Is the North Pacific Ready to Deliver? - Video HERE (9/20/26)

Buoys | Buoy Forecast | Bulletins | Models: Wave - Weather - Surf - Altimetry - Snow | Pacific Forecast | QuikCAST | El Nino | Tutorials | Great Circles | Video

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 23SEP2026 Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs) Wed 04AM 23SEP26 4.3 6.7 243 2.8 4.2 237 Wed 07AM 23SEP26 3.6 5.6 244 2.9 4.3 235 Wed 10AM 23SEP26 3.6 5.7 283 3.9 5.8 264 Wed 01PM 23SEP26 4.8 7.5 310 1.9 2.9 300 Wed 04PM 23SEP26 3.5 5.4 217 5.5 8.3 206 Wed 07PM 23SEP26 5.8 9.0 141 4.3 6.5 171 Wed 10PM 23SEP26 4.2 6.5 173 4.6 6.9 212 Thu 01AM 24SEP26 3.2 5.1 185 3.9 5.9 222 Thu 04AM 24SEP26 3.2 5.0 194 4.1 6.1 229 Thu 07AM 24SEP26 3.0 4.7 199 4.6 6.8 230 Thu 10AM 24SEP26 3.6 5.7 256 4.9 7.3 249 Thu 01PM 24SEP26 5.7 8.9 228 5.5 8.3 208 Thu 04PM 24SEP26 10.3 16.0 225 9.1 13.6 245 Thu 07PM 24SEP26 7.8 12.1 165 7.3 11.0 232 Thu 10PM 24SEP26 6.6 10.3 189 9.7 14.5 247 Fri 01AM 25SEP26 11.7 18.3 248 15.8 23.8 254 Fri 04AM 25SEP26 15.9 24.8 256 16.7 25.1 255 Fri 07AM 25SEP26 19.7 30.8 260 16.8 25.3 257 Fri 10AM 25SEP26 19.3 30.2 242 17.0 25.5 235 Fri 01PM 25SEP26 18.0 28.1 234 17.8 26.6 232 Fri 04PM 25SEP26 16.9 26.3 241 17.5 26.2 240 Fri 07PM 25SEP26 11.3 17.7 249 13.8 20.7 251 Fri 10PM 25SEP26 8.7 13.6 240 10.9 16.4 246 Sat 01AM 26SEP26 11.1 17.3 247 14.1 21.1 252 Sat 04AM 26SEP26 14.1 22.0 254 16.6 24.8 256 Sat 07AM 26SEP26 15.7 24.5 259 17.5 26.2 259 Sat 10AM 26SEP26 16.6 25.8 258 18.7 28.1 255 Sat 01PM 26SEP26 14.3 22.4 233 16.8 25.3 239 Sat 04PM 26SEP26 13.6 21.3 228 19.7 29.6 247 Sat 07PM 26SEP26 11.0 17.2 230 17.4 26.1 247 Sat 10PM 26SEP26 14.2 22.2 249 20.2 30.2 255 Sun 01AM 27SEP26 17.6 27.5 256 21.8 32.6 259 Sun 04AM 27SEP26 19.4 30.3 258 22.4 33.6 259 Sun 07AM 27SEP26 21.1 33.0 261 22.8 34.2 260 Sun 10AM 27SEP26 22.0 34.3 256 23.6 35.4 254 Sun 01PM 27SEP26 18.6 29.0 236 22.6 33.9 241 Sun 04PM 27SEP26 20.3 31.6 246 25.2 37.8 249 Sun 07PM 27SEP26 18.2 28.5 257 22.9 34.4 259 Sun 10PM 27SEP26 18.6 29.0 257 23.6 35.4 261 Mon 01AM 28SEP26 15.1 23.6 257 18.0 26.9 262 Mon 04AM 28SEP26 9.3 14.6 255 12.5 18.7 262 Mon 07AM 28SEP26 5.1 7.9 172 5.9 8.8 249 Mon 10AM 28SEP26 8.2 12.8 47 8.5 12.7 30 Mon 01PM 28SEP26 10.4 16.2 50 11.6 17.3 42 Mon 04PM 28SEP26 13.3 20.8 52 15.1 22.6 54 Mon 07PM 28SEP26 13.7 21.3 68 13.8 20.7 61 Mon 10PM 28SEP26 15.2 23.6 82 14.6 21.9 78 Tue 01AM 29SEP26 16.3 25.5 89 16.5 24.8 82 Tue 04AM 29SEP26 18.5 28.8 91 16.8 25.2 85 Tue 07AM 29SEP26 17.7 27.6 91 18.0 27.0 88 Tue 10AM 29SEP26 14.8 23.1 79 14.1 21.2 78 Tue 01PM 29SEP26 9.3 14.5 63 9.1 13.6 57 Tue 04PM 29SEP26 6.3 9.8 232 8.1 12.1 55 Tue 07PM 29SEP26 7.6 11.9 98 6.7 10.1 105 Tue 10PM 29SEP26 4.7 7.4 115 4.8 7.2 110 Wed 01AM 30SEP26 4.2 6.6 180 5.1 7.6 133 Wed 04AM 30SEP26 5.0 7.8 185 6.1 9.2 142 Wed 07AM 30SEP26 4.3 6.6 180 5.4 8.1 137 Wed 10AM 30SEP26 2.3 3.6 226 2.1 3.2 167 Wed 01PM 30SEP26 4.6 7.1 238 2.8 4.2 196 Wed 04PM 30SEP26 5.9 9.1 195 8.1 12.2 163 Wed 07PM 30SEP26 4.8 7.5 141 5.1 7.6 139 Wed 10PM 30SEP26 5.4 8.4 235 3.6 5.4 214 Thu 01AM 01OCT26 6.7 10.4 242 5.3 8.0 233 Thu 04AM 01OCT26 7.1 11.1 244 6.0 9.0 240 Thu 07AM 01OCT26 6.7 10.4 245 5.4 8.0 238 Thu 10AM 01OCT26 7.8 12.2 261 5.6 8.4 254 Thu 01PM 01OCT26 5.6 8.7 223 4.4 6.7 208 Thu 04PM 01OCT26 6.5 10.2 185 7.3 10.9 156 Thu 07PM 01OCT26 5.4 8.4 132 5.8 8.8 143 Thu 10PM 01OCT26 5.7 8.8 235 5.9 8.9 236 Fri 01AM 02OCT26 7.9 12.4 246 7.8 11.6 239 Fri 04AM 02OCT26 8.7 13.5 250 7.6 11.4 248 Fri 07AM 02OCT26 8.1 12.6 250 7.1 10.6 246 Fri 10AM 02OCT26 9.4 14.7 258 8.8 13.2 254 Fri 01PM 02OCT26 9.0 14.0 226 7.7 11.6 221 Fri 04PM 02OCT26 7.3 11.5 211 8.3 12.4 210 Fri 07PM 02OCT26 6.1 9.5 184 7.9 11.8 230 Fri 10PM 02OCT26 8.1 12.7 239 9.7 14.6 239 Sat 01AM 03OCT26 12.7 19.8 252 12.2 18.3 251 Sat 04AM 03OCT26 13.0 20.2 253 10.7 16.1 251

.

Contact | About | Disclaimer | Privacy Advertise/Content | Links Copyright © 2026 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