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

Blizzard Conditions Possible in Parts of Alaska; Flooding Potential Across Guam

A powerful storm will continue to move across the western and interior portions of Alaska through Wednesday morning. Coastal flooding, high winds, heavy snow and blizzard conditions are possible. An area of low pressure may produce heavy to excessive rainfall with the possibility of flooding in Guam and the Northern Marianas Wednesday. Read More >

19NM S San Francisco CA

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:NW wind around 7 kt. Patchy fog before 2pm. Mixed swell...NW 4 ft at 9 seconds and SSW 1 ft at 17 seconds. Wind waves around 1 ft.

      NW 7kt
      4ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Patchy fog after 4am. Mixed swell...WNW 4 ft at 9 seconds and SSW 2 ft at 15 seconds. Wind waves 1 ft or less.

      Light Wind
      4ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming NW 5 to 8 kt in the morning. Sunny. Mixed swell...WNW 3 ft at 9 seconds and S 3 ft at 16 seconds. Wind waves 1 ft or less.

      ⇑NW 8kt
      3-4ft

    • Wednesday Night

      Wednesday Night:NW wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly clear. Mixed swell...NW 5 ft and S 2 ft. Wind waves 1 ft or less.

      NW 6kt⇓
      4ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Sunny. Mixed swell...WNW 3 to 4 ft and SSW 2 ft. Wind waves 1 ft or less.

      Light Wind
      3ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Partly cloudy. Mixed swell...NW 3 ft and SSW 1 to 2 ft. Wind waves 1 ft or less.

      Light Wind
      3ft

    • Friday

      Friday:Variable winds 5 kt or less. Mostly cloudy. Mixed swell...WNW 2 ft and S 2 ft becoming SW. Wind waves 1 ft or less.

      Light Wind
      2-3ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Partly cloudy. Mixed swell...W 2 ft and SSW 1 ft. Wind waves 1 ft or less.

      Light Wind
      2ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Partly sunny. Mixed swell...W 3 ft and SSW 1 ft. Wind waves 1 ft or less.

      Light Wind
      2-3ft


Associated Zone Forecast which includes this point

Last Update: 12:22 pm PDT Oct 22, 2024
Forecast Valid: 12pm PDT Oct 22, 2024-6pm PDT Oct 28, 2024

View Nearby Observations

Detailed Forecast


This Afternoon
NW wind around 7 kt. Patchy fog before 2pm. Mixed swell...NW 4 ft at 9 seconds and SSW 1 ft at 17 seconds. Wind waves around 1 ft.
Tonight
Variable winds 5 kt or less. Patchy fog after 4am. Mixed swell...WNW 4 ft at 9 seconds and SSW 2 ft at 15 seconds. Wind waves 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming NW 5 to 8 kt in the morning. Sunny. Mixed swell...WNW 3 ft at 9 seconds and S 3 ft at 16 seconds. Wind waves 1 ft or less.
Wednesday Night
NW wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly clear. Mixed swell...NW 5 ft and S 2 ft. Wind waves 1 ft or less.
Thursday
Variable winds 5 kt or less. Sunny. Mixed swell...WNW 3 to 4 ft and SSW 2 ft. Wind waves 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Partly cloudy. Mixed swell...NW 3 ft and SSW 1 to 2 ft. Wind waves 1 ft or less.
Friday
Variable winds 5 kt or less. Mostly cloudy. Mixed swell...WNW 2 ft and S 2 ft becoming SW. Wind waves 1 ft or less.
Friday Night
Variable winds 5 kt or less. Partly cloudy. Mixed swell...W 2 ft and SSW 1 ft. Wind waves 1 ft or less.
Saturday
Variable winds 5 kt or less. Partly sunny. Mixed swell...W 3 ft and SSW 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 ft at 11 seconds. ACROSS THE BAR...Mixed seas of 4 to 5 ft at 11 seconds. Maximum ebb current of 1.1 kt at 09:20 AM Tuesday and 3.3 kt at 08:07 PM Tuesday.

*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: 37.47°N 122.47°W
Last Update: 12:22 pm PDT Oct 22, 2024
Forecast Valid: 12pm PDT Oct 22, 2024-6pm PDT Oct 28, 2024
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