Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

45NM NW San Francisco CA

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NW wind around 7 kt. Mostly sunny. Mixed swell...W 3 ft at 11 seconds and SSW 1 ft at 13 seconds. Wind waves around 1 ft.

      NW 7kt
      3ft

    • Tonight

      Tonight:NW wind 6 to 8 kt. Mostly cloudy. Mixed swell...W 4 ft at 11 seconds and SW 1 ft at 13 seconds. Wind waves around 1 ft.

      NW 8kt
      4ft

    • Tuesday

      Tuesday:N wind 5 to 7 kt becoming NW in the afternoon. Mostly cloudy, then gradually becoming sunny. Mixed swell...WNW 4 ft at 12 seconds and SW 2 ft at 12 seconds. Wind waves around 1 ft.

      NW 7kt
      4ft

    • Tuesday Night

      Tuesday Night:N wind 6 to 8 kt. Partly cloudy. Mixed swell...W 5 ft and S 1 ft. Wind waves around 1 ft.

      N 8kt
      5ft

    • Wednesday

      Wednesday:N wind around 6 kt becoming NW in the afternoon. Mostly sunny. Mixed swell...W 5 ft and S 1 ft. Wind waves 1 ft or less.

      NW 6kt
      5ft

    • Wednesday Night

      Wednesday Night:N wind 5 to 7 kt. Partly cloudy. Mixed swell...WNW 6 ft and S 1 ft. Wind waves around 1 ft.

      N 7kt
      5ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Mostly sunny. Mixed swell...W 6 ft and S 1 ft. Wind waves 1 ft or less.

      Light Wind
      5-6ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Patchy fog after 10pm.  Mixed swell...WNW 6 ft and SW 1 to 2 ft becoming S. Wind waves 1 ft or less.

      Light Wind
      6ft

    • Friday

      Friday:Variable winds 5 kt or less. Sunny. Mixed swell...W 5 to 6 ft and S 1 ft. Wind waves 1 ft or less.

      Light Wind
      5ft


Associated Zone Forecast which includes this point

Last Update: 12:26 pm PST Dec 8, 2025
Forecast Valid: 2pm PST Dec 8, 2025-6pm PST Dec 14, 2025

View Nearby Observations

Detailed Forecast


This Afternoon
NW wind around 7 kt. Mostly sunny. Mixed swell...W 3 ft at 11 seconds and SSW 1 ft at 13 seconds. Wind waves around 1 ft.
Tonight
NW wind 6 to 8 kt. Mostly cloudy. Mixed swell...W 4 ft at 11 seconds and SW 1 ft at 13 seconds. Wind waves around 1 ft.
Tuesday
N wind 5 to 7 kt becoming NW in the afternoon. Mostly cloudy, then gradually becoming sunny. Mixed swell...WNW 4 ft at 12 seconds and SW 2 ft at 12 seconds. Wind waves around 1 ft.
Tuesday Night
N wind 6 to 8 kt. Partly cloudy. Mixed swell...W 5 ft and S 1 ft. Wind waves around 1 ft.
Wednesday
N wind around 6 kt becoming NW in the afternoon. Mostly sunny. Mixed swell...W 5 ft and S 1 ft. Wind waves 1 ft or less.
Wednesday Night
N wind 5 to 7 kt. Partly cloudy. Mixed swell...WNW 6 ft and S 1 ft. Wind waves around 1 ft.
Thursday
Variable winds 5 kt or less. Mostly sunny. Mixed swell...W 6 ft and S 1 ft. Wind waves 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Patchy fog after 10pm. Mixed swell...WNW 6 ft and SW 1 to 2 ft becoming S. Wind waves 1 ft or less.
Friday
Variable winds 5 kt or less. Sunny. Mixed swell...W 5 to 6 ft and S 1 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...

ABOUT THIS FORECAST

Point Forecast: 38.3°N 123.07°W
Last Update: 12:26 pm PST Dec 8, 2025
Forecast Valid: 2pm PST Dec 8, 2025-6pm PST Dec 14, 2025
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data