Surf Forecasts and Marine Weather - No Hype - Just the Facts!

Swell of the Summer Hits Hawaii! - Video Forecast HERE (8/10/25)
New! Swell Period Hindcasts (On the Wave Model Page)

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
.

Sun_Valley - Wind Forecast
Location: 43.65N 114.41W
Base Elevation: 5750 ft
Peak Elevation: 9150 ft

 

240 hour GFS Model (0.25 deg) - 3 hr incrememts

 

Data

Initialized: 18Z Thu 14AUG2025
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Thu 12PM 14AUG25 17.6 26.4 207 14.4 21.5 214
Thu 03PM 14AUG25 18.1 27.1 202 17.1 25.6 206
Thu 06PM 14AUG25 19.7 29.5 193 16.6 24.9 202
Thu 09PM 14AUG25 20.3 30.4 170 16.4 24.6 172
Fri 12AM 15AUG25 18.2 27.3 161 19.5 29.3 165
Fri 03AM 15AUG25 19.2 28.8 165 14.8 22.1 163
Fri 06AM 15AUG25 14.0 21.0 156 13.6 20.5 158
Fri 09AM 15AUG25 16.3 24.4 183 12.4 18.6 184
Fri 12PM 15AUG25 17.7 26.6 206 14.1 21.1 211
Fri 03PM 15AUG25 19.8 29.7 214 18.5 27.7 216
Fri 06PM 15AUG25 15.0 22.5 198 14.8 22.2 202
Fri 09PM 15AUG25 10.2 15.3 165 6.3 9.4 153
Sat 12AM 16AUG25 7.5 11.3 136 6.5 9.8 121
Sat 03AM 16AUG25 13.4 20.1 155 9.8 14.7 137
Sat 06AM 16AUG25 12.8 19.2 157 12.6 18.9 158
Sat 09AM 16AUG25 16.9 25.3 181 12.0 18.0 180
Sat 12PM 16AUG25 13.4 20.1 209 11.3 16.9 212
Sat 03PM 16AUG25 15.4 23.1 223 15.3 23.0 222
Sat 06PM 16AUG25 14.3 21.5 220 15.6 23.3 219
Sat 09PM 16AUG25 3.8 5.7 145 6.6 10.0 177
Sun 12AM 17AUG25 7.6 11.5 84 6.8 10.2 114
Sun 03AM 17AUG25 10.8 16.1 145 8.5 12.7 124
Sun 06AM 17AUG25 13.2 19.7 167 11.4 17.1 165
Sun 09AM 17AUG25 10.8 16.2 184 10.4 15.6 183
Sun 12PM 17AUG25 15.4 23.1 204 10.6 16.0 213
Sun 03PM 17AUG25 13.9 20.9 228 13.1 19.7 229
Sun 06PM 17AUG25 7.3 10.9 247 10.7 16.1 221
Sun 09PM 17AUG25 11.3 17.0 175 5.2 7.9 170
Mon 12AM 18AUG25 13.5 20.2 156 6.7 10.0 132
Mon 03AM 18AUG25 20.7 31.1 167 10.9 16.3 152
Mon 06AM 18AUG25 18.2 27.3 178 12.1 18.1 176
Mon 09AM 18AUG25 15.3 22.9 183 11.4 17.1 183
Mon 12PM 18AUG25 12.8 19.2 206 10.3 15.5 208
Mon 03PM 18AUG25 11.9 17.9 236 11.9 17.9 233
Mon 06PM 18AUG25 10.8 16.1 220 10.2 15.4 222
Mon 09PM 18AUG25 10.1 15.1 167 6.1 9.1 160
Tue 12AM 19AUG25 10.3 15.4 145 9.4 14.0 141
Tue 03AM 19AUG25 7.3 11.0 129 9.6 14.4 76
Tue 06AM 19AUG25 12.4 18.6 156 7.6 11.5 99
Tue 09AM 19AUG25 7.2 10.9 186 6.5 9.8 189
Tue 12PM 19AUG25 9.5 14.2 221 8.2 12.3 230
Tue 03PM 19AUG25 11.1 16.7 249 11.3 16.9 245
Tue 06PM 19AUG25 6.8 10.3 224 7.1 10.6 224
Tue 09PM 19AUG25 8.1 12.1 95 7.5 11.2 99
Wed 12AM 20AUG25 8.5 12.7 99 7.8 11.7 128
Wed 03AM 20AUG25 11.4 17.1 148 9.3 13.9 141
Wed 06AM 20AUG25 13.3 19.9 151 11.1 16.7 147
Wed 09AM 20AUG25 10.6 16.0 173 8.9 13.3 171
Wed 12PM 20AUG25 9.9 14.9 219 8.6 12.9 222
Wed 03PM 20AUG25 11.2 16.8 240 11.0 16.5 237
Wed 06PM 20AUG25 9.8 14.7 224 9.2 13.8 227
Wed 09PM 20AUG25 5.7 8.6 144 4.3 6.5 131
Thu 12AM 21AUG25 12.3 18.4 148 8.6 12.8 134
Thu 03AM 21AUG25 18.7 28.1 161 9.5 14.2 142
Thu 06AM 21AUG25 24.2 36.3 166 12.4 18.6 155
Thu 09AM 21AUG25 18.9 28.3 172 10.9 16.4 167
Thu 12PM 21AUG25 12.7 19.1 218 11.9 17.8 220
Thu 03PM 21AUG25 12.5 18.7 209 13.5 20.3 212
Thu 06PM 21AUG25 10.9 16.4 184 11.9 17.9 194
Thu 09PM 21AUG25 14.8 22.2 161 9.0 13.6 183
Fri 12AM 22AUG25 21.0 31.5 162 15.9 23.8 159
Fri 03AM 22AUG25 14.4 21.6 156 10.7 16.0 152
Fri 06AM 22AUG25 14.2 21.4 152 13.4 20.2 157
Fri 09AM 22AUG25 15.0 22.5 172 11.8 17.8 170
Fri 12PM 22AUG25 11.3 17.0 210 9.9 14.8 215
Fri 03PM 22AUG25 15.3 22.9 228 14.8 22.2 227
Fri 06PM 22AUG25 14.3 21.4 196 14.6 21.9 203
Fri 09PM 22AUG25 14.2 21.4 164 13.3 19.9 202
Sat 12AM 23AUG25 13.2 19.8 152 11.2 16.8 150
Sat 03AM 23AUG25 13.7 20.5 154 11.9 17.8 151
Sat 06AM 23AUG25 13.5 20.3 157 11.8 17.6 154
Sat 09AM 23AUG25 12.1 18.1 181 10.2 15.2 181
Sat 12PM 23AUG25 14.1 21.1 209 11.0 16.5 211
Sat 03PM 23AUG25 15.5 23.2 217 16.1 24.2 217
Sat 06PM 23AUG25 15.0 22.5 196 15.6 23.4 202
Sat 09PM 23AUG25 23.0 34.5 168 17.3 25.9 173
Sun 12AM 24AUG25 22.5 33.8 166 21.4 32.0 166
Sun 03AM 24AUG25 22.0 33.0 167 18.3 27.4 166
Sun 06AM 24AUG25 23.6 35.3 168 14.3 21.5 162
Sun 09AM 24AUG25 23.3 34.9 176 14.3 21.5 174
Sun 12PM 24AUG25 21.8 32.7 207 18.0 27.0 213

.
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