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: 946 PM PDT SAT APR 19 2014

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Coastal Waters from Point Reyes to Pigeon Point out to 10 nm

Marine Zone Forecast

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST.....



  • SynopsisNORTHWESTERLY WINDS WILL GRADUALLY DIMINISH AS HIGH PRESSURE OVER NORTHERNMOST CA WEAKENS. LARGE NORTHWEST SWELL WILL MAKE ITS WAY TO THE COAST SUNDAY MORNING PERSISTING INTO EARLY NEXT WEEK. WINDS WILL INCREASE AGAIN TUESDAY AS AN UPPER LEVEL TROUGH APPROACHES THE AREA.
  • Tonight NW winds 10 to 20 kt. Wind waves 2 to 4 ft. W swell 6 to 8 ft at 14 seconds and SW 3 ft at 17 seconds. Patchy fog after midnight.
  • Sun NW winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 9 to 12 ft at 16 seconds and S 3 ft at 16 seconds. Patchy fog in the morning.
  • Sun Night NW winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 9 to 11 ft at 14 seconds and SW 3 ft at 15 seconds. Patchy fog after midnight.
  • Mon NW winds 10 kt. Wind waves 2 ft or less. W swell 8 to 10 ft at 14 seconds and SW 3 ft at 15 seconds. Patchy fog in the morning.
  • Mon Night W winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 6 to 8 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. W swell 6 to 8 ft. Slight chance of showers.
  • Wed NW winds 15 to 25 kt. Wind waves 3 to 6 ft. W swell 5 to 7 ft.
  • Thu NW winds 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 5 to 7 ft.

    .....san francisco bar/fourfathom bank forecast.....

    in the deep water channel...combined seas 6 to 8 feet with a dominant period of 14 seconds increasing to 10 to 12 feet with a dominant period of 16 seconds sunday.

    across the bar...combined seas 8 to 10 feet with a dominant period of 14 seconds increasing to 10 to 13 feet with a dominant period of 16 seconds sunday. Maximum ebb current of 2.5 knots at 07:08 am sunday and 1.1 knots at 09:17 pm sunday.




.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...COMBINED SEAS 6 TO 8 FEET WITH A DOMINANT PERIOD OF 14 SECONDS INCREASING TO 10 TO 12 FEET WITH A DOMINANT PERIOD OF 16 SECONDS SUNDAY. ACROSS THE BAR...COMBINED SEAS 8 TO 10 FEET WITH A DOMINANT PERIOD OF 14 SECONDS INCREASING TO 10 TO 13 FEET WITH A DOMINANT PERIOD OF 16 SECONDS SUNDAY. MAXIMUM EBB CURRENT OF 2.5 KNOTS AT 07:08 AM SUNDAY AND 1.1 KNOTS AT 09:17 PM SUNDAY.

Additional Forecasts and Information

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