Surf Forecasts and Marine Weather - No Hype - Just the Facts!
Is This the Last Inactive MJO of Out Current La Nina?. - Video Forecast HERE (12/21/25)
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: 12Z Fri 26DEC2025
Day Frcst Time/Date 34.6 Deg Elev 32 Deg Elev 28 Deg Elev Srf Temp (F) Accum Snow (In)
Fri 05AM 26DEC25 5474 6669 8120 28.8 -
Fri 08AM 26DEC25 5556 6749 8174 29.3 0.0
Fri 11AM 26DEC25 6605 6919 8249 31.7 0.1
Fri 02PM 26DEC25 6702 7025 8315 32.3 0.0
Fri 05PM 26DEC25 5290 6475 7077 26.9 0.0
Fri 08PM 26DEC25 3499 3867 5209 19.9 0.0
Fri 11PM 26DEC25 3518 3886 5228 20.3 0.0
Sat 02AM 27DEC25 3876 5018 6398 22.8 0.0
Sat 05AM 27DEC25 3847 4989 5553 22.7 1.0
Sat 08AM 27DEC25 3524 3892 5233 20.4 1.4
Sat 11AM 27DEC25 2034 2787 3589 15.8 1.9
Sat 02PM 27DEC25 2687 3337 3907 17.8 2.0
Sat 05PM 27DEC25 1653 2408 3403 14.0 0.0
Sat 08PM 27DEC25 0 0 1331 6.2 0.0
Sat 11PM 27DEC25 0 0 435 3.4 0.0
Sun 02AM 28DEC25 0 0 0 1.5 0.0
Sun 05AM 28DEC25 0 0 0 0.1 0.0
Sun 08AM 28DEC25 0 0 0 0.7 0.0
Sun 11AM 28DEC25 1079 1834 3000 14.1 0.0
Sun 02PM 28DEC25 2028 2781 3586 17.2 0.0
Sun 05PM 28DEC25 0 642 1823 8.8 0.0
Sun 08PM 28DEC25 0 0 1158 7.0 0.0
Sun 11PM 28DEC25 0 0 964 6.5 0.0
Mon 02AM 29DEC25 0 0 891 6.4 0.0
Mon 05AM 29DEC25 0 0 1099 7.1 0.0
Mon 08AM 29DEC25 0 397 1573 8.6 0.0
Mon 11AM 29DEC25 2553 3271 3841 19.2 0.0
Mon 02PM 29DEC25 3555 3924 5264 23.5 0.0
Mon 05PM 29DEC25 1627 2383 3392 14.9 0.0
Mon 08PM 29DEC25 1010 1769 2933 12.9 0.0
Mon 11PM 29DEC25 1011 1770 2937 13.0 0.0
Tue 02AM 30DEC25 1490 2245 3324 14.6 0.0
Tue 05AM 30DEC25 1982 2734 3562 16.3 0.0
Tue 08AM 30DEC25 2936 3460 4809 19.6 0.0
Tue 11AM 30DEC25 3868 5011 6392 25.5 0.0
Tue 02PM 30DEC25 5062 5427 6895 28.3 0.0
Tue 05PM 30DEC25 3298 3665 5009 20.4 0.0
Tue 08PM 30DEC25 2743 3366 3935 18.3 0.0
Tue 11PM 30DEC25 2792 3389 3959 18.2 0.0
Wed 02AM 31DEC25 2945 3464 4814 18.6 0.0
Wed 05AM 31DEC25 2645 3317 3887 17.7 0.0
Wed 08AM 31DEC25 2707 8097 3916 18.1 0.0
Wed 11AM 31DEC25 5146 8534 10318 28.6 0.0
Wed 02PM 31DEC25 5511 6950 10349 31.2 0.0
Wed 05PM 31DEC25 3594 8572 5302 22.0 0.0
Wed 08PM 31DEC25 3539 8831 5249 21.8 0.0
Wed 11PM 31DEC25 8179 10012 5164 21.2 0.0
Thu 02AM 01JAN26 8839 10185 5267 21.9 0.0
Thu 05AM 01JAN26 10056 10414 5358 22.4 0.0
Thu 08AM 01JAN26 10108 10452 5334 22.2 0.0
Thu 11AM 01JAN26 10166 10534 12089 32.2 0.0
Thu 02PM 01JAN26 10211 10544 12070 34.5 0.0
Thu 05PM 01JAN26 10318 10680 12234 26.4 0.0
Thu 08PM 01JAN26 10350 10720 12216 25.8 0.0
Thu 11PM 01JAN26 10371 10810 12250 25.4 0.0
Fri 02AM 02JAN26 10037 10630 12139 26.4 0.0
Fri 05AM 02JAN26 9956 10346 11883 26.0 0.0
Fri 08AM 02JAN26 4806 10031 10467 24.8 0.0
Fri 11AM 02JAN26 5369 6890 10219 29.6 0.0
Fri 02PM 02JAN26 5528 6706 10056 30.9 0.0
Fri 05PM 02JAN26 3767 4911 5474 23.2 0.0
Fri 08PM 02JAN26 3478 3846 5187 21.3 0.0
Fri 11PM 02JAN26 3759 4903 5464 23.3 0.0
Sat 02AM 03JAN26 3702 4848 5408 22.9 0.0
Sat 05AM 03JAN26 3622 3991 5329 22.3 0.0
Sat 08AM 03JAN26 3505 3874 5215 21.6 0.0
Sat 11AM 03JAN26 4853 5215 6624 26.4 0.0
Sat 02PM 03JAN26 5223 6401 6848 28.9 0.0
Sat 05PM 03JAN26 4973 5336 6766 26.2 0.0
Sat 08PM 03JAN26 5175 5539 7023 27.5 0.0
Sat 11PM 03JAN26 5463 6676 8232 29.4 0.0
Sun 02AM 04JAN26 5383 6609 8268 28.9 2.4
Sun 05AM 04JAN26 5208 5572 7156 27.6 0.0
Sun 08AM 04JAN26 4956 5318 7008 25.8 0.0
Sun 11AM 04JAN26 5404 6555 7033 29.7 0.0
Sun 02PM 04JAN26 6481 6784 8123 31.5 0.0
Sun 05PM 04JAN26 5357 6541 7121 28.4 0.0
Sun 08PM 04JAN26 5325 6512 7118 28.1 0.0
Sun 11PM 04JAN26 5142 5507 6914 26.6 0.0
Mon 02AM 05JAN26 3991 5132 6541 23.6 0.0
Mon 05AM 05JAN26 4840 5202 6579 24.2 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