Severe Storms; Fire Danger; and Strong Pacific Storms

More strong storms on tap for the Pacific Northwest this weekend. Heavy rains could produce flooding and mudslides. Saturday, a cold front moving into the central U.S. will bring potential for severe thunderstorms containing damaging winds, large hail, and isolated tornadoes; and localized flooding potential. Dry winds in southwestern California will keep fire weather threats high.
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Last Update: 431 PM EDT Sat Oct 21 2017

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Key West, FL Local Forecast Office

6NM NNE Dry Tortugas Light FL

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT...
Synopsis: A ridge of high pressure located from New England to the Mid Atlantic States will strengthen tonight, moving little tonight through Sunday Night, before retreating slowly eastward Monday and Monday Night. A cold front will pass through the Florida Keys late Tuesday night and early Wednesday. Moderate to fresh breezes behind the front will steadily shift from north Wednesday to northeast to east Thursday Night.

The Approximate Shoreward Edge of the Gulf Stream current, as of October 21st,

19 NM South of Dry Tortugas Light...on Loggerhead Key. 6 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 1 NM South of Sand Key Light...off Key West. 4 NM South of Looe Key...off Big Pine Key. 6 NM South of Sombrero Key Light...off Marathon. 5 NM Southeast of Alligator Reef Light...off Islamorada. 5 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
East to southeast winds near 20 knots. Seas 4 to 6 feet. Scattered showers and isolated thunderstorms.
Sunday And Sunday Night
East to southeast winds 15 to 20 knots. Seas 3 to 5 feet. Scattered showers and isolated thunderstorms.
Monday
Southeast winds near 15 knots, decreasing to near 10 knots late. Seas 2 to 4 feet, subsiding to 1 to 2 feet. Scattered showers and isolated thunderstorms.
Monday Night
Southeast winds near 10 knots. Seas 1 to 2 feet. scattered showers and isolated thunderstorms.
Tuesday
Southeast to south winds 5 to 10 knots, becoming south to southwest near 10 knots late. Seas 1 to 3 feet. Scattered showers and isolated thunderstorms.
Tuesday Night
South to southwest winds 10 to 15 knots early, becoming northwest and increasing to 15 to 20 knots. Seas 2 to 4 feet building to 4 to 6 feet. Scattered showers and isolated thunderstorms.
Wednesday
North winds increasing to near 20 knots. Seas 4 to 7 feet. Scattered showers.
Wednesday Night
North winds near 20 knots. Seas 4 to 7 feet.
Thursday
Northeast winds near 15 knots. Seas 3 to 5 feet.
Thursday Night
Northeast to east winds near 15 knots. Seas 2 to 4 feet.


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Last Update: 431 PM EDT Sat Oct 21 2017
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