Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

8NM W San Francisco CA

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:NE wind around 7 kt. Mostly clear. Mixed swell...W 3 ft at 11 seconds and SSW 1 ft at 13 seconds. Wind waves around 1 ft.

      NE 7kt
      3ft

    • Wednesday

      Wednesday:NNE wind 7 to 9 kt. Sunny. Mixed swell...WNW 2 to 3 ft at 13 seconds and SSW 2 ft at 13 seconds  decreasing to  at 5 seconds . Wind waves around 1 ft.

      NNE 9kt
      3ft

    • Wednesday Night

      Wednesday Night:NNE wind around 6 kt. Mostly clear. Mixed swell...W 4 ft at 12 seconds and SSW 1 to 2 ft at 7 seconds  building to  at 14 seconds . Wind waves around 1 ft.

      NNE 6kt
      3-4ft

    • Thursday

      Thursday:NNE wind around 9 kt. Sunny. Mixed swell...W 3 to 4 ft and SW 2 ft. Wind waves around 1 ft.

      NNE 9kt
      4ft

    • Thursday Night

      Thursday Night:NNE wind around 7 kt. Mostly clear. Mixed swell...W 4 ft and SSW 1 to 2 ft. Wind waves around 1 ft.

      NNE 7kt
      4ft

    • Friday

      Friday:NE wind 8 to 10 kt. Sunny. Mixed swell...W 3 to 4 ft and SW 2 ft. Wind waves around 1 ft.

      NE 10kt
      4ft

    • Friday Night

      Friday Night:NE wind around 6 kt. Mostly clear. Mixed swell...W 3 ft and SSW 1 ft. Wind waves around 1 ft.

      NE 6kt
      3ft

    • Saturday

      Saturday:ENE wind 6 to 8 kt. Mostly sunny. Mixed swell...W 2 to 3 ft and SSW 1 ft. Wind waves around 1 ft.

      ENE 8kt
      2-3ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Partly cloudy. Mixed swell...W 2 ft and SSW 1 ft. Wind waves 1 ft or less.

      Light Wind
      2ft


Associated Zone Forecast which includes this point

Last Update: 12:26 pm PST Dec 9, 2025
Forecast Valid: 9pm PST Dec 9, 2025-6pm PST Dec 16, 2025

View Nearby Observations

Detailed Forecast


Tonight
NE wind around 7 kt. Mostly clear. Mixed swell...W 3 ft at 11 seconds and SSW 1 ft at 13 seconds. Wind waves around 1 ft.
Wednesday
NNE wind 7 to 9 kt. Sunny. Mixed swell...WNW 2 to 3 ft at 13 seconds and SSW 2 ft at 13 seconds decreasing to at 5 seconds . Wind waves around 1 ft.
Wednesday Night
NNE wind around 6 kt. Mostly clear. Mixed swell...W 4 ft at 12 seconds and SSW 1 to 2 ft at 7 seconds building to at 14 seconds . Wind waves around 1 ft.
Thursday
NNE wind around 9 kt. Sunny. Mixed swell...W 3 to 4 ft and SW 2 ft. Wind waves around 1 ft.
Thursday Night
NNE wind around 7 kt. Mostly clear. Mixed swell...W 4 ft and SSW 1 to 2 ft. Wind waves around 1 ft.
Friday
NE wind 8 to 10 kt. Sunny. Mixed swell...W 3 to 4 ft and SW 2 ft. Wind waves around 1 ft.
Friday Night
NE wind around 6 kt. Mostly clear. Mixed swell...W 3 ft and SSW 1 ft. Wind waves around 1 ft.
Saturday
ENE wind 6 to 8 kt. Mostly sunny. Mixed swell...W 2 to 3 ft and SSW 1 ft. Wind waves around 1 ft.
Saturday Night
Variable winds 5 kt or less. Partly cloudy. Mixed swell...W 2 ft and SSW 1 ft. Wind waves 1 ft or less.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 3 to 4 feet at 13 seconds. ACROSS THE BAR...Mixed seas of 4 to 5 feet at 13 seconds. Maximum ebb current of 1.5 kt at 09:03 AM Wednesday and 2.4 kt at 08:38 PM Wednesday.

*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: 37.79°N 122.59°W
Last Update: 12:26 pm PST Dec 9, 2025
Forecast Valid: 9pm PST Dec 9, 2025-6pm PST Dec 16, 2025
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