Snow and Ice Continue in the Northeast; Rain and Mountain Snow in the West

Significant winter impacts shift into the Northeast on Sunday. Heavy snow up to 2 feet will be possible across interior Northeastern areas. Southern New England may see ice accumulations up to a quarter of an inch. Strong gusty winds and bitter cold will follow the cold front passage. In the west, heavy mountain snow will impact the California, Inter-Mountain West, and Rocky mountains.
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Last Update: 423 AM EST Sun Jan 20 2019

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Key West, FL Local Forecast Office

5NM SE Sand Key Light FL

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT...
Synopsis: A strong cold front will move quickly through the Keys coastal waters this morning. Strong northwest winds will follow behind the front this afternoon and evening. Northerly winds will gradually ease late tonight and Monday morning, with a relative lull expected Monday afternoon. Northeast to east breezes will begin to freshen Monday night, then strong high pressure off the mid Atlantic coast will cause fresh to strong east to southeast winds over the Keys waters Tuesday through Wednesday. The next cold front is forecast to move through the Keys late Thursday.

The Approximate Shoreward Edge of the Gulf Stream is currently unavailable.

Today
Southwest winds near 20 knots, shifting to northwest and increasing to near 25 knots during the morning. Seas 4 to 7 feet building to 5 to 9 feet in the afternoon. Numerous showers and isolated thunderstorms in the morning. Scattered showers in the afternoon.
Tonight
Northwest to north winds 20 to 25 knots. Seas 6 to 10 feet.
Monday
North to northeast winds near 20 knots early, becoming northeast and decreasing to near 15 knots. Seas 5 to 8 feet.
Monday Night
East winds increasing to near 20 knots. Seas 5 to 8 feet. Isolated showers.
Tuesday
East winds 20 to 25 knots. Seas 6 to 8 feet building to 7 to 10 feet in the afternoon. Isolated showers.
Tuesday Night
East to southeast winds 20 to 25 knots. Seas 8 to 10 feet. Scattered showers.
Wednesday
Southeast winds 20 to 25 knots. Seas 6 to 9 feet. Scattered showers.
Wednesday Night
Southeast to south winds 20 to 25 knots. Seas 5 to 8 feet. Scattered showers and isolated thunderstorms.
Thursday
South to southwest winds 15 to 20 knots. Seas 2 to 5 feet. Numerous showers and isolated thunderstorms.
Thursday Night
Northwest winds 15 to 20 knots. Seas 2 to 5 feet. Numerous showers and isolated thunderstorms.
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Last Update: 423 AM EST Sun Jan 20 2019
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