National Weather Service United States Department of Commerce

Unsettled weather in store for eastern U.S. into weekend

A complex weather system moving across the eastern U.S. will bring a variety of hazardous weather to the region on Friday and into the weekend. Much colder weather is expected by Saturday, along with numerous showers and accumulating snow in the higher elevations of the Appalachians. Rain and snow will move into northern New England on Sunday.
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Last Update: 844 AM PDT FRI OCT 31 2014

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

Marine Zone Forecast





  • SynopsisA COLD FRONT WILL GO ACROSS OUR WATERS TODAY LEADING TO SHOWERS AND POSSIBLE THUNDERSTORMS. WIND WILL BRIEFLY INCREASE WITH THE PASSAGE OF THE FRONT AS IT MOVES NORTHWEST TO SOUTHEAST. BEHIND THE FRONT LIGHTER NW WINDS ARE FORECAST BY THE EVENING. ON SATURDAY STRONGER NW WINDS AND BUILDING SEAS TO AROUND 10 FEET WILL DEVELOP CREATING SOME HAZARDOUS SEAS FOR THE START OF CRAB SEASON.
  • Today NW winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 4 to 6 ft at 12 seconds. Rain in the morning...then showers and slight chance of thunderstorms in the afternoon.
  • Tonight NW winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 5 to 7 ft at 14 seconds. Slight chance of thunderstorms in the evening. Showers likely through the night.
  • Sat NW winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 6 to 8 ft at 13 seconds. Chance of showers.
  • Sat Night NW winds 10 to 20 kt. Wind waves 2 to 4 ft. W swell 7 to 9 ft at 12 seconds.
  • Sun NW winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 6 to 8 ft at 11 seconds.
  • Mon NW winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 4 to 6 ft.
  • Tue NW winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 5 to 7 ft. SW swell 3 ft.

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

    in the deep water channel...combined seas 2 to 4 feet with a dominant swell period of 12 seconds.

    across the bar...combined seas 3 to 5 feet with a dominant swell period of 10 seconds. Maximum ebb current of 1.3 knots at 10:58 am friday and 1.6 knots at 10:08 pm friday.




.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...COMBINED SEAS 2 TO 4 FEET WITH A DOMINANT SWELL PERIOD OF 12 SECONDS. ACROSS THE BAR...COMBINED SEAS 3 TO 5 FEET WITH A DOMINANT SWELL PERIOD OF 10 SECONDS. MAXIMUM EBB CURRENT OF 1.3 KNOTS AT 10:58 AM FRIDAY AND 1.6 KNOTS AT 10:08 PM FRIDAY.

Additional Forecasts and Information

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