National Weather Service United States Department of Commerce

Unsettled weather in store for eastern U.S. into weekend

A complex weather system moving across the eastern U.S. will bring a variety of hazardous weather to the region into the weekend. Much colder weather is expected by Saturday, along with numerous showers and accumulating snow in the higher elevations of the Appalachians. Rain and snow will move into northern New England on Sunday.
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Last Update: 145 PM PDT FRI OCT 31 2014

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Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island

Marine Zone Forecast




...SMALL CRAFT ADVISORY FOR WINDS IN EFFECT FROM LATE TONIGHT THROUGH LATE SATURDAY NIGHT...

  • SynopsisAT 2 PM... A 1011 MB HIGH WAS NEAR POINT CONCEPTION WITH A 1004 MB LOW OVER WESTERN NEVADA. WEAK ONSHORE FLOW WILL CONTINUE THIS AFTERNOON. A COLD FRONT WILL BRING STRONG WEST- NORTHWEST WINDS...SHOWERS...AND A STEEP NORTHWEST SWELL SATURDAY...WHICH WILL PRODUCE CONDITIONS HAZARDOUS TO SMALL CRAFT THROUGH EARLY SUNDAY MORNING. A SMALL CRAFT ADVISORY FOR WINDS IS IN EFFECT FOR THAT PERIOD. WINDS WILL WEAKEN FOR SUNDAY AFTERNOON THROUGH TUESDAY.
  • Tonight Wind SW 10 to 15 kt with gusts to 20 kt. Wind waves 4 ft. Swell W 2 to 4 ft at 9 seconds. Chance of showers in the evening...then rain after midnight.
  • Sat Wind W 20 to 25 kt...becoming 15 kt in the afternoon. Wind waves 6 ft. Swell W 3 to 6 ft at 11 seconds. Rain likely in the morning...then scattered showers in the afternoon.
  • Sat Night Wind W 15 to 20 kt with gusts to 25 kt. Wind waves 4 ft. Swell W 5 to 8 ft at 13 seconds. Scattered showers.
  • Sun Wind NW 10 to 15 kt with gusts to 20 kt. Wind waves 4 ft. Swell W 4 to 7 ft at 12 seconds. Isolated showers in the morning.
  • Sun Night Wind NW 10 to 15 kt with gusts to 20 kt. Wind waves 4 ft. Swell W 4 to 6 ft at 10 seconds.
  • Mon Wind variable less than 10 kt. Wind waves 2 ft or less. Swell W 3 to 5 ft.
  • Mon Night Wind NW 10 kt. Wind waves 2 ft or less. Swell W 2 to 4 ft.
  • Tue Wind variable less than 10 kt. Wind waves 2 ft or less. Swell W 2 to 3 ft.
  • Tue Night Wind NW 10 kt. Gusts to 15 kt after midnight. Wind waves 2 ft or less. Mixed swell W 1 to 3 ft and S 3 ft.
  • Wed Wind NE 10 kt in the morning...becoming variable less than 10 kt. Wind waves 2 ft or less. Swell W 1 to 3 ft.
  • Wed Night Wind variable less than 10 kt. Wind waves 2 ft or less. Swell W 2 to 3 ft.



Additional Forecasts and Information

Zone Area Forecast for Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island
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