Storm Moving Through the Upper Midwest to the Northeast

Heavy rain and the potential for strong thunderstorms along and east of the Appalachians will precede a cold front, while snow showers will fall behind the front in the Ohio Valley, Upper Midwest and Great Lake States. Rain-on-snow flooding is possible in portions of New England and New York State. Rain and high elevation snow will return to the west.
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Last Update: 1014 AM EST SAT FEB 25 2017

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Key West, FL Local Forecast Office

3NM NNE Florida Bay FL

Marine Zone Forecast

SEAS ARE GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

Synopsis: A WEAK PRESSURE GRADIENT WILL ENVELOP THE KEYS AREA THROUGH SUNDAY CREATING PLEASANT BOATING CONDITIONS. A WEAK FRONTAL BOUNDARY WILL APPROACH THE ISLAND CHAIN SUNDAY NIGHT.

THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM CURRENT...AS OF FEBRUARY 25TH...

45 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY. 15 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS. 11 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST. 14 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY. 15 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON. 12 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA. 11 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO. 12 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.

GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.

This Afternoon
Variable winds near 5 knots...becoming west to northwest increasing to near 10 knots late. Bay waters smooth...becoming a light chop.
Tonight
Northwest to north winds near 10 knots. Bay waters a light chop.
Sunday And Sunday Night
Northeast to east winds 10 to 15 knots. Bay waters a light to moderate chop.
Monday
East to southeast winds near 15 knots. Bay waters a moderate chop. Isolated showers.
Monday Night
East winds 10 to 15 knots. Bay waters a light to moderate chop. Scattered showers.
Tuesday And Tuesday Night
East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. Isolated showers.
Wednesday
Southeast winds near 10 knots. Bay waters a light chop. Isolated showers.
Wednesday Night
Southeast to south winds near 10 knots. Bay waters a light chop. Isolated showers.
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ABOUT THIS FORECAST

Last Update: 1014 AM EST SAT FEB 25 2017
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