Surf Forecasts and Marine Weather - No Hype - Just the Facts!
El Nino Forecast Surges - Is It Finally Getting Real? - Video HERE (5/24/26)
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: 06Z Mon 25MAY2026
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Sun 10PM 24MAY26 3.0 4.7 185 2.9 4.3 222
Mon 01AM 25MAY26 6.3 9.9 169 5.8 8.8 234
Mon 04AM 25MAY26 6.1 9.5 174 7.4 11.2 228
Mon 07AM 25MAY26 3.8 5.9 207 6.8 10.2 231
Mon 10AM 25MAY26 5.8 9.0 245 7.4 11.1 245
Mon 01PM 25MAY26 12.9 20.1 214 11.8 17.8 212
Mon 04PM 25MAY26 16.8 26.2 226 16.7 25.1 222
Mon 07PM 25MAY26 14.1 22.0 244 10.6 15.9 229
Mon 10PM 25MAY26 19.2 29.9 253 13.1 19.6 243
Tue 01AM 26MAY26 26.5 41.3 258 16.0 24.0 250
Tue 04AM 26MAY26 34.8 54.3 262 22.1 33.2 256
Tue 07AM 26MAY26 39.5 61.7 258 26.2 39.3 251
Tue 10AM 26MAY26 33.9 52.9 252 25.1 37.6 247
Tue 01PM 26MAY26 23.6 36.9 239 19.3 28.9 231
Tue 04PM 26MAY26 19.8 30.8 235 16.2 24.3 225
Tue 07PM 26MAY26 17.2 26.8 250 11.9 17.9 242
Tue 10PM 26MAY26 14.2 22.2 257 7.3 10.9 250
Wed 01AM 27MAY26 8.7 13.6 219 4.5 6.7 178
Wed 04AM 27MAY26 7.4 11.6 233 4.0 6.0 207
Wed 07AM 27MAY26 2.6 4.1 235 4.3 6.5 250
Wed 10AM 27MAY26 6.3 9.8 150 4.1 6.2 270
Wed 01PM 27MAY26 7.3 11.3 101 3.0 4.6 118
Wed 04PM 27MAY26 10.6 16.5 74 13.5 20.3 76
Wed 07PM 27MAY26 13.5 21.1 83 18.0 27.0 86
Wed 10PM 27MAY26 14.2 22.2 195 24.8 37.2 119
Thu 01AM 28MAY26 8.7 13.6 150 16.1 24.1 119
Thu 04AM 28MAY26 15.4 24.0 195 18.0 27.0 131
Thu 07AM 28MAY26 7.1 11.0 205 6.6 9.9 143
Thu 10AM 28MAY26 4.9 7.7 207 4.2 6.3 155
Thu 01PM 28MAY26 5.2 8.2 219 3.2 4.7 194
Thu 04PM 28MAY26 4.9 7.6 195 4.8 7.1 168
Thu 07PM 28MAY26 3.5 5.5 198 4.1 6.1 178
Thu 10PM 28MAY26 4.7 7.3 200 3.8 5.8 165
Fri 01AM 29MAY26 6.9 10.8 239 4.7 7.0 228
Fri 04AM 29MAY26 9.2 14.4 208 6.2 9.4 155
Fri 07AM 29MAY26 10.0 15.6 200 8.1 12.1 141
Fri 10AM 29MAY26 14.4 22.5 203 10.5 15.7 141
Fri 01PM 29MAY26 8.0 12.5 194 8.4 12.7 140
Fri 04PM 29MAY26 5.6 8.7 188 7.0 10.4 140
Fri 07PM 29MAY26 2.2 3.5 107 4.5 6.8 113
Fri 10PM 29MAY26 4.5 7.1 185 4.0 5.9 107
Sat 01AM 30MAY26 4.2 6.5 167 1.5 2.3 72
Sat 04AM 30MAY26 5.3 8.2 253 1.5 2.3 244
Sat 07AM 30MAY26 5.7 8.8 260 3.1 4.7 253
Sat 10AM 30MAY26 5.4 8.4 254 4.3 6.5 242
Sat 01PM 30MAY26 4.9 7.7 219 4.8 7.2 210
Sat 04PM 30MAY26 3.7 5.8 256 2.7 4.1 282
Sat 07PM 30MAY26 2.8 4.4 60 4.4 6.6 74
Sat 10PM 30MAY26 4.0 6.2 111 3.6 5.4 83
Sun 01AM 31MAY26 2.6 4.0 178 1.9 2.9 240
Sun 04AM 31MAY26 3.5 5.5 241 4.7 7.1 241
Sun 07AM 31MAY26 4.2 6.5 270 5.7 8.6 271
Sun 10AM 31MAY26 3.7 5.8 315 4.8 7.3 226
Sun 01PM 31MAY26 2.0 3.5 313 1.8 2.7 310
Sun 04PM 31MAY26 6.6 10.4 276 5.6 8.4 231
Sun 07PM 31MAY26 1.8 2.9 318 1.9 2.8 309
Sun 10PM 31MAY26 8.7 13.6 164 6.1 9.1 238
Mon 01AM 01JUN26 7.1 11.1 180 10.8 16.1 240
Mon 04AM 01JUN26 5.0 7.8 188 8.8 13.2 237
Mon 07AM 01JUN26 5.4 8.4 148 9.0 13.5 231
Mon 10AM 01JUN26 4.9 7.6 294 6.8 10.1 274
Mon 01PM 01JUN26 4.9 7.6 287 3.7 5.6 260
Mon 04PM 01JUN26 6.0 9.3 250 5.8 8.8 230
Mon 07PM 01JUN26 4.1 6.4 144 4.1 6.2 165
Mon 10PM 01JUN26 12.0 18.7 164 9.8 14.7 233
Tue 01AM 02JUN26 12.0 18.7 164 12.9 19.3 232
Tue 04AM 02JUN26 8.5 13.2 170 11.4 17.2 235
Tue 07AM 02JUN26 6.5 10.2 160 11.4 17.1 228
Tue 10AM 02JUN26 5.2 10.2 302 9.6 14.3 271
Tue 01PM 02JUN26 8.0 12.8 204 9.5 14.2 228
Tue 04PM 02JUN26 9.3 14.5 171 11.0 16.5 226
Tue 07PM 02JUN26 8.7 13.6 165 8.7 13.0 232
Tue 10PM 02JUN26 8.4 13.1 165 8.1 12.1 238
Wed 01AM 03JUN26 8.7 13.5 168 8.7 13.1 240
Wed 04AM 03JUN26 7.8 12.2 168 8.0 12.1 242
Wed 07AM 03JUN26 6.4 10.1 169 7.5 11.2 241
Wed 10AM 03JUN26 3.5 7.2 134 5.7 8.6 208
Wed 01PM 03JUN26 8.5 13.3 254 9.0 13.5 236
Wed 04PM 03JUN26 7.2 11.3 224 9.1 13.6 225
Wed 07PM 03JUN26 7.7 11.9 162 7.1 10.7 251
Wed 10PM 03JUN26 6.8 10.7 156 3.7 5.6 231

.
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