Surf Forecasts:
How big are the waves at Cape Sebastian today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 2.5ft (0.8m), 17s period with SW swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 3ft (0.9m), 17s period with SW swell.
- Evening surf: Evening surf (21 Sep, local time) - 4ft (1.2m), 14s period with WNW swell.
The current surf forecast for Cape Sebastian at 1AM is: 0.8m 18s primary swell from a Southwest direction and 1.1m 6s secondary swell from a Northwest direction (forecast issued at 04:00pm September 20). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 2.5ft (0.8m) | 17s |
| Afternoon (21 Sep) | 3ft (0.9m) | 17s |
| Evening (21 Sep) | 4ft (1.2m) | 14s |
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 12°C on Sun night). Winds increasing (light winds from the N on Sun night, fresh winds from the NNW by Tue afternoon). | ||||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||
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 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 | 318 | 388 | 414 | 473 | 370 | 366 | 362 | 427 | 493 | 408 | 515 | 690 | 837 | 943 | 1091 | 1022 | 692 | 605 | 550 | 443 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 7:17PM2.31m | 10:03AM2.09m | 8:26PM2.35m | 10:30AM2.19m | 9:23PM2.42m | |||||||||||||||
Low Tide | 1:34PM1.78m | 2:54AM0.78m | 2:49PM1.68m | 3:39AM0.71m | 3:42PM1.53m | |||||||||||||||
 | |  | | | | |  | |  | | |  | | | | | | | | |
 | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — |
 | — | 7:19 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 16 | 14 | 13 | 13 | 12 | 13 | 17 | 18 | 18 | 15 | 14 | 13 | 13 | 14 | 18 | 18 | 18 | 15 | 13 |
Feels °C | 13 | 12 | 11 | 11 | 12 | 9 | 10 | 13 | 13 | 13 | 10 | 11 | 10 | 9 | 10 | 13 | 12 | 12 | 9 | 8 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 19 | NW 6 | NW 6 | 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 | 318 | 388 | 414 | 112 | 88 | 366 | 362 | 427 | 493 | 408 | 515 | 690 | 837 | 943 | 1091 | 1022 | 692 | 605 | 550 | 443 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 12 | SW 18 | SW 18 | 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 | 34 | 33 | 15 | 473 | 370 | 21 | 32 | 43 | 105 | 302 | 482 | 482 | 470 | 530 | 454 | 380 | 366 | 357 | 299 | 357 |
Swell 3 Height (m) Direction Period (s) | WNW 10 | SW 12 | SW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | WNW 8 | S 12 | WNW 8 | S 12 | S 12 | S 12 | — | S 12 | S 12 | S 12 |
| kJ | 10 | 6 | 6 | 30 | 29 | 29 | 29 | 29 | 14 | 15 | 64 | 12 | 51 | 11 | 11 | 11 | — | 11 | 11 | 11 |
Wind waves Height (m) Direction Period (s) | NW 6 | NW 6 | NW 6 | — | — | NW 6 | NNW 6 | NNW 6 | NW 6 | NW 6 | NNW 5 | NW 6 | NNW 5 | NNW 5 | NNW 6 | NW 5 | NW 5 | NW 6 | NW 6 | NW 6 |
| kJ | 102 | 188 | 162 | — | — | 83 | 68 | 55 | 120 | 159 | 97 | 77 | 28 | 25 | 74 | 85 | 92 | 150 | 124 | 80 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 63 | 281 | 48 | 0 | 0 | 48 | 0 | 440 | 493 | 631 | 48 | 0 | 0 | 0 | 0 | 63 | 461 | 631 | 271 | 0 |
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