National Weather Service United States Department of Commerce

Arctic air to drop temperatures across the northern Plain and northern Rockies; will bring snow to the Intermountain West

An arctic front is forecast to plunge through the northern Plains and northern Rockies on Saturday bringing a drastic drop in temperatures across these areas with a burst of snow over much of the Intermountain Region. Arctic air will also filter into the Pacific Northwest bringing with it snow showers and subfreezing low temperatures.
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Last Update: 1259 AM EST SAT NOV 29 2014

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Coastal waters from Parramore Island to Cape Charles Light VA out 20 nm

Marine Zone Forecast





  • SynopsisHIGH PRESSURE OVER THE AREA WILL SLIDE OFFSHORE SATURDAY. THE HIGH WILL REMAIN OFFSHORE DURING THE WEEKEND. A COLD FRONT CROSSES THE REGION LATE MONDAY INTO MONDAY NIGHT. HIGH PRESSURE THEN BUILDS OVER NEW ENGLAND TUESDAY.
  • Rest Of Tonight NW winds 5 to 10 kt. Seas 2 to 3 ft...mainly E swell with a dominant period of 9 seconds.
  • Sat SW winds 5 to 10 kt...becoming S 10 to 15 kt in the afternoon. Seas 2 ft with a dominant period of 10 seconds.
  • Sat Night SW winds 15 to 20 kt. Seas 3 to 4 ft.
  • Sun SW winds 15 to 20 kt. Seas 3 to 4 ft.
  • Sun Night SW winds 15 to 20 kt. Seas 3 to 4 ft.
  • Mon SW winds 15 to 20 kt...becoming W 10 to 15 kt in the afternoon. Seas 2 to 3 ft.
  • Mon Night N winds 15 to 20 kt. Seas 2 to 3 ft...building to 4 to 5 ft after midnight. A chance of rain.
  • Tue NE winds 20 to 25 kt...diminishing to 15 to 20 kt in the afternoon. Seas 4 to 5 ft. A chance of rain.
  • Tue Night E winds 10 to 15 kt...diminishing to 5 to 10 kt after midnight. Seas 4 to 5 ft...subsiding to 2 to 3 ft after midnight.
  • Wed SW winds 5 to 10 kt. Seas 2 to 3 ft.



Additional Forecasts and Information

Zone Area Forecast for Coastal waters from Parramore Island to Cape Charles Light VA out 20 nm
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