What Is Wrong With Our Fall North Pacific Swell Season? - Video HERE (10/18/26)

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: 06Z Wed 21OCT2026 Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs) Tue 10PM 20OCT26 7.4 11.5 153 9.1 13.7 223 Wed 01AM 21OCT26 6.5 10.1 169 9.3 13.9 248 Wed 04AM 21OCT26 7.1 11.1 161 10.7 16.0 233 Wed 07AM 21OCT26 8.8 13.8 157 12.5 18.7 238 Wed 10AM 21OCT26 11.2 17.5 135 12.7 19.1 222 Wed 01PM 21OCT26 11.0 17.1 127 13.0 19.5 220 Wed 04PM 21OCT26 8.5 13.3 124 9.2 13.8 204 Wed 07PM 21OCT26 7.6 11.8 251 8.5 12.8 244 Wed 10PM 21OCT26 9.0 14.1 245 16.7 25.1 259 Thu 01AM 22OCT26 22.1 34.5 267 34.1 51.2 267 Thu 04AM 22OCT26 19.9 31.1 259 36.8 55.2 265 Thu 07AM 22OCT26 11.3 17.6 264 16.0 24.0 264 Thu 10AM 22OCT26 5.8 9.0 286 6.8 10.1 276 Thu 01PM 22OCT26 3.9 6.1 264 3.7 5.6 247 Thu 04PM 22OCT26 8.2 12.8 253 4.4 6.5 240 Thu 07PM 22OCT26 7.1 11.1 213 4.2 6.3 161 Thu 10PM 22OCT26 9.5 14.8 208 7.0 10.5 156 Fri 01AM 23OCT26 15.3 23.9 210 9.1 13.6 154 Fri 04AM 23OCT26 11.4 17.8 195 15.0 22.4 136 Fri 07AM 23OCT26 5.2 8.2 192 6.8 10.1 145 Fri 10AM 23OCT26 4.3 6.7 211 5.2 7.8 62 Fri 01PM 23OCT26 4.0 6.2 199 4.1 6.2 33 Fri 04PM 23OCT26 6.1 9.6 241 9.9 14.9 50 Fri 07PM 23OCT26 11.3 17.6 86 17.4 26.2 80 Fri 10PM 23OCT26 11.1 17.3 90 15.9 23.9 82 Sat 01AM 24OCT26 6.4 10.0 102 11.5 17.2 79 Sat 04AM 24OCT26 16.4 25.6 94 21.5 32.3 89 Sat 07AM 24OCT26 17.8 27.8 92 21.4 32.1 87 Sat 10AM 24OCT26 14.6 22.7 81 17.7 26.6 80 Sat 01PM 24OCT26 10.1 15.7 74 11.6 17.4 69 Sat 04PM 24OCT26 6.9 10.8 65 9.9 14.8 60 Sat 07PM 24OCT26 5.2 8.2 124 8.8 13.2 94 Sat 10PM 24OCT26 4.6 7.1 168 7.0 10.5 109 Sun 01AM 25OCT26 4.7 7.3 185 6.5 9.8 129 Sun 04AM 25OCT26 4.6 7.1 185 6.1 9.1 122 Sun 07AM 25OCT26 3.3 5.1 184 5.3 7.9 101 Sun 10AM 25OCT26 2.8 4.3 252 3.3 5.0 74 Sun 01PM 25OCT26 3.0 4.8 213 1.9 2.8 105 Sun 04PM 25OCT26 4.5 7.0 224 2.4 3.6 149 Sun 07PM 25OCT26 2.8 4.4 170 3.3 4.9 148 Sun 10PM 25OCT26 1.5 2.5 200 1.3 2.0 175 Mon 01AM 26OCT26 3.3 5.2 238 2.8 4.2 234 Mon 04AM 26OCT26 4.0 6.3 233 3.7 5.6 224 Mon 07AM 26OCT26 5.4 8.4 247 5.1 7.7 244 Mon 10AM 26OCT26 8.0 12.5 268 7.4 11.0 260 Mon 01PM 26OCT26 11.7 18.2 265 9.4 14.1 259 Mon 04PM 26OCT26 11.5 17.9 265 9.1 13.7 260 Mon 07PM 26OCT26 12.5 19.6 255 11.5 17.2 251 Mon 10PM 26OCT26 16.2 25.3 258 15.9 23.8 257 Tue 01AM 27OCT26 20.0 31.2 259 17.7 26.5 257 Tue 04AM 27OCT26 21.2 33.1 259 15.1 22.7 254 Tue 07AM 27OCT26 21.5 33.5 258 13.4 20.1 252 Tue 10AM 27OCT26 23.2 36.1 258 14.4 21.6 251 Tue 01PM 27OCT26 18.2 28.3 246 10.2 15.3 231 Tue 04PM 27OCT26 14.7 22.9 249 6.1 9.2 230 Tue 07PM 27OCT26 14.0 21.8 246 6.7 10.0 229 Tue 10PM 27OCT26 14.2 22.2 256 9.2 13.7 252 Wed 01AM 28OCT26 16.8 26.2 257 11.8 17.7 253 Wed 04AM 28OCT26 15.8 24.6 258 9.8 14.7 254 Wed 07AM 28OCT26 14.9 23.2 258 10.4 15.6 254 Wed 10AM 28OCT26 16.0 25.0 266 13.9 20.9 263 Wed 01PM 28OCT26 15.6 24.3 240 15.1 22.6 238 Wed 04PM 28OCT26 16.2 25.2 255 16.2 24.3 253 Wed 07PM 28OCT26 17.1 26.7 257 17.4 26.1 255 Wed 10PM 28OCT26 20.2 31.4 260 20.3 30.4 258 Thu 01AM 29OCT26 23.4 36.6 261 23.8 35.7 260 Thu 04AM 29OCT26 25.1 39.1 262 24.1 36.2 260 Thu 07AM 29OCT26 26.5 41.3 263 26.4 39.6 261 Thu 10AM 29OCT26 28.2 44.0 258 28.6 42.9 254 Thu 01PM 29OCT26 28.1 43.9 249 29.2 43.8 247 Thu 04PM 29OCT26 31.4 48.9 258 25.6 38.4 253 Thu 07PM 29OCT26 28.3 44.1 262 23.0 34.6 259 Thu 10PM 29OCT26 17.5 27.4 246 9.0 13.4 230 Fri 01AM 30OCT26 17.5 27.3 250 8.0 12.0 237 Fri 04AM 30OCT26 15.5 24.2 212 6.4 9.6 159 Fri 07AM 30OCT26 12.3 19.1 200 9.3 14.0 139 Fri 10AM 30OCT26 9.3 14.4 201 7.0 10.5 139 Fri 01PM 30OCT26 6.2 9.6 194 4.2 6.4 130 Fri 04PM 30OCT26 4.7 7.3 205 2.7 4.1 140 Fri 07PM 30OCT26 9.6 14.9 205 5.8 8.7 146 Fri 10PM 30OCT26 10.6 16.5 202 7.6 11.3 143

.

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