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

View Nearby Observations

Waters from Point Reyes to Pigeon Point from 10 to 60 nm

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 NW winds 10 to 20 kt. Wind waves 2 to 4 ft. NW swell 12 to 15 ft at 16 seconds and S 3 ft at 16 seconds.
  • Tonight NW winds 10 to 20 kt. Wind waves 2 to 4 ft. NW swell 9 to 12 ft at 14 seconds and S 3 ft at 15 seconds. Patchy fog after midnight.
  • Mon NW winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 9 to 11 ft at 14 seconds and S 3 ft at 15 seconds. Patchy fog in the morning.
  • Mon Night W winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 7 to 9 ft at 14 seconds and S 3 ft at 15 seconds. Slight chance of showers in the evening...then chance of showers after midnight.
  • Tue NW winds 15 to 25 kt. Wind waves 3 to 6 ft. NW swell 7 to 9 ft at 14 seconds. Slight chance of showers in the morning.
  • Wed NW winds 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 7 to 9 ft.
  • Thu NW winds 10 to 20 kt. Wind waves 2 to 4 ft. NW swell 6 to 8 ft.



Additional Forecasts and Information

Zone Area Forecast for Waters from Point Reyes to Pigeon Point from 10 to 60 nm