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
.

Alta - Wind Forecast
Location: 40.58N 111.60W
Base Elevation: 8530 ft
Peak Elevation: 10550 ft

 

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

 

Data

Initialized: 18Z Thu 11DEC2025
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Thu 11AM 11DEC25 23.3 35.0 131 21.4 32.1 68
Thu 02PM 11DEC25 26.6 39.8 129 25.8 38.6 67
Thu 05PM 11DEC25 24.9 37.3 130 25.5 38.2 69
Thu 08PM 11DEC25 21.2 31.7 130 22.9 34.3 69
Thu 11PM 11DEC25 17.4 26.1 131 19.0 28.5 71
Fri 02AM 12DEC25 15.9 23.8 132 14.9 22.4 73
Fri 05AM 12DEC25 18.1 27.2 133 14.4 21.5 74
Fri 08AM 12DEC25 19.9 29.9 133 15.2 22.8 75
Fri 11AM 12DEC25 20.0 30.1 132 14.0 20.9 70
Fri 02PM 12DEC25 20.3 30.4 230 15.8 23.7 292
Fri 05PM 12DEC25 18.5 27.7 132 16.9 25.4 69
Fri 08PM 12DEC25 17.3 26.0 131 17.7 26.6 71
Fri 11PM 12DEC25 18.1 27.2 131 17.2 25.8 71
Sat 02AM 13DEC25 18.4 27.5 133 18.7 28.0 73
Sat 05AM 13DEC25 17.8 26.7 131 19.2 28.8 71
Sat 08AM 13DEC25 15.0 22.5 131 16.5 24.8 71
Sat 11AM 13DEC25 10.8 16.2 132 12.5 18.7 69
Sat 02PM 13DEC25 9.4 14.1 227 10.4 15.6 290
Sat 05PM 13DEC25 7.6 11.4 131 8.1 12.1 71
Sat 08PM 13DEC25 4.7 7.1 131 4.7 7.1 74
Sat 11PM 13DEC25 2.4 3.6 167 2.2 3.2 151
Sun 02AM 14DEC25 4.8 7.2 177 6.0 9.0 173
Sun 05AM 14DEC25 7.2 10.7 181 8.5 12.8 177
Sun 08AM 14DEC25 8.7 13.0 178 10.2 15.3 174
Sun 11AM 14DEC25 9.7 14.5 184 12.5 18.7 180
Sun 02PM 14DEC25 13.9 20.9 179 13.5 20.3 179
Sun 05PM 14DEC25 12.5 18.7 177 11.2 16.8 175
Sun 08PM 14DEC25 10.4 15.6 174 7.6 11.4 170
Sun 11PM 14DEC25 8.4 12.6 170 5.0 7.5 158
Mon 02AM 15DEC25 10.3 15.4 137 7.2 10.8 83
Mon 05AM 15DEC25 8.3 12.4 136 8.4 12.6 76
Mon 08AM 15DEC25 8.3 12.5 140 9.5 14.2 80
Mon 11AM 15DEC25 9.5 14.2 139 11.0 16.6 74
Mon 02PM 15DEC25 11.8 17.7 134 12.2 18.4 72
Mon 05PM 15DEC25 15.1 22.6 133 14.5 21.7 74
Mon 08PM 15DEC25 16.4 24.5 138 15.4 23.1 78
Mon 11PM 15DEC25 15.9 23.9 228 14.3 21.5 292
Tue 02AM 16DEC25 17.8 26.8 132 13.5 20.2 72
Tue 05AM 16DEC25 15.9 23.9 130 14.7 22.0 69
Tue 08AM 16DEC25 20.0 30.1 135 14.4 21.6 80
Tue 11AM 16DEC25 20.9 31.4 139 11.6 17.4 88
Tue 02PM 16DEC25 24.4 36.6 154 12.9 19.3 123
Tue 05PM 16DEC25 27.0 40.5 176 17.4 26.1 172
Tue 08PM 16DEC25 33.9 50.8 168 18.5 27.8 151
Tue 11PM 16DEC25 29.9 44.8 175 20.3 30.4 165
Wed 02AM 17DEC25 43.6 65.4 177 28.0 42.0 167
Wed 05AM 17DEC25 40.5 60.7 180 25.6 38.4 174
Wed 08AM 17DEC25 37.5 56.3 188 21.4 32.0 189
Wed 11AM 17DEC25 29.5 44.3 203 17.1 25.7 243
Wed 02PM 17DEC25 28.1 42.1 183 18.3 27.5 193
Wed 05PM 17DEC25 34.6 51.8 181 25.3 38.0 181
Wed 08PM 17DEC25 37.3 55.9 185 21.6 32.4 192
Wed 11PM 17DEC25 34.5 51.8 171 20.6 30.9 156
Thu 02AM 18DEC25 30.8 46.2 179 21.6 32.5 175
Thu 05AM 18DEC25 39.5 59.3 177 24.4 36.7 169
Thu 08AM 18DEC25 44.3 66.5 179 28.4 42.7 175
Thu 11AM 18DEC25 32.0 48.1 186 22.1 33.2 189
Thu 02PM 18DEC25 28.2 42.3 191 24.1 36.2 209
Thu 05PM 18DEC25 35.9 53.9 171 26.1 39.2 181
Thu 08PM 18DEC25 38.2 57.3 183 25.0 37.6 191
Thu 11PM 18DEC25 31.0 46.4 184 21.3 32.0 187
Fri 02AM 19DEC25 29.6 44.4 176 18.6 27.9 173
Fri 05AM 19DEC25 32.0 48.0 176 20.6 30.9 171
Fri 08AM 19DEC25 26.6 40.0 185 15.7 23.6 185
Fri 11AM 19DEC25 22.8 34.1 183 17.3 25.9 183
Fri 02PM 19DEC25 19.9 29.8 182 19.7 29.6 182
Fri 05PM 19DEC25 22.9 34.3 180 15.1 22.6 178
Fri 08PM 19DEC25 31.5 47.2 175 19.1 28.7 169
Fri 11PM 19DEC25 23.4 35.2 191 14.4 21.6 195
Sat 02AM 20DEC25 22.2 33.2 223 13.2 19.7 266
Sat 05AM 20DEC25 26.3 39.4 216 14.7 22.1 263
Sat 08AM 20DEC25 26.7 40.0 224 16.4 24.6 280
Sat 11AM 20DEC25 26.6 40.0 223 17.7 26.5 281
Sat 02PM 20DEC25 26.5 39.7 227 19.2 28.9 285
Sat 05PM 20DEC25 25.3 38.0 227 18.3 27.4 288
Sat 08PM 20DEC25 24.8 37.2 231 17.2 25.8 292
Sat 11PM 20DEC25 24.2 36.3 140 14.7 22.1 86
Sun 02AM 21DEC25 29.8 44.8 139 19.6 29.4 85
Sun 05AM 21DEC25 27.8 41.7 138 19.0 28.4 84
Sun 08AM 21DEC25 26.3 39.4 169 16.2 24.3 151
Sun 11AM 21DEC25 25.8 38.6 178 19.2 28.8 172

.
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