Hazardous Summer Heat Continues For Several Spots

More summer heat is expected for parts of the western and southern U.S. this week. Excessive Heat Warnings are in effect for parts of the West, while Heat Advisories blanket the South. Record high temperatures are possible in the South this weekend well into next week, so this period of hazardous heat will be a prolonged one.
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Hazardous Weather Conditions

Last Update: 1012 PM EDT Tue Jul 17 2018

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Key West, FL Local Forecast Office

33NM S Sand Key Light FL

Marine Zone Forecast


Synopsis: A weak pressure pattern over the Florida Keys coastal waters will persist for most of this week, resulting in light breezes over the area.

The Approximate Shoreward Edge of the Gulf Stream as of July 17, 2018...

48 NM South of Dry Tortugas Light...on Loggerhead Key. 33 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 23 NM South of Sand Key Light...off Key West. 16 NM South of Looe Key...off Big Pine Key. 13 NM South of Sombrero Key Light...off Marathon. 10 NM Southeast of Alligator Reef Light...off Islamorada. 9 NM Southeast of Molasses Reef Light...off Key Largo. 5 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

Tonight
Variable winds near 5 knots, becoming southeast to south at 5 to 10 knots. Seas 1 to 2 feet. Isolated showers and thunderstorms.
Wednesday
Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Isolated showers and thunderstorms.
Wednesday Night And Thursday
Variable winds near 5 knots. Seas 1 to 2 feet. Isolated showers and thunderstorms.
Thursday Night
East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Isolated showers and thunderstorms.
Friday
East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Isolated showers and thunderstorms.
Friday Night Through Saturday Night
East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Isolated showers and thunderstorms.
Sunday
Variable winds near 5 knots. Seas around 1 foot. isolated showers and thunderstorms.
Sunday Night
East winds 5 to 10 knots. Seas 1 to 2 feet. scattered showers and thunderstorms.
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ABOUT THIS FORECAST

Last Update: 1012 PM EDT Tue Jul 17 2018
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