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

Classic iWindsurf
kiter? see iKitesurf.com
We're curious: Are you a windsurfer or a kiter?         
Classic iWindsurf is here to stay. Our new Wind & Weather tools are also available to you. More info
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
>Non-Precipitation Watch/Warning/Advisory
>Red Flag Warning; Fire Weather Watch




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

Computer Model Data: 12/15 | 12/16 | 12/17 | 12/18 | 12/19 | 12/20 | 12/21   |  >>Wind Obs Map<<

Alcatraz Computer Forecast Table - Meteogram

Help us improve this product by taking the survey!

   Quick Look  
More Hours
 WF-WRF 1km - SF Bay WF-WRF 3km - SF Bay NAM 12km GFS 0.5 Deg  Help
DateFriday, December 15Saturday, December 16
Time 10am1pm4pm7pm10pm1am4am7am10am1pm4pm7pm10pm
Wind (mph) 4546667101620171615
Direction 
Temperature (F) 52565754535250495256575452
Additional DataShow Additional Data
DateSunday, December 17Monday, December 18
Time1am4am7am10am1pm4pm7pm10pm1am4am7am10am1pm4pm7pm10pm
Wind (mph)1412108732134444233
Direction
Temperature (F)50474648555755545352505561605654
Additional DataShow Additional Data
DateTuesday, December 19Wednesday, December 20
Time1am4am7am10am1pm4pm7pm10pm1am4am7am10am1pm4pm7pm10pm
Wind (mph)3433312324581512913
Direction
Temperature (F)53515056616056545352525656575351
Additional DataShow Additional Data
DateThursday, December 21Friday, December 22
Time1am4am7am10am1pm4pm7pm10pm1am4am7am10am1pm4pm7pm10pm 
Wind (mph)1516181820171919191714141410106 
Direction 
Temperature (F)50484852575654535252515762615755 
Additional DataShow Additional Data


 myiW | Wind & Forecasts | Forums | Classifieds | Membership | Support
like us on facebook 
© Copyright 1999-2017 WeatherFlow, Inc · Contact Us · Ad Marketplace