Significant Snowfall for Washington Cascades and Northern Rocky Mountains

A cold front will linger for several days from the Pacific Northwest to portions of the northern Plains early this week. Cold temperatures and copious moisture will combine to produce several feet of snow into the mountain passes, with up to 4 feet of snow down to 4000 feet in the northern Rockies. Travel through mountain passes will be very difficult.
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Last Update: 413 AM EST Mon Dec 18 2017

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Jacksonville, FL Local Forecast Office

37NM E Jacksonville Beach FL

Marine Zone Forecast


Synopsis: Surface ridging will remain just south of the area through Wednesday. Conditions will be favorable for dense sea fog near the coast Tonight through Wednesday morning. A cold front will approach the local waters late Wednesday with an increase in offshore flow preceding the front. Winds will shift onshore behind the front Thursday as high pressure builds northeast of the region.

Today
South southwest winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 9 seconds.
Tonight
West southwest winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 9 seconds.
Tuesday
West northwest winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 9 seconds.
Tuesday Night
West southwest winds 5 to 10 knots. Seas 1 to 2 feet. Dominant period 9 seconds.
Wednesday
Southwest winds 10 to 15 knots. Seas 2 to 4 feet.
Wednesday Night
West southwest winds 15 to 20 knots. Seas 2 to 4 feet. A chance of showers and a slight chance of thunderstorms.
Thursday
North winds 10 to 15 knots. Seas 2 to 4 feet. A slight chance of showers.
Thursday Night
Northeast winds 10 to 15 knots. Seas 2 to 4 feet. A slight chance of showers.
Friday
East northeast winds 5 to 10 knots. Seas 3 to 4 feet.
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ABOUT THIS FORECAST

Last Update: 413 AM EST Mon Dec 18 2017
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