Heavy rain, mountain snow and strong winds in the western U.S. this week

The western U.S. will experience active weather yet again this week as significant Pacific moisture brings rain and mountain snow to the region. This heavy rain will bring flood concerns to parts of WA, OR and CA. Very heavy snow is possible in the Sierra, Cascades, Great Basin and parts of the northern Rockies.
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Hazardous Weather Conditions

Last Update: 350 AM EST WED JAN 18 2017

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Jacksonville, FL Local Forecast Office

38NM ESE Jekyll Island GA

Marine Zone Forecast

SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG WITH THE OCCASIONAL HEIGHT OF THE AVERAGE HIGHEST 1/10 OF THE WAVES.

Synopsis: OFFSHORE WINDS AROUND 7 TO 10KTS CAN BE EXPECTED THROUGH TONIGHT...AND A COLD FRONT WILL MOVE INTO THE AREA ON THURSDAY WITH WINDS BECOMING MORE NORTHWESTERLY. ISOLATED SHOWERS ARE POSSIBLE IN OFFSHORE WATERS THURSDAY NIGHT...AND THUNDERSTORMS ARE POSSIBLE ACROSS ALL WATERS BY SATURDAY AFTERNOON.

Today
Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 7 seconds.
Tonight
West northwest winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 7 seconds.
Thursday
North winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 7 seconds.
Thursday Night
East winds around 5 knots becoming south southwest late in the evening. Seas 2 to 3 feet. Dominant period 7 seconds. A chance of showers and a slight chance of thunderstorms after midnight.
Friday
South southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Friday Night
Southwest winds 10 to 15 knots. Seas 2 to 4 feet. A slight chance of showers.
Saturday
South southwest winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. A chance of showers and thunderstorms.
Saturday Night
South winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Showers likely and a chance of thunderstorms.
Sunday
South southwest winds 20 to 25 knots with gusts to around 35 knots. Seas 6 to 8 feet with occasional seas up to 10 feet. Showers and thunderstorms likely.
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ABOUT THIS FORECAST

Last Update: 350 AM EST WED JAN 18 2017
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