Surf Forecasts and Marine Weather - No Hype - Just the Facts!
Kelvin Wave Pushing East- WWB Forecast - OMG! - Video Forecast HERE (1/11/26)
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 Wed 14JAN2026
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Wed 04AM 14JAN26 14.1 21.1 35 9.5 14.3 45
Wed 07AM 14JAN26 16.9 25.4 25 12.5 18.7 25
Wed 10AM 14JAN26 17.5 26.2 24 12.0 18.1 31
Wed 01PM 14JAN26 15.3 22.9 26 10.7 16.0 34
Wed 04PM 14JAN26 12.4 18.6 39 8.1 12.2 57
Wed 07PM 14JAN26 12.1 18.2 44 8.0 12.1 65
Wed 10PM 14JAN26 10.4 15.6 49 7.0 10.6 73
Thu 01AM 15JAN26 8.0 12.0 49 5.8 8.6 51
Thu 04AM 15JAN26 8.3 12.5 38 7.0 10.5 30
Thu 07AM 15JAN26 13.7 20.5 22 11.8 17.7 17
Thu 10AM 15JAN26 12.9 19.3 23 9.2 13.8 27
Thu 01PM 15JAN26 9.5 14.3 14 6.7 10.1 22
Thu 04PM 15JAN26 11.1 16.7 20 8.2 12.3 24
Thu 07PM 15JAN26 11.8 17.8 32 8.5 12.8 33
Thu 10PM 15JAN26 10.3 15.4 38 7.1 10.6 44
Fri 01AM 16JAN26 8.0 12.0 56 5.6 8.3 77
Fri 04AM 16JAN26 7.7 11.6 60 5.5 8.2 84
Fri 07AM 16JAN26 6.9 10.4 65 5.0 7.5 79
Fri 10AM 16JAN26 4.5 6.7 72 3.9 5.8 87
Fri 01PM 16JAN26 1.3 2.0 41 1.6 2.4 42
Fri 04PM 16JAN26 3.8 5.7 27 3.8 5.7 19
Fri 07PM 16JAN26 7.4 11.2 45 6.9 10.3 34
Fri 10PM 16JAN26 8.0 12.0 42 7.1 10.7 33
Sat 01AM 17JAN26 8.3 12.5 41 6.3 9.5 39
Sat 04AM 17JAN26 6.9 10.4 67 5.2 7.8 92
Sat 07AM 17JAN26 5.5 8.2 97 4.8 7.1 119
Sat 10AM 17JAN26 3.1 4.6 114 3.6 5.4 126
Sat 01PM 17JAN26 3.4 5.1 218 3.7 5.6 206
Sat 04PM 17JAN26 2.6 3.9 200 2.9 4.3 198
Sat 07PM 17JAN26 4.1 6.1 124 3.9 5.9 138
Sat 10PM 17JAN26 4.4 6.6 116 4.5 6.8 137
Sun 01AM 18JAN26 6.7 10.1 153 6.1 9.1 159
Sun 04AM 18JAN26 8.0 11.9 154 6.1 9.1 157
Sun 07AM 18JAN26 7.5 11.3 139 4.8 7.2 125
Sun 10AM 18JAN26 5.9 8.8 135 5.0 7.6 79
Sun 01PM 18JAN26 6.7 10.0 227 4.7 7.0 266
Sun 04PM 18JAN26 7.8 11.7 209 4.7 7.1 229
Sun 07PM 18JAN26 7.3 11.0 120 6.0 9.0 75
Sun 10PM 18JAN26 5.1 7.7 112 3.9 5.8 80
Mon 01AM 19JAN26 4.9 7.3 102 3.8 5.6 77
Mon 04AM 19JAN26 5.8 8.7 94 5.7 8.6 61
Mon 07AM 19JAN26 6.7 10.1 46 7.0 10.5 33
Mon 10AM 19JAN26 6.1 9.1 17 6.5 9.7 18
Mon 01PM 19JAN26 4.6 6.9 348 4.8 7.1 353
Mon 04PM 19JAN26 3.7 5.6 6 3.5 5.3 10
Mon 07PM 19JAN26 6.7 10.1 47 5.8 8.7 42
Mon 10PM 19JAN26 6.1 9.2 55 4.7 7.1 58
Tue 01AM 20JAN26 4.8 7.1 78 3.9 5.8 98
Tue 04AM 20JAN26 3.3 5.0 97 3.0 4.5 114
Tue 07AM 20JAN26 2.9 4.3 101 2.7 4.0 119
Tue 10AM 20JAN26 1.5 2.3 249 1.7 2.6 222
Tue 01PM 20JAN26 4.5 6.7 239 4.5 6.7 230
Tue 04PM 20JAN26 4.0 5.9 224 4.4 6.6 214
Tue 07PM 20JAN26 2.3 3.5 117 3.6 5.4 140
Tue 10PM 20JAN26 3.2 4.7 115 4.5 6.8 140
Wed 01AM 21JAN26 2.6 3.9 152 4.0 6.0 161
Wed 04AM 21JAN26 2.9 4.3 163 3.7 5.5 165
Wed 07AM 21JAN26 1.2 1.7 89 2.1 3.2 122
Wed 10AM 21JAN26 5.1 7.7 304 4.2 6.3 255
Wed 01PM 21JAN26 6.9 10.3 296 6.4 9.6 256
Wed 04PM 21JAN26 6.6 9.9 212 9.5 14.2 199
Wed 07PM 21JAN26 6.2 9.2 176 7.1 10.7 176
Wed 10PM 21JAN26 10.1 15.1 184 9.1 13.6 183
Thu 01AM 22JAN26 13.5 20.2 179 13.0 19.5 179
Thu 04AM 22JAN26 11.2 16.8 179 11.1 16.7 177
Thu 07AM 22JAN26 11.1 16.6 182 12.5 18.7 179
Thu 10AM 22JAN26 10.2 15.2 196 13.7 20.6 191
Thu 01PM 22JAN26 13.9 20.8 191 14.7 22.1 189
Thu 04PM 22JAN26 9.4 14.0 178 12.3 18.5 179
Thu 07PM 22JAN26 2.7 4.0 133 3.4 5.1 148
Thu 10PM 22JAN26 5.1 7.7 44 5.2 7.8 31
Fri 01AM 23JAN26 6.0 9.0 61 8.5 12.7 38
Fri 04AM 23JAN26 6.2 9.4 73 8.4 12.5 44
Fri 07AM 23JAN26 9.3 13.9 119 8.6 12.9 71
Fri 10AM 23JAN26 10.9 16.4 173 7.0 10.5 171
Fri 01PM 23JAN26 15.4 23.0 188 15.4 23.1 188
Fri 04PM 23JAN26 21.2 31.8 185 23.7 35.6 185
Fri 07PM 23JAN26 30.8 46.2 178 27.4 41.0 180
Fri 10PM 23JAN26 21.5 32.3 171 13.1 19.6 168
Sat 01AM 24JAN26 23.5 35.3 165 13.9 20.9 159
Sat 04AM 24JAN26 25.1 37.6 148 14.2 21.4 112

.
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