Surf Forecasts and Marine Weather - No Hype - Just the Facts!
And Here We Go - A Massive El Nino Is Developing! - Video HERE (7/12/26)
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: 12Z Mon 13JUL2026
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Mon 04AM 13JUL26 11.1 17.4 177 18.0 27.0 240
Mon 07AM 13JUL26 5.4 8.5 170 11.3 16.9 272
Mon 10AM 13JUL26 4.8 8.6 317 5.8 8.7 306
Mon 01PM 13JUL26 10.6 16.6 277 7.2 10.9 273
Mon 04PM 13JUL26 11.5 18.0 282 7.3 11.0 279
Mon 07PM 13JUL26 6.9 10.7 281 4.1 6.2 280
Mon 10PM 13JUL26 4.6 7.2 258 6.5 9.7 261
Tue 01AM 14JUL26 4.5 7.0 179 5.7 8.6 245
Tue 04AM 14JUL26 6.6 10.4 252 5.6 8.4 250
Tue 07AM 14JUL26 4.9 7.6 267 5.4 8.2 273
Tue 10AM 14JUL26 5.0 7.8 284 5.7 8.5 288
Tue 01PM 14JUL26 4.1 6.4 301 4.5 6.8 312
Tue 04PM 14JUL26 6.9 10.8 247 4.3 6.5 232
Tue 07PM 14JUL26 6.1 9.6 264 7.6 11.4 268
Tue 10PM 14JUL26 5.5 8.7 226 9.1 13.7 250
Wed 01AM 15JUL26 5.0 7.8 235 6.9 10.4 244
Wed 04AM 15JUL26 6.0 9.4 199 9.7 14.6 250
Wed 07AM 15JUL26 5.6 8.7 246 10.9 16.3 238
Wed 10AM 15JUL26 5.9 9.1 301 6.8 10.1 289
Wed 01PM 15JUL26 5.1 8.8 307 3.3 5.0 304
Wed 04PM 15JUL26 3.5 5.4 243 2.8 4.2 285
Wed 07PM 15JUL26 6.6 10.4 130 4.3 6.4 160
Wed 10PM 15JUL26 10.5 16.4 150 5.1 7.6 200
Thu 01AM 16JUL26 9.7 15.1 161 8.6 12.9 221
Thu 04AM 16JUL26 8.8 13.7 174 12.0 18.0 231
Thu 07AM 16JUL26 9.2 14.4 170 13.2 19.8 232
Thu 10AM 16JUL26 6.4 11.1 244 11.0 16.4 252
Thu 01PM 16JUL26 13.1 20.4 197 15.6 23.4 229
Thu 04PM 16JUL26 12.8 19.9 193 17.3 26.0 242
Thu 07PM 16JUL26 10.7 16.6 166 11.3 16.9 238
Thu 10PM 16JUL26 10.2 16.0 157 7.0 10.5 217
Fri 01AM 17JUL26 8.7 13.6 167 8.2 12.3 229
Fri 04AM 17JUL26 7.1 11.1 175 8.3 12.5 241
Fri 07AM 17JUL26 8.1 12.7 171 11.7 17.5 238
Fri 10AM 17JUL26 5.8 9.6 274 9.3 13.9 265
Fri 01PM 17JUL26 10.8 16.8 201 13.2 19.7 232
Fri 04PM 17JUL26 12.1 18.9 193 14.5 21.7 232
Fri 07PM 17JUL26 9.6 15.0 157 6.3 9.5 216
Fri 10PM 17JUL26 7.7 11.9 156 5.3 8.0 204
Sat 01AM 18JUL26 6.4 9.9 165 6.2 9.3 212
Sat 04AM 18JUL26 7.1 11.1 172 8.1 12.1 227
Sat 07AM 18JUL26 6.0 9.4 167 8.1 12.1 240
Sat 10AM 18JUL26 5.4 8.5 330 6.9 10.3 231
Sat 01PM 18JUL26 4.9 8.6 305 3.8 5.7 295
Sat 04PM 18JUL26 5.1 8.0 193 3.5 5.2 183
Sat 07PM 18JUL26 8.2 12.8 119 6.2 9.3 140
Sat 10PM 18JUL26 9.0 14.0 151 4.8 7.2 201
Sun 01AM 19JUL26 7.0 10.9 132 3.9 5.8 156
Sun 04AM 19JUL26 6.4 10.0 166 5.5 8.3 221
Sun 07AM 19JUL26 7.1 11.1 163 8.3 12.5 238
Sun 10AM 19JUL26 5.8 9.1 110 6.8 10.1 230
Sun 01PM 19JUL26 4.0 6.3 268 3.4 5.2 248
Sun 04PM 19JUL26 8.8 13.7 204 8.0 12.0 201
Sun 07PM 19JUL26 8.6 13.4 136 3.5 5.3 173
Sun 10PM 19JUL26 10.6 16.5 150 5.4 8.2 203
Mon 01AM 20JUL26 7.3 11.4 158 4.6 6.8 210
Mon 04AM 20JUL26 7.4 11.5 174 9.6 14.4 232
Mon 07AM 20JUL26 5.6 8.8 163 8.4 12.6 241
Mon 10AM 20JUL26 5.2 8.1 322 5.9 8.8 229
Mon 01PM 20JUL26 4.2 7.0 265 3.5 5.2 247
Mon 04PM 20JUL26 5.5 8.6 223 3.4 5.1 230
Mon 07PM 20JUL26 7.3 11.3 120 5.7 8.5 134
Mon 10PM 20JUL26 7.8 12.2 153 5.1 7.6 202
Tue 01AM 21JUL26 7.6 11.9 154 5.1 7.6 200
Tue 04AM 21JUL26 7.3 11.4 169 7.4 11.1 230
Tue 07AM 21JUL26 6.5 10.1 160 7.4 11.1 239
Tue 10AM 21JUL26 5.3 8.3 117 5.1 7.6 234
Tue 01PM 21JUL26 5.7 8.8 148 8.5 12.7 191
Tue 04PM 21JUL26 4.6 7.2 207 4.2 6.3 259
Tue 07PM 21JUL26 11.1 17.4 163 6.6 9.8 248
Tue 10PM 21JUL26 10.0 15.5 170 7.6 11.3 244
Wed 01AM 22JUL26 5.7 8.9 176 6.3 9.4 239
Wed 04AM 22JUL26 5.9 9.2 179 8.1 12.2 242
Wed 07AM 22JUL26 3.5 5.5 160 6.4 9.6 241
Wed 10AM 22JUL26 4.1 6.4 323 3.9 5.9 225
Wed 01PM 22JUL26 2.2 5.3 187 2.2 3.4 225
Wed 04PM 22JUL26 8.5 13.3 256 8.9 13.4 268
Wed 07PM 22JUL26 2.4 3.7 219 3.4 5.1 331
Wed 10PM 22JUL26 7.9 12.3 166 6.4 9.6 237
Thu 01AM 23JUL26 3.8 5.9 175 3.7 5.6 227
Thu 04AM 23JUL26 3.9 6.0 187 4.9 7.3 229

.
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