Surf Forecasts:
How big are the waves at Cape Sebastian today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 2.5ft (0.7m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 5ft (1.6m), 6s period with NW swell.
- Evening surf: Evening surf (18 Aug, local time) - 2.5ft (0.7m), 15s period with SW swell.
The current surf forecast for Cape Sebastian at 6AM is: 0.7m 14s primary swell from a Southwest direction and 0.4m 8s secondary swell from a West-northwest direction (forecast issued at 10:00pm August 17). An open ocean swell of 0.9m 6s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 2.5ft (0.7m) | 14s |
| Afternoon (18 Aug) | 5ft (1.6m) | 6s |
| Evening (18 Aug) | 2.5ft (0.7m) | 15s |
Table - waves today at Cape Sebastian. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Tue afternoon, min 13°C on Wed night). Winds decreasing (fresh winds from the NNW on Tue afternoon, calm by Wed night). | ||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||||
8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | SW 14 | SSW 15 | SSW 15 | SW 15 | SW 14 | SW 14 | SSW 14 | NW 6 | SW 14 | SW 15 | SSW 16 | SSW 16 | SSW 16 | WNW 12 | WNW 12 | SW 15 | WNW 12 | SSW 15 |
Wave Graph  | ||||||||||||||||||
 kJ | 305 | 272 | 272 | 217 | 214 | 208 | 131 | 216 | 211 | 239 | 322 | 326 | 322 | 258 | 237 | 242 | 233 | 272 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy |
High Tide | 4:28AM2.09m | 4:18PM2.63m | 5:38AM1.92m | 4:59PM2.54m | ||||||||||||||
Low Tide | 10:24PM0.82m | 9:53AM1.22m | 11:21PM0.84m | 10:29AM1.43m | ||||||||||||||
 |  |  | | | | | | | | | |  | | | | | | |
 | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | 8:15 | — | — | — | — | — | — | — | 8:14 | — | — | — | — | — | — | — | 8:13 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 15 | 14 | 15 | 16 | 19 | 19 | 20 | 18 | 16 | 14 | 15 | 16 | 20 | 20 | 19 | 16 | 14 |
Feels °C | 15 | 13 | 13 | 13 | 14 | 16 | 15 | 15 | 13 | 13 | 11 | 12 | 13 | 16 | 16 | 15 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SSW 15 | NW 6 | SW 15 | SW 14 | SW 14 | SSW 14 | SSW 14 | SW 14 | SW 15 | SSW 16 | WNW 12 | NW 6 | WNW 12 | WNW 12 | WNW 11 | WNW 12 | NW 6 |
| kJ | 305 | 272 | 68 | 217 | 214 | 208 | 131 | 133 | 211 | 239 | 322 | 202 | 104 | 258 | 237 | 229 | 233 | 109 |
Swell 2 Height (m) Direction Period (s) | W 8 | WNW 8 | SSW 15 | WNW 8 | WNW 8 | WNW 8 | WNW 15 | W 14 | WNW 13 | WNW 13 | WNW 13 | SSW 16 | WNW 12 | SSW 14 | SSW 13 | SW 15 | SW 15 | WNW 12 |
| kJ | 35 | 21 | 272 | 21 | 19 | 19 | 71 | 103 | 141 | 137 | 165 | 326 | 198 | 121 | 120 | 242 | 220 | 237 |
Swell 3 Height (m) Direction Period (s) | S 9 | NW 13 | WNW 8 | SSW 10 | WNW 16 | SW 18 | SSW 17 | SW 17 | SSW 18 | SW 9 | — | — | SSW 16 | SW 16 | SW 16 | — | SW 21 | SSW 15 |
| kJ | 2 | 7 | 21 | 10 | 24 | 79 | 119 | 77 | 31 | 3 | — | — | 322 | 127 | 127 | — | 18 | 272 |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 6 | — | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | — | NW 6 | NNW 6 | NNW 6 | NW 6 | — |
| kJ | 128 | 99 | — | 47 | 47 | 66 | 172 | 216 | 182 | 139 | 139 | 132 | — | 116 | 170 | 209 | 188 | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 48 | 0 | 0 | 0 | 0 | 61 | 63 | 258 | 48 | 0 | 0 | 0 | 48 | 63 | 63 | 258 | 48 | 0 |
Best forecast wave conditions in South Oregon | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
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