National Weather Service United States Department of Commerce

Unseasonably cold temperatures spreading into central U.S.

A strong cold front will usher a much colder air mass into the central and eastern U.S. for the end of the work week. Temperatures will be 10 to 20 degrees below average in some areas. Rain and snow will be possible across the Great Lakes on Friday as the system crosses the area. Heavy snow is possible in the central Appalachians Friday night.
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Last Update: 855 PM PDT THU OCT 30 2014

View Nearby Observations

Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH
LATE SATURDAY NIGHT...


  • SynopsisA COLD FRONT WILL CROSS THE WATERS TONIGHT BRINGING GUSTY SOUTHERLY WINDS WITH A TRAILING TROUGH BRINGING MORE GUSTY WINDS ON FRIDAY. WINDS WILL SHIFT TO THE WEST THEN NORTHWEST BY FRIDAY NIGHT AS SURFACE HIGH PRESSURE BUILDS FROM THE WEST. SEAS WILL BEGIN TO BUILD THROUGH THE DAY ON FRIDAY AS A POST FRONTAL SWELL ENTERS THE WATERS. SEAS WILL DIMINISH SUNDAY THEN INCREASE EARLY IN THE WEEK AS ANOTHER SWELL MOVES THROUGH THE WATERS.
  • Tonight W winds 5 to 15 kt. Waves W 4 ft at 12 seconds. Rain.
  • Fri NW winds 5 to 10 kt. Waves W 5 ft at 9 seconds...and W 7 ft at 15 seconds. Slight chance of tstms.
  • Fri Night N winds 5 to 15 kt. Waves NW 10 ft at 14 seconds. Slight chance of tstms.
  • Sat NW winds 10 to 15 kt. Waves NW 11 ft at 14 seconds.
  • Sat Night N winds 10 to 20 kt. Waves NW 10 ft at 12 seconds.
  • Sun N winds 5 to 15 kt. Waves NW 7 ft at 12 seconds.
  • Mon NW winds 5 to 10 kt. Waves NW 8 ft at 13 seconds.
  • Tue NW winds 5 to 10 kt. Waves NW 9 ft at 13 seconds.



Additional Forecasts and Information

Zone Area Forecast for Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm
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