Surf Forecasts and Marine Weather - No Hype - Just the Facts!
One Week and Counting for MJO #3!! - Video Forecast HERE (2/15/26)
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 Fri 20FEB2026
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Thu 04PM 19FEB26 24.8 37.2 199 16.9 25.3 211
Thu 07PM 19FEB26 18.0 27.0 230 13.7 20.6 285
Thu 10PM 19FEB26 21.7 32.6 133 20.0 30.0 75
Fri 01AM 20FEB26 23.0 34.5 129 23.2 34.9 73
Fri 04AM 20FEB26 22.7 34.0 127 26.6 39.8 71
Fri 07AM 20FEB26 17.9 26.8 123 22.2 33.3 69
Fri 10AM 20FEB26 11.2 16.8 231 14.0 21.0 288
Fri 01PM 20FEB26 10.1 15.1 230 8.5 12.7 287
Fri 04PM 20FEB26 8.8 13.2 227 5.6 8.4 271
Fri 07PM 20FEB26 7.8 11.7 170 5.5 8.2 165
Fri 10PM 20FEB26 8.8 13.2 159 8.9 13.3 165
Sat 01AM 21FEB26 13.6 20.4 156 8.5 12.7 149
Sat 04AM 21FEB26 15.6 23.3 163 10.5 15.8 163
Sat 07AM 21FEB26 17.6 26.5 167 15.9 23.8 170
Sat 10AM 21FEB26 17.7 26.6 179 19.7 29.6 179
Sat 01PM 21FEB26 22.5 33.8 183 22.8 34.1 183
Sat 04PM 21FEB26 22.6 33.9 179 21.7 32.6 180
Sat 07PM 21FEB26 23.3 35.0 172 21.9 32.8 174
Sat 10PM 21FEB26 23.0 34.5 170 25.7 38.5 174
Sun 01AM 22FEB26 26.6 39.9 172 29.2 43.8 174
Sun 04AM 22FEB26 26.8 40.3 172 27.6 41.4 175
Sun 07AM 22FEB26 26.5 39.7 172 24.3 36.4 174
Sun 10AM 22FEB26 24.7 37.0 177 21.9 32.8 179
Sun 01PM 22FEB26 24.4 36.5 176 20.0 30.0 176
Sun 04PM 22FEB26 22.9 34.4 173 17.1 25.6 173
Sun 07PM 22FEB26 20.7 31.1 167 14.2 21.4 167
Sun 10PM 22FEB26 17.3 25.9 165 13.8 20.8 168
Mon 01AM 23FEB26 16.7 25.1 166 15.6 23.4 171
Mon 04AM 23FEB26 16.8 25.2 166 16.6 24.8 170
Mon 07AM 23FEB26 17.4 26.2 168 18.3 27.4 172
Mon 10AM 23FEB26 18.8 28.2 176 20.4 30.6 176
Mon 01PM 23FEB26 23.6 35.5 176 23.2 34.8 177
Mon 04PM 23FEB26 24.3 36.5 175 20.9 31.3 176
Mon 07PM 23FEB26 27.7 41.5 173 20.4 30.6 175
Mon 10PM 23FEB26 27.3 40.9 176 21.1 31.6 177
Tue 01AM 24FEB26 28.2 42.2 174 22.3 33.4 174
Tue 04AM 24FEB26 25.0 37.5 179 16.7 25.0 179
Tue 07AM 24FEB26 28.3 42.4 180 18.6 27.9 179
Tue 10AM 24FEB26 30.6 45.9 176 19.7 29.5 172
Tue 01PM 24FEB26 35.4 53.1 179 27.5 41.3 178
Tue 04PM 24FEB26 37.6 56.4 182 27.6 41.4 182
Tue 07PM 24FEB26 27.4 41.2 181 21.2 31.8 179
Tue 10PM 24FEB26 21.2 31.8 177 13.2 19.8 170
Wed 01AM 25FEB26 22.8 34.1 147 13.3 19.9 104
Wed 04AM 25FEB26 23.9 35.8 158 13.5 20.3 130
Wed 07AM 25FEB26 20.0 30.0 179 12.3 18.4 179
Wed 10AM 25FEB26 20.2 30.3 181 11.9 17.9 182
Wed 01PM 25FEB26 21.9 32.9 222 12.3 18.4 270
Wed 04PM 25FEB26 21.4 32.1 139 14.3 21.4 83
Wed 07PM 25FEB26 15.3 22.9 129 10.9 16.3 75
Wed 10PM 25FEB26 12.1 18.1 131 8.0 12.0 84
Thu 01AM 26FEB26 13.2 19.8 145 7.9 11.8 120
Thu 04AM 26FEB26 15.4 23.1 158 9.1 13.7 154
Thu 07AM 26FEB26 14.5 21.7 135 9.0 13.5 90
Thu 10AM 26FEB26 11.4 17.1 164 6.5 9.7 153
Thu 01PM 26FEB26 10.8 16.2 223 6.3 9.4 283
Thu 04PM 26FEB26 8.5 12.7 121 5.2 7.8 67
Thu 07PM 26FEB26 8.4 12.5 147 5.7 8.6 143
Thu 10PM 26FEB26 11.1 16.6 161 8.9 13.3 165
Fri 01AM 27FEB26 13.7 20.6 164 10.5 15.8 167
Fri 04AM 27FEB26 13.5 20.3 162 9.4 14.1 165
Fri 07AM 27FEB26 11.5 17.2 160 9.0 13.5 163
Fri 10AM 27FEB26 9.5 14.3 175 8.8 13.2 178
Fri 01PM 27FEB26 10.4 15.6 188 10.2 15.3 189
Fri 04PM 27FEB26 14.0 21.0 181 11.5 17.2 186
Fri 07PM 27FEB26 25.1 37.7 164 15.0 22.5 157
Fri 10PM 27FEB26 27.0 40.4 170 16.2 24.3 168
Sat 01AM 28FEB26 26.3 39.5 174 20.4 30.6 176
Sat 04AM 28FEB26 31.9 47.9 174 27.4 41.0 174
Sat 07AM 28FEB26 23.1 34.6 172 22.9 34.3 174
Sat 10AM 28FEB26 21.2 31.8 186 21.9 32.9 185
Sat 01PM 28FEB26 21.9 32.8 192 24.6 36.8 191
Sat 04PM 29FEB26 22.1 33.2 192 25.5 38.3 191
Sat 07PM 29FEB26 22.3 33.4 177 26.6 40.0 179
Sat 10PM 29FEB26 23.9 35.9 175 29.4 44.0 177
Sun 01AM 01MAR26 22.6 33.8 179 28.5 42.7 179
Sun 04AM 01MAR26 21.2 31.9 193 27.3 40.9 190
Sun 07AM 01MAR26 33.6 50.4 189 35.7 53.6 188
Sun 10AM 01MAR26 22.5 33.7 192 20.4 30.6 192
Sun 01PM 01MAR26 18.3 27.5 198 13.2 19.7 205
Sun 04PM 01MAR26 18.3 27.4 231 16.6 24.9 287

.
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