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: 942 PM EST Sun Dec 17 2017

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Tallahassee, FL Local Forecast Office

51NM SSW Panama City Beach FL

Marine Zone Forecast


Synopsis: Winds remain southerly over the next couple of days less than 15 knots. As moisture increases in southerly flow, expect areas of fog to develop mainly near the coast tonight and likely continuing through Wednesday. A frontal boundary will cross the marine area on Wednesday, increasing winds to near advisory levels. Winds will then decrease by Thursday as high pressure builds back near the marine area.

Overnight
South winds around 10 knots. Seas 2 to 3 feet. dominant period 4 seconds. Protected waters smooth to a light chop. Chance of rain. Patchy fog developing after midnight near the coast.
Monday
South winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters mostly smooth. Areas of fog near the coast.
Monday Night
South winds 5 to 10 knots. Seas 1 to 2 feet. dominant period 4 seconds. Protected waters smooth. Areas of fog near the coast.
Tuesday
Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Dominant period 4 seconds. Protected waters smooth. Areas of fog near the coast.
Tuesday Night
South winds 10 to 15 knots. Seas 1 to 2 feet. dominant period 4 seconds. Protected waters a light to moderate chop. Areas of fog near the coast.
Wednesday
Southwest winds 15 to 20 knots. Seas 2 to 4 feet. Protected waters choppy. A chance of showers and thunderstorms.
Wednesday Night
West winds 10 to 15 knots becoming northwest after midnight. Seas 2 to 4 feet. Protected waters a light to moderate chop. A slight chance of showers.
Thursday
North winds 5 to 10 knots. Seas 1 to 2 feet. Protected waters smooth.
Thursday Night
East winds around 10 knots. Seas 1 to 2 feet. Protected waters smooth to a light chop. A slight chance of rain.
Friday
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Protected waters a light to moderate chop. A slight chance of showers and thunderstorms.
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ABOUT THIS FORECAST

Last Update: 942 PM EST Sun Dec 17 2017
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