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: 1013 PM EST Fri Jan 19 2018

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Key West, FL Local Forecast Office

4NM ESE Alligator Reef Light FL

Marine Zone Forecast


...SMALL CRAFT SHOULD EXERCISE CAUTION...
Synopsis: An area of high pressure will progress eastward across the Southeastern United States tonight. This area of high pressure will enter the Southwest Atlantic Ocean Saturday. 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.

Overnight
East winds 15 to 20 knots. Seas 4 to 6 feet.
Saturday
Northeast to east winds near 15 knots. Seas 3 to 5 feet. Isolated showers.
Saturday Night Through Sunday Night
East winds 15 to 20 knots. Seas 4 to 6 feet. Scattered showers.
Monday
East winds near 15 knots. Seas 3 to 5 feet. Isolated showers.
Monday Night
East winds 10 to 15 knots. Seas 2 to 4 feet. Isolated showers.
Tuesday
Northeast to east winds 10 to 15 knots. Seas 2 to 4 feet. Isolated showers.
Tuesday Night Through Wednesday Night
Northeast to east winds 15 to 20 knots. Seas 4 to 6 feet. Isolated showers.
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Last Update: 1013 PM EST Fri Jan 19 2018
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