Significant Snowfall for Washington Cascades and Northern Rocky Mountains

A cold front will linger for several days from the Pacific Northwest to portions of the northern Plains early this week. Cold temperatures and copious moisture will combine to produce several feet of snow into the mountain passes, with up to 4 feet of snow down to 4000 feet in the northern Rockies. Travel through mountain passes will be very difficult.
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19NM S San Francisco CA

Marine Point Forecast

[NOTICE]
  • Tonight

    Mostly Clear

    NNW 7ktWinds Decreasing
    4ft
  • Monday

    Sunny

    ENE 8ktWinds Decreasing
    2-3ft
  • Monday
    Night

    Partly Cloudy

    Light Wind
    3ft
  • Tuesday

    Mostly Sunny

    Light Wind
    4ft
  • Tuesday
    Night

    Chance Rain

    SSW 13kt
    4ft
  • Wednesday

    Chance Showers

    NW 22kt
    Waves Building7ft
  • Wednesday
    Night

    Mostly Clear

    NNW 12kt
    5-6ft
  • Thursday

    Sunny

    N 7kt
    4ft
  • Thursday
    Night

    Mostly Clear

    NW 6kt
    4ft

Associated Zone Forecast which includes this point

Last Update: 1:38 pm PST Dec 17, 2017
Forecast Valid: 7pm PST Dec 17, 2017-6pm PST Dec 24, 2017

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Detailed Forecast


Synopsis: PZZ500-181015- 159 PM PST Sun Dec 17 2017 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... Northerly winds will continue to diminish through this evening across the coastal waters as an upper level trough over the interior moves east. High pressure will then build off of the northern California coast resulting in light to occasional moderate winds tonight through Tuesday. west to northwest winds will increase again Tuesday night and Wednesday as a weak frontal system moves through the region. $$

Tonight
NNW wind 5 to 7 kt becoming variable and less than 5 kt. Mostly clear. NW swell 4 ft at 12 seconds. Wind waves around 1 ft.
Monday
ENE wind 5 to 8 kt becoming variable and less than 5 kt in the morning. Sunny. NW swell 2 to 3 ft at 11 seconds. Wind waves around 1 ft.
Monday Night
Variable winds 5 kt or less. Partly cloudy. W swell 3 ft at 11 seconds building to at 16 seconds . Wind waves around 1 ft.
Tuesday
Variable winds 5 kt or less. Mostly sunny. W swell 4 ft. Wind waves around 1 ft.
Tuesday Night
SSW wind 11 to 13 kt. A chance of rain, mainly after 4am. W swell 4 ft. Wind waves around 1 ft.
Wednesday
NW wind 12 to 22 kt, with gusts as high as 28 kt. A chance of showers before 10am. W swell 4 ft. Wind waves 1 ft building to 5 ft.
Wednesday Night
NNW wind around 12 kt. Mostly clear. NW swell 5 to 6 ft. Wind waves around 1 ft.
Thursday
N wind around 7 kt. Sunny. NW swell 4 ft becoming W. Wind waves around 1 ft.
Thursday Night
NW wind around 6 kt. Mostly clear. W swell 4 ft. Wind waves around 1 ft.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Combined seas 6 to 8 ft at 12 seconds. ACROSS THE BAR...Combined seas 7 to 9 ft at 12 seconds. Maximum ebb current of 1.9 knots at 03:18 PM Sunday and 0.7 knots at 04:06 AM Monday.

*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: 37.47°N 122.47°W
Last Update: 1:38 pm PST Dec 17, 2017
Forecast Valid: 7pm PST Dec 17, 2017-6pm PST Dec 24, 2017
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