• 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
 > Extended Disc.

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

Human Meteorologist Forecasts:   Tomorrow's Briefing Extended Discussion
Computer Model Data: 8/20 | 8/21 | 8/22 | 8/23 | 8/24 | 8/25 | 8/26   |  >>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
DateTuesday, August 20Wednesday, August 21
Time 5pm8pm11pm2am5am8am11am2pm5pm8pm11pm
Wind (mph) 98675368987
Direction 
Temperature (F) 6663605857576066686563
Additional DataShow Additional Data
DateThursday, August 22Friday, August 23
Time2am5am8am11am2pm5pm8pm11pm2am5am8am11am2pm5pm8pm11pm
Wind (mph)444689888778101197
Direction
Temperature (F)62615961666560575655565862615958
Additional DataShow Additional Data
DateSaturday, August 24Sunday, August 25
Time2am5am8am11am2pm5pm8pm11pm2am5am8am11am2pm5pm8pm11pm
Wind (mph)53261098442138964
Direction
Temperature (F)60596169727164626160627175756663
Additional DataShow Additional Data
DateMonday, August 26Tuesday, August 27
Time2am5am8am11am2pm5pm8pm11pm2am5am8am11am2pm5pm8pm11pm 
Wind (mph)3222978444238966 
Direction 
Temperature (F)62626571767469656464667478756764 
Additional DataShow Additional Data


 myiW | Wind & Forecasts | Forums | Classifieds | Membership | Support
like us on facebook 
© Copyright 1999-2019 WeatherFlow, Inc · Contact Us · Ad Marketplace