National Weather Service United States Department of Commerce

Arctic air to drop temperatures across the northern Plain and northern Rockies; will bring snow to the Intermountain West

An arctic front is forecast to plunge through the northern Plains and northern Rockies on Saturday bringing a drastic drop in temperatures across these areas with a burst of snow over much of the Intermountain Region. Arctic air will also filter into the Pacific Northwest bringing with it snow showers and subfreezing low temperatures.
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Last Update: 813 PM PST FRI NOV 28 2014

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

Marine Zone Forecast





  • SynopsisSOUTHERLY WINDS WILL INCREASE OVER THE COASTAL WATERS TONIGHT AND SATURDAY AS A STORM SYSTEM DEVELOPS OFF THE COAST. WINDS WILL BE GUSTY SATURDAY AND SUNDAY PRODUCING HAZARDOUS CONDITIONS WITH A FRESH STEEP SWELL. THE STORM SYSTEM WILL ALSO BRING PERIODS OF MODERATE TO HEAVY RAIN. UNSETTLED WEATHER IS EXPECTED FOR MUCH OF NEXT WEEK AS MORE STORM SYSTEMS MOVE THROUGH THE REGION.
  • Tonight S winds 10 to 20 kt. Wind waves 2 to 4 ft. W swell 5 to 7 ft at 13 seconds. Chance of rain in the evening...then rain after midnight.
  • Sat S winds 10 to 20 kt. Wind waves 2 to 4 ft. W swell 5 to 7 ft at 11 seconds. Rain in the morning...then rain likely in the afternoon.
  • Sat Night SE winds 10 to 20 kt. Wind waves 2 to 5 ft. W swell 3 to 5 ft at 10 seconds. Rain likely in the evening...then showers likely after midnight.
  • Sun SE winds 15 to 25 kt. Wind waves 4 to 8 ft. W swell 2 to 4 ft at 13 seconds. Showers likely.
  • Sun Night SE winds 15 to 25 kt. Wind waves 4 to 7 ft. W swell 2 to 4 ft at 13 seconds. Chance of showers.
  • Mon SE winds 15 to 25 kt. Wind waves 4 to 7 ft. W swell 5 to 7 ft. Chance of showers...then chance of rain.
  • Tue SE winds 10 to 20 kt. Wind waves 2 to 4 ft. SW swell 5 to 7 ft. Rain likely.
  • Wed S winds 10 to 20 kt. Wind waves 2 to 4 ft. SW swell 6 to 8 ft. Showers likely...then chance of showers.

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

    in the deep water channel...combined seas 5 to 8 feet with a dominant swell period of 13 seconds.

    across the bar...combined seas 6 to 8 feet with a dominant swell period of 13 seconds. Maximum ebb current of 1.5 knots at 09:28 am saturday and 1.6 knots at 09:00 pm saturday.




.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...COMBINED SEAS 5 TO 8 FEET WITH A DOMINANT SWELL PERIOD OF 13 SECONDS. ACROSS THE BAR...COMBINED SEAS 6 TO 8 FEET WITH A DOMINANT SWELL PERIOD OF 13 SECONDS. MAXIMUM EBB CURRENT OF 1.5 KNOTS AT 09:28 AM SATURDAY AND 1.6 KNOTS AT 09:00 PM SATURDAY.

Additional Forecasts and Information

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