National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 SSE San Francisco CA

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:Variable winds 5 kt or less. Mostly clear. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:NNE wind around 6 kt. Sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      NNE 6kt
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Mostly clear. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      Light Wind
      < 1ft

    • Thursday

      Thursday:N wind around 6 kt. Sunny. N swell 0 ft. Wind waves 1 ft or less.

      N 6kt
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.

      Light Wind
      < 1ft

    • Friday

      Friday:NE wind 5 to 7 kt. Sunny. N swell 0 ft. Wind waves 1 ft or less.

      NE 7kt
      < 1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.

      Light Wind
      < 1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.

      Light Wind
      < 1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 12:26 pm PST Dec 9, 2025
Forecast Valid: 8pm PST Dec 9, 2025-6pm PST Dec 16, 2025

View Nearby Observations

Detailed Forecast


Tonight
Variable winds 5 kt or less. Mostly clear. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Wednesday
NNE wind around 6 kt. Sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Mostly clear. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Thursday
N wind around 6 kt. Sunny. N swell 0 ft. Wind waves 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.
Friday
NE wind 5 to 7 kt. Sunny. N swell 0 ft. Wind waves 1 ft or less.
Friday Night
Variable winds 5 kt or less. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.
Saturday
Variable winds 5 kt or less. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.

*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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

Point Forecast: 37.65°N 122.35°W
Last Update: 12:26 pm PST Dec 9, 2025
Forecast Valid: 8pm PST Dec 9, 2025-6pm PST Dec 16, 2025
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data