Expanded California Fire Weather Threats; Unsettled Across the West

A storm system will impact the western third of the U.S.. Strong, gusty winds will increase Fire Weather threats across much of western and central California. Rain and mountain snows can be expected across the Pacific Northwest and Northern Rockies, with wintry conditions in the Great Basin and High Plains. Accumulating snows will also continue across the Upper Midwest to the Northeast.
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Last Update: 429 PM EST Fri Dec 15 2017

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Key West, FL Local Forecast Office

33NM SSE Molasses Reef Light FL

Marine Zone Forecast


Synopsis: A weak cold front across northern Florida will move southward down the Florida peninsula tonight and Saturday. This cold front will stall over central Florida Saturday night and dissipate Sunday. An Atlantic ridge of high pressure will extend across the Southeastern United States Sunday night and Monday, then shift southward Monday night and Tuesday.

The Approximate Shoreward Edge of the Gulf Stream current, as of December 12th, 2017,

50 NM South of Dry Tortugas Light, on Loggerhead Key. 13 NM South of Cosgrove Shoal Light, off the Marquesas Keys. 21 NM South of Sand Key Light, off Key West. 31 NM South of Looe Key, off Big Pine Key. 36 NM South of Sombrero Key Light, off Marathon. 15 NM Southeast of Alligator Reef Light, off Islamorada. 10 NM Southeast of Molasses Reef Light, off Key Largo. 2 NM East of Carysfort Reef Light, off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

Tonight
Northeast winds near 10 knots. Seas around 2 feet.
Saturday
Northeast to east winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 2 to 3 feet, building to 4 to 6 feet. Isolated showers.
Saturday Night
Northeast to east winds near 20 knots. Seas 5 to 7 feet. Isolated showers.
Sunday
East winds near 20 knots. Seas 5 to 7 feet. Isolated showers.
Sunday Night
East winds near 20 knots. Seas 5 to 7 feet. Isolated showers.
Monday
East to southeast winds 15 to 20 knots. Seas 3 to 5 feet. Isolated showers.
Monday Night
East winds near 15 knots. Seas 3 to 5 feet. isolated showers.
Tuesday
East to southeast winds near 15 knots. Seas 3 to 5 feet. Isolated showers.
Tuesday Night
East winds near 10 knots. Seas around 2 feet. isolated showers.
Wednesday
Northeast winds near 10 knots. Seas around 2 feet. isolated showers.
Wednesday Night
Northeast to east winds near 10 knots. Seas around 2 feet. Isolated showers.
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Last Update: 429 PM EST Fri Dec 15 2017
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