Surf Forecasts and Marine Weather - No Hype - Just the Facts!
How Warm Will the NINO3.4 Region Get....Exactly? - Video HERE (8/16/26)
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: 00Z Mon 17AUG2026
Day Frcst Time/Date 34.6 Deg Elev 32 Deg Elev 28 Deg Elev Srf Temp (F) Accum Snow (In)
Sun 05PM 16AUG26 12086 12339 12732 65.3 -
Sun 08PM 16AUG26 12240 12559 14051 49.3 N/A
Sun 11PM 16AUG26 12122 12418 13907 51.3 N/A
Mon 02AM 17AUG26 12315 12592 14056 49.5 N/A
Mon 05AM 17AUG26 12342 12591 14017 49.5 N/A
Mon 08AM 17AUG26 12377 12611 14012 59.7 N/A
Mon 11AM 17AUG26 12371 12622 14027 69.5 N/A
Mon 02PM 17AUG26 12536 13798 14170 72.2 N/A
Mon 05PM 17AUG26 12593 13859 14230 70.3 N/A
Mon 08PM 17AUG26 12480 12728 14177 56.8 N/A
Mon 11PM 17AUG26 12514 13820 14232 53.9 N/A
Tue 02AM 18AUG26 12488 12756 14163 51.5 N/A
Tue 05AM 18AUG26 12374 12614 14020 52.0 N/A
Tue 08AM 18AUG26 12290 12537 13939 62.0 N/A
Tue 11AM 18AUG26 12237 12480 13884 69.9 N/A
Tue 02PM 18AUG26 12567 13829 14194 73.5 N/A
Tue 05PM 18AUG26 12535 13802 14224 64.8 N/A
Tue 08PM 18AUG26 12394 12667 14119 55.6 N/A
Tue 11PM 18AUG26 12443 12719 14181 52.7 N/A
Wed 02AM 19AUG26 12326 12602 14066 50.6 N/A
Wed 05AM 19AUG26 12326 12597 14105 49.9 N/A
Wed 08AM 19AUG26 12310 12602 14173 63.1 N/A
Wed 11AM 19AUG26 12399 12646 14302 72.1 N/A
Wed 02PM 19AUG26 12665 13995 14549 75.6 N/A
Wed 05PM 19AUG26 13921 14149 14503 75.5 N/A
Wed 08PM 19AUG26 13956 14194 14563 59.5 N/A
Wed 11PM 19AUG26 14006 14294 14743 56.0 N/A
Thu 02AM 20AUG26 13954 14262 14742 54.2 N/A
Thu 05AM 20AUG26 13855 14185 14699 53.4 N/A
Thu 08AM 20AUG26 13958 14244 14690 67.9 N/A
Thu 11AM 20AUG26 13936 14219 14659 77.6 N/A
Thu 02PM 20AUG26 14138 14368 14724 81.4 N/A
Thu 05PM 20AUG26 14383 14609 17209 81.3 N/A
Thu 08PM 20AUG26 14309 14542 17147 67.2 N/A
Thu 11PM 20AUG26 14355 14590 17203 60.5 N/A
Fri 02AM 21AUG26 14312 14561 17194 58.4 N/A
Fri 05AM 21AUG26 14289 14532 17153 57.3 N/A
Fri 08AM 21AUG26 14299 14555 17199 70.9 N/A
Fri 11AM 21AUG26 14290 14538 17169 81.3 N/A
Fri 02PM 21AUG26 14471 14701 17313 85.4 N/A
Fri 05PM 21AUG26 14503 14727 17333 83.8 N/A
Fri 08PM 21AUG26 14564 14824 17496 56.8 N/A
Fri 11PM 21AUG26 14474 14730 17387 56.8 N/A
Sat 02AM 22AUG26 14439 14682 17316 54.4 N/A
Sat 05AM 22AUG26 14489 14740 17390 55.3 N/A
Sat 08AM 22AUG26 14386 14622 17238 69.0 N/A
Sat 11AM 22AUG26 14292 14530 17144 81.8 N/A
Sat 02PM 22AUG26 14259 14506 17131 79.1 N/A
Sat 05PM 22AUG26 13980 14289 14772 61.4 N/A
Sat 08PM 22AUG26 14068 14338 14757 59.7 N/A
Sat 11PM 22AUG26 13936 14191 14586 57.3 N/A
Sun 02AM 23AUG26 13805 14083 14514 55.5 N/A
Sun 05AM 23AUG26 12721 14006 14411 55.4 N/A
Sun 08AM 23AUG26 12623 13908 14342 68.0 N/A
Sun 11AM 23AUG26 13798 14032 14396 76.8 N/A
Sun 02PM 23AUG26 14133 14364 14724 80.2 N/A
Sun 05PM 23AUG26 14148 14429 17107 73.7 N/A
Sun 08PM 23AUG26 14050 14255 14572 63.8 N/A
Sun 11PM 23AUG26 13898 14126 14480 58.2 N/A
Mon 02AM 24AUG26 13913 14176 14585 55.0 N/A
Mon 05AM 24AUG26 13806 14071 14483 52.5 N/A
Mon 08AM 24AUG26 12702 13980 14367 66.6 N/A
Mon 11AM 24AUG26 12687 13955 14329 75.6 N/A
Mon 02PM 24AUG26 13982 14213 14571 79.7 N/A
Mon 05PM 24AUG26 14086 14321 14685 77.6 N/A
Mon 08PM 24AUG26 13978 14195 14531 62.9 N/A
Mon 11PM 24AUG26 13951 14200 14587 59.6 N/A
Tue 02AM 25AUG26 13910 14146 14511 55.6 N/A
Tue 05AM 25AUG26 13852 14125 14550 55.0 N/A
Tue 08AM 25AUG26 13812 14080 14498 62.0 N/A
Tue 11AM 25AUG26 12670 13966 14375 75.1 N/A
Tue 02PM 25AUG26 12614 13922 14422 66.9 N/A
Tue 05PM 25AUG26 13807 14080 14507 70.6 N/A
Tue 08PM 25AUG26 12724 14020 14452 57.5 N/A
Tue 11PM 25AUG26 13799 14097 14561 55.2 N/A
Wed 02AM 26AUG26 13838 14104 14519 54.3 N/A
Wed 05AM 26AUG26 12768 14069 14495 53.0 N/A
Wed 08AM 26AUG26 12757 14044 14451 67.4 N/A
Wed 11AM 26AUG26 12768 14036 14414 78.7 N/A
Wed 02PM 26AUG26 14087 14316 14672 80.7 N/A
Wed 05PM 26AUG26 14158 14385 14737 78.7 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