This Was Not Expected - And Not in a Good Way (PDO related)! - Video HERE (8/30/26)

Buoys | Buoy Forecast | Bulletins | Models: Wave - Weather - Surf - Altimetry - Snow | Pacific Forecast | QuikCAST | El Nino | Tutorials | Great Circles | Video

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 Tue 01SEP2026 Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs) Mon 04PM 31AUG26 9.6 15.0 194 13.2 19.8 238 Mon 07PM 31AUG26 8.1 12.7 175 10.4 15.6 228 Mon 10PM 31AUG26 6.9 10.8 205 10.6 15.8 233 Tue 01AM 01SEP26 7.8 12.2 192 12.2 18.3 247 Tue 04AM 01SEP26 11.0 17.2 236 18.6 27.9 256 Tue 07AM 01SEP26 15.3 23.9 256 15.8 23.6 254 Tue 10AM 01SEP26 18.8 29.4 252 20.6 30.9 250 Tue 01PM 01SEP26 19.4 30.3 238 24.0 36.1 243 Tue 04PM 01SEP26 24.5 38.2 249 26.6 39.9 249 Tue 07PM 01SEP26 26.8 41.8 263 28.5 42.7 261 Tue 10PM 01SEP26 32.9 51.3 264 31.8 47.7 263 Wed 01AM 02SEP26 35.1 54.8 264 30.5 45.8 263 Wed 04AM 02SEP26 33.2 51.7 263 22.8 34.1 260 Wed 07AM 02SEP26 28.0 43.7 262 19.8 29.7 258 Wed 10AM 02SEP26 24.8 38.8 255 18.8 28.2 249 Wed 01PM 02SEP26 22.2 34.6 242 18.3 27.5 232 Wed 04PM 02SEP26 20.4 31.7 250 14.2 21.3 239 Wed 07PM 02SEP26 20.9 32.6 256 12.1 18.1 247 Wed 10PM 02SEP26 17.5 27.4 254 11.3 16.9 249 Thu 01AM 03SEP26 21.8 34.0 257 14.5 21.7 251 Thu 04AM 03SEP26 26.4 41.2 261 19.9 29.9 258 Thu 07AM 03SEP26 29.4 45.8 262 23.7 35.5 259 Thu 10AM 03SEP26 31.7 49.4 257 26.4 39.6 252 Thu 01PM 03SEP26 32.1 50.1 252 27.5 41.3 247 Thu 04PM 03SEP26 31.3 48.8 255 26.5 39.7 252 Thu 07PM 03SEP26 29.6 46.1 262 21.3 32.0 258 Thu 10PM 03SEP26 25.3 39.5 260 17.8 26.6 256 Fri 01AM 04SEP26 23.2 36.2 260 18.5 27.7 257 Fri 04AM 04SEP26 21.4 33.4 260 17.7 26.5 258 Fri 07AM 04SEP26 19.3 30.1 261 18.2 27.3 258 Fri 10AM 04SEP26 19.7 30.7 257 21.0 31.6 254 Fri 01PM 04SEP26 18.7 29.2 246 22.7 34.0 250 Fri 04PM 04SEP26 17.6 27.5 250 19.9 29.9 250 Fri 07PM 04SEP26 9.7 15.2 234 14.4 21.5 234 Fri 10PM 04SEP26 12.9 20.1 249 16.6 24.9 241 Sat 01AM 05SEP26 15.3 23.8 252 21.1 31.6 252 Sat 04AM 05SEP26 18.7 29.2 257 24.1 36.2 258 Sat 07AM 05SEP26 21.4 33.3 261 24.4 36.7 259 Sat 10AM 05SEP26 21.0 32.8 258 26.2 39.4 256 Sat 01PM 05SEP26 16.9 26.4 227 24.7 37.0 245 Sat 04PM 05SEP26 17.2 26.8 227 27.4 41.1 249 Sat 07PM 05SEP26 12.6 19.6 209 22.1 33.2 234 Sat 10PM 05SEP26 14.4 22.4 242 23.4 35.1 244 Sun 01AM 06SEP26 19.4 30.3 253 29.3 43.9 258 Sun 04AM 06SEP26 21.2 33.1 258 30.8 46.1 261 Sun 07AM 06SEP26 22.6 35.3 263 30.2 45.3 262 Sun 10AM 06SEP26 20.6 32.1 240 29.3 44.0 247 Sun 01PM 06SEP26 27.0 42.1 241 34.3 51.4 245 Sun 04PM 06SEP26 34.3 53.5 254 33.6 50.4 252 Sun 07PM 06SEP26 33.0 51.5 264 27.5 41.3 261 Sun 10PM 06SEP26 29.5 46.0 262 21.4 32.1 259 Mon 01AM 07SEP26 29.5 46.0 262 25.4 38.1 260 Mon 04AM 07SEP26 31.7 49.5 263 29.3 44.0 262 Mon 07AM 07SEP26 32.5 50.7 264 27.2 40.8 262 Mon 10AM 07SEP26 33.2 51.7 258 28.3 42.5 256 Mon 01PM 07SEP26 29.5 46.1 252 24.2 36.3 246 Mon 04PM 07SEP26 18.2 28.4 248 9.2 13.8 229 Mon 07PM 07SEP26 13.7 21.4 236 3.4 5.1 202 Mon 10PM 07SEP26 8.9 13.9 231 3.3 4.9 196 Tue 01AM 08SEP26 9.8 15.3 260 6.5 9.7 256 Tue 04AM 08SEP26 6.6 10.3 266 2.3 3.5 267 Tue 07AM 08SEP26 1.8 2.9 271 2.2 3.2 284 Tue 10AM 08SEP26 2.8 4.4 49 2.4 3.6 65 Tue 01PM 08SEP26 6.3 9.8 56 5.4 8.0 78 Tue 04PM 08SEP26 11.0 17.1 78 9.3 13.9 80 Tue 07PM 08SEP26 11.4 17.8 152 15.0 22.4 235 Tue 10PM 08SEP26 11.8 18.4 161 13.8 20.6 239 Wed 01AM 09SEP26 3.0 4.6 298 5.0 7.5 255 Wed 04AM 09SEP26 5.2 8.2 285 4.3 6.4 257 Wed 07AM 09SEP26 8.6 13.4 275 8.6 12.9 241 Wed 10AM 09SEP26 7.9 12.4 284 8.6 13.0 290 Wed 01PM 09SEP26 4.1 6.5 200 2.2 3.2 102 Wed 04PM 09SEP26 8.1 12.6 220 11.7 17.6 131 Wed 07PM 09SEP26 7.2 11.2 91 11.8 17.7 137 Wed 10PM 09SEP26 10.1 15.8 95 11.3 16.9 94 Thu 01AM 10SEP26 8.4 13.1 99 8.2 12.3 95 Thu 04AM 10SEP26 8.2 12.8 98 7.4 11.1 95 Thu 07AM 10SEP26 7.4 11.5 95 5.1 7.6 92 Thu 10AM 10SEP26 5.2 8.1 70 4.1 6.1 54 Thu 01PM 10SEP26 5.0 7.8 205 3.2 4.8 101 Thu 04PM 10SEP26 3.1 4.8 248 4.0 6.0 84

.

Contact | About | Disclaimer | Privacy Advertise/Content | Links 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