Arctic Air Plunges into the Great Lakes, Northeast and Mid-Atlantic

Arctic air dropping through the northern and eastern U.S. and a storm off the east coast will bring periods of snow, very cold wind chills and hazardous traveling conditions from the Upper Great Lakes to the Northeast. Meanwhile in southern California, Santa Ana winds will decrease but hot, dry air will remain over the area with elevated fire weather conditions.
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18NM S San Francisco CA

Marine Point Forecast

[NOTICE]
  • Tonight

    Mostly Clear

    Winds IncreasingNE 21km/h
    2m
  • Wednesday

    Sunny

    NE 26km/hWinds Decreasing
    2m
  • Wednesday
    Night

    Partly Cloudy

    NW 23km/h
    1-2m
  • Thursday

    Sunny

    NNW 16km/h
    2m
  • Thursday
    Night

    Mostly Clear

    ENE 18km/h
    2m
  • Friday

    Mostly Sunny

    NW 18km/h
    2m
  • Friday
    Night

    Partly Cloudy

    NNW 21km/h
    1-2m
  • Saturday

    Mostly Sunny

    N 10km/h
    1m
  • Saturday
    Night

    Mostly Clear

    N 13km/h
    1m

Associated Zone Forecast which includes this point

Last Update: 6:43 pm PST Dec 12, 2017
Forecast Valid: 8pm PST Dec 12, 2017-6pm PST Dec 19, 2017

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Detailed Forecast


Synopsis: PZZ500-130900- 1211 PM PST Tue Dec 12 2017 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... Increasing northwest winds over the waters through the upcoming weekend. The strongest winds today will be primarily be located from Point Sur and southward with small craft advisory winds forecast there. Steadily larger, long period swell will impact the coast mid to late this week as well. $$

Tonight
N wind 10 to 15 km/h becoming NE 16 to 21 km/h after midnight. Mostly clear. WNW swell 2 ft at 13 seconds. Wind waves 1 m or less.
Wednesday
NE wind 21 to 26 km/h becoming NE 11 to 16 km/h in the afternoon. Winds could gust as high as 34 km/h. Sunny. WNW swell 2 ft at 13 seconds building to at 18 seconds . Wind waves 1 m or less.
Wednesday Night
NW wind 18 to 23 km/h. Partly cloudy. WNW swell 1 ft at 17 seconds becoming WSW. Wind waves 1 m or less.
Thursday
NNW wind 10 to 16 km/h. Sunny. WSW swell 2 ft becoming WNW. Wind waves 1 m or less.
Thursday Night
NNW wind 16 to 18 km/h becoming ENE in the evening. Mostly clear. W swell 2 ft. Wind waves 1 m or less.
Friday
ENE wind 16 to 18 km/h becoming NW in the morning. Mostly sunny. W swell 2 ft. Wind waves 1 m or less.
Friday Night
NNW wind 11 to 21 km/h. Partly cloudy. WSW swell 1 to 2 ft. Wind waves 1 m or less.
Saturday
N wind around 10 km/h. Mostly sunny. WSW swell 1 ft becoming WNW. Wind waves 1 m or less.
Saturday Night
N wind 10 to 13 km/h. Mostly clear. WNW swell 1 ft. Wind waves 1 m or less.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Combined seas 5 to 7 ft at 14 seconds. ACROSS THE BAR...Combined seas 6 to 8 ft at 14 seconds. Maximum ebb current of 0.8 knots at 11:18 PM Tuesday and 1.5 knots at 12:48 PM Wednesday.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
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ABOUT THIS FORECAST

Point Forecast: 37.49°N 122.48°W
Last Update: 6:43 pm PST Dec 12, 2017
Forecast Valid: 8pm PST Dec 12, 2017-6pm PST Dec 19, 2017
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