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 Tue 11AUG2026
Day Frcst Time/Date 34.6 Deg Elev 32 Deg Elev 28 Deg Elev Srf Temp (F) Accum Snow (In)
Tue 11AM 11AUG26 12749 14067 14528 75.8 -
Tue 02PM 11AUG26 13985 14214 14570 80.2 N/A
Tue 05PM 11AUG26 14186 14413 14765 79.0 N/A
Tue 08PM 11AUG26 14157 14373 14708 66.0 N/A
Tue 11PM 11AUG26 14105 14336 14696 58.9 N/A
Wed 02AM 12AUG26 14092 14343 14732 57.2 N/A
Wed 05AM 12AUG26 13912 14159 14542 52.9 N/A
Wed 08AM 12AUG26 12711 13997 14408 65.9 N/A
Wed 11AM 12AUG26 12720 13983 14347 73.5 N/A
Wed 02PM 12AUG26 12678 13957 14378 76.3 N/A
Wed 05PM 12AUG26 13887 14184 14646 57.7 N/A
Wed 08PM 12AUG26 12463 12754 14288 52.7 N/A
Wed 11PM 12AUG26 12675 13975 14380 49.8 N/A
Thu 02AM 13AUG26 13847 14105 14507 47.1 N/A
Thu 05AM 13AUG26 12681 13972 14378 45.0 N/A
Thu 08AM 13AUG26 12540 13820 14221 55.0 N/A
Thu 11AM 13AUG26 12548 13830 14187 68.7 N/A
Thu 02PM 13AUG26 12418 12720 14275 64.6 N/A
Thu 05PM 13AUG26 11884 12441 14258 52.5 N/A
Thu 08PM 13AUG26 12059 12489 14198 51.3 N/A
Thu 11PM 13AUG26 11859 12404 14215 49.8 N/A
Fri 02AM 14AUG26 11855 12346 14112 49.2 N/A
Fri 05AM 14AUG26 11828 12272 13991 49.2 N/A
Fri 08AM 14AUG26 10757 12211 14008 49.5 N/A
Fri 11AM 14AUG26 11845 12298 14008 49.3 N/A
Fri 02PM 14AUG26 11923 12390 14084 51.6 N/A
Fri 05PM 14AUG26 12125 12502 14145 59.0 N/A
Fri 08PM 14AUG26 11931 12323 13982 48.6 N/A
Fri 11PM 14AUG26 11931 12243 12731 49.0 N/A
Sat 02AM 15AUG26 12030 12345 13875 47.8 N/A
Sat 05AM 15AUG26 12019 12341 13876 46.5 N/A
Sat 08AM 15AUG26 12014 12321 13830 54.6 N/A
Sat 11AM 15AUG26 12038 12351 13868 64.5 N/A
Sat 02PM 15AUG26 12291 12533 13950 70.1 N/A
Sat 05PM 15AUG26 12387 12643 14119 68.1 N/A
Sat 08PM 15AUG26 12406 12738 14233 49.7 N/A
Sat 11PM 15AUG26 12454 12713 14172 48.5 N/A
Sun 02AM 16AUG26 12485 13797 14207 48.0 N/A
Sun 05AM 16AUG26 12483 12722 14139 48.4 N/A
Sun 08AM 16AUG26 12524 13797 14177 61.1 N/A
Sun 11AM 16AUG26 12554 13817 14190 73.3 N/A
Sun 02PM 16AUG26 12575 13876 14323 71.3 N/A
Sun 05PM 16AUG26 13811 14095 14537 71.5 N/A
Sun 08PM 16AUG26 12642 13943 14415 58.7 N/A
Sun 11PM 16AUG26 12580 13882 14389 53.9 N/A
Mon 02AM 17AUG26 12577 13872 14358 52.7 N/A
Mon 05AM 17AUG26 12611 13910 14385 51.9 N/A
Mon 08AM 17AUG26 12602 13914 14364 65.0 N/A
Mon 11AM 17AUG26 12555 13832 14251 73.0 N/A
Mon 02PM 17AUG26 12617 13919 14411 72.4 N/A
Mon 05PM 17AUG26 12726 14070 14551 52.8 N/A
Mon 08PM 17AUG26 12590 13946 14364 51.7 N/A
Mon 11PM 17AUG26 12716 14011 14420 49.9 N/A
Tue 02AM 18AUG26 12627 13919 14352 50.0 N/A
Tue 05AM 18AUG26 12570 13853 14277 49.3 N/A
Tue 08AM 18AUG26 12515 12756 14165 60.9 N/A
Tue 11AM 18AUG26 12523 12764 14193 71.9 N/A
Tue 02PM 18AUG26 12710 13989 14393 74.4 N/A
Tue 05PM 18AUG26 12623 13915 14353 64.4 N/A
Tue 08PM 18AUG26 13909 14159 14547 53.3 N/A
Tue 11PM 18AUG26 12750 14110 14639 52.4 N/A
Wed 02AM 19AUG26 13886 14151 14564 51.1 N/A
Wed 05AM 19AUG26 13859 14133 14561 51.7 N/A
Wed 08AM 19AUG26 13832 14094 14500 64.1 N/A
Wed 11AM 19AUG26 13833 14087 14483 73.9 N/A
Wed 02PM 19AUG26 13816 14189 14773 72.6 N/A
Wed 05PM 19AUG26 14146 14403 14803 76.4 N/A
Wed 08PM 19AUG26 14032 14305 14729 58.4 N/A
Wed 11PM 19AUG26 12670 14059 14629 54.1 N/A
Thu 02AM 20AUG26 12523 13878 14437 53.3 N/A
Thu 05AM 20AUG26 12427 12733 14381 51.1 N/A
Thu 08AM 20AUG26 12332 12643 14168 59.8 N/A
Thu 11AM 20AUG26 12172 12463 13966 63.6 N/A
Thu 02PM 20AUG26 12209 12510 14036 62.3 N/A
Thu 05PM 20AUG26 12144 12494 14099 54.3 N/A
Thu 08PM 20AUG26 12287 12560 14026 52.3 N/A
Thu 11PM 20AUG26 12174 12447 13926 51.1 N/A
Fri 02AM 21AUG26 12052 12331 12767 48.0 N/A
Fri 05AM 21AUG26 11994 12293 12758 46.4 N/A
Fri 08AM 21AUG26 11995 12358 13970 56.5 N/A
Fri 11AM 21AUG26 12046 12382 13982 66.1 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