Surf Forecasts and Marine Weather - No Hype - Just the Facts!
Is This El Nino Poised to Surpass the '97 Event? - Video HERE (8/2/26)
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
.

Big_Sky - Snow Level Forecast
Location: 45.28N 111.45W
Base Elevation: 6800 ft
Peak Elevation: 11166 ft

 

240 hour GFS Model (0.25 deg) - 3 hr incrememts

 

Data

Initialized: 18Z Sat 15AUG2026
Day Frcst Time/Date 34.6 Deg Elev 32 Deg Elev 28 Deg Elev Srf Temp (F) Accum Snow (In)
Sat 11AM 15AUG26 11815 12106 12558 63.3 -
Sat 02PM 15AUG26 12089 12337 12724 66.4 N/A
Sat 05PM 15AUG26 12147 12402 13836 65.5 N/A
Sat 08PM 15AUG26 11781 12155 12740 47.8 N/A
Sat 11PM 15AUG26 12103 12430 13970 46.1 N/A
Sun 02AM 16AUG26 12269 12566 14033 45.5 N/A
Sun 05AM 16AUG26 12186 12468 13934 45.4 N/A
Sun 08AM 16AUG26 12146 12427 13886 56.1 N/A
Sun 11AM 16AUG26 12153 12409 13835 67.8 N/A
Sun 02PM 16AUG26 12384 12621 14019 71.4 N/A
Sun 05PM 16AUG26 12456 12692 14114 69.1 N/A
Sun 08PM 16AUG26 12370 12712 14174 50.7 N/A
Sun 11PM 16AUG26 12387 12668 14161 48.5 N/A
Mon 02AM 17AUG26 12431 12720 14150 48.6 N/A
Mon 05AM 17AUG26 12403 12678 14094 48.1 N/A
Mon 08AM 17AUG26 12421 12678 14088 59.1 N/A
Mon 11AM 17AUG26 12386 12625 14027 71.3 N/A
Mon 02PM 17AUG26 12572 13831 14199 73.0 N/A
Mon 05PM 17AUG26 12714 13971 14328 71.9 N/A
Mon 08PM 17AUG26 12553 13822 14202 59.8 N/A
Mon 11PM 17AUG26 12662 13950 14362 57.0 N/A
Tue 02AM 18AUG26 12527 13801 14208 54.9 N/A
Tue 05AM 18AUG26 12415 12667 14079 52.7 N/A
Tue 08AM 18AUG26 12173 12575 14093 55.1 N/A
Tue 11AM 18AUG26 12246 12530 13993 65.4 N/A
Tue 02PM 18AUG26 12407 12645 14040 71.3 N/A
Tue 05PM 18AUG26 12299 12610 14111 64.4 N/A
Tue 08PM 18AUG26 12075 12410 13943 54.0 N/A
Tue 11PM 18AUG26 12245 12524 13992 49.0 N/A
Wed 02AM 19AUG26 12143 12447 13929 47.5 N/A
Wed 05AM 19AUG26 11995 12267 12690 46.8 N/A
Wed 08AM 19AUG26 11913 12165 12556 59.2 N/A
Wed 11AM 19AUG26 12022 12260 12631 67.4 N/A
Wed 02PM 19AUG26 12388 12624 14012 70.7 N/A
Wed 05PM 19AUG26 12588 13845 14200 71.2 N/A
Wed 08PM 19AUG26 12576 13837 14232 57.1 N/A
Wed 11PM 19AUG26 12592 13869 14290 53.2 N/A
Thu 02AM 20AUG26 12591 13884 14341 51.3 N/A
Thu 05AM 20AUG26 12479 12727 14308 49.9 N/A
Thu 08AM 20AUG26 12497 13814 14413 63.0 N/A
Thu 11AM 20AUG26 12626 14010 14613 71.7 N/A
Thu 02PM 20AUG26 12709 14048 14575 75.7 N/A
Thu 05PM 20AUG26 13859 14134 14562 74.5 N/A
Thu 08PM 20AUG26 13962 14233 14656 59.1 N/A
Thu 11PM 20AUG26 14023 14299 14728 56.4 N/A
Fri 02AM 21AUG26 14015 14328 14817 55.0 N/A
Fri 05AM 21AUG26 14016 14381 17200 53.7 N/A
Fri 08AM 21AUG26 14113 14465 17268 67.8 N/A
Fri 11AM 21AUG26 14135 14467 17234 77.8 N/A
Fri 02PM 21AUG26 14273 14572 17291 81.3 N/A
Fri 05PM 21AUG26 14403 14692 17405 79.7 N/A
Fri 08PM 21AUG26 14544 14855 17618 64.8 N/A
Fri 11PM 21AUG26 14568 14841 17537 61.8 N/A
Sat 02AM 22AUG26 14468 14712 17351 59.8 N/A
Sat 05AM 22AUG26 14480 14719 17347 58.9 N/A
Sat 08AM 22AUG26 14497 14727 17340 73.7 N/A
Sat 11AM 22AUG26 14520 14753 17374 85.0 N/A
Sat 02PM 22AUG26 14517 14743 17352 83.5 N/A
Sat 05PM 22AUG26 14411 14647 17264 80.5 N/A
Sat 08PM 22AUG26 14303 14540 17153 65.3 N/A
Sat 11PM 22AUG26 14297 14561 17220 59.4 N/A
Sun 02AM 23AUG26 14226 14467 14841 57.6 N/A
Sun 05AM 23AUG26 13999 14248 14636 55.4 N/A
Sun 08AM 23AUG26 13891 14209 14704 67.4 N/A
Sun 11AM 23AUG26 13848 14115 14531 76.7 N/A
Sun 02PM 23AUG26 14029 14264 14627 79.6 N/A
Sun 05PM 23AUG26 14186 14412 14763 78.7 N/A
Sun 08PM 23AUG26 14174 14458 17142 59.5 N/A
Sun 11PM 23AUG26 14261 14590 17362 54.4 N/A
Mon 02AM 24AUG26 14241 14535 17242 52.4 N/A
Mon 05AM 24AUG26 14182 14454 17119 50.8 N/A
Mon 08AM 24AUG26 14076 14354 14787 64.7 N/A
Mon 11AM 24AUG26 14019 14281 14690 76.2 N/A
Mon 02PM 24AUG26 14104 14356 14747 80.7 N/A
Mon 05PM 24AUG26 14264 14497 17097 79.9 N/A
Mon 08PM 24AUG26 14372 14606 17219 62.9 N/A
Mon 11PM 24AUG26 14422 14653 17263 59.7 N/A
Tue 02AM 25AUG26 14391 14619 17220 58.3 N/A
Tue 05AM 25AUG26 14337 14568 17173 57.7 N/A
Tue 08AM 25AUG26 14289 14520 17121 72.5 N/A
Tue 11AM 25AUG26 14304 14535 17137 83.6 N/A

.
Contact | About | Disclaimer | Privacy
Advertise/Content | Links
Visit Mark Sponsler on Facebook Visit Stormsurf on Instagram Visit Stormsurf on YouTube
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