Very Cold with Snow and Ice Across the Central & Eastern States; Turning Unsettled in the Northwest

Well below normal temperatures, bitterly cold wind chills, and another round of snow and ice will impact the central and eastern U.S. through at least Tuesday. Wintry precipitation will extend as far south as Texas and Louisiana. Meanwhile, rain and wind will return to the Pacific Northwest, with locally heavy precipitation by mid-week.

4NM NW San Francisco CA

Marine Point Forecast

  • Overnight

    Rain Likely

    S 8kt
  • Tuesday

    Chance Rain

    Winds IncreasingW 9kt
  • Tuesday

    Mostly Cloudy

    N 6kt
  • Wednesday

    Partly Sunny

    WSW 10kt
  • Wednesday

    Rain Likely

    SW 11kt
  • Thursday

    Rain Likely

    SSW 16kt
  • Thursday

    Chance Showers

    W 14kt
  • Friday

    Chance Showers

    W 16kt
  • Friday

    Slight Chc Showers

    WNW 13kt

Associated Zone Forecast which includes this point

Last Update: 1:56 pm PST Jan 15, 2018
Forecast Valid: 3am PST Jan 16, 2018-6pm PST Jan 22, 2018

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Detailed Forecast

Synopsis: PZZ500-161115- 809 PM PST Mon Jan 15 2018 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... Southwesterly winds will continue tonight as a storm system approaches from the west. A longer period swell will continue to impact the coast through Tuesday. A larger and more powerful swell will arrive Wednesday night or Thursday morning. $$

S wind around 8 kt. Rain likely, mainly before 4am.
Variable winds less than 5 kt becoming W 5 to 9 kt in the morning. A chance of rain before 10am.
Tuesday Night
N wind around 6 kt. Mostly cloudy.
N wind 6 to 10 kt becoming WSW in the morning. Partly sunny.
Wednesday Night
SW wind around 11 kt. Rain likely, mainly after 4am.
SSW wind around 16 kt. Rain likely, mainly before 10am.
Thursday Night
W wind 12 to 14 kt. A chance of showers.
W wind 12 to 16 kt. A chance of showers.
Friday Night
WNW wind 10 to 13 kt. A slight chance of showers.


  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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Point Forecast: 37.83°N 122.48°W
Last Update: 1:56 pm PST Jan 15, 2018
Forecast Valid: 3am PST Jan 16, 2018-6pm PST Jan 22, 2018
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