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 Wed 19AUG2026
Day Frcst Time/Date 34.6 Deg Elev 32 Deg Elev 28 Deg Elev Srf Temp (F) Accum Snow (In)
Tue 05PM 18AUG26 12422 12681 14143 67.4 -
Tue 08PM 18AUG26 12410 12655 14108 56.0 N/A
Tue 11PM 18AUG26 12347 12630 14098 53.2 N/A
Wed 02AM 19AUG26 12268 12536 14033 51.3 N/A
Wed 05AM 19AUG26 12280 12575 14193 50.0 N/A
Wed 08AM 19AUG26 12344 12707 14416 62.5 N/A
Wed 11AM 19AUG26 12469 13829 14579 70.7 N/A
Wed 02PM 19AUG26 12631 13957 14558 75.0 N/A
Wed 05PM 19AUG26 13863 14110 14493 74.6 N/A
Wed 08PM 19AUG26 13880 14177 14639 58.3 N/A
Wed 11PM 19AUG26 13955 14265 14748 55.2 N/A
Thu 02AM 20AUG26 13938 14235 14697 53.3 N/A
Thu 05AM 20AUG26 13904 14234 14748 51.9 N/A
Thu 08AM 20AUG26 13918 14203 14647 66.8 N/A
Thu 11AM 20AUG26 13968 14222 14618 77.2 N/A
Thu 02PM 20AUG26 14132 14361 14716 81.2 N/A
Thu 05PM 20AUG26 14300 14526 17118 80.3 N/A
Thu 08PM 20AUG26 14352 14587 17199 65.9 N/A
Thu 11PM 20AUG26 14346 14609 17272 60.9 N/A
Fri 02AM 21AUG26 14373 14625 17270 59.3 N/A
Fri 05AM 21AUG26 14387 14654 17327 57.3 N/A
Fri 08AM 21AUG26 14275 14513 17126 71.1 N/A
Fri 11AM 21AUG26 14268 14507 17119 80.6 N/A
Fri 02PM 21AUG26 14314 14551 17163 83.4 N/A
Fri 05PM 21AUG26 14481 14713 17332 82.7 N/A
Fri 08PM 21AUG26 14526 14767 17401 68.2 N/A
Fri 11PM 21AUG26 14461 14677 17264 61.1 N/A
Sat 02AM 22AUG26 14098 14431 17198 62.2 N/A
Sat 05AM 22AUG26 14273 14533 17184 58.7 N/A
Sat 08AM 22AUG26 13909 14231 14734 63.5 N/A
Sat 11AM 22AUG26 13936 14224 14672 69.4 N/A
Sat 02PM 22AUG26 14029 14311 14750 76.0 N/A
Sat 05PM 22AUG26 13854 14188 14710 53.2 N/A
Sat 08PM 22AUG26 14033 14318 14763 53.7 N/A
Sat 11PM 22AUG26 13887 14146 14548 53.0 N/A
Sun 02AM 23AUG26 13842 14100 14501 53.2 N/A
Sun 05AM 23AUG26 12602 13881 14320 52.4 N/A
Sun 08AM 23AUG26 12626 13954 14496 64.7 N/A
Sun 11AM 23AUG26 12601 13872 14290 73.9 N/A
Sun 02PM 23AUG26 13925 14155 14512 77.2 N/A
Sun 05PM 23AUG26 14055 14283 14639 72.0 N/A
Sun 08PM 23AUG26 13928 14141 14473 61.0 N/A
Sun 11PM 23AUG26 13839 14104 14517 55.9 N/A
Mon 02AM 24AUG26 13856 14118 14525 53.1 N/A
Mon 05AM 24AUG26 12742 14033 14441 51.5 N/A
Mon 08AM 24AUG26 12644 13938 14377 64.3 N/A
Mon 11AM 24AUG26 12653 13944 14356 73.4 N/A
Mon 02PM 24AUG26 13878 14109 14468 77.5 N/A
Mon 05PM 24AUG26 13878 14120 14496 76.2 N/A
Mon 08PM 24AUG26 12727 14050 14540 61.1 N/A
Mon 11PM 24AUG26 13950 14239 14688 59.2 N/A
Tue 02AM 25AUG26 13967 14217 14605 55.9 N/A
Tue 05AM 25AUG26 13905 14145 14518 54.8 N/A
Tue 08AM 25AUG26 13897 14151 14546 67.6 N/A
Tue 11AM 25AUG26 13928 14195 14612 77.6 N/A
Tue 02PM 25AUG26 14129 14362 14725 81.0 N/A
Tue 05PM 25AUG26 14312 14553 17173 80.0 N/A
Tue 08PM 25AUG26 14211 14459 14845 64.4 N/A
Tue 11PM 25AUG26 14024 14257 14620 62.8 N/A
Wed 02AM 26AUG26 13917 14215 14678 57.0 N/A
Wed 05AM 26AUG26 13988 14280 14735 57.4 N/A
Wed 08AM 26AUG26 12748 14081 14569 65.2 N/A
Wed 11AM 26AUG26 13882 14189 14668 74.7 N/A
Wed 02PM 26AUG26 14060 14299 14671 78.7 N/A
Wed 05PM 26AUG26 14154 14390 14756 77.6 N/A
Wed 08PM 26AUG26 13975 14224 14609 62.6 N/A
Wed 11PM 26AUG26 13927 14201 14626 59.3 N/A
Thu 02AM 27AUG26 14047 14336 14787 57.8 N/A
Thu 05AM 27AUG26 13953 14231 14663 55.5 N/A
Thu 08AM 27AUG26 13951 14217 14631 67.0 N/A
Thu 11AM 27AUG26 13864 14101 14469 76.4 N/A
Thu 02PM 27AUG26 13903 14192 14643 76.0 N/A
Thu 05PM 27AUG26 12674 14003 14508 64.9 N/A
Thu 08PM 27AUG26 13919 14155 14520 55.4 N/A
Thu 11PM 27AUG26 12720 14039 14503 54.8 N/A
Fri 02AM 28AUG26 13797 14126 14639 51.8 N/A
Fri 05AM 28AUG26 12694 14068 14607 50.3 N/A
Fri 08AM 28AUG26 12663 14052 14624 62.9 N/A
Fri 11AM 28AUG26 12588 13876 14379 73.6 N/A
Fri 02PM 28AUG26 13951 14179 14532 77.8 N/A
Fri 05PM 28AUG26 12753 14035 14432 72.5 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