A Storm Expected To Impact The Central U.S.

A storm system will emerge from the Rockies and impact the Central U.S. through midweek. A swath of heavy snow is expected from the Central Rockies to the Upper Mississippi Valley and Great Lakes. Locally heavy rain with a marginal chance for excessive rainfall will be possible from the Lower Mississippi Valley to the South. The system will then shift into the East to produce a number of hazards.
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Last Update: 437 AM EST Tue Jan 22 2019

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Key West, FL Local Forecast Office

5NM E Vaca Cut FL

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT...
Synopsis: Winds will continue to freshen as they shift more easterly and become strong today across most Florida Keys coastal waters zones. A sprawling continental high pressure cell over the eastern United States will intensify as it migrates eastward to the western North Atlantic today through Wednesday. The next cold front will slide across the Gulf of Mexico Wednesday and Wednesday night, likely reaching the Florida Keys by late Thursday. Winds will box quickly around the compass Wednesday night through Thursday night, with moderate to fresh northeast breezes likely Friday and Saturday.

Gulf Stream information is unavailable at this time.

Today
East winds 20 to 25 knots, increasing to near 25 knots. seas building to 3 to 6 feet. Nearshore waters extremely rough. isolated showers developing.
Tonight
East to southeast winds near 25 knots. Seas 3 to 6 feet. Nearshore waters extremely rough. Isolated showers.
Wednesday
Southeast winds decreasing to near 20 knots. Seas subsiding to 3 to 4 feet. Nearshore waters rough. Isolated showers.
Wednesday Night
South winds 20 to 25 knots. Seas 3 to 5 feet. nearshore waters very rough. Scattered showers.
Thursday
Southwest to west winds 15 to 20 knots becoming northwest. Seas 2 to 4 feet. Nearshore waters choppy. Numerous showers and isolated thunderstorms.
Thursday Night
North winds 15 to 20 knots. Seas 2 to 4 feet. Nearshore waters choppy. Numerous showers and isolated thunderstorms.
Friday
North to northeast winds near 20 knots. Seas 2 to 4 feet. Nearshore waters rough. Areas of rain.
Friday Night
North to northeast winds 15 to 20 knots. Seas 2 to 4 feet, except 4 to 5 feet west of cosgrove shoal light. Nearshore waters choppy. Areas of rain.
Saturday
Northeast winds 15 to 20 knots. Seas 2 to 4 feet. Nearshore waters choppy. Isolated showers.
Saturday Night
North to northeast winds near 15 knots. Seas 2 to 4 feet. Nearshore waters a moderate chop. Isolated showers.
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ABOUT THIS FORECAST

Last Update: 437 AM EST Tue Jan 22 2019
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