Surf Forecasts and Marine Weather - No Hype - Just the Facts!
Will the Fall Surf Season Ever Start? - Video HERE (10/25/26)
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: 00Z Sat 31OCT2026
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Fri 04PM 30OCT26 13.8 21.5 255 16.4 24.7 256
Fri 07PM 30OCT26 10.7 16.7 247 14.8 22.2 251
Fri 10PM 30OCT26 11.9 18.6 253 15.9 23.8 254
Sat 01AM 31OCT26 13.9 21.7 258 16.5 24.8 257
Sat 04AM 31OCT26 14.9 23.2 258 19.4 29.1 259
Sat 07AM 31OCT26 14.2 22.2 256 21.3 32.0 253
Sat 10AM 31OCT26 16.4 25.7 254 21.9 32.9 255
Sat 01PM 31OCT26 17.5 27.3 243 25.1 37.7 249
Sat 04PM 31OCT26 19.2 30.0 260 26.4 39.6 259
Sat 07PM 31OCT26 17.5 27.4 261 21.0 31.5 251
Sat 10PM 31OCT26 21.8 34.1 263 21.3 31.9 260
Sun 01AM 01NOV26 22.5 35.2 263 27.8 41.7 263
Sun 04AM 01NOV26 21.3 33.2 262 21.1 31.7 261
Sun 07AM 01NOV26 15.5 24.2 256 13.1 19.6 254
Sun 10AM 01NOV26 7.9 12.3 203 3.6 5.4 148
Sun 01PM 01NOV26 7.0 10.9 193 4.7 7.0 132
Sun 04PM 01NOV26 5.9 9.2 177 7.7 11.5 111
Sun 07PM 01NOV26 17.5 27.3 197 24.5 36.7 121
Sun 10PM 01NOV26 21.9 34.2 197 27.2 40.8 102
Mon 01AM 02NOV26 24.0 37.5 195 29.8 44.8 121
Mon 04AM 02NOV26 21.4 33.4 195 26.4 39.6 123
Mon 07AM 02NOV26 16.1 25.1 192 21.7 32.6 123
Mon 10AM 02NOV26 10.0 15.6 204 13.0 19.6 124
Mon 01PM 02NOV26 7.2 11.2 207 6.2 9.2 126
Mon 04PM 02NOV26 7.8 12.2 203 4.8 7.1 121
Mon 07PM 02NOV26 5.2 8.1 209 3.1 4.7 156
Mon 10PM 02NOV26 5.6 8.7 246 4.1 6.2 235
Tue 01AM 03NOV26 13.1 20.5 257 12.8 19.2 257
Tue 04AM 03NOV26 17.0 26.5 259 13.4 20.2 257
Tue 07AM 03NOV26 17.2 26.8 259 15.6 23.4 258
Tue 10AM 03NOV26 18.7 29.2 263 20.8 31.3 261
Tue 01PM 03NOV26 23.6 36.9 259 27.7 41.5 259
Tue 04PM 03NOV26 29.2 45.6 263 34.4 51.5 262
Tue 07PM 03NOV26 34.5 53.8 263 37.1 55.6 262
Tue 10PM 03NOV26 35.4 55.3 263 32.8 49.2 262
Wed 01AM 04NOV26 34.0 53.0 261 22.8 34.2 258
Wed 04AM 04NOV26 32.9 51.4 260 15.8 23.7 255
Wed 07AM 04NOV26 20.0 31.2 221 5.7 8.5 175
Wed 10AM 04NOV26 15.0 23.4 258 4.9 7.4 248
Wed 01PM 04NOV26 12.5 19.4 253 4.1 6.2 237
Wed 04PM 04NOV26 10.4 16.2 268 4.0 6.1 265
Wed 07PM 04NOV26 8.2 12.8 267 5.0 7.5 266
Wed 10PM 04NOV26 8.4 13.1 274 6.2 9.4 278
Thu 01AM 05NOV26 8.9 13.9 272 8.8 13.3 272
Thu 04AM 05NOV26 6.6 10.2 274 4.2 6.3 278
Thu 07AM 05NOV26 5.1 7.9 264 5.6 8.4 268
Thu 10AM 05NOV26 5.5 8.6 60 7.4 11.0 129
Thu 01PM 05NOV26 3.2 5.1 204 6.1 9.2 124
Thu 04PM 05NOV26 4.6 7.2 189 4.3 6.5 106
Thu 07PM 05NOV26 4.9 7.6 194 4.7 7.1 134
Thu 10PM 05NOV26 6.4 9.9 202 3.7 5.5 147
Fri 01AM 06NOV26 11.3 17.7 198 8.4 12.5 135
Fri 04AM 06NOV26 17.3 26.9 197 15.4 23.1 130
Fri 07AM 06NOV26 15.0 23.4 197 13.4 20.1 130
Fri 10AM 06NOV26 12.4 19.3 196 10.8 16.2 119
Fri 01PM 06NOV26 8.6 13.4 202 9.0 13.5 118
Fri 04PM 06NOV26 10.0 15.6 208 15.0 22.5 65
Fri 07PM 06NOV26 10.7 16.7 170 18.7 28.0 102
Fri 10PM 06NOV26 9.3 14.5 179 15.2 22.8 109
Sat 01AM 07NOV26 9.0 14.0 188 12.3 18.4 110
Sat 04AM 07NOV26 7.9 12.3 181 11.9 17.9 112
Sat 07AM 07NOV26 6.7 10.5 182 10.8 16.2 115
Sat 10AM 07NOV26 6.3 9.8 209 8.0 12.0 128
Sat 01PM 07NOV26 5.6 8.7 214 5.0 7.6 126
Sat 04PM 07NOV26 5.8 9.1 223 5.3 8.0 138
Sat 07PM 07NOV26 5.5 8.6 198 5.3 8.0 132
Sat 10PM 07NOV26 4.8 7.5 198 4.8 7.2 141
Sun 01AM 08NOV26 3.5 5.4 195 3.4 5.1 148
Sun 04AM 08NOV26 3.4 5.3 190 3.7 5.6 157
Sun 07AM 08NOV26 2.8 4.4 197 3.2 4.8 196
Sun 10AM 08NOV26 3.6 5.6 237 4.9 7.3 238
Sun 01PM 08NOV26 8.6 13.4 250 8.1 12.2 249
Sun 04PM 08NOV26 9.0 14.1 256 8.2 12.3 255
Sun 07PM 08NOV26 9.5 14.9 251 10.1 15.1 251
Sun 10PM 08NOV26 12.0 18.7 254 13.4 20.1 255
Mon 01AM 09NOV26 15.0 23.5 257 15.6 23.3 257
Mon 04AM 09NOV26 17.6 27.4 258 16.8 25.2 257
Mon 07AM 09NOV26 18.3 28.5 259 16.9 25.4 257
Mon 10AM 09NOV26 19.3 30.1 261 18.5 27.7 259
Mon 01PM 09NOV26 20.8 32.5 255 20.3 30.5 254
Mon 04PM 09NOV26 18.9 29.5 261 19.6 29.4 259

.
Contact | About | Disclaimer | Privacy
Advertise/Content | Links
Visit Mark Sponsler on Facebook Visit Stormsurf on Instagram Visit Stormsurf on YouTube
Copyright © 2026 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