Surf Forecasts and Marine Weather - No Hype - Just the Facts!
Here We Go - Kelvin Wave #1 Erupts!! - Video Forecast HERE (2/8/26)
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: 06Z Sun 15FEB2026
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Sat 10PM 14FEB26 19.0 28.5 168 26.0 39.0 173
Sun 01AM 15FEB26 16.8 25.2 168 25.3 37.9 173
Sun 04AM 15FEB26 20.1 30.1 170 28.1 42.2 174
Sun 07AM 15FEB26 18.6 27.9 168 25.9 38.8 173
Sun 10AM 15FEB26 17.0 25.5 187 23.3 35.0 185
Sun 01PM 15FEB26 13.8 20.7 192 19.8 29.8 189
Sun 04PM 15FEB26 13.1 19.7 191 18.0 27.0 189
Sun 07PM 15FEB26 13.3 20.0 160 20.2 30.3 168
Sun 10PM 15FEB26 17.9 26.8 168 25.2 37.8 173
Mon 01AM 16FEB26 17.9 26.9 176 23.1 34.7 176
Mon 04AM 16FEB26 20.1 30.1 179 27.7 41.5 178
Mon 07AM 16FEB26 12.4 18.7 177 22.2 33.3 177
Mon 10AM 16FEB26 15.9 23.9 195 27.0 40.4 188
Mon 01PM 16FEB26 22.1 33.2 187 33.3 50.0 185
Mon 04PM 16FEB26 21.1 31.6 198 27.6 41.5 192
Mon 07PM 16FEB26 23.5 35.3 199 35.0 52.5 192
Mon 10PM 16FEB26 28.0 42.0 189 28.2 42.3 189
Tue 01AM 17FEB26 26.4 39.5 192 20.7 31.1 195
Tue 04AM 17FEB26 21.2 31.7 190 17.6 26.3 189
Tue 07AM 17FEB26 28.3 42.5 191 24.1 36.1 191
Tue 10AM 17FEB26 28.4 42.6 193 28.2 42.3 191
Tue 01PM 17FEB26 38.7 58.1 194 35.4 53.1 192
Tue 04PM 17FEB26 43.1 64.6 193 41.4 62.2 192
Tue 07PM 17FEB26 43.1 64.6 193 37.1 55.6 194
Tue 10PM 17FEB26 43.9 65.9 192 43.2 64.9 190
Wed 01AM 18FEB26 35.2 52.8 195 27.1 40.7 202
Wed 04AM 18FEB26 28.5 42.8 197 18.7 28.1 209
Wed 07AM 18FEB26 28.7 43.1 224 19.8 29.7 280
Wed 10AM 18FEB26 28.5 42.8 226 19.1 28.6 277
Wed 01PM 18FEB26 19.3 29.0 227 14.0 21.0 275
Wed 04PM 18FEB26 18.4 27.6 228 12.8 19.2 278
Wed 07PM 18FEB26 18.5 27.8 139 11.9 17.8 91
Wed 10PM 18FEB26 17.3 25.9 138 10.6 15.9 90
Thu 01AM 19FEB26 17.2 25.9 131 11.7 17.6 79
Thu 04AM 19FEB26 11.7 17.6 163 8.5 12.7 161
Thu 07AM 19FEB26 8.5 12.8 169 7.7 11.5 168
Thu 10AM 19FEB26 8.1 12.2 184 5.9 8.9 181
Thu 01PM 19FEB26 11.4 17.1 211 7.7 11.6 223
Thu 04PM 19FEB26 14.9 22.3 213 9.6 14.4 239
Thu 07PM 19FEB26 13.8 20.7 206 8.3 12.5 240
Thu 10PM 19FEB26 12.7 19.0 124 16.2 24.3 69
Fri 01AM 20FEB26 21.9 32.8 125 27.5 41.3 70
Fri 04AM 20FEB26 20.9 31.3 126 24.7 37.1 70
Fri 07AM 20FEB26 19.6 29.4 128 19.2 28.8 72
Fri 10AM 20FEB26 18.2 27.3 138 14.3 21.5 77
Fri 01PM 20FEB26 14.0 21.0 231 11.1 16.6 284
Fri 04PM 20FEB26 9.6 14.4 228 6.7 10.1 274
Fri 07PM 20FEB26 10.2 15.3 142 6.5 9.7 108
Fri 10PM 20FEB26 10.5 15.7 143 6.4 9.6 116
Sat 01AM 21FEB26 9.0 13.6 135 5.9 8.8 98
Sat 04AM 21FEB26 8.9 13.4 128 6.1 9.2 88
Sat 07AM 21FEB26 9.9 14.8 117 9.3 13.9 69
Sat 10AM 21FEB26 7.2 10.8 141 10.7 16.0 77
Sat 01PM 21FEB26 7.4 11.1 239 11.9 17.9 292
Sat 04PM 21FEB26 8.6 12.9 138 12.5 18.8 77
Sat 07PM 21FEB26 9.8 14.8 107 12.1 18.2 63
Sat 10PM 21FEB26 8.7 13.1 110 9.2 13.8 67
Sun 01AM 22FEB26 7.3 11.0 106 7.3 10.9 67
Sun 04AM 22FEB26 5.5 8.2 110 4.0 6.0 92
Sun 07AM 22FEB26 4.8 7.3 106 5.0 7.6 131
Sun 10AM 22FEB26 2.8 4.2 124 5.7 8.5 147
Sun 01PM 22FEB26 8.1 12.1 147 10.8 16.1 157
Sun 04PM 22FEB26 9.0 13.5 153 11.5 17.3 161
Sun 07PM 22FEB26 9.6 14.5 145 12.8 19.1 158
Sun 10PM 22FEB26 10.7 16.1 151 14.0 21.1 162
Mon 01AM 23FEB26 11.7 17.6 156 16.2 24.3 165
Mon 04AM 23FEB26 13.7 20.6 161 16.4 24.6 168
Mon 07AM 23FEB26 12.0 17.9 159 14.7 22.0 167
Mon 10AM 23FEB26 12.5 18.8 168 16.3 24.5 172
Mon 01PM 23FEB26 15.2 22.8 169 17.0 25.4 172
Mon 04PM 23FEB26 17.4 26.1 170 17.8 26.6 172
Mon 07PM 23FEB26 15.2 22.7 163 15.4 23.1 168
Mon 10PM 23FEB26 14.9 22.4 165 15.4 23.0 170
Tue 01AM 24FEB26 16.8 25.3 167 19.2 28.7 172
Tue 04AM 24FEB26 22.4 33.6 170 24.4 36.5 173
Tue 07AM 24FEB26 23.8 35.7 172 24.0 35.9 175
Tue 10AM 24FEB26 21.8 32.8 176 17.7 26.6 176
Tue 01PM 24FEB26 16.0 24.0 172 13.5 20.2 171
Tue 04PM 24FEB26 18.3 27.4 171 15.8 23.8 172
Tue 07PM 24FEB26 18.2 27.4 172 16.7 25.0 174
Tue 10PM 24FEB26 21.4 32.2 175 22.5 33.7 178

.
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