Surf Forecasts and Marine Weather - No Hype - Just the Facts!
Are We Headed Towards El Nino? - Video Forecast HERE (1/18/26)
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 Mon 19JAN2026
Day Frcst Time/Date 34.6 Deg Elev 32 Deg Elev 28 Deg Elev Srf Temp (F) Accum Snow (In)
Mon 11AM 19JAN26 3583 3951 5292 23.7 -
Mon 02PM 19JAN26 5103 5468 6744 28.7 0.0
Mon 05PM 19JAN26 3266 3634 4980 19.7 0.0
Mon 08PM 19JAN26 1978 2731 3562 15.5 0.0
Mon 11PM 19JAN26 1589 2347 3372 14.4 0.0
Tue 02AM 20JAN26 1470 2226 3314 13.9 0.0
Tue 05AM 20JAN26 1598 2352 3377 14.4 0.0
Tue 08AM 20JAN26 1951 2704 3547 15.6 0.0
Tue 11AM 20JAN26 3148 3564 4910 20.7 0.0
Tue 02PM 20JAN26 2452 3204 3792 18.4 0.1
Tue 05PM 20JAN26 2184 2935 3661 16.4 0.0
Tue 08PM 20JAN26 1254 2011 3180 13.1 0.0
Tue 11PM 20JAN26 1255 2010 3175 13.0 0.0
Wed 02AM 21JAN26 1331 2085 3249 13.1 0.0
Wed 05AM 21JAN26 1402 2159 3283 13.2 0.0
Wed 08AM 21JAN26 722 1483 2652 11.0 0.0
Wed 11AM 21JAN26 3247 3614 4960 20.9 0.0
Wed 02PM 21JAN26 3710 4855 5418 24.2 0.0
Wed 05PM 21JAN26 3270 3637 4983 19.0 0.0
Wed 08PM 21JAN26 2597 3294 3863 17.4 0.0
Wed 11PM 21JAN26 2413 3165 3773 16.6 0.0
Thu 02AM 22JAN26 1738 2491 3443 13.9 0.0
Thu 05AM 22JAN26 1318 2076 3242 12.5 0.0
Thu 08AM 22JAN26 953 1712 2876 11.1 0.0
Thu 11AM 22JAN26 3567 3936 5277 22.9 0.0
Thu 02PM 22JAN26 4989 5354 6668 27.3 0.0
Thu 05PM 22JAN26 3355 3722 5066 20.1 0.0
Thu 08PM 22JAN26 1040 1799 2962 12.4 0.0
Thu 11PM 22JAN26 882 1639 2804 11.5 0.0
Fri 02AM 23JAN26 1270 2026 3191 12.5 0.0
Fri 05AM 23JAN26 1783 2535 3464 14.2 0.0
Fri 08AM 23JAN26 2025 2779 3584 15.0 0.0
Fri 11AM 23JAN26 3646 4792 5354 23.1 0.0
Fri 02PM 23JAN26 3662 4809 5372 23.6 0.0
Fri 05PM 23JAN26 2855 3420 3992 18.2 0.0
Fri 08PM 23JAN26 1252 2008 3176 12.7 0.0
Fri 11PM 23JAN26 823 1583 2749 11.3 0.0
Sat 02AM 24JAN26 419 1184 2353 10.0 0.0
Sat 05AM 24JAN26 0 1047 2217 9.6 0.0
Sat 08AM 24JAN26 0 1052 2220 9.4 0.0
Sat 11AM 24JAN26 3444 3812 5155 22.5 0.0
Sat 02PM 24JAN26 4856 5219 6552 26.9 0.0
Sat 05PM 24JAN26 2951 3468 4817 19.0 0.0
Sat 08PM 24JAN26 1535 2291 3347 14.2 0.0
Sat 11PM 24JAN26 1554 2308 3355 14.2 0.0
Sun 02AM 25JAN26 1063 1818 2984 12.4 0.0
Sun 05AM 25JAN26 887 1645 2813 11.8 0.0
Sun 08AM 25JAN26 1173 1931 3096 12.5 0.0
Sun 11AM 25JAN26 3553 3922 5263 23.0 0.0
Sun 02PM 25JAN26 4901 5264 6590 27.1 0.0
Sun 05PM 25JAN26 3295 3663 5007 20.3 0.0
Sun 08PM 25JAN26 1909 2661 3527 15.5 0.0
Sun 11PM 25JAN26 1843 2595 3494 15.0 0.0
Mon 02AM 26JAN26 2664 3326 3895 18.0 0.0
Mon 05AM 26JAN26 3119 3549 4895 19.5 0.0
Mon 08AM 26JAN26 3318 3686 5031 20.3 0.0
Mon 11AM 26JAN26 4904 5267 6820 26.6 0.0
Mon 02PM 26JAN26 5318 6488 6999 29.6 0.0
Mon 05PM 26JAN26 3822 4965 5529 23.8 0.0
Mon 08PM 26JAN26 3684 4829 5392 22.7 0.0
Mon 11PM 26JAN26 3579 3948 5288 22.0 0.0
Tue 02AM 27JAN26 3517 3886 5226 21.5 0.0
Tue 05AM 27JAN26 3703 4847 5410 22.5 0.0
Tue 08AM 27JAN26 3890 5032 6527 24.2 0.0
Tue 11AM 27JAN26 5472 6648 7205 30.9 0.0
Tue 02PM 27JAN26 6532 6822 8146 33.1 0.0
Tue 05PM 27JAN26 5069 5432 7149 27.3 0.0
Tue 08PM 27JAN26 3639 4784 5347 22.8 0.0
Tue 11PM 27JAN26 3729 4873 5436 23.3 0.0
Wed 02AM 28JAN26 3607 3975 5314 22.4 0.0
Wed 05AM 28JAN26 3505 3874 5216 21.6 0.0
Wed 08AM 28JAN26 3416 3784 5127 21.2 0.0
Wed 11AM 28JAN26 5336 6661 8574 30.1 0.0
Wed 02PM 28JAN26 6586 6935 8839 33.3 0.0
Wed 05PM 28JAN26 5070 5434 8772 27.6 0.0
Wed 08PM 28JAN26 5005 5370 8463 27.0 0.0
Wed 11PM 28JAN26 4956 5320 8471 26.6 0.0
Thu 02AM 29JAN26 4919 5282 8550 26.1 0.0
Thu 05AM 29JAN26 5064 5428 8347 27.0 0.0
Thu 08AM 29JAN26 4955 5319 7158 26.1 0.0
Thu 11AM 29JAN26 6431 6752 8107 31.7 0.0

.
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