• 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 ·
Portsmouth
 > Current Wind Graph
 > Meteogram
 > Onsite Report
 > Wind Yesterday
 > Last 7 Days
 > Wind Archive
 > Local Info
 > Sensor Notes
 > Wind Alert

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

Computer Forecasts
 > Model Tables
 > Wind Vector Fx Map

More Maps

Select a region:
 > North America 
 > Europe 
 > South America 
 > Australia & Oceania 
 > Asia 
 > Africa 
 > BC- British Columbia 
 > CA- cent coast 
 > CA- eastern 
 > CA- los angeles 
 > CA- n.coast 
 > CA- san diego ext 
 > CA- san francisco 
 > CA- sf north bay 
 > CA- sf south bay 
 > CA-bakersfield 
 > CO- Colorado 
 > CT- Connecticut 
 > DE- Delmarva 
 > FL- northeast 
 > FL- southern 
 > FL- tampa 
 > FL- western 
 > FL-biscayne bay 
 > FL-canaveral 
 > FL-central 
 > FL-panhandle 
 > GA- Tybee 
 > GA-Georgia 
 > HI-Hawaii 
 > IL- chicago area 
 > LA-MS-AL Gulf Coast 
 > LA-MS-AL Zoom 
 > MA- Cape Cod 
 > MA- marblehead 
 > MA- north coast 
 > MD - chesapeake 
 > MD- annapolis 
 > MD- ches central 
 > ME- Maine/NH 
 > MI - north 
 > MI - south 
 > MI- Detroit 
 > NC- outer banks 
 > NC-Morehead 
 > NC-Wilmington 
 > NJ - New Jersey 
 > NY- hudson 
 > NY- southeast  
 > NY- upstate 
 > NY-Larchmont 
 > OH- Ohio 
 > ON- Lake Erie 
 > ON- Lake Ontario 
 > ON- Ontario 
 > ON- Simcoe & Huron 
 > OR - coast 
 > OR- Columbia River 
 > OR- Gorge East 
 > OR- Gorge West 
 > OR- Portland 
 > QC- Montreal 
 > QC- Quebec 
 > RI- Rhode Island 
 > RI-newport 
 > RI-warwick 
 > SC- South Carolina 
 > TX- corpus christi 
 > TX- dallas lakes 
 > TX- galveston 
 > TX- southeast 
 > TX-central 
 > TX-north 
 > TX-s.coast 
 > UT- Utah 
 > VA- tidewater 
 > VT- NH / MA w/NY e 
 > WA - coast 
 > WA - eastern  
 > WA - puget sound 
 > WI - MN / IA 
 > xt_Bahamas 
 > xt_Baja California 
 > xt_Caribbean 



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: 8/15 | 8/16 | 8/17 | 8/18 | 8/19 | 8/20 | 8/21   |  >>Wind Obs Map<<

Portsmouth Computer Forecast Table - Meteogram

Help us improve this product by taking the survey!

   Quick Look  
More Hours
 NAM 12km GFS 0.5 Deg  Help
DateFriday, August 15Saturday, August 16
Time 2pm5pm8pm11pm2am5am8am11am2pm5pm8pm11pm
Wind (mph) 852333157977
Direction 
Temperature (F) 787567646259677780766562
Additional DataShow Additional Data
DateSunday, August 17Monday, August 18
Time2am5am8am11am2pm5pm8pm11pm2am5am8am11am2pm5pm8pm11pm
Wind (mph)6668961613121010116343
Direction
Temperature (F)63626678838270635855576468696256
Additional DataShow Additional Data
DateTuesday, August 19Wednesday, August 20
Time2am5am8am11am2pm5pm8pm11pm2am5am8am11am2pm5pm8pm11pm
Wind (mph)3333444544491010109
Direction
Temperature (F)56565961636462626161616465626158
Additional DataShow Additional Data
DateThursday, August 21Friday, August 22
Time2am5am8am11am2pm5pm8pm11pm2am5am8am11am2pm5pm8pm11pm
Wind (mph)99910865777668101012
Direction
Temperature (F)58575758626560575656637478786867
Additional DataShow Additional Data
DateSaturday, August 23Sunday, August 24
Time2am5am8am11am2pm5pm8pm11pm2am5am8am11am2pm5pm8pm11pm
Wind (mph)11911131411111065466577
Direction
Temperature (F)66646873767368676666667382747268
Additional DataShow Additional Data
DateMonday, August 25
Time2am5am8am11am2pm 
Wind (mph)67862 
Direction 
Temperature (F)6763677577 
Additional DataShow Additional Data

© Copyright 2025 WeatherFlow, Inc · Contact Us ·