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

Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

9NM SSE San Francisco CA

Marine Point Forecast

[NOTICE]

    • Tonight

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

      Light Wind
      < 1ft

    • Thursday

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

      Light Wind
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Increasing clouds. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      Light Wind
      < 1ft

    • Friday

      Friday:Variable winds 5 kt or less. Mostly cloudy, then gradually becoming sunny. N swell 0 ft. Wind waves 1 ft or less.

      Light Wind
      < 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:NE wind 5 to 8 kt. Sunny. N swell 0 ft. Wind waves 1 ft or less.

      NE 8kt
      < 1ft

    • Saturday Night

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

      Light Wind
      < 1ft

    • Sunday

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

      Light Wind
      < 1ft

    • Sunday Night

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

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:22 pm PST Jan 21, 2026
Forecast Valid: 4pm PST Jan 21, 2026-6pm PST Jan 28, 2026

View Nearby Observations

Detailed Forecast


Tonight
Variable winds 5 kt or less. Mostly cloudy. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Thursday
Variable winds 5 kt or less. Mostly sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Increasing clouds. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Friday
Variable winds 5 kt or less. Mostly cloudy, then gradually becoming 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
NE wind 5 to 8 kt. Sunny. N swell 0 ft. Wind waves 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.
Sunday
Variable winds 5 kt or less. Partly sunny. N swell 0 ft. Wind waves 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Mostly 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.
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ABOUT THIS FORECAST

Point Forecast: 37.62°N 122.34°W
Last Update: 2:22 pm PST Jan 21, 2026
Forecast Valid: 4pm PST Jan 21, 2026-6pm PST Jan 28, 2026
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