National Weather Service United States Department of Commerce

Coastal low to bring gusty winds and periods of heavy rain to New England while moderate to heavy rain is expected to linger in the Pacific Northwest and northern California

A coastal low will slowly intensify before moving out of the New England area. Increasingly heavy rainfall will impact the region through Friday. In addition, winds will increase and seas will become rough as the storm gradually intensifies just off the coast. Out west, a cold front approaching the Pacific Northwest will bring moderate to heavy rain to Washington, Oregon and northern California.
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Last Update: 146 PM PDT TUE OCT 21 2014

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

Marine Zone Forecast





  • SynopsisAT 130 PM... A 1021 MB HIGH WAS OVER THE NORTHERN CALIFORNIA AND A 1007 MB LOW WAS OVER DEATH VALLEY. MODERATE ONSHORE FLOW WILL CONTINUE TODAY...THEN DECREASE ON WEDNESDAY. A LONG-PERIOD NORTHWEST SWELL AND WIND WAVES WILL PRODUCE SEA CONDITIONS NEARLY HAZARDOUS THROUGH EARLY WEDNESDAY. ONSHORE FLOW WILL INCREASE AGAIN FOR THE WEEKEND AS ANOTHER TROUGH MOVES THROUGH THE AREA.
  • Tonight Wind NW 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 4 to 7 ft at 14 seconds and S 1 ft at 20 seconds.
  • Wed Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 3 to 6 ft at 13 seconds and SW 1 ft at 18 seconds.
  • Wed Night Wind NW 10 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 4 ft at 12 seconds and SW 1 to 2 ft at 17 seconds.
  • Thu Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 4 ft at 13 seconds and SW 1 ft at 17 seconds.
  • Thu Night Wind NW 10 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 4 ft at 12 seconds and SW 1 to 2 ft at 16 seconds.
  • Fri Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft and SW 1 to 2 ft.
  • Fri Night Wind W 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft and SW 1 to 2 ft.
  • Sat Wind N 10 kt...becoming NW with gusts to 15 kt in the afternoon. Wind waves 2 ft or less... Becoming 3 ft in the afternoon. Mixed swell W 2 to 4 ft and SW 2 ft.
  • Sat Night Wind W 10 kt...becoming NW after midnight. Gusts to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 to 5 ft and SW 1 to 2 ft.
  • Sun Wind variable less than 10 kt...becoming NW 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 3 to 5 ft and SW 2 ft.
  • Sun Night Wind W 10 to 15 kt in the evening... Becoming variable less than 10 kt. Wind waves 3 ft in the evening... Becoming 2 ft or less. Mixed swell W 2 to 5 ft and S 2 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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