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

Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

39NM NW San Francisco CA

Marine Point Forecast

[NOTICE]

    • Today

      Today:Variable winds less than 5 kt becoming NW 5 to 7 kt in the afternoon. Sunny. Mixed swell...WNW 6 ft at 14 seconds and SSW 1 ft at 14 seconds. Wind waves around 1 ft.

      ⇑NW 7kt
      4ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Patchy fog before 10pm, then Patchy fog between midnight and 2am. Mixed swell...WNW 6 ft at 15 seconds and S 1 ft at 14 seconds. Wind waves 1 ft or less.

      Light Wind
      4ft

    • Friday

      Friday:E wind around 6 kt becoming NW in the afternoon. Sunny. Mixed swell...W 5 ft at 14 seconds and S 1 ft at 13 seconds. Wind waves 1 ft or less.

      ENE 6kt
      4ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Mostly clear. Mixed swell...W 4 ft and S 1 ft. Wind waves 1 ft or less.

      Light Wind
      3ft

    • Saturday

      Saturday:E wind around 6 kt becoming S in the afternoon. Sunny. Mixed swell...W 3 ft and SSW 1 ft. Wind waves around 1 ft.

      SE 6kt
      3ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Patchy fog. Mixed swell...W 2 to 3 ft and S 1 ft. Wind waves 1 ft or less.

      Light Wind
      2ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Mostly sunny. Mixed swell...W 2 ft and S 1 ft. Wind waves 1 ft or less.

      Light Wind
      1-2ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Patchy fog. Mixed swell...W 2 ft and SSW 1 ft. Wind waves 1 ft or less.

      Light Wind
      1-2ft

    • Monday

      Monday:Variable winds 5 kt or less. Patchy fog before 10am. Mixed swell...W 2 ft and SW 1 ft. Wind waves 1 ft or less.

      Light Wind
      1-2ft


Associated Zone Forecast which includes this point

Last Update: 10:56 am PST Dec 11, 2025
Forecast Valid: 11am PST Dec 11, 2025-6pm PST Dec 17, 2025

View Nearby Observations

Detailed Forecast


Today
Variable winds less than 5 kt becoming NW 5 to 7 kt in the afternoon. Sunny. Mixed swell...WNW 6 ft at 14 seconds and SSW 1 ft at 14 seconds. Wind waves around 1 ft.
Tonight
Variable winds 5 kt or less. Patchy fog before 10pm, then Patchy fog between midnight and 2am. Mixed swell...WNW 6 ft at 15 seconds and S 1 ft at 14 seconds. Wind waves 1 ft or less.
Friday
E wind around 6 kt becoming NW in the afternoon. Sunny. Mixed swell...W 5 ft at 14 seconds and S 1 ft at 13 seconds. Wind waves 1 ft or less.
Friday Night
Variable winds 5 kt or less. Mostly clear. Mixed swell...W 4 ft and S 1 ft. Wind waves 1 ft or less.
Saturday
E wind around 6 kt becoming S in the afternoon. Sunny. Mixed swell...W 3 ft and SSW 1 ft. Wind waves around 1 ft.
Saturday Night
Variable winds 5 kt or less. Patchy fog. Mixed swell...W 2 to 3 ft and S 1 ft. Wind waves 1 ft or less.
Sunday
Variable winds 5 kt or less. Mostly sunny. Mixed swell...W 2 ft and S 1 ft. Wind waves 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Patchy fog. Mixed swell...W 2 ft and SSW 1 ft. Wind waves 1 ft or less.
Monday
Variable winds 5 kt or less. Patchy fog before 10am. Mixed swell...W 2 ft and SW 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.
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ABOUT THIS FORECAST

Point Forecast: 38.25°N 122.97°W
Last Update: 10:56 am PST Dec 11, 2025
Forecast Valid: 11am PST Dec 11, 2025-6pm PST Dec 17, 2025
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