Heavy Lake Effect Snow and Bitterly Cold Temperatures

A bitterly cold airmass will settle over much of the central and eastern U.S over the next several days. Well below normal temperatures and cold wind chills will be common. In addition, heavy lake effect snow will be possible especially downwind of Lakes Erie and Ontario, where up to one foot of additional snow is forecast by Sunday morning.
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30NM WNW San Francisco CA

Marine Point Forecast

[NOTICE]
  • Today

    Dense Fog

    NW 13kt
    8-10ft
  • Tonight

    Partly Cloudy

    NW 21kt
    Waves Building10ft
  • Saturday

    Mostly Sunny

    NNW 19kt
    4-5ft
  • Saturday
    Night

    Partly Cloudy

    NW 21kt
    4-5ft
  • Sunday

    Mostly Sunny

    NNW 20kt
    6-8ft
  • Sunday
    Night

    Mostly Clear

    NNW 21kt
    8-9ft
  • Washington's
    Birthday

    Sunny

    NNW 15ktWinds Decreasing
    5-7ft
  • Monday
    Night

    Partly Cloudy

    Light Wind
    4-5ft
  • Tuesday

    Mostly Sunny

    Winds IncreasingE 7kt
    4ft

Associated Zone Forecast which includes this point

Last Update: 2:13 am PST Feb 12, 2016
Forecast Valid: 7am PST Feb 12, 2016-6pm PST Feb 18, 2016

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Detailed Forecast

...SMALL CRAFT ADVISORY FOR ROUGH BAR IN EFFECT THROUGH SATURDAY

Synopsis: GREATER FARALLONES...AND CORDELL BANK NATIONAL MARINE SANCTUARIES...

GENERALLY LIGHT NORTHWEST WINDS WILL CONTINUE TODAY OVER A BUILDING AND LONG PERIOD WESTERLY SWELL. BY THIS EVENING NW WINDS WILL BEGIN TO INCREASE OVER THE WATERS AND CONTINUE THROUGH MUCH OF THE WEEKEND AND INTO EARLY NEXT WEEK.

Today
NW wind 8 to 13 kt. Patchy dense fog before 10am. NE swell 8 ft at 18 seconds. Wind waves 2 to 3 ft.
Tonight
NW wind 19 to 21 kt. Partly cloudy. NE swell 9 ft at 17 seconds. Wind waves 4 to 5 ft.
Saturday
NNW wind 17 to 19 kt. Mostly sunny. . Wind waves around 4 ft.
Saturday Night
NW wind around 21 kt. Partly cloudy. . Wind waves 4 to 5 ft.
Sunday
NNW wind around 20 kt. Mostly sunny. Mixed swell...NE 5 to 7 ft and SSW 1 ft. Wind waves around 4 ft.
Sunday Night
NNW wind 16 to 21 kt. Mostly clear. Mixed swell...NE 8 ft and S 1 ft. Wind waves 3 to 5 ft.
Washington's Birthday
NNW wind 10 to 15 kt becoming variable and less than 5 kt in the morning. Sunny. Mixed swell...N 6 ft and ...becoming N 5 ft. Wind waves 1 to 3 ft.
Monday Night
Variable winds 5 kt or less. Partly cloudy. N swell 4 to 5 ft becoming NE. Wind waves around 1 ft.
Tuesday
Variable winds less than 5 kt becoming E 5 to 7 kt in the morning. Mostly sunny. NE swell 4 ft. Wind waves 1 to 2 ft.

*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: 38°N 122.99°W
Last Update: 2:13 am PST Feb 12, 2016
Forecast Valid: 7am PST Feb 12, 2016-6pm PST Feb 18, 2016
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