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: 18Z Tue 18AUG2026
Day Frcst Time/Date 34.6 Deg Elev 32 Deg Elev 28 Deg Elev Srf Temp (F) Accum Snow (In)
Tue 11AM 18AUG26 12243 12491 13912 69.6 -
Tue 02PM 18AUG26 12498 12736 14126 72.8 N/A
Tue 05PM 18AUG26 12386 12650 14136 67.2 N/A
Tue 08PM 18AUG26 12384 12633 14111 55.8 N/A
Tue 11PM 18AUG26 12340 12625 14102 53.0 N/A
Wed 02AM 19AUG26 12309 12581 14076 51.5 N/A
Wed 05AM 19AUG26 12304 12586 14160 49.9 N/A
Wed 08AM 19AUG26 12339 12687 14404 62.6 N/A
Wed 11AM 19AUG26 12438 12739 14573 70.7 N/A
Wed 02PM 19AUG26 12646 13973 14549 75.1 N/A
Wed 05PM 19AUG26 13894 14130 14496 75.2 N/A
Wed 08PM 19AUG26 13881 14177 14638 58.4 N/A
Wed 11PM 19AUG26 13938 14260 14763 55.6 N/A
Thu 02AM 20AUG26 13924 14201 14632 53.7 N/A
Thu 05AM 20AUG26 13885 14189 14663 52.4 N/A
Thu 08AM 20AUG26 13936 14200 14611 67.5 N/A
Thu 11AM 20AUG26 13942 14190 14575 77.8 N/A
Thu 02PM 20AUG26 14204 14433 14790 81.9 N/A
Thu 05PM 20AUG26 14347 14576 17179 79.5 N/A
Thu 08PM 20AUG26 14383 14614 17222 65.0 N/A
Thu 11PM 20AUG26 14342 14592 17229 60.0 N/A
Fri 02AM 21AUG26 14389 14651 17313 59.6 N/A
Fri 05AM 21AUG26 14360 14609 17246 58.0 N/A
Fri 08AM 21AUG26 14250 14478 14832 72.4 N/A
Fri 11AM 21AUG26 14281 14517 17124 81.1 N/A
Fri 02PM 21AUG26 14402 14631 17235 85.0 N/A
Fri 05PM 21AUG26 14549 14778 17394 82.9 N/A
Fri 08PM 21AUG26 14485 14724 17354 65.4 N/A
Fri 11PM 21AUG26 14343 14548 17105 60.7 N/A
Sat 02AM 22AUG26 14247 14534 17230 60.9 N/A
Sat 05AM 22AUG26 14226 14471 14852 58.1 N/A
Sat 08AM 22AUG26 13959 14235 14665 65.2 N/A
Sat 11AM 22AUG26 13864 14180 14672 76.8 N/A
Sat 02PM 22AUG26 14121 14367 14749 78.0 N/A
Sat 05PM 22AUG26 13971 14285 14775 55.2 N/A
Sat 08PM 22AUG26 14069 14333 14744 57.4 N/A
Sat 11PM 22AUG26 13952 14194 14570 55.3 N/A
Sun 02AM 23AUG26 13810 14069 14471 54.0 N/A
Sun 05AM 23AUG26 12589 13876 14366 53.5 N/A
Sun 08AM 23AUG26 12617 13969 14555 65.5 N/A
Sun 11AM 23AUG26 12586 13887 14452 73.5 N/A
Sun 02PM 23AUG26 13873 14103 14460 77.2 N/A
Sun 05PM 23AUG26 14014 14231 14568 76.7 N/A
Sun 08PM 23AUG26 14016 14238 14583 64.1 N/A
Sun 11PM 23AUG26 13999 14235 14600 56.8 N/A
Mon 02AM 24AUG26 14011 14256 14636 55.1 N/A
Mon 05AM 24AUG26 13899 14155 14552 53.9 N/A
Mon 08AM 24AUG26 12753 14034 14432 65.6 N/A
Mon 11AM 24AUG26 13828 14083 14478 75.2 N/A
Mon 02PM 24AUG26 13927 14170 14546 78.6 N/A
Mon 05PM 24AUG26 14083 14353 14773 68.2 N/A
Mon 08PM 24AUG26 13859 14126 14542 59.8 N/A
Mon 11PM 24AUG26 13803 14168 14739 54.3 N/A
Tue 02AM 25AUG26 14117 14380 14789 53.8 N/A
Tue 05AM 25AUG26 14008 14270 14676 53.2 N/A
Tue 08AM 25AUG26 13954 14215 14622 66.8 N/A
Tue 11AM 25AUG26 13889 14162 14587 77.6 N/A
Tue 02PM 25AUG26 14102 14341 14712 80.6 N/A
Tue 05PM 25AUG26 14247 14475 14829 79.3 N/A
Tue 08PM 25AUG26 14185 14435 14823 64.3 N/A
Tue 11PM 25AUG26 13822 14147 14654 63.6 N/A
Wed 02AM 26AUG26 14048 14339 14791 57.7 N/A
Wed 05AM 26AUG26 14061 14374 17102 56.4 N/A
Wed 08AM 26AUG26 13857 14213 14768 67.2 N/A
Wed 11AM 26AUG26 13874 14217 14754 76.5 N/A
Wed 02PM 26AUG26 14112 14357 14736 80.2 N/A
Wed 05PM 26AUG26 14176 14415 14785 76.8 N/A
Wed 08PM 26AUG26 14137 14375 14746 62.6 N/A
Wed 11PM 26AUG26 14086 14336 14725 60.2 N/A
Thu 02AM 27AUG26 14074 14347 14774 58.0 N/A
Thu 05AM 27AUG26 14111 14411 17120 57.0 N/A
Thu 08AM 27AUG26 14006 14290 14733 66.8 N/A
Thu 11AM 27AUG26 13981 14251 14673 75.1 N/A
Thu 02PM 27AUG26 14122 14364 14741 78.3 N/A
Thu 05PM 27AUG26 14039 14404 17225 53.8 N/A
Thu 08PM 27AUG26 14038 14314 14743 54.7 N/A
Thu 11PM 27AUG26 13899 14161 14568 52.7 N/A
Fri 02AM 28AUG26 13882 14153 14575 52.4 N/A
Fri 05AM 28AUG26 12756 14059 14494 52.0 N/A
Fri 08AM 28AUG26 12707 13995 14412 63.4 N/A
Fri 11AM 28AUG26 12402 12648 14173 70.7 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