Surf Forecasts:
How big are the waves at Jacobs Bay today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 10ft (3.0m), 8s period with S swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 10ft (3.0m), 8s period with S swell.
- Evening surf: Evening surf (17 Sep, local time) - 10ft (3.0m), 8s period with S swell.
The current surf forecast for Jacobs Bay at 7AM is: 1.9m 12s primary swell from a Southwest direction and 0.8m 12s secondary swell from a West direction, 2.5m 8s secondary swell from a South direction (forecast issued at 01:00am September 17). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 10ft (3.0m) | 8s |
| Afternoon (17 Sep) | 10ft (3.0m) | 8s |
| Evening (17 Sep) | 10ft (3.0m) | 8s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 22°C on Sat night, min 12°C on Thu night). Winds decreasing (strong winds from the SSE on Thu afternoon, light winds from the SE by Sat night). | ||||||||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | ||||||||||||||||||||||
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 13 | SW 13 | SW 12 | S 8 | SW 12 | S 8 | S 8 | S 8 | S 8 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1191 | 1191 | 1031 | 1121 | 961 | 1034 | 1221 | 973 | 753 | 600 | 600 | 652 | 652 | 796 | 878 | 796 | 784 | 678 | 712 | 463 | 355 | 361 | 951 | 1152 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | cross-off | cross-off | cross | cross | cross | cross-off |
High Tide | 6:25AM1.14m | 6:38PM1.14m | 7:13AM1.02m | 7:34PM1.01m | 8:52AM0.93m | 9:41PM0.95m | ||||||||||||||||||
Low Tide | 00:16AM0.41m | 12:21PM0.51m | 00:54AM0.54m | 1:06PM0.64m | 2:04AM0.64m | 3:02PM0.73m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | | | | | | | |
 | — | 6:45 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:42 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 12 | 13 | 15 | 18 | 16 | 15 | 14 | 13 | 12 | 12 | 15 | 19 | 20 | 20 | 17 | 14 | 13 | 15 | 19 | 18 | 20 | 21 | 22 |
Feels °C | 5 | 4 | 5 | 6 | 9 | 6 | 7 | 6 | 6 | 6 | 7 | 8 | 12 | 13 | 14 | 12 | 10 | 8 | 11 | 15 | 13 | 16 | 18 | 19 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 |
| kJ | 1191 | 1191 | 1031 | 944 | 961 | 865 | 710 | 594 | 622 | 600 | 600 | 652 | 652 | 796 | 878 | 796 | 784 | 678 | 712 | 463 | 355 | 361 | 951 | 1152 |
Swell 2 Height (m) Direction Period (s) | W 13 | W 12 | W 12 | W 12 | — | — | — | — | — | — | — | — | W 20 | — | SW 18 | WSW 18 | SW 16 | SW 16 | SW 16 | S 9 | SW 14 | SW 14 | — | — |
| kJ | 329 | 304 | 148 | 106 | — | — | — | — | — | — | — | — | 7 | — | 49 | 31 | 41 | 163 | 65 | 257 | 346 | 350 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 15 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 255 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | 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 | S 8 | S 8 | S 8 | S 8 | S 9 | SSE 8 | S 9 | S 8 | S 7 | S 8 |
| kJ | 986 | 963 | 997 | 1121 | 943 | 1034 | 1221 | 973 | 753 | 513 | 350 | 355 | 359 | 475 | 539 | 439 | 358 | 283 | 251 | 287 | 247 | 208 | 208 | 341 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 84 | 84 | 84 | 84 | 921 | 469 | 84 | 84 | 84 | 84 | 84 | 28 | 30 | 99 | 28 | 28 | 28 | 28 | 28 | 18 | 28 | 29 | 29 | 28 |
Best forecast wave conditions in West Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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