Surf Forecasts and Marine Weather - No Hype - Just the Facts!
El Nino - Becomes Apparent on the Oceans Surface! - Watch the Video HERE (4/19/26)
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: 06Z Thu 23APR2026
Day Frcst Time/Date 34.6 Deg Elev 32 Deg Elev 28 Deg Elev Srf Temp (F) Accum Snow (In)
Wed 11PM 22APR26 5399 6573 7119 28.9 -
Thu 02AM 23APR26 5329 6502 7034 28.7 N/A
Thu 05AM 23APR26 5181 5545 6886 27.6 N/A
Thu 08AM 23APR26 5315 6478 6947 29.4 N/A
Thu 11AM 23APR26 5525 6639 7087 31.2 N/A
Thu 02PM 23APR26 5306 6473 6961 28.9 N/A
Thu 05PM 23APR26 5092 5456 6760 27.5 N/A
Thu 08PM 23APR26 2791 3545 4890 18.7 N/A
Thu 11PM 23APR26 2791 3291 3860 17.0 N/A
Fri 02AM 24APR26 2058 3291 3724 16.3 N/A
Fri 05AM 24APR26 2791 3368 3938 17.9 N/A
Fri 08AM 24APR26 2791 3567 4913 20.1 N/A
Fri 11AM 24APR26 3485 3853 5194 22.9 N/A
Fri 02PM 24APR26 3715 4859 5422 24.8 N/A
Fri 05PM 24APR26 3796 4940 5504 24.2 N/A
Fri 08PM 24APR26 872 1204 2473 9.4 N/A
Fri 11PM 24APR26 0 505 1730 7.0 N/A
Sat 02AM 25APR26 0 0 1505 6.1 N/A
Sat 05AM 25APR26 0 0 1073 4.8 N/A
Sat 08AM 25APR26 3041 3441 4788 20.1 N/A
Sat 11AM 25APR26 4833 5196 6539 27.1 N/A
Sat 02PM 25APR26 5360 6514 6974 30.6 N/A
Sat 05PM 25APR26 6392 6700 7180 30.8 N/A
Sat 08PM 25APR26 3638 4785 5347 21.1 N/A
Sat 11PM 25APR26 3658 4805 5367 21.5 N/A
Sun 02AM 26APR26 3421 3789 5132 19.7 N/A
Sun 05AM 26APR26 3704 4850 5412 22.2 N/A
Sun 08AM 26APR26 4886 5250 6599 26.2 N/A
Sun 11AM 26APR26 5329 6489 6949 29.8 N/A
Sun 02PM 26APR26 6512 6813 8130 32.6 N/A
Sun 05PM 26APR26 6660 6972 8269 33.0 N/A
Sun 08PM 26APR26 4929 5292 6733 24.9 N/A
Sun 11PM 26APR26 4926 5289 6671 25.6 N/A
Mon 02AM 27APR26 3692 4837 5399 22.5 N/A
Mon 05AM 27APR26 2939 3560 4907 18.6 N/A
Mon 08AM 27APR26 4802 5163 6516 26.0 N/A
Mon 11AM 27APR26 5375 6519 6956 30.7 N/A
Mon 02PM 27APR26 6608 6895 8182 33.9 N/A
Mon 05PM 27APR26 6691 6989 8273 33.9 N/A
Mon 08PM 27APR26 3936 5077 8249 23.2 N/A
Mon 11PM 27APR26 3831 4974 5538 23.1 N/A
Tue 02AM 28APR26 4783 5145 7174 24.5 N/A
Tue 05AM 28APR26 3931 5072 6635 24.0 N/A
Tue 08AM 28APR26 6540 6839 8157 33.1 N/A
Tue 11AM 28APR26 6897 7176 8415 37.1 N/A
Tue 02PM 28APR26 8108 8345 8713 40.2 N/A
Tue 05PM 28APR26 8089 8345 8742 38.8 N/A
Tue 08PM 28APR26 5498 8210 8607 29.4 N/A
Tue 11PM 28APR26 5063 8166 8589 26.5 N/A
Wed 02AM 29APR26 5248 8118 8565 28.1 N/A
Wed 05AM 29APR26 4839 5202 8523 24.8 N/A
Wed 08AM 29APR26 6832 7123 8434 36.5 N/A
Wed 11AM 29APR26 7128 8241 8623 40.1 N/A
Wed 02PM 29APR26 8205 8447 8821 42.5 N/A
Wed 05PM 29APR26 8208 8451 8829 41.2 N/A
Wed 08PM 29APR26 5572 8285 8656 30.3 N/A
Wed 11PM 29APR26 5201 8160 8551 27.8 N/A
Thu 02AM 30APR26 4946 5308 8450 25.8 N/A
Thu 05AM 30APR26 4000 5140 8407 24.5 N/A
Thu 08AM 30APR26 6820 7110 8810 36.8 N/A
Thu 11AM 30APR26 8345 8585 8957 44.4 N/A
Thu 02PM 30APR26 8706 8943 10282 47.9 N/A
Thu 05PM 30APR26 8670 8917 10412 45.3 N/A
Thu 08PM 30APR26 8654 9906 10397 32.3 N/A
Thu 11PM 30APR26 8615 8949 10361 30.5 N/A
Fri 02AM 01MAY26 8561 8924 10457 30.0 N/A
Fri 05AM 01MAY26 8571 8937 10443 29.9 N/A
Fri 08AM 01MAY26 8610 8946 10434 43.3 N/A
Fri 11AM 01MAY26 8863 10033 10475 50.4 N/A
Fri 02PM 01MAY26 10138 10382 10759 54.4 N/A
Fri 05PM 01MAY26 10321 10564 11965 53.9 N/A
Fri 08PM 01MAY26 10413 10661 12010 42.1 N/A
Fri 11PM 01MAY26 10281 10541 11961 39.9 N/A
Sat 02AM 02MAY26 10223 10490 11913 38.1 N/A
Sat 05AM 02MAY26 10182 10454 11871 36.8 N/A
Sat 08AM 02MAY26 10176 10460 11910 49.2 N/A
Sat 11AM 02MAY26 10304 10544 11926 56.9 N/A
Sat 02PM 02MAY26 10711 11910 12275 61.0 N/A
Sat 05PM 02MAY26 10722 11915 12274 58.7 N/A
Sat 08PM 02MAY26 10655 11877 12286 42.7 N/A
Sat 11PM 02MAY26 10553 11820 12192 40.9 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