Surf Forecasts:
How big are the waves at Cape Sebastian today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 2.5ft (0.8m), 18s period with SW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 2.5ft (0.8m), 18s period with SW swell.
- Evening surf: Evening surf (20 Sep, local time) - 2.5ft (0.8m), 19s period with SW swell.
The current surf forecast for Cape Sebastian at 12PM is: 0.7m 18s primary swell from a Southwest direction and 0.3m 13s secondary swell from a South-southwest direction (forecast issued at 04:00am September 20). An open ocean swell of 1.1m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 2.5ft (0.8m) | 18s |
| Afternoon (20 Sep) | 2.5ft (0.8m) | 18s |
| Evening (20 Sep) | 2.5ft (0.8m) | 19s |
Table - waves today at Cape Sebastian. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Mon afternoon, min 13°C on Sun morning). Winds increasing (light winds from the N on Sun night, fresh winds from the NNW by Tue afternoon). | ||||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||||||
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 | 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 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 19 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SW 17 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 370 | 375 | 375 | 314 | 318 | 388 | 414 | 473 | 366 | 366 | 362 | 427 | 418 | 408 | 515 | 690 | 837 | 943 | 885 | 787 | 692 | 605 | 550 | 504 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 9:24AM1.99m | 7:17PM2.31m | 10:03AM2.09m | 8:26PM2.35m | 10:30AM2.19m | 9:23PM2.42m | ||||||||||||||||||
Low Tide | 1:56AM0.84m | 1:34PM1.78m | 2:54AM0.78m | 2:49PM1.68m | 3:39AM0.71m | 3:42PM1.53m | ||||||||||||||||||
 | |  | |  | |  | |  | | | | | | | | | |  | | | | | | |
 | — | 7:01 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:19 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 17 | 17 | 16 | 14 | 13 | 13 | 13 | 13 | 17 | 18 | 18 | 16 | 14 | 13 | 13 | 14 | 17 | 18 | 18 | 15 | 14 |
Feels °C | 11 | 11 | 11 | 14 | 13 | 12 | 11 | 11 | 12 | 11 | 10 | 13 | 13 | 12 | 11 | 10 | 9 | 9 | 10 | 12 | 11 | 11 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 18 | NW 6 | SW 18 | SW 18 | SW 18 | SW 19 | NW 6 | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SW 17 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 |
| kJ | 370 | 375 | 50 | 314 | 318 | 388 | 414 | 112 | 366 | 366 | 362 | 427 | 418 | 408 | 515 | 690 | 837 | 943 | 885 | 787 | 692 | 605 | 550 | 504 |
Swell 2 Height (m) Direction Period (s) | NW 8 | SW 13 | SW 18 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SW 18 | SSW 12 | NW 9 | WNW 9 | WNW 9 | WNW 16 | WNW 15 | SW 17 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
| kJ | 21 | 45 | 375 | 34 | 34 | 33 | 31 | 473 | 29 | 21 | 32 | 43 | 105 | 302 | 482 | 482 | 470 | 530 | 454 | 380 | 366 | 357 | 299 | 357 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | NW 8 | SW 13 | WSW 13 | WNW 10 | SW 12 | SW 12 | SSW 12 | WNW 10 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | WNW 7 | WNW 8 | WNW 8 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 |
| kJ | 68 | 9 | 44 | 16 | 10 | 6 | 6 | 30 | 18 | 29 | 29 | 14 | 14 | 15 | 59 | 66 | 49 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
Wind waves Height (m) Direction Period (s) | NW 5 | NW 5 | — | NW 6 | NW 6 | NW 6 | NW 6 | — | NW 6 | NNW 6 | NNW 6 | NNW 6 | NW 6 | NW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 6 | NNW 6 | NNW 6 | NW 6 | NW 6 | NNW 6 | NNW 6 |
| kJ | 24 | 31 | — | 66 | 112 | 182 | 157 | — | 85 | 70 | 68 | 55 | 133 | 202 | 119 | 66 | 51 | 58 | 47 | 63 | 114 | 154 | 101 | 63 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 63 | 461 | 301 | 48 | 0 | 0 | 48 | 0 | 440 | 493 | 311 | 48 | 48 | 0 | 0 | 0 | 63 | 493 | 631 | 63 | 0 |
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