system over the Great Lakes will produce locally heavy snow and rain, before reaching eastern Canada by tomorrow morning. Heavy snow is expected across the Upper Mississippi Valley and Great Lakes with the arrival of an Arctic air mass, while locally heavy rain is possible along and ahead of the associated cold front over the eastern Ohio Valley and southeastern New England.
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Last Update: 244 PM EST Mon Dec 9 2019

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Jacksonville, FL Local Forecast Office

8NM ESE Jacksonville Beach FL

Marine Zone Forecast


Synopsis: Surface high pressure will build across south Florida today and Tuesday. A cold front will push south of the waters late Wednesday. Elevated rain chances will continue Wednesday through Friday as an area of low pressure tracks east across the Gulf of Mexico.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of Dec 07, 2019 at 1200 UTC...

49 nautical miles east of Flagler Beach. 58 nautical miles east of Saint Augustine Beach. 64 nautical miles east of Jacksonville Beach. 85 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.

Tonight
Southeast winds 10 to 15 knots becoming south southwest. Seas 2 to 4 feet. Dominant period 8 seconds. Inland waters a light chop.
Tuesday
South winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 8 seconds. Inland waters a light chop.
Tuesday Night
South southwest winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 8 seconds. Inland waters a light chop. A chance of showers.
Wednesday
West northwest winds 10 to 15 knots becoming north northeast 15 to 20 knots in the afternoon. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 9 seconds. Inland waters choppy. A chance of showers and a slight chance of thunderstorms.
Wednesday Night
North northeast winds 20 to 25 knots with gusts to around 35 knots. Seas 5 to 7 feet with occasional seas up to 9 feet building to 6 to 9 feet with occasional seas up to 11 feet after midnight. Dominant period 6 seconds. Inland waters rough. Showers likely.
Thursday
Northeast winds 20 to 25 knots with gusts to around 35 knots. Seas 6 to 9 feet with occasional seas up to 11 feet. Dominant period 8 seconds. Inland waters rough. Showers and a slight chance of thunderstorms.
Thursday Night
East northeast winds 15 to 20 knots. Seas 6 to 8 feet with occasional seas up to 10 feet. Showers likely and a slight chance of thunderstorms.
Friday
East southeast winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Showers likely and a slight chance of thunderstorms.
Friday Night
South winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Showers likely and a slight chance of thunderstorms.
Saturday
Southwest 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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Last Update: 244 PM EST Mon Dec 9 2019
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