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: 18Z Sun 28DEC2025
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Sun 11AM 28DEC25 38.6 57.9 221 32.3 48.4 319
Sun 02PM 28DEC25 40.6 60.9 217 41.5 62.3 322
Sun 05PM 28DEC25 34.4 51.7 226 37.8 56.7 334
Sun 08PM 28DEC25 22.9 34.4 223 20.6 31.0 331
Sun 11PM 28DEC25 13.6 20.3 216 16.8 25.2 327
Mon 02AM 29DEC25 12.0 18.0 216 15.3 23.0 326
Mon 05AM 29DEC25 15.7 23.6 219 14.5 21.8 325
Mon 08AM 29DEC25 16.2 24.3 220 13.4 20.1 324
Mon 11AM 29DEC25 15.3 22.9 226 14.5 21.7 330
Mon 02PM 29DEC25 15.5 23.3 220 16.0 24.0 325
Mon 05PM 29DEC25 15.5 23.2 218 20.2 30.3 328
Mon 08PM 29DEC25 10.8 16.2 210 19.5 29.2 328
Mon 11PM 29DEC25 8.1 12.2 197 16.4 24.6 325
Tue 02AM 30DEC25 12.4 18.7 216 14.3 21.5 323
Tue 05AM 30DEC25 17.5 26.2 219 16.2 24.3 322
Tue 08AM 30DEC25 23.5 35.3 222 21.0 31.5 327
Tue 11AM 30DEC25 24.7 37.0 227 18.1 27.1 331
Tue 02PM 30DEC25 21.7 32.6 224 13.8 20.7 326
Tue 05PM 30DEC25 20.0 29.9 220 10.4 15.6 318
Tue 08PM 30DEC25 19.8 29.7 220 11.8 17.7 318
Tue 11PM 30DEC25 20.1 30.2 222 22.3 33.5 329
Wed 02AM 31DEC25 20.5 30.8 223 22.6 33.8 329
Wed 05AM 31DEC25 13.3 19.9 215 22.5 33.8 329
Wed 08AM 31DEC25 10.1 15.2 207 18.8 28.2 326
Wed 11AM 31DEC25 7.4 11.1 210 13.6 20.4 325
Wed 02PM 31DEC25 15.6 23.4 220 12.5 18.7 323
Wed 05PM 31DEC25 18.7 28.1 219 11.0 16.5 316
Wed 08PM 31DEC25 19.5 29.2 220 11.5 17.2 319
Wed 11PM 31DEC25 21.0 31.4 221 11.9 17.8 320
Thu 02AM 01JAN26 21.1 31.6 218 8.2 12.3 308
Thu 05AM 01JAN26 18.3 27.5 212 6.4 9.7 288
Thu 08AM 01JAN26 11.0 16.5 196 4.7 7.1 252
Thu 11AM 01JAN26 24.4 36.6 197 3.6 5.4 238
Thu 02PM 01JAN26 26.2 39.2 221 7.4 11.1 312
Thu 05PM 01JAN26 25.3 37.9 220 9.3 14.0 313
Thu 08PM 01JAN26 26.6 39.9 223 12.2 18.3 321
Thu 11PM 01JAN26 23.4 35.1 221 8.7 13.0 313
Fri 02AM 02JAN26 25.0 37.6 222 11.6 17.3 317
Fri 05AM 02JAN26 33.5 50.3 225 14.9 22.4 323
Fri 08AM 02JAN26 28.5 42.8 226 19.9 29.8 328
Fri 11AM 02JAN26 26.1 39.2 222 18.8 28.3 319
Fri 02PM 02JAN26 26.7 40.1 218 16.3 24.5 314
Fri 05PM 02JAN26 24.9 37.3 225 17.3 26.0 327
Fri 08PM 02JAN26 22.3 33.5 223 12.6 18.9 323
Fri 11PM 02JAN26 21.9 32.9 219 8.6 12.8 310
Sat 02AM 03JAN26 25.0 37.6 222 9.8 14.7 316
Sat 05AM 03JAN26 31.0 46.5 221 8.6 13.0 312
Sat 08AM 03JAN26 31.1 46.7 199 5.7 8.5 240
Sat 11AM 03JAN26 27.4 41.1 196 5.0 7.6 224
Sat 02PM 03JAN26 31.8 47.6 201 11.5 17.2 239
Sat 05PM 03JAN26 31.7 47.6 192 8.2 12.3 218
Sat 08PM 03JAN26 29.5 44.3 189 9.2 13.8 213
Sat 11PM 03JAN26 27.7 41.5 190 10.2 15.3 216
Sun 02AM 04JAN26 26.3 39.4 192 10.2 15.3 224
Sun 05AM 04JAN26 28.8 43.2 189 12.1 18.1 212
Sun 08AM 04JAN26 32.2 48.3 187 12.2 18.3 205
Sun 11AM 04JAN26 34.8 52.3 194 15.1 22.7 217
Sun 02PM 04JAN26 37.5 56.3 197 19.6 29.4 222
Sun 05PM 04JAN26 34.9 52.4 186 20.2 30.2 194
Sun 08PM 04JAN26 34.8 52.2 189 20.6 31.0 199
Sun 11PM 04JAN26 38.7 58.0 184 14.9 22.4 192
Mon 02AM 05JAN26 32.8 49.3 215 24.2 36.3 315
Mon 05AM 05JAN26 33.4 50.1 222 18.0 27.1 321
Mon 08AM 05JAN26 34.9 52.3 225 22.6 33.9 328
Mon 11AM 05JAN26 33.8 50.7 221 21.6 32.4 320
Mon 02PM 05JAN26 31.7 47.6 217 10.2 15.2 303
Mon 05PM 05JAN26 26.8 40.2 195 5.8 8.7 234
Mon 08PM 05JAN26 27.7 41.5 186 9.3 14.0 200
Mon 11PM 05JAN26 32.2 48.3 186 8.8 13.2 202
Tue 02AM 06JAN26 32.6 48.9 189 9.4 14.1 209
Tue 05AM 06JAN26 29.6 44.4 191 9.1 13.6 216
Tue 08AM 06JAN26 26.9 40.3 186 11.7 17.5 201
Tue 11AM 06JAN26 25.9 38.8 197 12.6 18.9 224
Tue 02PM 06JAN26 21.2 31.8 203 16.1 24.2 229
Tue 05PM 06JAN26 22.3 33.5 201 7.6 11.5 246
Tue 08PM 06JAN26 21.2 31.7 194 4.6 6.9 233
Tue 11PM 06JAN26 19.0 28.4 204 4.1 6.1 266
Wed 02AM 07JAN26 14.8 22.2 206 3.6 5.4 275
Wed 05AM 07JAN26 12.2 18.3 210 4.4 6.6 295
Wed 08AM 07JAN26 9.2 13.7 209 5.8 8.7 304
Wed 11AM 07JAN26 10.5 15.7 217 6.3 9.5 309

.
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