| Buoy 139 Umpqua Offshore Longitude = 124.54W Latitude = 43.77N FAQs | Current Swell & Surf Analysis | Buoy 139 | 14:21:00 (GMT) on 10/13 | Sea Height: | 9.2 ft | Primary Swell Height: | 6.8 ft | Primary Swell Period: | 10.3 secs | Primary Swell Direction: | 326 degrees | Surf Height: | 5.6-7.1 ft |
Date (Month - Day) | Time (GMT) | Combined Sea Height [>5 secs] (ft) | Primary Swell | Secondary Swell | Tertiary Swell | Estimated Surf Height (ft) | Primary Swell Period (secs) | Height (ft) | Period (secs) | Diection (deg) | Height (ft) | Period (secs) | Direction (deg) | Height (ft) | Period (secs) | Direction (deg) |
10/13 | 14:21:00 | 9.2 | 6.8 | 10.3 | 326 | 1.9 | 13.9 | 283 | 3.3 | 7.1 | 317 | 5.6 -7.1 | 10.3 | 10/13 | 13:21:00 | 8.4 | 6.0 | 10.3 | 321 | 1.9 | 14.0 | 283 | 3.2 | 7.1 | 314 | 4.9 -6.2 | 10.3 | 10/13 | 12:20:00 | 9.0 | 6.4 | 10.3 | 322 | 1.8 | 13.9 | 287 | 3.5 | 7.1 | 321 | 5.3 -6.6 | 10.3 | 10/13 | 11:21:00 | 9.4 | 6.9 | 9.9 | 324 | 2.2 | 13.2 | 294 | 3.1 | 6.8 | 320 | 5.4 -6.8 | 9.9 | 10/13 | 10:20:00 | 9.0 | 6.6 | 9.8 | 322 | 2.4 | 13.2 | 302 | 3.1 | 6.6 | 324 | 5.2 -6.5 | 9.8 | 10/13 | 09:20:00 | 9.2 | 6.6 | 10.2 | 320 | 3.4 | 7.1 | 321 | 1.7 | 13.9 | 291 | 5.4 -6.8 | 10.2 | 10/13 | 08:20:00 | 9.0 | 6.2 | 9.8 | 325 | 2.4 | 13.1 | 305 | 3.2 | 6.6 | 318 | 4.9 -6.1 | 9.8 | 10/13 | 07:21:00 | 9.4 | 7.3 | 9.8 | 322 | 2.4 | 13.2 | 303 | 3.4 | 6.8 | 314 | 5.7 -7.2 | 9.8 | 10/13 | 06:21:00 | 9.4 | 7.1 | 9.8 | 319 | 2.2 | 13.3 | 294 | 3.3 | 6.6 | 319 | 5.5 -6.9 | 9.8 | 10/13 | 05:20:00 | 9.1 | 6.5 | 10.2 | 319 | 2.1 | 13.3 | 295 | 3.5 | 7.1 | 319 | 5.3 -6.7 | 10.2 | 10/13 | 04:21:00 | 9.0 | 6.3 | 10.3 | 321 | 1.8 | 14.1 | 282 | 3.4 | 7.1 | 313 | 5.1 -6.4 | 10.3 | 10/13 | 03:21:00 | 8.7 | 6.4 | 9.8 | 324 | 2.1 | 13.3 | 290 | 2.7 | 6.6 | 317 | 5.0 -6.3 | 9.8 | 10/13 | 02:21:00 | 9.8 | 7.4 | 10.2 | 326 | 2.4 | 13.3 | 293 | 3.7 | 7.1 | 316 | 6.1 -7.6 | 10.2 | 10/13 | 01:21:00 | 8.7 | 6.3 | 10.7 | 319 | 3.5 | 7.6 | 314 | 1.6 | 14.1 | 283 | 5.4 -6.8 | 10.7 | 10/13 | 00:20:00 | 9.4 | 7.0 | 10.8 | 325 | 2.0 | 13.9 | 284 | 3.6 | 7.7 | 310 | 6.0 -7.5 | 10.8 | 10/12 | 23:21:00 | 9.9 | 7.4 | 10.8 | 325 | 4.1 | 7.7 | 315 | 1.8 | 14.0 | 289 | 6.4 -8.0 | 10.8 | 10/12 | 22:21:00 | 9.8 | 6.6 | 10.8 | 322 | 2.4 | 13.9 | 294 | 4.1 | 7.7 | 314 | 5.7 -7.2 | 10.8 | 10/12 | 21:21:00 | 9.2 | 6.7 | 10.8 | 321 | 3.5 | 7.6 | 316 | 1.5 | 14.8 | 290 | 5.8 -7.2 | 10.8 | 10/12 | 20:21:00 | 9.9 | 7.6 | 10.8 | 322 | 3.7 | 7.6 | 319 | 1.7 | 14.8 | 292 | 6.5 -8.2 | 10.8 | 10/12 | 19:21:00 | 10.1 | 7.9 | 10.9 | 321 | 4.0 | 7.9 | 317 | 1.4 | 14.9 | 311 | 6.9 -8.6 | 10.9 | 10/12 | 18:21:00 | 10.0 | 7.5 | 10.8 | 320 | 2.4 | 13.9 | 310 | 3.8 | 7.7 | 313 | 6.5 -8.1 | 10.8 | 10/12 | 17:21:00 | 10.6 | 8.0 | 10.8 | 316 | 2.7 | 13.9 | 302 | 4.3 | 7.7 | 315 | 6.9 -8.6 | 10.8 | 10/12 | 16:21:00 | 11.2 | 8.9 | 10.8 | 313 | 2.7 | 13.9 | 301 | 4.2 | 7.6 | 316 | 7.7 -9.6 | 10.8 | 10/12 | 15:21:00 | 12.2 | 9.3 | 10.7 | 322 | 2.7 | 13.8 | 304 | 4.8 | 7.6 | 320 | 8.0 -10.0 | 10.7 |
Surf Height ScaleSize Scale (ft) | >1 | 1-2 | 2-3 | 3-4 | 4-5 | 5-6 | 6-7 | 7-8 | 8-9 | 9-10 | 10-11 | 11-12 | 12-13 | 13-14 | 14-15 | 15-20 | 20-25 | 25-30 | 30-35 | 35-40 | 40-45 | 45+ |
Swell Period ScalCDIP Period Scale (secs) | 6.3 | 6.7 | 7.1 | 7.7 | 8.3 | 9.1 | 10 | 10.5 | 11.1 | 11.8 | 12.5 | 13.3 | 14.3 | 15.4 | 16.7 | 18.2 | 20 | 22.2 | 25 | 28.6 | 33.3 | 40 |
000015846 ___0.020871 | |
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