National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the Pacific Northwest through late Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Hazardous Weather Conditions

Last Update: 1020 AM EST SUN DEC 21 2014

View Nearby Observations

Bayside and Gulf side from Craig Key to West End of Seven Mile Bridge

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 THIS AFTERNOON 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.
  • This Afternoon East to southeast winds near 10 knots. Seas 1 foot or less. Nearshore waters a light chop. Isolated showers.
  • Tonight And Monday East to southeast winds near 10 knots. Seas 1 foot or less. Nearshore waters a light to moderate chop. Isolated showers.
  • Monday Night Southeast winds 10 to 15 knots. Seas 1 foot or less. Nearshore waters a light to moderate chop. Isolated showers.
  • Tuesday Southeast winds 10 to 15 knots. Seas 1 foot or less. Nearshore waters a light to moderate chop. Isolated showers.
  • Tuesday Night Southeast to south winds around 15 knots. Seas around 1 foot. Nearshore waters a moderate chop. Isolated showers.
  • Wednesday Southwest winds near 15 knots. Seas 1 to 3 feet. Nearshore waters a moderate chop. Scattered showers and isolated thunderstorms.
  • Wednesday Night Southwest to west winds near 15 knots... Shifting to northwest and increasing to near 20 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop...becoming rough. Scattered showers in the evening.
  • Thursday North to northeast winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop.
  • Thursday Night Northeast winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop.



Additional Forecasts and Information

Zone Area Forecast for Bayside and Gulf side from Craig Key to West End of Seven Mile Bridge
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