Surf Forecasts:
How big are the waves at Jacobs Bay today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 10ft (3.0m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 7.5ft (2.3m), 13s period with WSW swell.
- Evening surf: Evening surf (16 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 1.6m 13s secondary swell from a Southwest direction, 1.3m 13s secondary swell from a West-southwest direction (forecast issued at 01:00pm September 16). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 10ft (3.0m) | 13s |
| Afternoon (16 Sep) | 7.5ft (2.3m) | 13s |
| Evening (16 Sep) | 10ft (3.0m) | 8s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Fri afternoon, min 12°C on Wed night). Winds decreasing (strong winds from the S on Wed afternoon, light winds from the SE by Sat morning). | |||||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | |||||||||||||||||||
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 9 | WSW 13 | WSW 13 | S 8 | SW 13 | SW 13 | S 9 | S 8 | SW 12 | S 8 | S 8 | S 8 | S 8 | S 8 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 993 | 2036 | 1359 | 963 | 1144 | 1191 | 1143 | 1107 | 1013 | 1039 | 964 | 1303 | 897 | 675 | 622 | 600 | 652 | 652 | 796 | 878 | 796 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 6:01PM1.28m | 6:25AM1.14m | 6:38PM1.14m | 7:13AM1.02m | 7:34PM1.01m | ||||||||||||||||
Low Tide | 11:49AM0.39m | 00:16AM0.41m | 12:21PM0.51m | 00:54AM0.54m | 1:06PM0.64m | ||||||||||||||||
 | |  |  |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — |
 | — | — | 6:39 | — | — | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:40 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 14 | 14 | 12 | 12 | 12 | 15 | 17 | 16 | 15 | 13 | 13 | 12 | 12 | 15 | 17 | 20 | 18 | 15 |
Feels °C | 5 | 5 | 4 | 6 | 7 | 5 | 5 | 4 | 7 | 8 | 7 | 7 | 5 | 7 | 5 | 6 | 8 | 10 | 14 | 13 | 10 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 13 |
| kJ | 892 | 2036 | 1359 | 683 | 1144 | 1191 | 1086 | 1013 | 1013 | 1007 | 865 | 710 | 604 | 594 | 622 | 600 | 652 | 652 | 796 | 878 | 796 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 13 | WSW 13 | W 13 | W 13 | W 12 | W 12 | W 12 | — | — | — | — | — | — | — | SW 20 | W 20 | — | SW 18 | WSW 18 |
| kJ | 641 | 666 | 511 | 669 | 408 | 329 | 304 | 148 | 106 | — | — | — | — | — | — | — | 15 | 7 | — | 49 | 31 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 9 | S 7 | S 7 | S 8 | S 8 | S 8 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 |
| kJ | 993 | 278 | 601 | 963 | 915 | 1090 | 1143 | 1107 | 997 | 1039 | 964 | 1303 | 897 | 675 | 501 | 350 | 308 | 332 | 475 | 513 | 535 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 413 | 447 | 469 | 84 | 82 | 84 | 84 | 84 | 84 | 469 | 915 | 84 | 84 | 84 | 69 | 69 | 28 | 28 | 30 | 99 | 28 |
Best forecast wave conditions in West Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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