Heavy rain for portions of the Mid-Atlantic and New England through Saturday

A slow-moving weather system in the eastern U.S. will focus showers and thunderstorms across portions of New England and the Mid-Atlantic through Saturday. Abundant moisture will allow occasionally heavy rainfall and flash flooding in these locations.
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Hazardous Weather Conditions

Last Update: 446 PM EDT THU JUL 28 2016

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Key West, FL Local Forecast Office

12NM N Vaca Cut 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: AN ATLANTIC RIDGE OF HIGH PRESSURE WILL EXTEND ACROSS THE FLORIDA PENINSULA TONIGHT THROUGH AT LEAST MONDAY.

THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM CURRENT...AS OF JULY TWENTY EIGHTH...

43 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY. 8 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS. 6 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST. 6 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. 2 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
East to southeast winds 10 to 15 knots. Seas around 2 feet. Nearshore waters a light to moderate chop. Scattered showers and thunderstorms developing.
Friday
Southeast winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. Scattered showers and thunderstorms in the morning...then isolated showers and thunderstorms in the afternoon.
Friday Night And Saturday
East winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. Isolated showers and thunderstorms.
Saturday Night
Northeast to east winds 10 to 15 knots. Seas around 2 feet. Nearshore waters a light to moderate chop. Scattered showers and isolated thunderstorms.
Sunday
East to southeast winds 10 to 15 knots. Seas around 2 feet. Nearshore waters a light to moderate chop. Scattered showers and isolated thunderstorms.
Sunday Night Through Tuesday
East winds 10 to 15 knots. Seas around 2 feet. Nearshore waters a light to moderate chop. Scattered showers and isolated thunderstorms.
Tuesday Night
Southeast winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. Scattered showers and isolated thunderstorms.
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ABOUT THIS FORECAST

Last Update: 446 PM EDT THU JUL 28 2016
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