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
.

Northstar - Wind Forecast
Location: 39.25N 120.14W
Base Elevation: 6330 ft
Peak Elevation: 8610 ft

 

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

 

Data

Initialized: 00Z Fri 21AUG2026
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Thu 04PM 20AUG26 13.2 20.5 223 14.0 21.0 226
Thu 07PM 20AUG26 11.4 17.7 256 12.2 18.3 257
Thu 10PM 20AUG26 8.0 12.5 111 8.5 12.8 126
Fri 01AM 21AUG26 11.0 17.2 144 12.3 18.4 157
Fri 04AM 21AUG26 10.3 16.0 147 10.6 15.9 159
Fri 07AM 21AUG26 8.4 13.1 153 9.5 14.2 164
Fri 10AM 21AUG26 11.0 17.1 220 10.0 15.0 221
Fri 01PM 21AUG26 13.8 21.5 217 12.7 19.0 219
Fri 04PM 21AUG26 17.5 27.3 235 18.4 27.6 237
Fri 07PM 21AUG26 16.2 25.3 260 17.7 26.5 261
Fri 10PM 21AUG26 16.2 25.2 268 17.8 26.6 268
Sat 01AM 22AUG26 16.9 26.4 269 18.0 27.1 269
Sat 04AM 22AUG26 18.3 28.5 270 18.2 27.4 269
Sat 07AM 22AUG26 18.1 28.3 266 18.3 27.4 266
Sat 10AM 22AUG26 16.8 26.2 239 16.1 24.1 239
Sat 01PM 22AUG26 18.9 29.4 237 17.9 26.9 238
Sat 04PM 22AUG26 21.2 33.1 244 21.4 32.0 245
Sat 07PM 22AUG26 20.8 32.4 261 21.4 32.1 262
Sat 10PM 22AUG26 18.3 28.5 266 18.9 28.3 266
Sun 01AM 23AUG26 17.8 27.8 270 18.4 27.6 269
Sun 04AM 23AUG26 16.9 26.4 271 17.1 25.7 271
Sun 07AM 23AUG26 16.4 25.6 271 16.5 24.7 270
Sun 10AM 23AUG26 13.3 20.7 239 13.0 19.5 239
Sun 01PM 23AUG26 14.9 23.2 231 13.9 20.9 232
Sun 04PM 23AUG26 16.5 25.7 237 16.0 24.0 238
Sun 07PM 23AUG26 15.6 24.3 261 16.3 24.4 261
Sun 10PM 23AUG26 13.5 21.1 273 14.5 21.7 273
Mon 01AM 24AUG26 13.0 20.3 269 13.8 20.6 269
Mon 04AM 24AUG26 13.7 21.3 271 14.4 21.7 270
Mon 07AM 24AUG26 14.1 21.9 270 14.8 22.2 269
Mon 10AM 24AUG26 12.3 19.2 231 12.3 18.5 232
Mon 01PM 24AUG26 13.5 21.0 220 13.4 20.2 222
Mon 04PM 24AUG26 14.4 22.5 227 12.6 18.9 227
Mon 07PM 24AUG26 13.7 21.3 260 15.7 23.6 260
Mon 10PM 24AUG26 11.5 17.9 268 14.5 21.8 268
Tue 01AM 25AUG26 13.8 21.6 272 15.8 23.8 271
Tue 04AM 25AUG26 15.2 23.8 274 17.2 25.7 273
Tue 07AM 25AUG26 14.5 22.6 271 16.2 24.3 271
Tue 10AM 25AUG26 11.1 17.4 228 11.8 17.8 229
Tue 01PM 25AUG26 13.6 21.2 218 13.4 20.0 220
Tue 04PM 25AUG26 14.6 22.8 226 15.8 23.7 229
Tue 07PM 25AUG26 14.5 22.6 259 17.3 26.0 260
Tue 10PM 25AUG26 15.9 24.8 267 18.5 27.7 267
Wed 01AM 26AUG26 19.1 29.8 268 20.6 30.9 268
Wed 04AM 26AUG26 19.4 30.3 268 21.1 31.6 268
Wed 07AM 26AUG26 19.4 30.2 265 21.0 31.5 265
Wed 10AM 26AUG26 19.5 30.4 246 20.6 30.9 246
Wed 01PM 26AUG26 17.9 27.9 240 18.0 27.0 240
Wed 04PM 26AUG26 17.9 28.0 243 19.8 29.7 246
Wed 07PM 26AUG26 18.3 28.6 263 19.5 29.3 263
Wed 10PM 26AUG26 17.6 27.5 264 18.3 27.5 264
Thu 01AM 27AUG26 17.6 27.5 267 18.9 28.3 267
Thu 04AM 27AUG26 17.3 27.0 266 18.7 28.0 266
Thu 07AM 27AUG26 18.3 28.6 265 18.9 28.4 265
Thu 10AM 27AUG26 17.5 27.3 245 18.4 27.6 246
Thu 01PM 27AUG26 17.3 27.0 239 17.4 26.1 240
Thu 04PM 27AUG26 18.5 28.9 244 19.6 29.3 246
Thu 07PM 27AUG26 17.3 27.0 262 18.5 27.8 263
Thu 10PM 27AUG26 17.3 26.9 265 17.4 26.1 265
Fri 01AM 28AUG26 16.8 26.2 267 16.4 24.6 266
Fri 04AM 28AUG26 17.2 26.8 269 16.9 25.4 268
Fri 07AM 28AUG26 17.4 27.1 266 17.8 26.6 266
Fri 10AM 28AUG26 17.4 27.1 243 18.1 27.2 245
Fri 01PM 28AUG26 18.0 28.1 241 17.7 26.5 241
Fri 04PM 28AUG26 20.1 31.3 246 20.0 29.9 246
Fri 07PM 28AUG26 21.6 33.7 265 20.7 31.1 264
Fri 10PM 28AUG26 19.3 30.1 267 18.7 28.1 267
Sat 01AM 29AUG26 19.6 30.5 268 19.1 28.7 268
Sat 04AM 29AUG26 19.1 29.8 268 19.5 29.2 268
Sat 07AM 29AUG26 18.6 29.0 267 20.1 30.1 267
Sat 10AM 29AUG26 17.2 26.8 245 18.2 27.3 246
Sat 01PM 29AUG26 17.3 27.0 239 17.3 26.0 240
Sat 04PM 29AUG26 20.0 31.2 246 20.9 31.4 247
Sat 07PM 29AUG26 19.0 29.7 263 19.6 29.3 263
Sat 10PM 29AUG26 17.6 27.4 265 18.4 27.6 265
Sun 01AM 30AUG26 18.8 29.4 266 19.7 29.5 266
Sun 04AM 30AUG26 19.6 30.6 267 20.6 31.0 266
Sun 07AM 30AUG26 20.6 32.2 265 21.3 32.0 265
Sun 10AM 30AUG26 21.4 33.4 248 21.6 32.5 248
Sun 01PM 30AUG26 23.0 35.9 246 22.5 33.8 245
Sun 04PM 30AUG26 26.9 42.0 250 26.9 40.4 250

.
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