Winter Storm To Impact Parts Of The Midwest To Northern New England

A winter storm will slowly develop over the Ohio Valley through Wednesday before rapidly strengthening while shifting into southeastern Canada Thursday. A band of snow will develop over the Midwest today into Wednesday, with snow shifting to the interior Northeast on Wednesday night and Thursday. Heavy lake effect snow is expected in the eastern Great Lakes snow belts on Thursday and Friday.

Last Update: 1011 AM EST Tue Feb 25 2020

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Key West, FL Local Forecast Office

23NM N Smith Shoal Light FL

Marine Zone Forecast

Synopsis: Moderate southeast to south breezes today will shift southwest to west on Wednesday. A cold front will blast through Keys waters Wednesday evening and night, bringing fresh to strong northwest to northerly breezes. Winds will remain north and likely fresh through at least Saturday. High pressure along the northern Gulf coast will shift eastward over the Florida Peninsula by Sunday, causing breezes to slacken and shift towards the east.

The Approximate Shoreward Edge of the Gulf Stream as of February 25, 2020...

26 NM South of Dry Tortugas Light...on Loggerhead Key. 21 NM South of Cosgrove Shoal the Marquesas Keys. 8 NM South of Sand Key Key West. 7 NM South of Looe Big Pine Key. 12 NM South of Sombrero Key Marathon. 7 NM Southeast of Alligator Reef Islamorada. 6 NM Southeast of Molasses Reef Key Largo. 6 NM East of Carysfort Reef Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

This Afternoon
Southeast to south winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 4 feet, subsiding to 2 to 3 feet.
Southeast to south winds near 10 knots. Seas 1 to 2 feet. Scattered showers.
South to southwest winds 10 to 15 knots. Seas 1 to 3 feet. Isolated showers in the morning, then scattered showers in the afternoon.
Wednesday Night
West winds 10 to 15 knots, becoming northwest to north and increasing to near 20 knots. Seas 2 to 5 feet, building to 5 to 9 feet after midnight. Scattered showers and isolated thunderstorms.
Northwest to north winds near 20 knots. Seas 6 to 10 feet.
Thursday Night
Northwest to north winds 15 to 20 knots. Seas 5 to 8 feet.
Northwest to north winds near 15 knots. Seas 4 to 6 feet.
Friday Night Through Saturday Night
Northwest to north winds 15 to 20 knots. Seas 4 to 6 feet.
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Last Update: 1011 AM EST Tue Feb 25 2020
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