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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6NM WNW San Francisco CA

Marine Point Forecast

[NOTICE]
  • Tonight

    Dense Fog

    WNW 13kt
    9ft

    Small Craft Advisory
    Small Craft Advisory

  • Saturday

    Mostly Sunny

    Winds IncreasingWNW 13kt
    8ft

    Small Craft Advisory
    Small Craft Advisory

  • Saturday
    Night

    Dense Fog

    WNW 16kt
    9ft

    Small Craft Advisory
    Small Craft Advisory

  • Sunday

    Mostly Sunny

    Winds IncreasingWNW 9kt
    5-7ft

    Small Craft Advisory
    Small Craft Advisory

  • Sunday
    Night

    Mostly Clear

    N 17kt
    7-8ft
  • Washington's
    Birthday

    Sunny

    NE 8ktWinds Decreasing
    5-6ft
  • Monday
    Night

    Partly Cloudy

    Light Wind
    4-5ft
  • Tuesday

    Mostly Sunny

    Winds IncreasingENE 7kt
    4ft
  • Tuesday
    Night

    Mostly Cloudy

    Light Wind
    3-4ft

Associated Zone Forecast which includes this point

Last Update: 9:58 am PST Feb 12, 2016
Forecast Valid: 7pm PST Feb 12, 2016-6pm PST Feb 19, 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...

LARGE AND LONG PERIOD WESTERLY SWELL WILL CONTINUE INTO SATURDAY. NORTHWESTERLY WINDS WILL INCREASE OVER THE COASTAL WATERS THROUGH THIS EVENING INTO SATURDAY. UNSEASONABLY STRONG HIGH PRESSURE OVER THE EASTERN PACIFIC WILL GRADUALLY ADVANCE OVER NORTHERN CALIFORNIA THIS WEEKEND AND EARLY NEXT WEEK. A COLD FRONTAL SYSTEM WILL APPROACH THE COASTAL WATERS BY LATE WEDNESDAY OR THURSDAY.

Tonight
WNW wind around 13 kt. Patchy dense fog after 10pm. WNW swell 9 ft at 17 seconds. Wind waves around 3 ft.
Saturday
Variable winds less than 5 kt becoming WNW 8 to 13 kt in the morning. Mostly sunny. WNW swell 8 ft at 16 seconds. Wind waves 1 to 3 ft.
Saturday Night
WNW wind 13 to 16 kt. Patchy dense fog after 10pm. WNW swell 8 ft at 15 seconds. Wind waves around 3 ft.
Sunday
Variable winds less than 5 kt becoming WNW 5 to 9 kt in the morning. Mostly sunny. Mixed swell...W 5 to 7 ft and SSW 1 ft. Wind waves 1 to 2 ft.
Sunday Night
WNW wind 14 to 17 kt becoming N in the evening. Mostly clear. Mixed swell...W 7 ft and S 1 ft. Wind waves 3 to 4 ft.
Washington's Birthday
NE wind 5 to 8 kt becoming variable and less than 5 kt in the morning. Sunny. Mixed swell...W 6 ft and ...becoming W 5 ft. Wind waves 1 to 2 ft.
Monday Night
Variable winds 5 kt or less. Partly cloudy. W swell 4 to 5 ft. Wind waves around 1 ft.
Tuesday
Variable winds less than 5 kt becoming ENE 5 to 7 kt in the morning. Mostly sunny. W swell 4 ft. Wind waves 1 to 2 ft.
Tuesday Night
Variable winds 5 kt or less. Mostly cloudy. W swell 3 to 4 ft. Wind waves around 1 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: 37.8°N 122.53°W
Last Update: 9:58 am PST Feb 12, 2016
Forecast Valid: 7pm PST Feb 12, 2016-6pm PST Feb 19, 2016
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