Heavy Rain and Flooding in the Southern Plains to the Great Lakes

Several days of heavy rainfall will lead to flash flooding and river flooding from the Southern Plains to the Southern Great Lakes. A band of freezing rain is forecast across portions of the Southern Plains into the Middle Mississippi Valley.
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Last Update: 445 AM EST Wed Feb 21 2018

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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: An Atlantic high pressure ridge will extend across the Southeastern United States today through Friday. This ridge of high pressure will shift southward Friday night through Sunday night.

The Approximate Shoreward Edge of the Gulf Stream current, as of February 17th, 2018...

31 NM South of Dry Tortugas Light, on Loggerhead Key. 10 NM South of Cosgrove Shoal Light, off the Marquesas Keys. 3 NM South of Sand Key Light, off Key West. 7 NM South of Looe Key, off Big Pine Key. 9 NM South of Sombrero Key Light, off Marathon. 13 NM Southeast of Alligator Reef Light, off Islamorada. 12 NM Southeast of Molasses Reef Light, off Key Largo. 6 NM East of Carysfort Reef Light, off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

Today
East winds 20 to 25 knots with gusts to 30 knots, decreasing to near 20 knots this afternoon. Seas 6 to 9 feet. isolated showers in the afternoon.
Tonight
East winds near 20 knots. Seas 5 to 8 feet. Isolated showers.
Thursday And Thursday Night
East winds near 20 knots. Seas 5 to 8 feet. Scattered showers.
Friday
East winds 15 to 20 knots. Seas 4 to 6 feet. Isolated showers.
Friday Night
East winds 15 to 20 knots. Seas 4 to 6 feet. Isolated showers.
Saturday And Saturday Night
East to southeast winds 15 to 20 knots. Seas 4 to 6 feet. Isolated showers.
Sunday And Sunday Night
East to southeast winds near 15 knots. Seas 3 to 5 feet. Isolated showers.
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ABOUT THIS FORECAST

Last Update: 445 AM EST Wed Feb 21 2018
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