Surf Forecasts and Marine Weather - No Hype - Just the Facts!
Active MJO Pushes East - What Effect Will Coming Inactive Phase Have? - Video Forecast HERE (12/7/25)
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: 06Z Thu 11DEC2025
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Wed 11PM 10DEC25 37.4 56.1 224 50.8 76.2 334
Thu 02AM 11DEC25 33.1 49.6 225 37.7 56.5 332
Thu 05AM 11DEC25 41.1 61.7 226 34.8 52.1 331
Thu 08AM 11DEC25 42.9 64.3 226 33.5 50.3 331
Thu 11AM 11DEC25 43.1 64.6 221 36.5 54.7 322
Thu 02PM 11DEC25 38.6 57.9 221 36.1 54.1 322
Thu 05PM 11DEC25 38.2 57.2 228 37.3 55.9 332
Thu 08PM 11DEC25 30.6 45.9 227 34.7 52.0 334
Thu 11PM 11DEC25 26.6 39.8 225 19.6 29.4 328
Fri 02AM 12DEC25 22.2 33.4 223 16.2 24.3 326
Fri 05AM 12DEC25 25.6 38.4 222 14.9 22.3 322
Fri 08AM 12DEC25 24.9 37.4 223 17.4 26.1 324
Fri 11AM 12DEC25 30.5 45.8 225 17.1 25.7 322
Fri 02PM 12DEC25 32.5 48.8 225 18.6 27.9 321
Fri 05PM 12DEC25 31.5 47.2 224 19.2 28.9 326
Fri 08PM 12DEC25 32.1 48.1 224 18.6 27.9 325
Fri 11PM 12DEC25 29.7 44.5 225 20.7 31.0 327
Sat 02AM 13DEC25 29.6 44.4 226 24.6 36.9 330
Sat 05AM 13DEC25 27.9 41.8 225 19.6 29.4 327
Sat 08AM 13DEC25 28.6 42.8 224 16.6 24.8 326
Sat 11AM 13DEC25 20.2 30.3 229 13.0 19.5 328
Sat 02PM 13DEC25 19.2 28.9 225 9.7 14.5 320
Sat 05PM 13DEC25 19.9 29.9 222 18.7 28.0 326
Sat 08PM 13DEC25 16.5 24.8 218 17.8 26.8 326
Sat 11PM 13DEC25 19.2 28.8 222 20.4 30.6 330
Sun 02AM 14DEC25 17.6 26.4 220 15.5 23.3 325
Sun 05AM 14DEC25 15.4 23.2 220 14.8 22.2 324
Sun 08AM 14DEC25 12.7 19.0 216 12.6 18.9 321
Sun 11AM 14DEC25 10.8 16.2 224 9.0 13.6 328
Sun 02PM 14DEC25 12.2 18.3 227 8.5 12.8 329
Sun 05PM 14DEC25 10.1 15.1 214 8.1 12.1 312
Sun 08PM 14DEC25 7.1 10.7 204 6.0 8.9 302
Sun 11PM 14DEC25 6.1 9.1 191 4.2 6.3 255
Mon 02AM 15DEC25 8.1 12.2 189 4.3 6.4 240
Mon 05AM 15DEC25 5.8 8.6 189 4.6 6.9 281
Mon 08AM 15DEC25 4.0 6.0 132 4.5 6.7 271
Mon 11AM 15DEC25 5.1 7.6 114 3.6 5.3 280
Mon 02PM 15DEC25 4.5 6.7 132 4.5 6.8 286
Mon 05PM 15DEC25 4.5 6.8 153 6.0 9.0 292
Mon 08PM 15DEC25 4.7 7.1 165 7.0 10.5 301
Mon 11PM 15DEC25 7.5 11.2 191 12.9 19.4 319
Tue 02AM 16DEC25 11.1 16.6 207 18.9 28.3 326
Tue 05AM 16DEC25 17.1 25.7 217 23.5 35.2 329
Tue 08AM 16DEC25 16.9 25.3 221 16.6 24.9 326
Tue 11AM 16DEC25 7.1 10.6 180 17.1 25.7 323
Tue 02PM 16DEC25 21.0 31.5 219 18.9 28.3 322
Tue 05PM 16DEC25 37.4 56.1 226 18.9 28.4 328
Tue 08PM 16DEC25 34.2 51.3 226 16.0 24.0 326
Tue 11PM 16DEC25 34.0 51.0 222 11.8 17.7 315
Wed 02AM 17DEC25 37.5 56.2 223 13.5 20.3 318
Wed 05AM 17DEC25 40.8 61.2 217 16.0 24.0 297
Wed 08AM 17DEC25 60.2 90.3 214 33.6 50.3 294
Wed 11AM 17DEC25 63.3 94.9 207 28.5 42.7 268
Wed 02PM 17DEC25 53.3 80.0 204 23.5 35.2 249
Wed 05PM 17DEC25 51.9 77.8 206 14.4 21.7 261
Wed 08PM 17DEC25 49.3 74.0 204 16.9 25.3 253
Wed 11PM 17DEC25 50.8 76.2 206 15.5 23.3 261
Thu 02AM 18DEC25 49.0 73.6 189 14.2 21.2 207
Thu 05AM 18DEC25 48.3 72.5 199 11.9 17.8 239
Thu 08AM 18DEC25 45.2 67.8 203 9.6 14.4 252
Thu 11AM 18DEC25 47.9 71.8 204 18.0 26.9 257
Thu 02PM 18DEC25 46.0 69.0 199 17.0 25.5 236
Thu 05PM 18DEC25 44.0 66.0 187 12.5 18.7 201
Thu 08PM 18DEC25 41.8 62.8 185 12.7 19.1 196
Thu 11PM 18DEC25 40.6 60.9 185 14.4 21.6 195
Fri 02AM 19DEC25 37.6 56.5 187 10.7 16.0 201
Fri 05AM 19DEC25 35.7 53.6 186 11.3 17.0 201
Fri 08AM 19DEC25 34.2 51.3 187 9.8 14.6 206
Fri 11AM 19DEC25 24.5 36.7 205 10.4 15.6 257
Fri 02PM 19DEC25 30.1 45.2 206 11.3 17.0 270
Fri 05PM 19DEC25 28.1 42.2 203 5.7 8.5 256
Fri 08PM 19DEC25 27.8 41.7 207 5.7 8.5 269
Fri 11PM 19DEC25 27.2 40.9 192 6.8 10.1 221
Sat 02AM 20DEC25 31.8 47.8 188 8.7 13.0 207
Sat 05AM 20DEC25 40.2 60.3 193 8.5 12.7 222
Sat 08AM 20DEC25 38.9 58.3 208 7.5 11.3 269
Sat 11AM 20DEC25 38.7 58.0 213 8.9 13.4 282
Sat 02PM 20DEC25 38.8 58.1 203 12.6 18.9 253
Sat 05PM 20DEC25 34.5 51.7 186 15.0 22.5 196
Sat 08PM 20DEC25 37.0 55.6 191 13.3 19.9 212
Sat 11PM 20DEC25 36.9 55.4 206 8.3 12.4 265

.
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