Surf Forecasts and Marine Weather - No Hype - Just the Facts!
The Transition Stabilizes - But What's the Future Hold? - Video Forecast HERE (11/30/25)
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 01DEC2025
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Mon 04AM 01DEC25 9.8 14.7 51 14.8 22.2 32
Mon 07AM 01DEC25 12.9 19.3 26 16.8 25.3 17
Mon 10AM 01DEC25 7.1 10.7 269 10.5 15.8 150
Mon 01PM 01DEC25 6.3 9.5 269 8.9 13.3 305
Mon 04PM 01DEC25 5.0 7.5 248 6.9 10.3 292
Mon 07PM 01DEC25 6.0 9.0 107 7.3 10.9 62
Mon 10PM 01DEC25 8.6 12.9 121 9.9 14.8 70
Tue 01AM 02DEC25 10.3 15.5 127 10.6 15.9 74
Tue 04AM 02DEC25 13.3 19.9 128 14.5 21.8 73
Tue 07AM 02DEC25 14.0 21.1 123 19.7 29.6 70
Tue 10AM 02DEC25 15.9 23.8 233 20.4 30.7 288
Tue 01PM 02DEC25 24.3 36.4 231 22.2 33.3 286
Tue 04PM 02DEC25 28.5 42.8 229 27.7 41.5 286
Tue 07PM 02DEC25 32.4 48.5 133 31.6 47.4 74
Tue 10PM 02DEC25 29.6 44.3 132 28.8 43.3 74
Wed 01AM 03DEC25 26.1 39.1 131 27.7 41.6 74
Wed 04AM 03DEC25 19.5 29.2 123 24.9 37.4 70
Wed 07AM 03DEC25 11.7 17.6 85 18.8 28.1 51
Wed 10AM 03DEC25 13.9 20.8 36 22.3 33.4 24
Wed 01PM 03DEC25 12.4 18.6 31 19.8 29.8 22
Wed 04PM 03DEC25 10.3 15.4 34 17.1 25.7 22
Wed 07PM 03DEC25 10.3 15.5 39 14.9 22.4 25
Wed 10PM 03DEC25 9.1 13.7 38 12.5 18.8 25
Thu 01AM 04DEC25 7.2 10.7 50 10.4 15.6 32
Thu 04AM 04DEC25 6.6 9.8 63 9.8 14.6 38
Thu 07AM 04DEC25 7.2 10.7 58 10.8 16.2 36
Thu 10AM 04DEC25 9.6 14.3 264 13.7 20.6 145
Thu 01PM 04DEC25 12.5 18.8 334 18.3 27.4 343
Thu 04PM 04DEC25 10.9 16.4 348 17.3 25.9 353
Thu 07PM 04DEC25 10.7 16.0 44 17.9 26.8 26
Thu 10PM 04DEC25 9.8 14.8 51 17.0 25.6 30
Fri 01AM 05DEC25 11.0 16.6 64 18.9 28.4 37
Fri 04AM 05DEC25 11.5 17.2 88 19.5 29.2 51
Fri 07AM 05DEC25 11.4 17.1 58 19.0 28.5 35
Fri 10AM 05DEC25 9.5 14.3 51 17.1 25.7 31
Fri 01PM 05DEC25 9.4 14.0 304 17.6 26.5 328
Fri 04PM 05DEC25 12.0 18.0 231 18.0 26.9 288
Fri 07PM 05DEC25 12.0 18.0 116 17.0 25.5 66
Fri 10PM 05DEC25 18.5 27.8 127 20.6 30.8 72
Sat 01AM 06DEC25 21.1 31.7 128 22.5 33.8 73
Sat 04AM 06DEC25 24.0 36.1 131 26.0 39.0 73
Sat 07AM 06DEC25 26.4 39.7 130 30.2 45.3 73
Sat 10AM 06DEC25 22.9 34.3 227 27.0 40.5 286
Sat 01PM 06DEC25 20.5 30.7 232 21.6 32.3 288
Sat 04PM 06DEC25 16.7 25.0 231 21.3 31.9 288
Sat 07PM 06DEC25 16.6 24.9 126 19.3 29.0 72
Sat 10PM 06DEC25 14.9 22.4 126 16.6 24.9 72
Sun 01AM 07DEC25 9.6 14.3 123 11.2 16.7 71
Sun 04AM 07DEC25 10.8 16.1 127 9.9 14.9 75
Sun 07AM 07DEC25 10.6 15.9 129 8.3 12.4 79
Sun 10AM 07DEC25 10.1 15.1 221 6.3 9.4 264
Sun 01PM 07DEC25 12.8 19.2 209 8.3 12.4 224
Sun 04PM 07DEC25 13.5 20.2 213 8.3 12.4 248
Sun 07PM 07DEC25 15.0 22.4 132 11.0 16.6 79
Sun 10PM 07DEC25 13.3 19.9 128 12.9 19.3 74
Mon 01AM 08DEC25 11.6 17.4 121 13.3 20.0 69
Mon 04AM 08DEC25 10.6 16.0 113 12.6 18.9 66
Mon 07AM 08DEC25 14.7 22.0 120 16.2 24.4 69
Mon 10AM 08DEC25 11.2 16.8 130 15.6 23.4 74
Mon 01PM 08DEC25 6.5 9.7 264 10.8 16.3 306
Mon 04PM 08DEC25 9.5 14.3 140 13.2 19.8 288
Mon 07PM 08DEC25 8.5 12.8 101 12.4 18.6 59
Mon 10PM 08DEC25 11.7 17.6 117 14.8 22.1 68
Tue 01AM 09DEC25 14.2 21.3 127 15.5 23.2 73
Tue 04AM 09DEC25 13.8 20.7 128 13.3 19.9 74
Tue 07AM 09DEC25 13.6 20.3 130 10.7 16.0 77
Tue 10AM 09DEC25 13.5 20.3 135 11.3 16.9 77
Tue 01PM 09DEC25 17.4 26.2 231 16.7 25.0 285
Tue 04PM 09DEC25 18.6 27.9 134 18.0 27.0 75
Tue 07PM 09DEC25 17.4 26.1 126 20.2 30.3 71
Tue 10PM 09DEC25 13.7 20.5 123 18.2 27.3 70
Wed 01AM 10DEC25 11.2 16.9 115 15.8 23.8 65
Wed 04AM 10DEC25 16.6 24.9 123 18.2 27.3 69
Wed 07AM 10DEC25 17.2 25.8 126 18.4 27.5 71
Wed 10AM 10DEC25 15.9 23.9 227 14.1 21.1 284
Wed 01PM 10DEC25 17.1 25.6 229 14.1 21.2 284
Wed 04PM 10DEC25 15.2 22.8 227 14.3 21.5 285
Wed 07PM 10DEC25 15.0 22.4 122 16.3 24.4 69
Wed 10PM 10DEC25 14.2 21.4 121 16.0 24.0 69
Thu 01AM 11DEC25 10.7 16.1 116 12.3 18.5 68
Thu 04AM 11DEC25 10.0 15.1 119 10.6 15.9 71

.
Contact | About | Disclaimer | Privacy
Advertise/Content | Links
Visit Mark Sponsler on Facebook Visit Stormsurf on Instagram Visit Stormsurf on YouTube
Copyright © 2025 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