Cool and Dry in the East; Turning Stormy in the Northwest

Much cooler temperatures behind a cold front will bring a feeling of fall to the East Coast today. In addition, an active fall storm pattern developing in the Pacific Northwest this week will bring areas of heavy rain and high elevation snow. Northern California will benefit from rainfall this week that will aid firefighters given the recent large wildfires.
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Last Update: 420 PM EDT Tue Oct 17 2017

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Key West, FL Local Forecast Office

18NM N Smith Shoal Light FL

Marine Zone Forecast


Synopsis: A stationary front will remain draped across South Florida tonight and Wednesday, before dissipating Wednesday night. A large area of high pressure will be centered over the Tennessee Valley Thursday and Thursday night. This area of high pressure will move to the northeast Friday into the upcoming weekend.

The Approximate Shoreward Edge of the Gulf Stream current as of October 17th, 2017,

17 NM South of Dry Tortugas Light...on Loggerhead Key. 2 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 5 NM South of Sand Key Light...off Key West. Less than 1 NM South of Looe Key...off Big Pine Key. 1 NM South of Sombrero Key Light...off Marathon. 2 NM Southeast of Alligator Reef Light...off Islamorada. 2 NM Southeast of Molasses Reef Light...off Key Largo. 1 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

Tonight
Northeast to east winds near 15 knots. Seas 2 to 4 feet. Scattered showers and isolated thunderstorms.
Wednesday Through Thursday
Northeast to east winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers and isolated thunderstorms.
Thursday Night And Friday
Northeast to east winds near 15 knots. Seas 2 to 4 feet. Scattered showers and isolated thunderstorms.
Friday Night
Northeast to east winds 15 to 20 knots. Seas 3 to 5 feet. Scattered showers and isolated thunderstorms.
Saturday
Northeast to east winds near 15 knots. Seas 2 to 4 feet. Scattered showers and isolated thunderstorms.
Saturday Night Through Sunday Night
East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers and isolated thunderstorms.
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ABOUT THIS FORECAST

Last Update: 420 PM EDT Tue Oct 17 2017
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