Surf Forecasts and Marine Weather - No Hype - Just the Facts!
Tropics On Fire - But Will the PDO Dampen El Nino? - Video HERE (9/27/26)
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 Fri 02OCT2026
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Fri 10AM 02OCT26 6.4 10.0 262 5.3 8.0 256
Fri 01PM 02OCT26 3.5 5.4 242 2.6 3.9 202
Fri 04PM 02OCT26 5.1 8.0 283 4.6 6.9 158
Fri 07PM 02OCT26 9.1 14.2 108 9.9 14.9 107
Fri 10PM 02OCT26 6.8 10.6 133 3.0 4.5 164
Sat 01AM 03OCT26 5.1 8.0 166 4.1 6.2 224
Sat 04AM 03OCT26 4.8 7.5 174 4.7 7.1 234
Sat 07AM 03OCT26 3.9 6.1 174 4.1 6.1 232
Sat 10AM 03OCT26 3.7 5.8 125 3.4 5.1 235
Sat 01PM 03OCT26 6.0 9.4 223 3.5 5.2 7
Sat 04PM 03OCT26 7.0 10.9 37 5.7 8.6 75
Sat 07PM 03OCT26 7.4 11.6 124 4.9 7.3 145
Sat 10PM 03OCT26 6.3 9.9 158 5.0 7.6 211
Sun 01AM 04OCT26 3.9 6.2 201 5.7 8.6 238
Sun 04AM 04OCT26 4.6 7.2 217 7.3 11.0 245
Sun 07AM 04OCT26 3.3 5.1 192 5.1 7.6 234
Sun 10AM 04OCT26 3.3 5.1 120 3.1 4.7 231
Sun 01PM 04OCT26 6.2 9.7 339 3.6 5.3 260
Sun 04PM 04OCT26 5.2 8.1 78 3.9 5.8 154
Sun 07PM 04OCT26 6.0 9.3 129 5.2 7.8 139
Sun 10PM 04OCT26 5.0 7.8 198 7.2 10.8 234
Mon 01AM 05OCT26 4.4 6.9 225 6.3 9.5 241
Mon 04AM 05OCT26 3.1 4.9 195 3.9 5.8 233
Mon 07AM 05OCT26 3.9 6.1 116 4.1 6.1 109
Mon 10AM 05OCT26 3.2 5.0 11 3.0 4.5 7
Mon 01PM 05OCT26 6.8 11.1 341 5.4 8.0 274
Mon 04PM 05OCT26 2.5 4.0 348 4.1 6.2 279
Mon 07PM 05OCT26 8.5 13.2 115 3.2 4.8 131
Mon 10PM 05OCT26 5.8 9.0 140 3.0 4.6 169
Tue 01AM 06OCT26 3.5 5.4 184 3.6 5.3 220
Tue 04AM 06OCT26 3.8 5.9 150 2.0 3.0 181
Tue 07AM 06OCT26 4.7 7.3 142 1.6 2.4 178
Tue 10AM 06OCT26 4.8 7.4 169 3.9 5.8 295
Tue 01PM 06OCT26 5.3 8.3 225 5.8 8.6 11
Tue 04PM 06OCT26 5.6 8.8 5 5.1 7.6 15
Tue 07PM 06OCT26 4.0 6.3 126 4.7 7.0 128
Tue 10PM 06OCT26 5.9 9.1 105 4.4 6.7 99
Wed 01AM 07OCT26 5.4 8.4 167 3.6 5.3 228
Wed 04AM 07OCT26 4.1 6.4 173 3.7 5.5 228
Wed 07AM 07OCT26 3.8 6.0 169 2.8 4.2 228
Wed 10AM 07OCT26 4.6 7.2 116 4.7 7.0 216
Wed 01PM 07OCT26 6.1 9.5 330 2.9 4.4 329
Wed 04PM 07OCT26 5.8 9.0 290 3.0 4.4 181
Wed 07PM 07OCT26 5.6 8.7 131 4.2 6.3 143
Wed 10PM 07OCT26 5.4 8.5 164 5.0 7.5 212
Thu 01AM 08OCT26 4.7 7.3 183 6.0 9.0 234
Thu 04AM 08OCT26 4.0 6.3 194 5.5 8.3 236
Thu 07AM 08OCT26 4.9 7.6 242 5.5 8.3 240
Thu 10AM 08OCT26 5.1 7.9 273 5.6 8.4 261
Thu 01PM 08OCT26 5.6 8.7 261 5.1 7.7 237
Thu 04PM 08OCT26 6.7 10.5 218 8.3 12.4 212
Thu 07PM 08OCT26 5.6 8.8 165 5.8 8.7 222
Thu 10PM 08OCT26 8.3 13.0 195 13.9 20.9 253
Fri 01AM 09OCT26 12.0 18.8 250 17.2 25.8 257
Fri 04AM 09OCT26 17.6 27.4 260 19.3 28.9 261
Fri 07AM 09OCT26 19.8 30.9 262 20.0 30.0 261
Fri 10AM 09OCT26 17.0 26.6 239 18.3 27.4 241
Fri 01PM 09OCT26 17.8 27.8 229 20.4 30.6 232
Fri 04PM 09OCT26 14.9 23.2 229 20.3 30.5 246
Fri 07PM 09OCT26 9.8 15.3 210 17.6 26.4 259
Fri 10PM 09OCT26 8.2 12.8 195 15.9 23.8 261
Sat 01AM 10OCT26 10.3 16.1 246 18.0 27.1 260
Sat 04AM 10OCT26 13.4 20.9 257 18.2 27.3 261
Sat 07AM 10OCT26 12.4 19.4 256 18.9 28.3 260
Sat 10AM 10OCT26 12.7 19.9 224 17.6 26.3 242
Sat 01PM 10OCT26 16.6 25.9 225 21.5 32.3 239
Sat 04PM 10OCT26 13.3 20.7 212 19.9 29.9 244
Sat 07PM 10OCT26 10.1 15.7 191 15.1 22.7 247
Sat 10PM 10OCT26 12.0 18.7 245 17.8 26.7 258
Sun 01AM 11OCT26 15.7 24.5 257 19.0 28.5 259
Sun 04AM 11OCT26 15.3 23.9 259 17.8 26.7 262
Sun 07AM 11OCT26 11.7 18.2 259 13.7 20.5 264
Sun 10AM 11OCT26 6.9 10.7 257 7.9 11.9 259
Sun 01PM 11OCT26 5.6 8.8 252 5.4 8.1 258
Sun 04PM 11OCT26 3.6 5.6 342 3.5 5.2 277
Sun 07PM 11OCT26 4.1 6.3 168 5.1 7.6 248
Sun 10PM 11OCT26 5.8 9.0 197 9.5 14.2 241
Mon 01AM 12OCT26 6.8 10.7 243 9.5 14.2 254
Mon 04AM 12OCT26 8.6 13.4 252 10.0 15.0 258
Mon 07AM 12OCT26 7.2 11.2 251 6.7 10.1 252
Mon 10AM 12OCT26 4.2 6.5 257 3.0 4.6 256

.
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