Surf Forecasts and Marine Weather - No Hype - Just the Facts!
Really - Is Another Westerly Wind Burst Forecast? - Video Forecast HERE (1/25/26) - New Server
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 Thu 29JAN2026
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Thu 10AM 29JAN26 11.0 16.4 128 14.1 21.2 72
Thu 01PM 29JAN26 13.9 20.9 133 16.0 23.9 75
Thu 04PM 29JAN26 14.3 21.4 129 14.0 21.0 74
Thu 07PM 29JAN26 15.6 23.4 121 17.4 26.1 69
Thu 10PM 29JAN26 14.5 21.7 119 17.2 25.9 68
Fri 01AM 30JAN26 12.9 19.4 119 14.8 22.2 68
Fri 04AM 30JAN26 13.5 20.3 125 11.8 17.6 73
Fri 07AM 30JAN26 13.1 19.7 124 10.8 16.2 72
Fri 10AM 30JAN26 12.7 19.0 134 9.6 14.4 76
Fri 01PM 30JAN26 12.3 18.5 222 8.1 12.1 267
Fri 04PM 30JAN26 14.2 21.3 139 9.5 14.3 76
Fri 07PM 30JAN26 13.1 19.6 132 8.7 13.1 85
Fri 10PM 30JAN26 12.0 18.0 132 8.0 12.0 84
Sat 01AM 31JAN26 11.9 17.8 156 7.5 11.2 148
Sat 04AM 31JAN26 12.1 18.2 161 8.4 12.6 160
Sat 07AM 31JAN26 11.4 17.1 160 9.0 13.5 162
Sat 10AM 31JAN26 10.6 15.9 174 9.6 14.3 173
Sat 01PM 31JAN26 12.3 18.4 189 10.9 16.4 188
Sat 04PM 31JAN26 10.8 16.3 188 9.8 14.6 188
Sat 07PM 31JAN26 9.5 14.2 158 9.9 14.9 163
Sat 10PM 31JAN26 10.7 16.1 160 11.8 17.7 165
Sun 01AM 01FEB26 13.6 20.4 166 14.7 22.0 169
Sun 04AM 01FEB26 12.1 18.2 166 14.0 21.0 170
Sun 07AM 01FEB26 12.7 19.1 165 14.7 22.1 169
Sun 10AM 01FEB26 13.9 20.9 178 15.7 23.6 179
Sun 01PM 01FEB26 13.6 20.3 196 14.4 21.5 193
Sun 04PM 01FEB26 14.3 21.5 192 12.0 17.9 192
Sun 07PM 01FEB26 13.6 20.4 171 11.1 16.7 172
Sun 10PM 01FEB26 13.1 19.7 169 11.3 16.9 170
Mon 01AM 02FEB26 14.8 22.1 169 10.6 15.9 168
Mon 04AM 02FEB26 11.1 16.7 141 6.7 10.1 102
Mon 07AM 02FEB26 8.8 13.2 127 7.3 10.9 78
Mon 10AM 02FEB26 6.2 9.2 139 5.9 8.9 76
Mon 01PM 02FEB26 6.9 10.3 241 7.0 10.5 289
Mon 04PM 02FEB26 7.4 11.1 240 8.4 12.6 290
Mon 07PM 02FEB26 6.9 10.4 100 8.1 12.1 62
Mon 10PM 02FEB26 6.7 10.1 78 7.8 11.8 51
Tue 01AM 03FEB26 6.8 10.2 89 7.4 11.1 58
Tue 04AM 03FEB26 7.2 10.8 80 9.6 14.4 49
Tue 07AM 03FEB26 8.6 12.9 43 9.8 14.7 31
Tue 10AM 03FEB26 7.2 10.8 21 8.3 12.4 19
Tue 01PM 03FEB26 5.3 7.9 320 7.3 11.0 335
Tue 04PM 03FEB26 5.8 8.8 323 8.4 12.6 336
Tue 07PM 03FEB26 7.4 11.2 44 9.0 13.5 30
Tue 10PM 03FEB26 9.3 14.0 32 9.6 14.4 24
Wed 01AM 04FEB26 10.6 15.9 27 9.9 14.9 22
Wed 04AM 04FEB26 12.1 18.2 27 11.0 16.5 23
Wed 07AM 04FEB26 13.3 19.9 26 10.5 15.8 26
Wed 10AM 04FEB26 10.4 15.6 30 7.7 11.5 46
Wed 01PM 04FEB26 4.6 6.9 40 3.9 5.9 58
Wed 04PM 04FEB26 5.9 8.9 23 4.7 7.1 32
Wed 07PM 04FEB26 8.8 13.1 44 6.1 9.2 57
Wed 10PM 04FEB26 8.9 13.4 52 6.4 9.6 82
Thu 01AM 05FEB26 7.5 11.3 63 6.1 9.1 96
Thu 04AM 05FEB26 7.5 11.3 54 5.5 8.3 74
Thu 07AM 05FEB26 9.8 14.7 50 7.0 10.5 80
Thu 10AM 05FEB26 8.2 12.3 48 6.8 10.1 88
Thu 01PM 05FEB26 4.2 6.3 301 3.6 5.4 243
Thu 04PM 05FEB26 5.9 8.8 329 3.6 5.4 316
Thu 07PM 05FEB26 8.1 12.1 51 5.7 8.5 78
Thu 10PM 05FEB26 7.5 11.3 63 6.7 10.1 103
Fri 01AM 06FEB26 5.0 7.6 99 6.0 9.0 126
Fri 04AM 06FEB26 4.5 6.8 147 4.5 6.7 152
Fri 07AM 06FEB26 3.8 5.7 142 2.8 4.2 138
Fri 10AM 06FEB26 5.1 7.6 203 4.5 6.8 201
Fri 01PM 06FEB26 6.0 9.0 224 5.7 8.6 223
Fri 04PM 06FEB26 4.1 6.1 252 3.9 5.9 250
Fri 07PM 06FEB26 2.9 4.4 119 3.8 5.7 141
Fri 10PM 06FEB26 3.7 5.6 114 5.3 7.9 138
Sat 01AM 07FEB26 5.3 8.0 157 6.2 9.4 162
Sat 04AM 07FEB26 5.3 7.9 150 5.3 8.0 157
Sat 07AM 07FEB26 3.1 4.6 116 3.1 4.6 130
Sat 10AM 07FEB26 1.9 2.9 294 2.2 3.3 253
Sat 01PM 07FEB26 3.9 5.8 286 3.6 5.3 295
Sat 04PM 07FEB26 2.8 4.2 314 3.7 5.6 321
Sat 07PM 07FEB26 7.7 11.5 94 5.5 8.3 206
Sat 10PM 07FEB26 6.4 9.6 17 4.6 6.9 21
Sun 01AM 08FEB26 4.1 6.2 50 3.3 4.9 62
Sun 04AM 08FEB26 4.3 6.4 58 4.3 6.4 42
Sun 07AM 08FEB26 3.9 5.8 70 4.5 6.7 47
Sun 10AM 08FEB26 2.7 4.1 274 4.1 6.2 309

.
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