Surf Forecasts and Marine Weather - No Hype - Just the Facts!
Just the Facts - No Hype! - Video Forecast HERE (6/15/25)
Buoys | Buoy Forecast | Bulletins | Models: Wave - Weather - Surf - Altimetry - Snow | Pacific Forecast | QuikCAST | El Nino | Tutorials | Great Circles | Video

Google
Create Your Own Surf Forecast
Swell Calculator
Swell Decay Tables
Sea Height Tables
Swell Category Table
.

Alta_I80 - Wind Forecast
Location: 39.20N 120.81W
Base Elevation: 3414 ft
Peak Elevation: 3414 ft

 

240 hour GFS Model (0.25 deg) - 3 hr incrememts

 

Data

Initialized: 12Z Wed 18JUN2025
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Wed 05AM 18JUN25 5.1 7.6 75 - - -
Wed 08AM 18JUN25 5.2 7.8 310 - - -
Wed 11AM 18JUN25 7.2 10.8 276 - - -
Wed 02PM 18JUN25 7.3 11.0 257 - - -
Wed 05PM 18JUN25 6.8 10.2 240 - - -
Wed 08PM 18JUN25 6.0 9.0 216 - - -
Wed 11PM 18JUN25 9.5 14.2 153 - - -
Thu 02AM 19JUN25 11.7 17.6 163 - - -
Thu 05AM 19JUN25 13.1 19.7 170 - - -
Thu 08AM 19JUN25 13.2 19.8 180 - - -
Thu 11AM 19JUN25 14.5 21.8 187 - - -
Thu 02PM 19JUN25 16.4 24.6 199 - - -
Thu 05PM 19JUN25 17.0 25.5 195 - - -
Thu 08PM 19JUN25 16.1 24.2 182 - - -
Thu 11PM 19JUN25 14.1 21.1 169 - - -
Fri 02AM 20JUN25 14.1 21.2 169 - - -
Fri 05AM 20JUN25 13.1 19.7 168 - - -
Fri 08AM 20JUN25 14.6 21.9 178 - - -
Fri 11AM 20JUN25 15.7 23.5 194 - - -
Fri 02PM 20JUN25 18.3 27.5 203 - - -
Fri 05PM 20JUN25 21.2 31.9 201 - - -
Fri 08PM 20JUN25 17.0 25.5 195 - - -
Fri 11PM 20JUN25 11.4 17.0 154 - - -
Sat 02AM 21JUN25 7.9 11.8 139 - - -
Sat 05AM 21JUN25 9.0 13.5 48 - - -
Sat 08AM 21JUN25 7.5 11.3 301 - - -
Sat 11AM 21JUN25 11.7 17.6 281 - - -
Sat 02PM 21JUN25 11.3 16.9 279 - - -
Sat 05PM 21JUN25 11.2 16.8 274 - - -
Sat 08PM 21JUN25 14.5 21.8 302 - - -
Sat 11PM 21JUN25 7.6 11.4 65 - - -
Sun 02AM 22JUN25 5.6 8.3 77 - - -
Sun 05AM 22JUN25 6.0 9.0 74 - - -
Sun 08AM 22JUN25 3.3 5.0 313 - - -
Sun 11AM 22JUN25 5.7 8.6 272 - - -
Sun 02PM 22JUN25 6.2 9.3 256 - - -
Sun 05PM 22JUN25 5.8 8.7 253 - - -
Sun 08PM 22JUN25 5.8 8.7 251 - - -
Sun 11PM 22JUN25 6.6 9.9 42 - - -
Mon 02AM 23JUN25 5.7 8.5 57 - - -
Mon 05AM 23JUN25 5.6 8.4 38 - - -
Mon 08AM 23JUN25 8.5 12.7 6 - - -
Mon 11AM 23JUN25 7.5 11.3 313 - - -
Mon 02PM 23JUN25 8.1 12.2 217 - - -
Mon 05PM 23JUN25 6.7 10.1 259 - - -
Mon 08PM 23JUN25 4.8 7.2 300 - - -
Mon 11PM 23JUN25 6.6 9.9 50 - - -
Tue 02AM 24JUN25 5.8 8.7 56 - - -
Tue 05AM 24JUN25 4.6 6.9 61 - - -
Tue 08AM 24JUN25 4.5 6.8 211 - - -
Tue 11AM 24JUN25 8.6 13.0 248 - - -
Tue 02PM 24JUN25 12.8 19.2 243 - - -
Tue 05PM 24JUN25 8.6 12.9 236 - - -
Tue 08PM 24JUN25 6.2 9.3 264 - - -
Tue 11PM 24JUN25 7.9 11.9 109 - - -
Wed 02AM 25JUN25 7.1 10.7 111 - - -
Wed 05AM 25JUN25 7.1 10.7 119 - - -
Wed 08AM 25JUN25 6.3 9.4 134 - - -
Wed 11AM 25JUN25 9.2 13.8 247 - - -
Wed 02PM 25JUN25 9.7 14.6 219 - - -
Wed 05PM 25JUN25 7.4 11.1 233 - - -
Wed 08PM 25JUN25 7.1 10.7 229 - - -
Wed 11PM 25JUN25 7.1 10.6 121 - - -
Thu 02AM 26JUN25 5.1 7.7 100 - - -
Thu 05AM 26JUN25 4.4 6.6 92 - - -
Thu 08AM 26JUN25 4.2 6.3 131 - - -
Thu 11AM 26JUN25 8.2 12.3 250 - - -
Thu 02PM 26JUN25 9.0 13.5 219 - - -
Thu 05PM 26JUN25 8.6 12.8 245 - - -
Thu 08PM 26JUN25 4.9 7.3 290 - - -
Thu 11PM 26JUN25 5.6 8.3 117 - - -
Fri 02AM 27JUN25 5.5 8.2 116 - - -
Fri 05AM 27JUN25 6.0 9.0 132 - - -
Fri 08AM 27JUN25 8.3 12.4 136 - - -
Fri 11AM 27JUN25 10.5 15.7 220 - - -
Fri 02PM 27JUN25 13.3 20.0 214 - - -
Fri 05PM 27JUN25 10.3 15.4 209 - - -
Fri 08PM 27JUN25 4.3 6.5 316 - - -
Fri 11PM 27JUN25 6.5 9.7 88 - - -
Sat 02AM 28JUN25 5.2 7.8 90 - - -
Sat 05AM 28JUN25 5.3 8.0 133 - - -

.
Contact | About | Disclaimer | Privacy
Advertise/Content | Links
Visit Mark Sponsler on Facebook Visit Stormsurf on Instagram Visit Stormsurf on YouTube
Copyright © 2025 STORMSURF - All Rights Reserved
This page cannot be duplicated, reused or framed in another window without express written permission.
But links are always welcome.
Buoys | Buoy Forecast | Bulletins | Models: Wave - Weather - Surf - Altimetry - Snow | Pacific Forecast | QuikCAST | El Nino | Tutorials | Great Circles | Calculator