Surf Forecasts and Marine Weather - No Hype - Just the Facts!
Really - Is Another Westerly Wind Burst Forecast? - Video Forecast HERE (1/25/26)
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 Mon 26JAN2026
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Mon 10AM 26JAN26 9.4 14.2 174 10.6 15.9 176
Mon 01PM 26JAN26 10.6 16.0 188 10.7 16.0 186
Mon 04PM 26JAN26 11.2 16.8 181 10.4 15.5 178
Mon 07PM 26JAN26 9.9 14.9 156 8.2 12.3 161
Mon 10PM 26JAN26 10.9 16.4 158 8.1 12.2 161
Tue 01AM 27JAN26 11.2 16.8 159 8.1 12.2 162
Tue 04AM 27JAN26 12.9 19.3 163 10.5 15.7 167
Tue 07AM 27JAN26 12.2 18.3 162 11.9 17.9 168
Tue 10AM 27JAN26 15.1 22.7 175 15.5 23.3 175
Tue 01PM 27JAN26 17.1 25.6 188 17.0 25.6 187
Tue 04PM 27JAN26 21.1 31.6 187 18.7 28.1 186
Tue 07PM 27JAN26 25.0 37.5 173 21.4 32.0 175
Tue 10PM 27JAN26 26.6 39.9 175 23.8 35.6 176
Wed 01AM 28JAN26 31.5 47.3 178 20.1 30.1 180
Wed 04AM 28JAN26 27.1 40.7 131 18.3 27.4 73
Wed 07AM 28JAN26 23.7 35.6 131 17.4 26.1 76
Wed 10AM 28JAN26 20.3 30.4 134 16.2 24.3 76
Wed 01PM 28JAN26 19.8 29.8 226 14.8 22.2 285
Wed 04PM 28JAN26 19.3 28.9 227 15.5 23.2 286
Wed 07PM 28JAN26 22.2 33.3 128 18.4 27.6 72
Wed 10PM 28JAN26 12.4 18.5 120 12.4 18.7 69
Thu 01AM 29JAN26 11.3 17.0 116 12.9 19.3 66
Thu 04AM 29JAN26 13.9 20.9 122 15.2 22.8 68
Thu 07AM 29JAN26 12.2 18.4 119 14.8 22.1 68
Thu 10AM 29JAN26 16.3 24.5 129 17.6 26.4 73
Thu 01PM 29JAN26 15.8 23.6 227 16.1 24.1 285
Thu 04PM 29JAN26 11.6 17.4 231 12.8 19.2 289
Thu 07PM 29JAN26 10.2 15.3 112 11.7 17.5 67
Thu 10PM 29JAN26 9.0 13.6 105 11.3 17.0 63
Fri 01AM 30JAN26 6.1 9.2 84 7.8 11.6 52
Fri 04AM 30JAN26 6.0 9.0 114 5.2 7.8 75
Fri 07AM 30JAN26 8.8 13.1 127 6.7 10.1 84
Fri 10AM 30JAN26 9.1 13.7 140 6.3 9.5 89
Fri 01PM 30JAN26 9.8 14.7 208 6.0 8.9 239
Fri 04PM 30JAN26 10.7 16.0 136 6.1 9.1 284
Fri 07PM 30JAN26 10.7 16.0 136 7.0 10.5 97
Fri 10PM 30JAN26 11.3 17.0 151 7.3 11.0 138
Sat 01AM 31JAN26 9.8 14.7 164 7.3 11.0 162
Sat 04AM 31JAN26 11.8 17.6 163 10.9 16.3 166
Sat 07AM 31JAN26 11.9 17.9 161 9.9 14.8 162
Sat 10AM 31JAN26 7.4 11.1 171 5.6 8.4 166
Sat 01PM 31JAN26 6.9 10.4 187 5.3 8.0 185
Sat 04PM 31JAN26 4.7 7.0 174 3.6 5.4 168
Sat 07PM 31JAN26 4.6 6.8 105 4.0 6.1 120
Sat 10PM 31JAN26 5.2 7.8 73 5.7 8.6 112
Sun 01AM 01FEB26 5.0 7.5 97 7.6 11.4 130
Sun 04AM 01FEB26 6.4 9.7 139 10.3 15.5 154
Sun 07AM 01FEB26 6.7 10.1 129 11.2 16.8 149
Sun 10AM 01FEB26 7.3 11.0 181 11.4 17.1 180
Sun 01PM 01FEB26 11.1 16.7 199 13.6 20.4 194
Sun 04PM 01FEB26 10.5 15.7 198 13.0 19.5 195
Sun 07PM 01FEB26 11.2 16.9 174 12.7 19.1 176
Sun 10PM 01FEB26 13.2 19.8 172 15.6 23.4 174
Mon 01AM 02FEB26 16.5 24.8 176 17.4 26.1 178
Mon 04AM 02FEB26 18.3 27.4 174 15.6 23.4 174
Mon 07AM 02FEB26 18.7 28.0 171 12.4 18.6 168
Mon 10AM 02FEB26 17.5 26.2 215 10.6 15.8 254
Mon 01PM 02FEB26 15.0 22.6 232 11.6 17.4 280
Mon 04PM 02FEB26 14.5 21.7 231 10.8 16.3 281
Mon 07PM 02FEB26 15.4 23.1 131 13.5 20.3 74
Mon 10PM 02FEB26 17.9 26.8 131 17.3 25.9 74
Tue 01AM 03FEB26 17.3 25.9 127 20.3 30.4 72
Tue 04AM 03FEB26 16.6 24.9 120 22.8 34.3 68
Tue 07AM 03FEB26 14.2 21.3 114 21.6 32.3 65
Tue 10AM 03FEB26 9.8 14.7 137 16.9 25.4 76
Tue 01PM 03FEB26 8.9 13.4 256 13.6 20.4 301
Tue 04PM 03FEB26 10.2 15.3 250 15.8 23.7 298
Tue 07PM 03FEB26 14.7 22.0 116 21.5 32.2 66
Tue 10PM 03FEB26 12.3 18.4 90 20.3 30.5 52
Wed 01AM 04FEB26 13.9 20.8 49 23.7 35.5 29
Wed 04AM 04FEB26 16.9 25.4 34 28.7 43.1 22
Wed 07AM 04FEB26 25.0 37.5 19 36.8 55.2 12
Wed 10AM 04FEB26 28.5 42.8 14 39.6 59.4 11
Wed 01PM 04FEB26 31.3 47.0 13 36.4 54.6 12
Wed 04PM 04FEB26 33.1 49.7 11 34.5 51.8 10
Wed 07PM 04FEB26 34.7 52.0 9 35.0 52.4 8
Wed 10PM 04FEB26 32.3 48.5 9 30.8 46.1 8
Thu 01AM 05FEB26 29.1 43.7 11 27.4 41.1 10
Thu 04AM 05FEB26 26.9 40.3 11 27.3 40.9 10
Thu 07AM 05FEB26 28.1 42.1 11 28.5 42.8 10
Thu 10AM 05FEB26 29.6 44.4 11 28.3 42.4 11

.
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