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 Mon 29DEC2025
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Mon 11AM 29DEC25 19.9 29.8 224 20.6 30.9 331
Mon 02PM 29DEC25 19.5 29.3 221 20.2 30.3 325
Mon 05PM 29DEC25 16.0 23.9 220 24.4 36.6 331
Mon 08PM 29DEC25 8.8 13.2 187 20.5 30.8 329
Mon 11PM 29DEC25 7.6 11.4 196 16.1 24.2 325
Tue 02AM 30DEC25 11.8 17.7 215 13.9 20.8 321
Tue 05AM 30DEC25 20.1 30.1 219 15.6 23.4 320
Tue 08AM 30DEC25 27.2 40.8 224 22.7 34.1 328
Tue 11AM 30DEC25 25.6 38.3 226 19.1 28.7 332
Tue 02PM 30DEC25 21.8 32.6 223 13.2 19.8 326
Tue 05PM 30DEC25 19.5 29.3 221 13.0 19.5 321
Tue 08PM 30DEC25 24.1 36.1 223 18.3 27.4 326
Tue 11PM 30DEC25 22.5 33.8 223 20.8 31.2 328
Wed 02AM 31DEC25 20.1 30.2 223 19.9 29.9 327
Wed 05AM 31DEC25 20.5 30.7 222 22.2 33.3 328
Wed 08AM 31DEC25 20.6 30.9 222 19.2 28.8 327
Wed 11AM 31DEC25 23.0 34.5 226 15.3 23.0 328
Wed 02PM 31DEC25 22.3 33.5 226 12.3 18.4 326
Wed 05PM 31DEC25 20.2 30.4 222 12.7 19.1 322
Wed 08PM 31DEC25 17.6 26.3 218 8.5 12.8 309
Wed 11PM 31DEC25 16.8 25.2 188 6.5 9.7 216
Thu 02AM 01JAN26 16.5 24.7 198 4.9 7.4 245
Thu 05AM 01JAN26 23.4 35.1 193 6.0 9.0 227
Thu 08AM 01JAN26 25.1 37.7 215 7.7 11.5 297
Thu 11AM 01JAN26 29.8 44.6 224 14.0 20.9 321
Thu 02PM 01JAN26 34.4 51.6 216 16.6 24.8 304
Thu 05PM 01JAN26 30.3 45.4 226 15.1 22.6 326
Thu 08PM 01JAN26 24.4 36.6 222 11.5 17.2 318
Thu 11PM 01JAN26 24.1 36.2 223 12.8 19.2 320
Fri 02AM 02JAN26 19.9 29.9 224 13.9 20.8 324
Fri 05AM 02JAN26 25.6 38.4 225 15.2 22.8 325
Fri 08AM 02JAN26 26.3 39.5 224 13.7 20.5 323
Fri 11AM 02JAN26 27.1 40.7 223 12.5 18.8 314
Fri 02PM 02JAN26 26.7 40.0 219 12.7 19.0 309
Fri 05PM 02JAN26 26.1 39.2 224 12.9 19.4 322
Fri 08PM 02JAN26 20.7 31.0 222 11.5 17.3 321
Fri 11PM 02JAN26 18.9 28.3 221 9.0 13.5 315
Sat 02AM 03JAN26 19.9 29.8 219 9.0 13.5 311
Sat 05AM 03JAN26 22.8 34.2 213 7.0 10.5 291
Sat 08AM 03JAN26 31.1 46.6 188 8.7 13.1 209
Sat 11AM 03JAN26 38.4 57.6 198 12.0 18.0 230
Sat 02PM 03JAN26 35.4 53.1 206 16.7 25.0 264
Sat 05PM 03JAN26 30.0 45.0 217 9.3 14.0 301
Sat 08PM 03JAN26 30.5 45.7 216 9.4 14.2 299
Sat 11PM 03JAN26 26.7 40.1 191 8.8 13.2 221
Sun 02AM 04JAN26 28.9 43.3 185 11.5 17.2 202
Sun 05AM 04JAN26 33.1 49.6 185 12.6 19.0 201
Sun 08AM 04JAN26 34.6 51.8 187 10.9 16.3 207
Sun 11AM 04JAN26 34.7 52.0 194 6.9 10.3 224
Sun 02PM 04JAN26 36.7 55.1 201 12.3 18.5 243
Sun 05PM 04JAN26 40.9 61.3 190 8.8 13.2 213
Sun 08PM 04JAN26 42.8 64.2 191 8.5 12.7 217
Sun 11PM 04JAN26 42.4 63.6 193 8.5 12.8 225
Mon 02AM 05JAN26 42.7 64.0 203 7.9 11.9 256
Mon 05AM 05JAN26 39.8 59.8 218 9.5 14.2 303
Mon 08AM 05JAN26 31.9 47.8 219 8.7 13.0 307
Mon 11AM 05JAN26 27.4 41.0 201 5.4 8.1 243
Mon 02PM 05JAN26 23.9 35.8 195 7.0 10.5 222
Mon 05PM 05JAN26 30.5 45.7 201 5.8 8.7 245
Mon 08PM 05JAN26 32.0 48.1 200 5.9 8.9 245
Mon 11PM 05JAN26 31.6 47.4 205 6.1 9.2 262
Tue 02AM 06JAN26 31.6 47.5 210 6.5 9.7 279
Tue 05AM 06JAN26 31.2 46.8 210 6.3 9.5 277
Tue 08AM 06JAN26 28.6 42.9 201 5.6 8.3 248
Tue 11AM 06JAN26 23.1 34.7 201 7.0 10.5 242
Tue 02PM 06JAN26 25.5 38.2 204 15.8 23.8 249
Tue 05PM 06JAN26 33.0 49.6 201 11.0 16.5 243
Tue 08PM 06JAN26 29.8 44.7 203 7.8 11.7 250
Tue 11PM 06JAN26 24.2 36.3 207 7.9 11.8 259
Wed 02AM 07JAN26 19.8 29.7 217 8.9 13.3 325
Wed 05AM 07JAN26 29.1 43.6 219 10.4 15.6 318
Wed 08AM 07JAN26 27.1 40.6 222 14.4 21.6 325
Wed 11AM 07JAN26 21.8 32.7 211 17.4 26.0 312
Wed 02PM 07JAN26 13.0 19.5 198 16.1 24.2 313
Wed 05PM 07JAN26 10.1 15.1 196 22.2 33.3 329
Wed 08PM 07JAN26 9.3 14.0 205 20.5 30.8 329
Wed 11PM 07JAN26 9.9 14.9 203 21.8 32.7 329
Thu 02AM 08JAN26 11.6 17.4 151 29.0 43.5 330
Thu 05AM 08JAN26 9.8 14.7 172 24.3 36.5 329
Thu 08AM 08JAN26 10.8 16.2 126 22.3 33.5 326
Thu 11AM 08JAN26 4.0 5.9 122 10.6 15.9 327

.
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