Surf Forecasts and Marine Weather - No Hype - Just the Facts!
Mid-Summer Shocker - Is El Nino Stalling? - Video HERE (7/5/26)
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 Mon 06JUL2026
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Sun 04PM 05JUL26 7.0 11.0 226 8.0 11.9 238
Sun 07PM 05JUL26 5.7 8.9 157 7.2 10.7 238
Sun 10PM 05JUL26 7.2 11.2 180 10.6 15.9 228
Mon 01AM 06JUL26 9.0 14.0 251 11.6 17.4 245
Mon 04AM 06JUL26 7.7 12.1 257 7.1 10.6 243
Mon 07AM 06JUL26 5.1 7.9 280 6.2 9.3 226
Mon 10AM 06JUL26 5.0 7.8 299 5.7 8.5 285
Mon 01PM 06JUL26 6.1 9.6 222 6.1 9.2 204
Mon 04PM 06JUL26 9.1 14.1 197 8.5 12.7 183
Mon 07PM 06JUL26 5.3 8.2 147 4.1 6.2 186
Mon 10PM 06JUL26 5.5 8.6 176 5.9 8.8 228
Tue 01AM 07JUL26 6.1 9.5 172 6.5 9.8 225
Tue 04AM 07JUL26 6.9 10.8 178 9.7 14.6 233
Tue 07AM 07JUL26 5.1 8.0 273 11.2 16.8 230
Tue 10AM 07JUL26 5.8 9.0 273 7.9 11.8 261
Tue 01PM 07JUL26 12.7 19.8 207 12.7 19.1 218
Tue 04PM 07JUL26 10.9 17.0 206 12.2 18.3 224
Tue 07PM 07JUL26 10.5 16.3 159 8.0 11.9 223
Tue 10PM 07JUL26 9.5 14.8 159 6.9 10.4 226
Wed 01AM 08JUL26 5.8 9.1 193 8.3 12.5 223
Wed 04AM 08JUL26 9.4 14.7 250 9.7 14.6 245
Wed 07AM 08JUL26 10.9 17.0 260 8.7 13.1 257
Wed 10AM 08JUL26 10.3 16.1 250 8.1 12.1 247
Wed 01PM 08JUL26 14.4 22.5 226 11.4 17.2 218
Wed 04PM 08JUL26 16.4 25.5 230 12.0 18.0 223
Wed 07PM 08JUL26 16.6 26.0 255 9.5 14.2 244
Wed 10PM 08JUL26 15.0 23.4 248 7.7 11.6 234
Thu 01AM 09JUL26 16.7 26.0 247 6.9 10.4 231
Thu 04AM 09JUL26 18.1 28.2 253 9.0 13.5 244
Thu 07AM 09JUL26 16.4 25.5 257 9.2 13.8 251
Thu 10AM 09JUL26 9.1 14.2 243 6.6 9.8 242
Thu 01PM 09JUL26 13.4 20.8 219 12.2 18.3 211
Thu 04PM 09JUL26 13.6 21.3 221 12.0 18.0 209
Thu 07PM 09JUL26 6.9 10.8 222 5.4 8.1 197
Thu 10PM 09JUL26 5.0 7.8 223 5.3 7.9 229
Fri 01AM 10JUL26 9.6 14.9 248 6.3 9.5 239
Fri 04AM 10JUL26 11.9 18.6 234 4.1 6.1 205
Fri 07AM 10JUL26 13.1 20.4 214 4.2 6.4 158
Fri 10AM 10JUL26 8.8 13.7 238 4.0 6.0 216
Fri 01PM 10JUL26 9.4 14.6 214 8.3 12.5 202
Fri 04PM 10JUL26 10.0 15.6 215 10.7 16.1 218
Fri 07PM 10JUL26 9.2 14.3 162 8.8 13.1 235
Fri 10PM 10JUL26 6.7 10.5 176 7.7 11.6 234
Sat 01AM 11JUL26 6.1 9.5 186 8.1 12.1 243
Sat 04AM 11JUL26 6.7 10.4 190 10.5 15.7 237
Sat 07AM 11JUL26 5.6 8.7 202 11.2 16.7 232
Sat 10AM 11JUL26 5.1 8.0 310 6.9 10.4 282
Sat 01PM 11JUL26 7.3 11.5 218 8.0 12.0 203
Sat 04PM 11JUL26 8.6 13.4 174 7.9 11.8 194
Sat 07PM 11JUL26 13.1 20.4 158 8.8 13.2 222
Sat 10PM 11JUL26 8.6 13.5 164 7.6 11.4 234
Sun 01AM 12JUL26 6.3 9.8 169 6.0 8.9 230
Sun 04AM 12JUL26 4.6 7.2 189 5.9 8.8 229
Sun 07AM 12JUL26 5.1 8.0 200 9.3 14.0 247
Sun 10AM 12JUL26 4.9 10.4 300 7.8 11.7 282
Sun 01PM 12JUL26 6.5 10.1 209 10.1 15.2 219
Sun 04PM 12JUL26 7.3 11.4 210 8.0 12.0 216
Sun 07PM 12JUL26 6.8 10.6 142 4.8 7.2 180
Sun 10PM 12JUL26 9.1 14.2 169 13.3 19.9 234
Mon 01AM 13JUL26 9.3 14.6 171 10.9 16.3 237
Mon 04AM 13JUL26 9.3 14.5 170 10.1 15.2 241
Mon 07AM 13JUL26 9.4 14.6 164 12.3 18.4 235
Mon 10AM 13JUL26 6.2 9.7 117 5.8 8.7 221
Mon 01PM 13JUL26 3.0 6.0 89 3.6 5.4 189
Mon 04PM 13JUL26 11.6 18.1 266 6.1 9.1 270
Mon 07PM 13JUL26 5.2 8.1 110 8.4 12.6 281
Mon 10PM 13JUL26 0.9 1.6 163 1.7 2.5 214
Tue 01AM 14JUL26 3.5 5.5 178 3.8 5.8 229
Tue 04AM 14JUL26 3.4 5.4 167 2.9 4.4 211
Tue 07AM 14JUL26 3.0 4.7 172 2.8 4.2 243
Tue 10AM 14JUL26 3.1 5.3 309 3.4 5.1 320
Tue 01PM 14JUL26 3.0 6.0 316 3.7 5.5 247
Tue 04PM 14JUL26 2.4 5.1 294 3.4 5.1 312
Tue 07PM 14JUL26 3.1 4.9 138 3.3 4.9 154
Tue 10PM 14JUL26 5.9 9.1 138 2.4 3.6 168
Wed 01AM 15JUL26 9.5 14.8 163 7.2 10.8 227
Wed 04AM 15JUL26 8.5 13.2 171 10.4 15.6 231
Wed 07AM 15JUL26 7.8 12.2 164 8.8 13.2 238
Wed 10AM 15JUL26 4.7 7.6 118 5.7 8.6 232
Wed 01PM 15JUL26 4.1 7.1 263 4.7 7.1 204
Wed 04PM 15JUL26 5.1 7.9 225 3.9 5.8 218

.
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