National Weather Service United States Department of Commerce

Rainfall and mountain snow will continue across the western U.S. into Monday

Heavy precipitation along the west coast will persist with a focus along the Coastal Ranges and Cascades. While not nearly as impressive as recent days, the forecast suggests another 1 to 3 inches of rainfall is possible across this region. Farther inland, moderate to heavy snow is likely over the Wasatch and Colorado Rockies with 1 to 2 foot amounts possible through Monday.
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Hazardous Weather Conditions

Last Update: 1153 PM EST SUN DEC 21 2014

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Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound

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.


  • SynopsisA WEAK HIGH PRESSURE SYSTEM JUST EAST OF THE FLORIDA PENINSULA WILL REMAIN IN PLACE THROUGH MONDAY NIGHT. A COLD FRONT WILL MOVE QUICKLY EASTWARD ACROSS THE GULF OF MEXICO TUESDAY AND TUESDAY NIGHT...BEFORE PASSING THROUGH THE FLORIDA KEYS LATE WEDNESDAY. AN AREA OF HIGH PRESSURE WILL MOVE EASTWARD THROUGH THE NORTHERN GULF OF MEXICO THURSDAY AND THURSDAY NIGHT.

    THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF DECEMBER 19...

    24 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY. 12 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS. 8 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST. 1 NM SOUTH OF LOOE KEY LIGHT...OFF BIG PINE KEY. 2 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON. 7 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA. 1 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO. 5 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.

    GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
  • Overnight Southeast winds 10 to 15 knots. Bay waters a light to moderate chop. Isolated showers.
  • Monday Through Tuesday Southeast winds 10 to 15 knots. Bay waters a light to moderate chop. Isolated showers.
  • Tuesday Night Southeast winds near 15 knots. Bay waters a moderate chop. Isolated showers.
  • Wednesday South winds near 15 knots. Bay waters a moderate chop. Scattered showers and isolated thunderstorms.
  • Wednesday Night Southwest winds near 15 knots...shifting to northwest and increasing to 15 to 20 knots. Bay waters a moderate chop...becoming choppy. Scattered showers and isolated thunderstorms.
  • Thursday Northwest to north winds 15 to 20 knots...decreasing to near 15 knots late. Bay waters choppy...becoming a moderate chop. Isolated showers.
  • Thursday Night Through Friday Night North to northeast winds near 15 knots. Bay waters a moderate chop. Isolated showers.



Additional Forecasts and Information

Zone Area Forecast for Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound
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