Upcoming Pattern Shift to Bring Heavy Mountain Snow to the West

Heavy, accumulating snow is likely today in the Cascades and Sierra Nevada. Another Bering Sea storm will bring strong winds and heavy precipitation to the Aleutians and southwest Alaska into Thursday. Light snow is expected from the Ohio Valley into the Northeast. A widespread and significant winter storm is expected to move into the Central Rockies and High Plains Thursday into Friday.
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13NM WNW San Francisco CA

Marine Point Forecast

[NOTICE]
  • Today

    Slight Chc Rain

    Winds IncreasingWNW 16kt
    2ft
  • Tonight

    Chance Rain

    WNW 23kt
    6ft

    Small Craft Advisory
    Small Craft Advisory

  • Thursday

    Sunny

    WNW 19kt
    6-7ft

    Small Craft Advisory
    Small Craft Advisory

  • Thursday
    Night

    Mostly Clear

    NNW 10ktWinds Decreasing
    5-7ft

    Small Craft Advisory
    Small Craft Advisory

  • Friday

    Sunny

    Light Wind
    3-5ft
  • Friday
    Night

    Partly Cloudy

    Winds IncreasingENE 6kt
    4ft
  • Saturday

    Slight Chc Rain

    Light Wind
    3ft
  • Saturday
    Night

    Rain Likely

    S 11kt
    2-3ft
  • Sunday

    Rain Likely

    S 13kt
    5ft

Associated Zone Forecast which includes this point

Last Update: 4:02 am PST Dec 8, 2021
Forecast Valid: 6am PST Dec 8, 2021-6pm PST Dec 14, 2021

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Detailed Forecast


Synopsis: PZZ500-082230- 202 AM PST Wed Dec 8 2021 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... Light to breezy northwest winds over most of the waters through this afternoon. A moderate period northwest swell is forecast to arrive during the day. Winds will strengthen late tonight becoming gusty over most of the waters by mid-day Thursday as another cold front clips our outer waters. These gusty winds associated with the frontal passage will generate steep wind waves, making hazardous conditions for smaller vessels. Winds will approach. Chances for rain over the waters by early Thursday morning. $$

Today
Variable winds less than 5 kt becoming WNW 11 to 16 kt in the morning. A slight chance of rain after 1pm. W swell 1 ft at 15 seconds. Wind waves 1 to 2 ft.
Tonight
WNW wind 17 to 23 kt, with gusts as high as 29 kt. A chance of rain, mainly after 10pm. W swell 1 ft at 14 seconds. Wind waves around 6 ft.
Thursday
WNW wind 15 to 19 kt. Sunny. WNW swell 1 ft at 15 seconds becoming W. Wind waves 6 to 7 ft.
Thursday Night
NNW wind 5 to 10 kt becoming variable and less than 5 kt in the evening. Mostly clear. W swell 2 ft. Wind waves 5 to 6 ft.
Friday
Variable winds 5 kt or less. Sunny. W swell 5 ft. Wind waves 1 ft or less.
Friday Night
Variable winds less than 5 kt becoming ENE around 6 kt in the evening. Partly cloudy. W swell 4 ft. Wind waves 1 ft or less.
Saturday
Variable winds 5 kt or less. A slight chance of rain after 4pm. W swell 3 ft. Wind waves around 1 ft.
Saturday Night
S wind 7 to 11 kt. Rain likely. W swell 2 ft. Wind waves around 1 ft.
Sunday
S wind around 13 kt. Rain likely. W swell 4 ft. Wind waves around 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: 37.85°N 122.66°W
Last Update: 4:02 am PST Dec 8, 2021
Forecast Valid: 6am PST Dec 8, 2021-6pm PST Dec 14, 2021
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