Surf Forecasts and Marine Weather - No Hype - Just the Facts!
Will the Jetstream Ever Heal? - Video Forecast HERE (12/28/25)
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
.

Arapahoe_Basin - Wind Forecast
Location: 39.62N 105.87W
Base Elevation: 10863 ft
Peak Elevation: 12485 ft

 

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

 

Data

Initialized: 12Z Mon 29DEC2025
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Mon 05AM 29DEC25 19.1 28.7 221 18.8 28.3 328
Mon 08AM 29DEC25 21.5 32.3 223 19.3 29.0 328
Mon 11AM 29DEC25 19.7 29.6 224 19.4 29.1 331
Mon 02PM 29DEC25 17.0 25.6 218 20.5 30.7 325
Mon 05PM 29DEC25 13.5 20.2 217 23.3 34.9 330
Mon 08PM 29DEC25 8.5 12.7 191 19.2 28.8 328
Mon 11PM 29DEC25 8.5 12.7 204 17.0 25.5 326
Tue 02AM 30DEC25 13.4 20.0 217 15.3 22.9 323
Tue 05AM 30DEC25 19.5 29.2 218 15.5 23.2 320
Tue 08AM 30DEC25 24.9 37.4 223 21.7 32.6 327
Tue 11AM 30DEC25 27.2 40.8 226 21.1 31.7 333
Tue 02PM 30DEC25 24.7 37.0 226 14.5 21.8 329
Tue 05PM 30DEC25 21.4 32.2 222 13.5 20.3 322
Tue 08PM 30DEC25 22.3 33.5 223 16.9 25.3 324
Tue 11PM 30DEC25 22.6 33.9 223 19.3 29.0 327
Wed 02AM 31DEC25 21.6 32.4 223 20.0 30.0 327
Wed 05AM 31DEC25 18.6 27.9 220 22.0 32.9 328
Wed 08AM 31DEC25 18.1 27.1 221 18.3 27.5 326
Wed 11AM 31DEC25 19.5 29.3 225 14.1 21.2 327
Wed 02PM 31DEC25 21.3 32.0 222 10.5 15.8 320
Wed 05PM 31DEC25 19.9 29.9 220 12.0 17.9 320
Wed 08PM 31DEC25 16.6 25.0 208 5.6 8.4 276
Wed 11PM 31DEC25 18.5 27.7 190 6.3 9.5 218
Thu 02AM 01JAN26 18.1 27.1 194 5.4 8.1 233
Thu 05AM 01JAN26 26.0 39.0 197 5.7 8.5 239
Thu 08AM 01JAN26 31.4 47.0 220 10.2 15.3 311
Thu 11AM 01JAN26 32.0 48.0 224 12.6 18.9 320
Thu 02PM 01JAN26 30.8 46.2 213 11.6 17.4 292
Thu 05PM 01JAN26 27.0 40.5 219 8.4 12.6 307
Thu 08PM 01JAN26 24.9 37.4 221 9.0 13.4 313
Thu 11PM 01JAN26 24.5 36.8 223 7.8 11.6 315
Fri 02AM 02JAN26 25.4 38.1 223 9.5 14.3 316
Fri 05AM 02JAN26 27.1 40.7 224 12.8 19.2 321
Fri 08AM 02JAN26 30.2 45.2 224 12.0 18.0 320
Fri 11AM 02JAN26 30.6 46.0 221 16.3 24.5 313
Fri 02PM 02JAN26 28.6 43.0 219 19.7 29.5 315
Fri 05PM 02JAN26 27.4 41.2 226 21.1 31.6 330
Fri 08PM 02JAN26 22.4 33.6 223 14.1 21.2 325
Fri 11PM 02JAN26 18.0 27.0 220 10.3 15.5 317
Sat 02AM 03JAN26 20.3 30.4 216 8.0 12.0 303
Sat 05AM 03JAN26 22.4 33.6 216 7.0 10.5 299
Sat 08AM 03JAN26 22.1 33.2 217 7.5 11.3 303
Sat 11AM 03JAN26 24.7 37.0 211 4.8 7.2 273
Sat 02PM 03JAN26 38.2 57.3 201 15.2 22.9 245
Sat 05PM 03JAN26 32.0 47.9 211 8.1 12.2 283
Sat 08PM 03JAN26 27.7 41.5 212 8.6 13.0 289
Sat 11PM 03JAN26 27.3 41.0 217 10.1 15.2 302
Sun 02AM 04JAN26 26.7 40.0 213 9.3 14.0 292
Sun 05AM 04JAN26 25.7 38.6 207 7.5 11.3 273
Sun 08AM 04JAN26 26.5 39.7 196 6.6 9.9 233
Sun 11AM 04JAN26 27.1 40.7 188 6.2 9.2 196
Sun 02PM 04JAN26 31.9 47.9 203 11.4 17.1 246
Sun 05PM 04JAN26 36.0 54.0 195 8.3 12.4 227
Sun 08PM 04JAN26 36.7 55.0 209 7.6 11.4 277
Sun 11PM 04JAN26 34.9 52.3 221 10.7 16.1 312
Mon 02AM 05JAN26 33.1 49.7 217 8.7 13.0 301
Mon 05AM 05JAN26 30.1 45.2 216 8.3 12.5 297
Mon 08AM 05JAN26 27.5 41.3 211 7.0 10.5 283
Mon 11AM 05JAN26 27.9 41.8 204 5.4 8.1 256
Mon 02PM 05JAN26 27.2 40.8 203 8.4 12.6 257
Mon 05PM 05JAN26 26.2 39.4 200 5.2 7.8 254
Mon 08PM 05JAN26 27.7 41.5 202 5.5 8.2 250
Mon 11PM 05JAN26 28.7 43.1 215 7.5 11.2 295
Tue 02AM 06JAN26 30.4 45.6 217 8.4 12.6 298
Tue 05AM 06JAN26 30.4 45.6 216 11.4 17.0 295
Tue 08AM 06JAN26 24.9 37.4 226 14.3 21.5 326
Tue 11AM 06JAN26 25.5 38.2 207 14.7 22.0 276
Tue 02PM 06JAN26 24.5 36.8 202 16.1 24.1 271
Tue 05PM 06JAN26 25.2 37.9 221 14.9 22.3 319
Tue 08PM 06JAN26 27.7 41.6 222 19.3 29.0 322
Tue 11PM 06JAN26 25.2 37.8 225 15.6 23.4 326
Wed 02AM 07JAN26 22.6 33.9 226 18.8 28.2 329
Wed 05AM 07JAN26 23.1 34.7 225 24.4 36.6 331
Wed 08AM 07JAN26 14.8 22.2 218 23.7 35.6 331
Wed 11AM 07JAN26 7.8 11.7 188 15.7 23.5 323
Wed 02PM 07JAN26 11.6 17.4 212 12.7 19.0 320
Wed 05PM 07JAN26 14.3 21.5 219 15.4 23.0 326
Wed 08PM 07JAN26 16.0 24.1 220 16.5 24.8 326
Wed 11PM 07JAN26 11.7 17.5 216 16.8 25.3 327
Thu 02AM 08JAN26 18.6 27.9 222 21.4 32.2 330
Thu 05AM 08JAN26 26.7 40.1 224 24.4 36.6 330

.
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