Unsettled Across the West; Increasingly Rainy with a Few Storms in the South

A frontal system will bring heavy precipitation, including mountain snowfall to much of the Pacific Northwest, northern California, and portions of the Rockies through Tuesday. Elsewhere, wet weather will return to much of the South with locally heavy rainfall; a few strong to severe thunderstorms will also be possible in this region by Tuesday.

6NM WNW San Francisco CA

Marine Point Forecast

  • Today


    NE 12kt
  • Tonight

    Partly Cloudy

    NNE 8kt
  • Tuesday

    Partly Sunny

    SW 10kt
  • Tuesday

    Rain Likely

    SSW 11kt
  • Wednesday

    Slight Chc Rain

    NW 11kt
  • Wednesday

    Mostly Clear

    N 9kt
  • Thursday


    N 6ktWinds Decreasing
  • Thursday

    Mostly Clear

    Light Wind
  • Friday


    NE 7kt

Associated Zone Forecast which includes this point

Last Update: 2:14 am PST Dec 18, 2017
Forecast Valid: 9am PST Dec 18, 2017-6pm PST Dec 24, 2017

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Detailed Forecast

Synopsis: PZZ500-181745- 317 AM PST Mon Dec 18 2017 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... A 1025 mb high centered 650 miles west of the Bay Area will weaken tonight and Tuesday resulting in decreasing winds. The winds will become light southwest Tuesday ahead of a frontal system. Post frontal northwest winds will increase Wednesday and Thursday. $$

NE wind 8 to 12 kt. Sunny. NW swell 2 ft at 11 seconds. Wind waves around 1 ft.
NNE wind around 8 kt. Partly cloudy. W swell 3 ft at 11 seconds building to at 16 seconds . Wind waves around 1 ft.
E wind 5 to 10 kt becoming WSW in the afternoon. Partly sunny. W swell 4 ft at 15 seconds. Wind waves around 1 ft.
Tuesday Night
SSW wind 7 to 11 kt. Rain likely, mainly between 10pm and 4am. W swell 4 ft. Wind waves around 2 ft.
NW wind around 11 kt. A slight chance of rain before 10am. W swell 3 ft. Wind waves 2 to 4 ft.
Wednesday Night
N wind 7 to 9 kt. Mostly clear. NW swell 4 to 5 ft. Wind waves around 1 ft.
N wind around 6 kt becoming variable and less than 5 kt in the morning. Sunny. NW swell 3 ft. Wind waves around 1 ft.
Thursday Night
Variable winds 5 kt or less. Mostly clear. W swell 3 ft. Wind waves around 1 ft.
NE wind around 7 kt. Sunny. W swell 3 ft. Wind waves around 1 ft.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Combined seas 4 to 6 ft at 12 seconds. ACROSS THE BAR...Combined seas 5 to 7 ft at 12 seconds. Maximum ebb current of 0.7 knots at 04:06 AM Monday and 1.9 knots at 03:48 PM Monday.


  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: 37.8°N 122.53°W
Last Update: 2:14 am PST Dec 18, 2017
Forecast Valid: 9am PST Dec 18, 2017-6pm PST Dec 24, 2017
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