National Weather Service United States Department of Commerce

Cold Front Crossing the Central U.S.

A cold front over the Northern Rockies will move eastward to the Upper Mississippi Valley/Central Plains by Monday. Rain will develop along the boundary over the Upper Midwest and move into the Upper Great Lakes by Monday. Some of the thunderstorms could become severe in portions of Texas through Monday.
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Last Update: 824 AM PDT SUN APR 20 2014

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San Pablo Bay-Suisun Bay-the West Delta and the San Francisco Bay North of the Bay Bridge

Marine Zone Forecast





  • SynopsisHIGH PRESSURE WILL WEAKEN OVER NORTHERNMOST CALIFORNIA TODAY AND TONIGHT. LARGE NORTHWEST SWELL WILL MAKE ITS WAY TO THE COAST TODAY THROUGH EARLY MONDAY MORNING. WINDS WILL INCREASE OVER THE COASTAL WATERS TUESDAY AS AN UPPER LEVEL TROUGH APPROACHES THE AREA.
  • Today S winds 5 kt...becoming SW 5 to 15 kt in the afternoon.
  • Tonight SW winds 10 kt.
  • Mon SW winds 5 to 15 kt.
  • Mon Night W winds 5 to 15 kt. Slight chance of showers in the evening...then chance of showers after midnight.
  • Tue W winds 10 to 20 kt. Slight chance of showers in the morning.
  • Wed W winds 5 to 15 kt.
  • Thu W winds 10 kt.



Additional Forecasts and Information

Zone Area Forecast for San Pablo Bay-Suisun Bay-the West Delta and the San Francisco Bay North of the Bay Bridge