Snow and Ice Continue in the Northeast; Rain and Mountain Snow in the West

Significant winter impacts shift into the Northeast on Sunday. Heavy snow up to 2 feet will be possible across interior Northeastern areas. Southern New England may see ice accumulations up to a quarter of an inch. Strong gusty winds and bitter cold will follow the cold front passage. In the west, heavy mountain snow will impact the California, Inter-Mountain West, and Rocky mountains.
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Hazardous Weather Conditions

Last Update: 1041 PM EST Sat Jan 19 2019

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Key West, FL Local Forecast Office

3NM N American Shoal Light FL

Marine Zone Forecast


...SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS...
...SMALL CRAFT ADVISORY EXPECTED SUNDAY...
Synopsis: A strong cold front will pass the Keys coastal waters on Sunday morning, exiting the upper Straits of Florida early in the afternoon. The front will be preceded by freshening south- southwest breezes tonight, then followed by a shift to strong northwest winds that will peak in strength on Sunday afternoon. Northerly winds will ease Sunday night and Monday morning, with a relative lull in wind early Monday afternoon. Then strong high pressure will emerge off the North Carolina coast on Tuesday, causing easterly winds to freshen and become strong for Tuesday and Wednesday. The next cold front may cross the waters late next Thursday.

The Approximate Shoreward Edge of the Gulf Stream is currently unavailable.

Overnight
Southeast winds near 15 knots early, becoming southwest 15 to 20 knots late. Seas 1 to 3 feet. Nearshore waters a moderate chop, becoming choppy. Isolated showers early, then scattered showers and isolated thunderstorms.
Sunday
Southwest to west winds 15 to 20 knots, becoming northwest near 25 knots in the late morning. Seas 2 to 4 feet, building to 3 to 6 feet in the afternoon. West of cosgrove shoal light, seas 4 to 5 feet, building to 6 to 9 feet in the afternoon. Nearshore waters choppy, becoming extremely rough. numerous showers and isolated thunderstorms in the morning, then isolated showers in the afternoon.
Sunday Night
North winds 20 to 25 knots. Seas 3 to 6 feet. West of cosgrove shoal light, seas 6 to 9 feet, subsiding to 5 to 7 feet after midnight. Nearshore waters very rough.
Monday
Northeast winds 15 to 20 knots. Seas 3 to 6 feet. Nearshore waters choppy.
Monday Night
Northeast to east winds increasing to 15 to 20 knots. Seas 2 to 5 feet. Nearshore waters becoming choppy.
Tuesday
East winds 20 to 25 knots. Seas 3 to 6 feet. Nearshore waters very rough. Isolated showers.
Tuesday Night
East to southeast winds 20 to 25 knots. Seas 4 to 7 feet. Nearshore waters very rough. Isolated showers.
Wednesday
Southeast winds near 20 knots. Seas 3 to 6 feet. Nearshore waters rough. Isolated showers.
Wednesday Night
Southeast to south winds 15 to 20 knots. Seas 3 to 6 feet. Nearshore waters choppy. Isolated showers.
Thursday
South to southwest winds near 15 knots. Seas 2 to 4 feet. Nearshore waters a moderate chop. Scattered showers and isolated thunderstorms.
Thursday Night
Northwest winds 10 to 15 knots. Seas 2 to 5 feet. Nearshore waters a light to moderate chop. Numerous showers and isolated thunderstorms.
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ABOUT THIS FORECAST

Last Update: 1041 PM EST Sat Jan 19 2019
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