Surf Forecasts:
How big are the waves at Jacobs Bay today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 6ft (1.8m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 7ft (2.1m), 14s period with SW swell.
- Evening surf: Evening surf (12 Sep, local time) - 7ft (2.1m), 16s period with SW swell.
The current surf forecast for Jacobs Bay at 6AM is: 2.3m 8s primary swell from a South direction and 1.1m 12s secondary swell from a West-southwest direction, 0.8m 14s secondary swell from a Southwest direction (forecast issued at 01:00am September 12). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 6ft (1.8m) | 14s |
| Afternoon (12 Sep) | 7ft (2.1m) | 14s |
| Evening (12 Sep) | 7ft (2.1m) | 16s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Sun night. Warm (max 21°C on Sun morning, min 14°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | ||||||||||||||||||||||
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) | S 8 | S 8 | SW 14 | SW 14 | SW 15 | SW 14 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | NW 7 | NW 7 | SW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 885 | 797 | 1079 | 1382 | 2038 | 1704 | 1968 | 2963 | 2668 | 2416 | 2111 | 1804 | 1507 | 1226 | 1102 | 999 | 814 | 653 | 639 | 488 | 416 | 543 | 429 | 318 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | on | cross-on | cross | cross | cross | cross-off | cross | cross | cross | cross | cross |
High Tide | 3:44AM1.57m | 3:58PM1.70m | 4:17AM1.54m | 4:29PM1.64m | 4:49AM1.47m | 5:00PM1.54m | ||||||||||||||||||
Low Tide | 9:48AM0.03m | 10:14PM0.01m | 10:19AM0.08m | 10:45PM0.07m | 10:50AM0.17m | |||||||||||||||||||
 | |  | |  | |  | | | | | | |  |  | | | |  |  | | | | | |
 | — | 6:52 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:38 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 2 | 2 | 3 | 1 | — | — | — | — | — |
Temp °C | 16 | 16 | 18 | 20 | 19 | 20 | 18 | 17 | 16 | 17 | 17 | 21 | 21 | 16 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 14 | 14 | 14 |
Feels °C | 10 | 12 | 15 | 15 | 14 | 15 | 15 | 15 | 15 | 16 | 15 | 20 | 19 | 15 | 14 | 12 | 11 | 11 | 11 | 10 | 10 | 9 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 12 | SW 14 | SW 14 | SW 15 | SW 14 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 385 | 330 | 1079 | 1382 | 2038 | 1704 | 1968 | 2963 | 2668 | 2416 | 2111 | 1804 | 1507 | 1226 | 1102 | 999 | 814 | 653 | 639 | 488 | 416 | 355 | 309 | 303 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 14 | SW 14 | — | — | SW 17 | SW 13 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 7 | S 7 | S 7 | SSE 7 | — | S 7 | SE 7 | — |
| kJ | 134 | 289 | 988 | — | — | 929 | 721 | 498 | 299 | 235 | 168 | 168 | 105 | 95 | 72 | 72 | 51 | 38 | 25 | 9 | — | 1 | 2 | — |
Swell 3 Height (m) Direction Period (s) | — | SW 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 346 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 9 | S 8 | S 8 | S 9 | — | — | — | — | — | — | — | — | N 3 | N 4 | NNW 4 | NNW 5 | NNW 6 | NNW 6 | NW 7 | NW 7 | NW 7 |
| kJ | 885 | 797 | 567 | 594 | 567 | 733 | 708 | — | — | — | — | — | — | — | — | 5 | 13 | 25 | 59 | 175 | 351 | 543 | 429 | 318 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 28 | 29 | 28 | 99 | 106 | 28 | 28 | 18 | 0 | 0 | 0 | 0 | 98 | 31 | 86 | 69 | 86 | 108 | 142 | 200 | 285 | 468 | 290 | 192 |
Best forecast wave conditions in West Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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