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 Sat 31JAN2026
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Sat 10AM 31JAN26 8.3 12.5 162 6.4 9.6 158
Sat 01PM 31JAN26 8.8 13.2 186 8.1 12.1 185
Sat 04PM 31JAN26 11.0 16.5 179 10.1 15.2 178
Sat 07PM 31JAN26 10.6 15.9 158 11.2 16.8 164
Sat 10PM 31JAN26 12.8 19.2 164 13.9 20.9 169
Sun 01AM 01FEB26 17.1 25.6 168 16.4 24.6 170
Sun 04AM 01FEB26 18.5 27.7 170 18.8 28.1 173
Sun 07AM 01FEB26 18.7 28.0 170 18.0 26.9 172
Sun 10AM 01FEB26 18.3 27.5 178 16.9 25.4 176
Sun 01PM 01FEB26 15.5 23.3 187 13.9 20.9 188
Sun 04PM 01FEB26 14.8 22.3 186 11.4 17.0 187
Sun 07PM 01FEB26 10.9 16.4 162 7.9 11.9 161
Sun 10PM 01FEB26 9.2 13.9 149 5.9 8.8 131
Mon 01AM 02FEB26 8.7 13.1 125 7.6 11.4 78
Mon 04AM 02FEB26 10.3 15.5 121 9.6 14.5 72
Mon 07AM 02FEB26 7.9 11.8 95 10.2 15.3 57
Mon 10AM 02FEB26 8.5 12.7 24 8.1 12.2 24
Mon 01PM 02FEB26 6.5 9.8 21 6.2 9.3 22
Mon 04PM 02FEB26 4.3 6.4 27 5.5 8.2 24
Mon 07PM 02FEB26 6.0 9.0 66 6.3 9.5 47
Mon 10PM 02FEB26 5.6 8.4 68 6.2 9.4 47
Tue 01AM 03FEB26 6.0 9.0 99 6.5 9.8 63
Tue 04AM 03FEB26 5.3 8.0 92 7.3 11.0 56
Tue 07AM 03FEB26 5.5 8.3 53 7.3 11.0 36
Tue 10AM 03FEB26 4.1 6.2 30 5.8 8.6 25
Tue 01PM 03FEB26 4.3 6.5 344 5.5 8.3 350
Tue 04PM 03FEB26 3.9 5.8 328 5.0 7.5 341
Tue 07PM 03FEB26 7.8 11.7 43 7.9 11.9 32
Tue 10PM 03FEB26 8.3 12.4 37 7.9 11.9 30
Wed 01AM 04FEB26 6.6 9.9 55 6.4 9.7 42
Wed 04AM 04FEB26 6.7 10.0 60 6.7 10.1 44
Wed 07AM 04FEB26 8.5 12.8 40 8.2 12.4 32
Wed 10AM 04FEB26 13.2 19.8 20 12.4 18.6 20
Wed 01PM 04FEB26 13.3 20.0 17 10.9 16.4 21
Wed 04PM 04FEB26 11.5 17.3 22 8.4 12.6 32
Wed 07PM 04FEB26 10.9 16.4 45 7.6 11.4 70
Wed 10PM 04FEB26 11.4 17.1 52 8.4 12.6 91
Thu 01AM 05FEB26 12.4 18.7 47 8.8 13.1 85
Thu 04AM 05FEB26 13.8 20.6 48 9.8 14.7 89
Thu 07AM 05FEB26 8.5 12.7 58 6.6 10.0 96
Thu 10AM 05FEB26 7.2 10.9 55 6.8 10.2 101
Thu 01PM 05FEB26 4.8 7.3 300 4.2 6.3 257
Thu 04PM 05FEB26 4.8 7.3 307 3.7 5.6 276
Thu 07PM 05FEB26 6.2 9.3 38 4.0 6.0 67
Thu 10PM 05FEB26 5.3 8.0 50 4.2 6.3 95
Fri 01AM 06FEB26 3.0 4.5 139 3.5 5.3 153
Fri 04AM 06FEB26 5.3 7.9 155 3.4 5.1 146
Fri 07AM 06FEB26 5.8 8.6 131 4.0 6.0 85
Fri 10AM 06FEB26 6.2 9.4 240 5.8 8.8 286
Fri 01PM 06FEB26 6.2 9.3 234 5.7 8.6 267
Fri 04PM 06FEB26 5.1 7.6 234 4.6 6.9 284
Fri 07PM 06FEB26 5.0 7.5 224 3.6 5.4 76
Fri 10PM 06FEB26 7.8 11.7 174 5.4 8.2 172
Sat 01AM 07FEB26 7.2 10.8 169 5.8 8.7 166
Sat 04AM 07FEB26 5.4 8.1 168 5.6 8.3 168
Sat 07AM 07FEB26 4.0 6.0 82 4.9 7.4 122
Sat 10AM 07FEB26 4.7 7.0 306 4.1 6.2 239
Sat 01PM 07FEB26 9.8 14.7 352 8.8 13.3 351
Sat 04PM 07FEB26 12.0 18.0 356 12.9 19.4 147
Sat 07PM 07FEB26 21.0 31.4 11 18.9 28.3 10
Sat 10PM 07FEB26 18.5 27.8 16 15.3 22.9 15
Sun 01AM 08FEB26 11.1 16.7 27 9.5 14.3 25
Sun 04AM 08FEB26 12.9 19.3 21 14.0 20.9 18
Sun 07AM 08FEB26 21.1 31.7 13 20.2 30.3 12
Sun 10AM 08FEB26 25.4 38.0 11 22.2 33.3 12
Sun 01PM 08FEB26 18.7 28.0 12 16.6 24.9 13
Sun 04PM 08FEB26 19.0 28.5 11 17.4 26.0 13
Sun 07PM 08FEB26 21.6 32.3 15 18.9 28.3 13
Sun 10PM 08FEB26 19.2 28.8 16 15.5 23.3 15
Mon 01AM 09FEB26 12.3 18.5 25 9.5 14.2 26
Mon 04AM 09FEB26 7.9 11.8 35 7.0 10.4 32
Mon 07AM 09FEB26 6.6 10.0 24 4.8 7.2 27
Mon 10AM 09FEB26 2.5 3.8 281 1.7 2.6 222
Mon 01PM 09FEB26 4.5 6.8 226 4.0 6.0 218
Mon 04PM 09FEB26 7.2 10.8 215 7.4 11.1 211
Mon 07PM 09FEB26 9.2 13.8 170 9.3 13.9 172
Mon 10PM 09FEB26 11.8 17.7 171 12.3 18.4 174
Tue 01AM 10FEB26 19.7 29.6 175 16.2 24.3 175
Tue 04AM 10FEB26 20.1 30.1 178 17.1 25.6 179
Tue 07AM 10FEB26 17.1 25.7 180 16.3 24.5 180
Tue 10AM 10FEB26 16.2 24.2 196 18.3 27.5 191

.
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