Winter storm conditions possible for parts of Central Plains on Saturday

Widespread precipitation, including heavy snow, will push farther east on Saturday east across the central and southern Rockies. Snow will extend from the Rockies into the central High Plains by late Saturday, spreading farther east on Sunday, with moderate to heavy snows and gusty winds expected across portions of South Dakota and Minnesota by the end of the weekend.
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Last Update: 452 AM EST Sat Jan 20 2018

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Key West, FL Local Forecast Office

12NM N Vaca Cut FL

Marine Zone Forecast


Synopsis: An area of high pressure over the Southeastern United States will slide into the Southwest Atlantic Ocean today. An Atlantic ridge of high pressure will extend across the Southeastern United States Saturday night through Sunday night, before shifting southward down the Florida peninsula Monday.

The Approximate Shoreward Edge of the Gulf Stream current, as of January 19th, 2018...

45 NM South of Dry Tortugas Light, on Loggerhead Key. 33 NM South of Cosgrove Shoal Light, off the Marquesas Keys. 30 NM South of Sand Key Light, off Key West. 28 NM South of Looe Key, off Big Pine Key. 22 NM South of Sombrero Key Light, off Marathon. 13 NM Southeast of Alligator Reef Light, off Islamorada. 7 NM Southeast of Molasses Reef Light, off Key Largo. 7 NM East of Carysfort Reef Light, off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

Today
Northeast to east winds near 15 knots. Seas 1 to 2 feet. Nearshore waters a moderate chop. Isolated showers.
Tonight
Northeast to east winds near 15 knots. Seas 1 to 2 feet. Nearshore waters a moderate chop. Isolated showers.
Sunday
East winds 15 to 20 knots. Seas 1 to 3 feet. Nearshore waters choppy. Scattered showers.
Sunday Night And Monday
East winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Isolated showers.
Monday Night
East to southeast winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Isolated showers.
Tuesday
Northeast to east winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. Scattered showers.
Tuesday Night
Northeast winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Isolated showers.
Wednesday
Northeast winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Isolated showers.
Wednesday Night
Northeast winds 15 to 20 knots. Seas 1 to 3 feet. Nearshore waters choppy. Isolated showers.
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Last Update: 452 AM EST Sat Jan 20 2018
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