• CLASSIC IWINDSURF
    Classic myiWindsurfClassic Wind & Weather maps and graphs
Hello Guest
 • 

Classic iWindsurf
kiter? see iKitesurf.com
Grab the iWindsurf Mobile App & Sign On to the New iWindsurf Website
Hi guest · Get your free membership now · Log In ·
Alcatraz
 > Current Wind Graph
 > Meteogram
 > Onsite Report
 > Wind Yesterday
 > Last 7 Days
 > Wind Archive
 > Tides
 > Local Info
 > Sensor Notes
CA- sf north bay

Human Forecasts
 > Daily Briefing
 > Baja Guide
 > Forecast Blog

Real-Time Data
 > Dynamic Map
 > Wind Obs Map
 > Radar + Satellite Map
 > Wind Obs Summary
 > Pressure Report

Computer Forecasts
 > Model Tables
 > Wind Vector Fx Map
 > Wind FlowViz Fx Map
 > Tidal Currents Map

More Maps

Other Resources

Watches/Warnings
>None Active




New iWindsurf: Select your region for wind observations & forecasts:
North America | Europe | South America | Australia & Oceania | Asia | Africa

Computer Model Data: 2/05 | 2/06 | 2/07 | 2/08 | 2/09 | 2/10 | 2/11   |  >>Wind Obs Map<<

Alcatraz Computer Forecast Table - Meteogram

Help us improve this product by taking the survey!

   Quick Look  
More Hours
 Beta-WRF 1km WF-WRF 3km - SF Bay NAM 12km GFS 0.5 Deg  Help
DateThursday, February 05Friday, February 06
Time 4pm7pm10pm1am4am7am10am1pm4pm7pm10pm
Wind (mph) 45321236544
Direction 
Temperature (F) 6462605756545353535251
Additional DataShow Additional Data
DateSaturday, February 07Sunday, February 08
Time1am4am7am10am1pm4pm7pm10pm1am4am7am10am1pm4pm7pm10pm
Wind (mph)5425554435427655
Direction
Temperature (F)50505050525352515453535861615857
Additional DataShow Additional Data
DateMonday, February 09Tuesday, February 10
Time1am4am7am10am1pm4pm7pm10pm1am4am7am10am1pm4pm7pm10pm
Wind (mph)66654243346912851
Direction
Temperature (F)55535255585955545353525554525150
Additional DataShow Additional Data
DateWednesday, February 11Thursday, February 12
Time1am4am7am10am1pm4pm7pm10pm1am4am7am10am1pm4pm7pm10pm
Wind (mph)22010366454341086
Direction
Temperature (F)49494853555552504948475357575150
Additional DataShow Additional Data
DateFriday, February 13Saturday, February 14
Time1am4am7am10am1pm4pm7pm10pm1am4am7am10am1pm4pm7pm10pm
Wind (mph)776691214151514101114182715
Direction
Temperature (F)48474752535250484746444951504643
Additional DataShow Additional Data
DateSunday, February 15
Time1am4am7am10am 
Wind (mph)61069 
Direction 
Temperature (F)45464647 
Additional DataShow Additional Data

© Copyright 2026 WeatherFlow, Inc · Contact Us ·