Cold Front Slowly Moves East On Sunday

A slow moving cold front is cutting through the Central U.S today. Behind the cold front, unseasonably cold weather and high elevation snow is occurring. Ahead of the front, temperatures are more typical of mid-summer running 15 to 20 degrees above normal with some daily records expected. The front separating these extremes will be the focal point for locally heavy rain.
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Hazardous Weather Conditions

Last Update: 1016 AM EDT Sun Sep 24 2017

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Key West, FL Local Forecast Office

12NM N Vaca Cut FL

Marine Zone Forecast


Synopsis: Weak high pressure will persist for the balance of this weekend and into next week.

The Approximate Shoreward Edge of the Gulf Stream as of September 23, 2017,

9 NM South of Dry Tortugas Light...on Loggerhead Key. 2 NM South of Cosgrove Shoal Light...off the Marquesas Keys. Less than 1 NM South of Sand Key Light...off Key West. 2 NM South of Looe Key...off Big Pine Key. 2 NM South of Sombrero Key Light...off Marathon. 3 NM Southeast of Alligator Reef Light...off Islamorada. 2 NM Southeast of Molasses Reef Light...off Key Largo. 3 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

This Afternoon
Northeast to east winds 5 to knots, becoming variable. Seas 1 foot or less. Nearshore waters smooth to a light chop. Isolated showers and thunderstorms.
Tonight Through Tuesday
Variable winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Scattered showers and isolated thunderstorms.
Tuesday Night Through Thursday Night
Variable winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Scattered showers and isolated thunderstorms.
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ABOUT THIS FORECAST

Last Update: 1016 AM EDT Sun Sep 24 2017
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