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Alcatraz Island, United States, San Francisco Weather

37.8252° N, 122.422° W

13.06.2026 (Saturday)
  • Good kite forecast: wind 6.1 m/s, gusts 8.6 m/s
  • Significant gusts forecast (8.6 m/s)
  • Wetsuit required (17.1°C)
14.06.2026 (Sunday)
  • Good kite forecast: wind 5.4 m/s, gusts 7.5 m/s
  • Light wind – experience required (5.4 m/s)
  • Significant gusts forecast (7.5 m/s)
  • Wetsuit required (17.2°C)
15.06.2026 (Monday)
  • Good kite forecast: wind 5.4 m/s, gusts 7.2 m/s
  • Light wind – experience required (5.4 m/s)
  • Significant gusts forecast (7.2 m/s)
  • Wetsuit required (17.1°C)
16.06.2026 (Tuesday)
  • Good kite forecast: wind 5.3 m/s, gusts 7.4 m/s
  • Light wind – experience required (5.3 m/s)
  • Significant gusts forecast (7.4 m/s)
  • Caution – too long wave period for beginners (16.6 s)
  • Wetsuit required (17.1°C)
17.06.2026 (Wednesday)
  • Good kite forecast: wind 6.1 m/s, gusts 8.1 m/s
  • Significant gusts forecast (8.1 m/s)
  • Caution – too long wave period for beginners (15.3 s)
  • Wetsuit required (17.2°C)
18.06.2026 (Thursday)
  • Good kite forecast: wind 6.5 m/s, gusts 8.1 m/s
  • Significant gusts forecast (8.1 m/s)
  • Wetsuit required (17.4°C)
*Experimental

Current Conditions in San Francisco

                                                                   
          
           
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San Francisco, Hourly Forecast

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Alcatraz Island, United States San Francisco 10-day weather forecast

Closest meteostation (3.58km):

Alcatraz Island, United States San Francisco Wind forecast

  • Wind direction is Southwest, wind speed varies between 4.5 and 11.2 mph with gusts up to 15.6 mph. The sky is clear with a chance of rain 0%.
  • Wind and wave weather forecast for Alcatraz Island, United States , United States contains detailed information about local wind speed, direction, and gusts. Wave forecast includes wave height and period.
  • These forecasts for Alcatraz Island, United States are based on the GFS model and were created for windsurfing, kitesurfing, sailing and other extreme sports activities. All data updates 4 times a day. Predictions are available in steps from 1 to 3 hours for up to 10 days.
  • Use professional weather parameters: wind barbs, weather fronts, isobars, and others. Study weather history for the past 14 years (2012-2026). Create sailing, hiking and biking routes with weather in each point.
  • Download Windy.app in the App Store and Google Play Store.

Alcatraz Island, United States, weather report: temperature, and more

The temperature low is +14°C and the high is +20°C. The sky is clear with a chance of rain 0%. 10 day weather forecast for Alcatraz Island, United States, on this page also contains accurate information about cloud coverage, moon phases, and other basic and advanced weather elements.

Alcatraz Island, United States, current weather temperature for today and the mid-range forecast are based on the major global GFS weather model with 27 km (16.7 mi) spatial resolution provided by the United States National Weather Service (NWS) of the National Oceanic and Atmospheric Administration (NOAA). All data updates 4 times a day with a forecast step of 3 hours.

If you need a 30 day temperature forecast for Alcatraz Island, United States, or a long-range temperature forecast, check the Weather History (Statistics) section of the main spot page you can find in the search or on the weather map.

It contains the day and night temperature history in Alcatraz Island, United States, and the average values for the decade. These statictics are a reanalysis of the weather forecasts from the ECMWF (European Centre for Medium-Range Weather Forecasts), the second major global weather model. The data is updated every year.

You can use this weather forecast and history by the Windy.app especially for all major sports and outdoor activities such as surfing, sailing, diving, fishing, paragliding, cycling, hiking, and others, as well as a general forecast for any situation.

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