Severe Storms And Heavy Rain Is Expected In The Central/Southern Plains; Locally Heavy Rain/Scattered Storms In East/South; Poor Air Quality Persists Out West

Late afternoon and evening severe thunderstorms with heavy rainfall is expected from the Front Range of the Central/Southern Rockies into the High Plains. Meanwhile in the East and South, a slow moving front will trigger scattered storms with locally heavy rain. Finally, smoke from numerous ongoing wildfires in the West are requiring alerts throughout the region and even into the Upper Midwest.
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Last Update: 429 PM EDT Sat Aug 18 2018

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Key West, FL Local Forecast Office

5NM E Vaca Cut FL

Marine Zone Forecast


Synopsis: A high pressure system centered near Bermuda will drift northeastward into the western North Atlantic tonight through Wednesday. High pressure will rebuild across the Florida Peninsula on Thursday.

The Approximate Shoreward Edge of the Gulf Stream as of August 16...

28 NM South of Dry Tortugas Light...on Loggerhead Key. 27 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 25 NM South of Sand Key Light...off Key West. 17 NM South of Looe Key...off Big Pine Key. 12 NM South of Sombrero Key Light...off Marathon. 5 NM Southeast of Alligator Reef Light...off Islamorada. Less than 1 NM Southeast of Molasses Reef Light...off Key Largo. Less than 1 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

Tonight
East winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Scattered showers and isolated thunderstorms.
Sunday
East to southeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Scattered showers and isolated thunderstorms.
Sunday Night
East to southeast winds 10 to 15 knots. Seas around 2 feet. Nearshore waters a light to moderate chop. Isolated showers and thunderstorms.
Monday
East to southeast winds 10 to 15 knots. Seas around 2 feet. Nearshore waters a light to moderate chop. Scattered showers and isolated thunderstorms.
Monday Night And Tuesday
East winds 10 to 15 knots. Seas around 2 feet. Nearshore waters a light to moderate chop. scattered showers and isolated thunderstorms.
Tuesday Night
East winds near 10 knots. Seas 1 to 2 feet. nearshore waters a light chop. Scattered showers and isolated thunderstorms.
Wednesday
East winds 5 to 10 knots. Seas around 1 foot. nearshore waters smooth to a light chop. Scattered showers and isolated thunderstorms.
Wednesday Night And Thursday
East to southeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Scattered showers and isolated thunderstorms.
Thursday Night
Southeast winds 10 to 15 knots. Seas around 2 feet. Nearshore waters a light to moderate chop. Scattered showers and isolated thunderstorms.
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ABOUT THIS FORECAST

Last Update: 429 PM EDT Sat Aug 18 2018
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