Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

17NM W San Francisco CA

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:Variable winds 5 kt or less. Cloudy. Mixed swell...W 4 ft at 15 seconds and SSW 1 ft at 15 seconds. Wind waves around 1 ft.

      Light Wind
      5ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Cloudy. Mixed swell...W 4 ft at 13 seconds and SSW 1 ft at 16 seconds  decreasing to  at 13 seconds . Wind waves 1 ft or less.

      Light Wind
      4-5ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Mostly cloudy. Mixed swell...W 4 ft at 12 seconds and SSW 1 ft at 6 seconds  building to  at 9 seconds . Wind waves 1 ft or less.

      Light Wind
      4ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming WNW around 6 kt in the afternoon. Partly sunny. Mixed swell...W 3 ft and SW 1 ft. Wind waves 1 ft or less.

      ⇑WNW 6kt
      3-4ft

    • Thursday Night

      Thursday Night:WNW wind around 7 kt. Mostly cloudy. Mixed swell...WNW 4 ft and SSW 1 ft. Wind waves around 1 ft.

      WNW 7kt
      4ft

    • Friday

      Friday:Variable winds 5 kt or less. Partly sunny. Mixed swell...WNW 4 ft and SSW 1 ft. Wind waves 1 ft or less.

      Light Wind
      4ft

    • Friday Night

      Friday Night:N wind around 6 kt. Partly cloudy. Mixed swell...WNW 4 ft and SW 1 ft. Wind waves around 1 ft.

      N 6kt
      4ft

    • Saturday

      Saturday:NE wind 6 to 8 kt. Sunny. Mixed swell...WNW 4 ft and SW 1 ft. Wind waves around 1 ft.

      NE 8kt
      4ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Partly cloudy. Mixed swell...WNW 3 to 4 ft and SW 1 ft. Wind waves 1 ft or less.

      Light Wind
      3-4ft


Associated Zone Forecast which includes this point

Last Update: 7:24 pm PST Jan 20, 2026
Forecast Valid: 11pm PST Jan 20, 2026-6pm PST Jan 27, 2026

View Nearby Observations

Detailed Forecast


Overnight
Variable winds 5 kt or less. Cloudy. Mixed swell...W 4 ft at 15 seconds and SSW 1 ft at 15 seconds. Wind waves around 1 ft.
Wednesday
Variable winds 5 kt or less. Cloudy. Mixed swell...W 4 ft at 13 seconds and SSW 1 ft at 16 seconds decreasing to at 13 seconds . Wind waves 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Mostly cloudy. Mixed swell...W 4 ft at 12 seconds and SSW 1 ft at 6 seconds building to at 9 seconds . Wind waves 1 ft or less.
Thursday
Variable winds less than 5 kt becoming WNW around 6 kt in the afternoon. Partly sunny. Mixed swell...W 3 ft and SW 1 ft. Wind waves 1 ft or less.
Thursday Night
WNW wind around 7 kt. Mostly cloudy. Mixed swell...WNW 4 ft and SSW 1 ft. Wind waves around 1 ft.
Friday
Variable winds 5 kt or less. Partly sunny. Mixed swell...WNW 4 ft and SSW 1 ft. Wind waves 1 ft or less.
Friday Night
N wind around 6 kt. Partly cloudy. Mixed swell...WNW 4 ft and SW 1 ft. Wind waves around 1 ft.
Saturday
NE wind 6 to 8 kt. Sunny. Mixed swell...WNW 4 ft and SW 1 ft. Wind waves around 1 ft.
Saturday Night
Variable winds 5 kt or less. Partly cloudy. Mixed swell...WNW 3 to 4 ft and SW 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 18 seconds. ACROSS THE BAR...Mixed seas of 4 to 5 feet at 18 seconds. Maximum ebb current of 1.7 kt at 06:07 AM Wednesday and 3.2 kt at 05:52 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 37.76°N 122.78°W
Last Update: 7:24 pm PST Jan 20, 2026
Forecast Valid: 11pm PST Jan 20, 2026-6pm PST Jan 27, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data