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: 06Z Thu 20AUG2026
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Wed 10PM 19AUG26 11.8 18.4 265 12.3 18.4 265
Thu 01AM 20AUG26 9.4 14.6 259 9.3 14.0 260
Thu 04AM 20AUG26 8.6 13.4 266 8.8 13.3 266
Thu 07AM 20AUG26 7.0 10.9 236 7.5 11.3 239
Thu 10AM 20AUG26 9.3 14.5 225 9.0 13.5 227
Thu 01PM 20AUG26 11.5 17.9 213 9.9 14.8 214
Thu 04PM 20AUG26 12.4 19.4 215 13.1 19.7 220
Thu 07PM 20AUG26 11.5 17.9 254 11.9 17.9 255
Thu 10PM 20AUG26 8.4 13.1 141 9.4 14.1 154
Fri 01AM 21AUG26 8.3 13.0 139 11.4 17.1 152
Fri 04AM 21AUG26 10.6 16.5 142 12.0 18.0 155
Fri 07AM 21AUG26 7.4 11.6 219 8.4 12.6 224
Fri 10AM 21AUG26 12.0 18.7 233 11.0 16.5 233
Fri 01PM 21AUG26 14.7 22.9 216 13.6 20.3 218
Fri 04PM 21AUG26 18.9 29.5 239 20.5 30.7 241
Fri 07PM 21AUG26 17.2 26.9 260 18.8 28.1 261
Fri 10PM 21AUG26 18.4 28.7 271 19.4 29.1 270
Sat 01AM 22AUG26 16.8 26.2 269 18.7 28.1 269
Sat 04AM 22AUG26 16.8 26.1 269 17.6 26.5 268
Sat 07AM 22AUG26 16.6 25.9 264 17.8 26.8 264
Sat 10AM 22AUG26 16.4 25.6 241 16.0 24.0 241
Sat 01PM 22AUG26 17.8 27.7 236 17.1 25.6 237
Sat 04PM 22AUG26 20.7 32.2 245 20.9 31.3 245
Sat 07PM 22AUG26 21.3 33.3 263 22.0 33.1 263
Sat 10PM 22AUG26 19.2 30.0 268 19.9 29.8 268
Sun 01AM 23AUG26 17.6 27.4 272 17.8 26.8 272
Sun 04AM 23AUG26 14.4 22.5 273 14.7 22.1 272
Sun 07AM 23AUG26 12.0 18.7 274 12.4 18.7 273
Sun 10AM 23AUG26 11.1 17.3 231 10.7 16.1 231
Sun 01PM 23AUG26 13.8 21.6 224 13.1 19.6 225
Sun 04PM 23AUG26 15.5 24.1 230 13.4 20.1 231
Sun 07PM 23AUG26 14.8 23.0 260 15.7 23.6 261
Sun 10PM 23AUG26 11.5 17.9 280 12.9 19.4 279
Mon 01AM 24AUG26 11.4 17.8 270 12.7 19.0 269
Mon 04AM 24AUG26 13.4 21.0 273 14.4 21.6 272
Mon 07AM 24AUG26 15.2 23.7 269 16.3 24.5 268
Mon 10AM 24AUG26 13.6 21.2 230 13.9 20.9 231
Mon 01PM 24AUG26 13.3 20.7 220 13.5 20.3 222
Mon 04PM 24AUG26 13.8 21.5 224 12.7 19.0 225
Mon 07PM 24AUG26 12.5 19.4 259 15.1 22.7 260
Mon 10PM 24AUG26 8.8 13.7 260 12.1 18.1 261
Tue 01AM 25AUG26 11.6 18.1 274 14.3 21.5 273
Tue 04AM 25AUG26 12.7 19.8 276 15.0 22.5 276
Tue 07AM 25AUG26 12.8 19.9 270 15.2 22.8 270
Tue 10AM 25AUG26 10.8 16.9 225 11.7 17.6 227
Tue 01PM 25AUG26 12.2 19.0 214 12.2 18.4 217
Tue 04PM 25AUG26 12.8 19.9 217 13.1 19.6 220
Tue 07PM 25AUG26 10.6 16.5 252 14.2 21.3 254
Tue 10PM 25AUG26 12.1 18.8 264 15.3 23.0 265
Wed 01AM 26AUG26 15.3 23.9 268 17.1 25.7 268
Wed 04AM 26AUG26 17.0 26.5 271 18.7 28.0 270
Wed 07AM 26AUG26 21.8 34.0 266 22.7 34.0 266
Wed 10AM 26AUG26 19.8 31.0 247 20.2 30.3 247
Wed 01PM 26AUG26 19.5 30.5 242 19.2 28.8 243
Wed 04PM 26AUG26 19.3 30.2 245 20.6 30.8 246
Wed 07PM 26AUG26 19.1 29.8 264 20.7 31.0 264
Wed 10PM 26AUG26 18.5 28.8 265 20.2 30.3 266
Thu 01AM 27AUG26 18.5 28.9 267 20.3 30.5 267
Thu 04AM 27AUG26 19.3 30.2 269 20.5 30.7 269
Thu 07AM 27AUG26 18.1 28.2 268 19.3 28.9 268
Thu 10AM 27AUG26 15.2 23.8 243 15.9 23.9 244
Thu 01PM 27AUG26 15.6 24.3 235 15.5 23.3 236
Thu 04PM 27AUG26 17.3 27.0 241 18.1 27.2 243
Thu 07PM 27AUG26 15.7 24.4 261 18.4 27.6 262
Thu 10PM 27AUG26 14.8 23.1 264 16.0 24.0 265
Fri 01AM 28AUG26 14.7 22.9 268 16.1 24.2 268
Fri 04AM 28AUG26 14.7 22.9 269 15.5 23.2 268
Fri 07AM 28AUG26 14.5 22.6 265 14.9 22.3 264
Fri 10AM 28AUG26 14.6 22.7 240 14.6 21.9 240
Fri 01PM 28AUG26 15.8 24.7 237 15.1 22.7 236
Fri 04PM 28AUG26 15.7 24.5 241 15.7 23.5 242
Fri 07PM 28AUG26 15.5 24.2 263 17.3 25.9 264
Fri 10PM 28AUG26 16.1 25.1 267 18.5 27.7 267
Sat 01AM 29AUG26 16.2 25.3 268 19.2 28.8 269
Sat 04AM 29AUG26 16.0 25.0 269 18.9 28.4 269
Sat 07AM 29AUG26 15.8 24.7 269 18.5 27.7 269
Sat 10AM 29AUG26 15.8 24.6 241 17.0 25.5 242
Sat 01PM 29AUG26 17.8 27.8 237 17.9 26.8 238
Sat 04PM 29AUG26 21.0 32.8 245 21.9 32.8 246
Sat 07PM 29AUG26 21.9 34.2 263 22.6 33.9 263
Sat 10PM 29AUG26 20.7 32.3 266 21.8 32.7 266

.
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