iWindsurf.com - Wind Forecasts

CLASSIC IWINDSURF

Hello Guest

•

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 south 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

>Radar
>Satellite
>General Weather
>Comfort Index
>Pressure / Isobar fx
>Storm Prediction
>Tidal Heights
>Water Temp
>Wind Obs + Gust

Other Resources

>Coastal Waters Forecast
>Sea Surface Temps
>Swell Model Map

Watches/Warnings
>None Active

Home : xt_USA : xt_California : CA- san francisco : CA- sf south bay : Alcatraz : Forecast Graphs

Human Meteorologist Forecasts: Today's Briefing Extended Discussion

Computer Model Data: 10/15 | 10/16 | 10/17 | 10/18 | 10/19 | 10/20 | 10/21 | >>Wind Obs Map<<

Alcatraz Computer Forecast Table - Meteogram

Help us improve this product by taking the survey!

Quick Look
More Hours

Date	Wednesday, October 15								Thursday, October 16
Time		5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)		3	3	2	3	4	4	5	4	3	1	1	4	5	3	3
Direction
Temperature (F)		56	56	58	60	62	61	58	54	53	52	53	54	56	55	54
Model	NAM 12km								NAM 12km
Model Run		10/15 12z	10/15 12z	10/15 12z	10/15 12z	10/15 12z	10/15 12z	10/15 12z	10/15 12z	10/15 12z	10/15 12z	10/15 12z	10/15 12z	10/15 12z	10/15 12z	10/15 12z
Precipitation (in)
Pressure (mb)		1016	1017	1019	1019	1018	1019	1020	1020	1019	1019	1020	1018	1017	1016	1016
Visibility (mi)
Cloud Cover (%)		100	100	80	20	20	11	17	77	100	100	100	98	77	77	94
Additional Data	Show Additional Data
Date	Friday, October 17								Saturday, October 18
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	3	2	1	2	2	3	3	2	1	2	4	4	1	4	6	5
Direction
Temperature (F)	54	53	53	54	62	64	59	57	60	60	60	65	68	68	62	60
Model	NAM 12km								GFS 0.5 Deg
Model Run	10/15 12z	10/15 12z	10/15 12z	10/15 12z	10/15 12z	10/15 12z	10/15 12z	10/15 12z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z
Precipitation (in)
Pressure (mb)	1016	1016	1017	1017	1016	1015	1015	1015	1014	1014	1015	1016	1015	1014	1015	1016
Visibility (mi)
Cloud Cover (%)	100	100	94	61	12	8	10	34
Additional Data	Show Additional Data
Date	Sunday, October 19								Monday, October 20
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	5	5	5	8	10	8	9	10	8	8	8	10	6	7	9	6
Direction
Temperature (F)	59	58	57	61	64	60	57	55	54	53	53	59	62	62	57	57
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z
Precipitation (in)
Pressure (mb)	1016	1015	1015	1016	1014	1014	1015	1015	1015	1015	1016	1017	1016	1015	1016	1017
Visibility (mi)
Cloud Cover (%)						40
Additional Data	Show Additional Data
Date	Tuesday, October 21								Wednesday, October 22
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	6	4	2	1	3	2	5	4	2	3	4	5	4	4	5	3
Direction
Temperature (F)	55	55	55	61	63	64	60	59	58	58	57	63	67	68	62	60
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z
Precipitation (in)
Pressure (mb)	1017	1018	1019	1020	1018	1017	1018	1019	1018	1019	1020	1020	1019	1018	1019	1019
Visibility (mi)
Cloud Cover (%)
Additional Data	Show Additional Data
Date	Thursday, October 23								Friday, October 24
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	4	4	5	5	4	3	4	2	3	4	4	3	4	6	5	4
Direction
Temperature (F)	59	59	58	63	68	68	63	62	61	60	57	63	67	66	60	59
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z	10/15 06z
Precipitation (in)
Pressure (mb)	1019	1019	1019	1019	1017	1016	1017	1017	1017	1017	1019	1020	1018	1017	1019	1019
Visibility (mi)
Cloud Cover (%)
Additional Data	Show Additional Data