Heavy Rainfall Possible Over Portions of the Gulf Coast and Southeast

Unsettled weather will continue across the Southeast and Gulf Coast with periodic showers and thunderstorms through at least Wednesday. Rainfall amounts may exceed three inches in some locales. Elsewhere, a few severe thunderstorms are possible for the Ohio Valley and central Plains through Tuesday.
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Last Update: 434 PM EDT Tue May 22 2018

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Key West, FL Local Forecast Office

6NM NW Cosgrove Shoal Light FL

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT...
Synopsis: An Atlantic ridge of high pressure will extend across North Florida tonight through Thursday, before retreating eastward Thursday night. A broad area of low pressure over the northwestern Caribbean Sea will move slowly northward into and through the central or eastern Gulf of Mexico Friday through Sunday.

The Approximate Shoreward Edge of the Gulf Stream current, as of May 22.

26 NM South of Dry Tortugas Light, on Loggerhead Key. 16 NM South of Cosgrove Shoal Light, off the Marquesas Keys. 11 NM South of Sand Key Light, off Key West. 7 NM South of Looe Key, off Big Pine Key. 2 NM South of Sombrero Key Light, off Marathon. 2 NM Southeast of Alligator Reef Light, off Islamorada. 1 NM Southeast of Molasses Reef Light, off Key Largo. 2 NM East of Carysfort Reef Light, off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

Tonight
East to southeast winds near 20 knots, decreasing to near 15 knots after midnight. Seas 3 to 5 feet, subsiding to 2 to 3 feet. Nearshore waters rough, becoming a moderate chop. numerous showers and isolated thunderstorms.
Wednesday And Wednesday Night
Southeast winds 10 to 15 knots. seas around 2 feet. Nearshore waters a light to moderate chop. scattered showers and isolated thunderstorms.
Thursday
Southeast winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. Scattered showers and isolated thunderstorms.
Thursday Night
Southeast winds 15 to 20 knots. Seas 2 to 4 feet. Nearshore waters choppy. Scattered showers and isolated thunderstorms.
Friday
Southeast winds 15 to 20 knots. Seas 2 to 4 feet. Nearshore waters choppy. Numerous showers and isolated thunderstorms.
Friday Night And Saturday
Southeast to south winds 15 to 20 knots. Seas 2 to 4 feet. Nearshore waters choppy. Numerous showers and isolated thunderstorms.
Saturday Night
South winds 15 to 20 knots. Seas 2 to 4 feet. Nearshore waters choppy. Numerous showers and isolated thunderstorms.
Sunday
South to southwest winds 15 to 20 knots. Seas 2 to 4 feet. Nearshore waters choppy. Numerous showers and isolated thunderstorms.
Sunday Night
South to southwest winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. Scattered showers and isolated thunderstorms.
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ABOUT THIS FORECAST

Last Update: 434 PM EDT Tue May 22 2018
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