Surf Forecasts and Marine Weather - No Hype - Just the Facts!
Are We Headed Towards El Nino? - Video Forecast HERE (1/18/26)
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
.

Mammoth - Wind Forecast
Location: 37.64N 119.02W
Base Elevation: 7953 ft
Peak Elevation: 11053 ft

 

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

 

Data

Initialized: 18Z Sun 25JAN2026
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Sun 10AM 25JAN26 9.2 13.8 129 12.2 18.3 73
Sun 01PM 25JAN26 9.6 14.4 235 10.5 15.8 289
Sun 04PM 25JAN26 7.7 11.6 235 7.5 11.2 288
Sun 07PM 25JAN26 5.7 8.6 123 4.3 6.5 87
Sun 10PM 25JAN26 5.6 8.3 146 4.5 6.7 147
Mon 01AM 26JAN26 7.5 11.3 150 8.1 12.1 160
Mon 04AM 26JAN26 9.7 14.6 156 9.9 14.8 164
Mon 07AM 26JAN26 15.7 23.5 166 13.6 20.4 169
Mon 10AM 26JAN26 13.3 19.9 181 12.6 18.9 181
Mon 01PM 26JAN26 14.3 21.4 191 13.8 20.7 190
Mon 04PM 26JAN26 13.3 19.9 184 10.0 15.0 184
Mon 07PM 26JAN26 10.8 16.2 136 6.5 9.8 98
Mon 10PM 26JAN26 9.3 14.0 140 5.6 8.4 113
Tue 01AM 27JAN26 8.7 13.1 152 5.8 8.6 150
Tue 04AM 27JAN26 11.8 17.7 161 9.6 14.5 165
Tue 07AM 27JAN26 14.1 21.1 164 12.5 18.7 168
Tue 10AM 27JAN26 12.9 19.4 179 14.0 21.1 179
Tue 01PM 27JAN26 17.2 25.7 186 16.3 24.4 185
Tue 04PM 27JAN26 16.3 24.5 188 14.7 22.1 187
Tue 07PM 27JAN26 14.9 22.3 168 10.8 16.2 169
Tue 10PM 27JAN26 12.9 19.4 165 9.0 13.5 165
Wed 01AM 28JAN26 12.7 19.0 165 9.6 14.4 166
Wed 04AM 28JAN26 9.5 14.3 127 6.7 10.1 79
Wed 07AM 28JAN26 15.4 23.1 169 11.0 16.5 170
Wed 10AM 28JAN26 13.2 19.8 200 7.6 11.4 222
Wed 01PM 28JAN26 10.9 16.4 218 6.8 10.1 256
Wed 04PM 28JAN26 8.7 13.0 233 7.2 10.8 286
Wed 07PM 28JAN26 6.6 9.9 106 6.9 10.3 65
Wed 10PM 28JAN26 5.0 7.4 80 4.9 7.3 55
Thu 01AM 29JAN26 4.8 7.2 101 3.7 5.5 76
Thu 04AM 29JAN26 5.8 8.6 138 3.9 5.8 135
Thu 07AM 29JAN26 7.5 11.2 135 5.1 7.7 110
Thu 10AM 29JAN26 5.8 8.7 128 5.6 8.5 76
Thu 01PM 29JAN26 7.3 11.0 235 7.8 11.7 291
Thu 04PM 29JAN26 3.7 5.5 267 5.0 7.5 299
Thu 07PM 29JAN26 6.5 9.7 39 5.9 8.9 31
Thu 10PM 29JAN26 4.9 7.4 73 4.2 6.4 60
Fri 01AM 30JAN26 4.7 7.1 86 4.3 6.5 65
Fri 04AM 30JAN26 4.2 6.3 106 3.5 5.2 79
Fri 07AM 30JAN26 5.6 8.4 113 4.9 7.3 73
Fri 10AM 30JAN26 6.6 9.9 144 4.1 6.1 96
Fri 01PM 30JAN26 11.3 17.0 195 8.9 13.3 196
Fri 04PM 30JAN26 11.1 16.7 192 8.5 12.8 190
Fri 07PM 30JAN26 10.5 15.7 169 8.5 12.8 168
Fri 10PM 30JAN26 13.7 20.6 168 12.1 18.2 169
Sat 01AM 31JAN26 17.1 25.7 169 15.3 22.9 170
Sat 04AM 31JAN26 18.5 27.7 171 14.8 22.2 171
Sat 07AM 31JAN26 15.4 23.0 167 11.3 16.9 165
Sat 10AM 31JAN26 13.1 19.7 179 9.8 14.7 172
Sat 01PM 31JAN26 12.0 18.0 193 11.2 16.9 193
Sat 04PM 31JAN26 14.6 21.9 190 12.7 19.1 190
Sat 07PM 31JAN26 15.0 22.6 165 10.6 15.9 161
Sat 10PM 31JAN26 14.5 21.8 160 9.2 13.8 148
Sun 01AM 01FEB26 19.0 28.5 165 13.3 20.0 160
Sun 04AM 01FEB26 15.4 23.1 140 9.5 14.3 95
Sun 07AM 01FEB26 14.3 21.4 162 9.5 14.2 156
Sun 10AM 01FEB26 11.9 17.8 184 9.9 14.9 184
Sun 01PM 01FEB26 12.5 18.7 195 12.0 18.0 194
Sun 04PM 01FEB26 12.8 19.2 194 13.0 19.4 193
Sun 07PM 01FEB26 12.1 18.2 169 10.0 14.9 171
Sun 10PM 01FEB26 13.1 19.6 166 8.6 12.9 163
Mon 01AM 02FEB26 14.1 21.2 130 10.1 15.1 76
Mon 04AM 02FEB26 14.5 21.7 127 14.0 21.0 73
Mon 07AM 02FEB26 13.4 20.1 124 15.2 22.8 71
Mon 10AM 02FEB26 8.1 12.2 229 9.4 14.1 286
Mon 01PM 02FEB26 11.5 17.2 230 9.5 14.3 278
Mon 04PM 02FEB26 10.2 15.2 234 10.3 15.4 286
Mon 07PM 02FEB26 10.9 16.4 126 8.9 13.3 75
Mon 10PM 02FEB26 10.5 15.8 128 8.5 12.7 77
Tue 01AM 03FEB26 11.4 17.1 125 11.0 16.4 73
Tue 04AM 03FEB26 11.5 17.3 120 13.8 20.7 69
Tue 07AM 03FEB26 9.8 14.7 113 12.2 18.3 66
Tue 10AM 03FEB26 6.8 10.1 130 9.7 14.5 74
Tue 01PM 03FEB26 7.1 10.7 248 10.8 16.3 298
Tue 04PM 03FEB26 7.0 10.5 247 10.9 16.3 297
Tue 07PM 03FEB26 8.0 12.1 59 11.9 17.9 37
Tue 10PM 03FEB26 9.7 14.6 34 12.1 18.1 24
Wed 01AM 04FEB26 12.5 18.8 28 17.0 25.5 18
Wed 04AM 04FEB26 12.5 18.7 23 13.1 19.7 18
Wed 07AM 04FEB26 11.0 16.6 25 9.0 13.5 25
Wed 10AM 04FEB26 6.2 9.3 43 5.1 7.6 77

.
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