Surf Forecasts:
How big are the waves at Jacobs Bay today (11 Sep):
- Morning surf: Morning surf (11 Sep, local time) - 6ft (1.8m), 12s period with WSW swell.
- Afternoon surf: Afternoon surf (11 Sep, local time) - 8ft (2.5m), 8s period with S swell.
- Evening surf: Evening surf (11 Sep, local time) - 10ft (3.0m), 8s period with S swell.
The current surf forecast for Jacobs Bay at 9PM is: 3.0m 8s primary swell from a South direction and 1.3m 12s secondary swell from a West-southwest direction, 0.4m 14s secondary swell from a Southwest direction (forecast issued at 01:00pm September 11). The wind direction is predicted to be cross-shore and the swell rating is 11.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | 6ft (1.8m) | 12s |
| Afternoon (11 Sep) | 8ft (2.5m) | 8s |
| Evening (11 Sep) | 10ft (3.0m) | 8s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Sun afternoon. Warm (max 21°C on Sat afternoon, min 14°C on Sun night). Winds increasing (light winds from the NE on Sun morning, fresh winds from the NNW by Mon morning). | |||||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | |||||||||||||||||||
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) | WSW 12 | WSW 12 | S 8 | S 8 | S 9 | S 9 | 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 |
Wave Graph  | |||||||||||||||||||||
 kJ | 830 | 692 | 1010 | 1245 | 1250 | 982 | 865 | 1079 | 1500 | 1915 | 1459 | 1968 | 2963 | 2668 | 2416 | 2111 | 1804 | 1507 | 1226 | 1014 | 839 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | on | cross-on | cross | cross |
High Tide | 3:25PM1.72m | 3:44AM1.57m | 3:58PM1.70m | 4:17AM1.54m | 4:29PM1.64m | ||||||||||||||||
Low Tide | 9:15AM0.02m | 9:42PM-0.02m | 9:48AM0.03m | 10:14PM0.01m | 10:19AM0.08m | 10:45PM0.07m | |||||||||||||||
 | | |  | | | |  | | | | | |  | | | | |  |  | | |
 | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — |
 | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 1 |
Temp °C | 17 | 17 | 16 | 15 | 15 | 15 | 15 | 17 | 19 | 19 | 21 | 18 | 17 | 17 | 17 | 17 | 20 | 20 | 16 | 16 | 14 |
Feels °C | 13 | 12 | 11 | 10 | 10 | 11 | 10 | 13 | 14 | 14 | 17 | 15 | 15 | 16 | 15 | 17 | 19 | 19 | 15 | 16 | 9 |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | 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 |
| kJ | 830 | 692 | 616 | 569 | 385 | 385 | 306 | 1079 | 1500 | 1915 | 1459 | 1968 | 2963 | 2668 | 2416 | 2111 | 1804 | 1507 | 1226 | 1014 | 839 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SW 14 | SW 14 | SW 15 | SW 14 | SW 14 | — | — | SW 17 | SW 13 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 |
| kJ | — | — | — | 73 | 130 | 134 | 341 | 988 | — | — | 1282 | 721 | 493 | 343 | 270 | 142 | 149 | 130 | 129 | 127 | 130 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 10 | — | — | SSE 12 | SSE 12 | SSE 12 | SSE 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 70 | — | — | 27 | 27 | 27 | 28 |
Wind waves Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | S 9 | S 9 | S 8 | S 8 | S 9 | S 9 | S 9 | S 9 | — | — | — | — | — | — | — | — | N 4 |
| kJ | 588 | 652 | 1010 | 1245 | 1250 | 982 | 865 | 817 | 702 | 580 | 656 | 676 | — | — | — | — | — | — | — | — | 18 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 29 | 469 | 469 | 99 | 99 | 47 | 99 | 28 | 82 | 413 | 116 | 28 | 18 | 0 | 0 | 0 | 17 | 31 | 31 | 17 | 97 |
Best forecast wave conditions in West Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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