Flooding and Severe Weather Risk Continues This Weekend

More heavy rain will exacerbate flooding in the central and southern U.S. this weekend. In addition, over portions of the Mississippi, Ohio, and Tennessee Valleys, severe thunderstorms are expected. Some storms may produce large hail, damaging winds, and tornadoes. Meanwhile, snow and ice will again affect the Cascades, northern Rockies, upper Midwest, and New England through Sunday.
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Last Update: 1040 AM EST Sun Feb 25 2018

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Key West, FL Local Forecast Office

23NM N Smith Shoal Light FL

Marine Zone Forecast


Synopsis: High surface pressure situated from the Western Atlantic to Northern Florida will gradually slide southward this afternoon through Monday night before weakening and dissipating Tuesday. A weak pressure gradient across the Florida Keys will keep gentle to moderate breezes in place Monday through Thursday Night.

The Approximate Shoreward Edge of the Gulf Stream as of February twenty fourth, 2018...

46 NM South of Dry Tortugas Light...on Loggerhead Key. 8 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 5 NM South of Sand Key Light...off Key West. Less than 1 NM South of Looe Key...off Big Pine Key. Less than 1 NM South of Sombrero Key Light...off Marathon. 11 NM Southeast of Alligator Reef Light...off Islamorada. 10 NM Southeast of Molasses Reef Light...off Key Largo. 4 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

This Afternoon
Southeast winds 10 to 15 knots, decreasing to around 10 knots. Seas 1 to 3 feet. Isolated showers.
Tonight
East to southeast winds 10 to 15 knots. Seas 1 to 3 feet. Isolated showers.
Monday
East to southeast winds near 10 knots. Seas 1 to 2 feet. isolated showers.
Monday Night
East winds 5 to 10 knots. Seas 1 to 2 feet. Isolated showers.
Tuesday
Northeast winds 5 to 10 knots. Seas 1 to 2 feet. isolated showers.
Tuesday Night
East winds 5 to 10 knots. Seas 1 to 2 feet. isolated showers.
Wednesday
Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Isolated showers.
Wednesday Night
Southeast winds 10 to 15 knots. Seas 1 to 2 feet.
Thursday
South to southwest winds near 10 knots. Seas 1 to 2 feet.
Thursday Night
West to northwest winds near 10 knots. Seas 1 to 2 feet.
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ABOUT THIS FORECAST

Last Update: 1040 AM EST Sun Feb 25 2018
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