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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Last Update: 227 AM PST MON DEC 22 2014

View Nearby Observations

Coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm

Marine Zone Forecast





  • SynopsisAT 2 AM PST...A 1028 MB HIGH WAS 150 NM NW OF SAN FRANCISCO...AND A 1016 MB LOW WAS 80 NM W OF SAN DIEGO. WEAK OFFSHORE FLOW WILL CONTINUE THROUGH WEDNESDAY MORNING. WEAK ONSHORE FLOW WILL RETURN THURSDAY...BECOMING OFFSHORE AGAIN FRIDAY.
  • Today Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Swell W 2 to 5 ft at 13 seconds.
  • Tonight Wind variable less than 10 kt...becoming NE 10 kt after midnight. Wind waves 2 ft or less. Swell W 2 to 5 ft at 13 seconds.
  • Tue Wind NE 10 kt...becoming N in the afternoon. Gusts to 15 kt. Wind waves 2 ft or less. Swell W 2 to 5 ft at 13 seconds.
  • Tue Night Wind NW 10 kt...becoming E after midnight. Gusts to 15 kt. Wind waves 2 ft or less...becoming 3 ft after midnight. Swell W 2 to 5 ft at 18 seconds.
  • Wed Wind E 10 kt in the morning...becoming variable less than 10 kt. Wind waves 2 ft or less. Swell W 3 to 6 ft at 17 seconds.
  • Wed Night Wind NW 10 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. Swell W 2 to 5 ft.
  • Christmas Day Wind variable less than 10 kt...becoming SE 10 kt in the afternoon. Wind waves 2 ft or less. Swell W 2 to 5 ft.
  • Thu Night Wind SW 10 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. Swell W 2 to 4 ft.
  • Fri Wind NE 10 kt. Wind waves 2 ft or less. Swell W 2 to 4 ft.
  • Fri Night Wind NE 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. Swell W 1 to 3 ft.



Additional Forecasts and Information

Zone Area Forecast for Coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm
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