Surf Forecasts:
How big are the waves at Big Bay today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 6.5ft (2.0m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 6ft (1.9m), 12s period with SW swell.
- Evening surf: Evening surf (17 Sep, local time) - 5.5ft (1.7m), 12s period with SW swell.
The current surf forecast for Big Bay at 9PM is: 1.7m 12s primary swell from a Southwest direction and 1.8m 7s secondary swell from a South-southeast direction (forecast issued at 01:00pm September 17). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 6.5ft (2.0m) | 12s |
| Afternoon (17 Sep) | 6ft (1.9m) | 12s |
| Evening (17 Sep) | 5.5ft (1.7m) | 12s |
Table - waves today at Big Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 24°C on Sun morning, min 11°C on Thu night). Winds decreasing (strong winds from the SSE on Thu afternoon, light winds from the SE by Sun morning). | |||||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | |||||||||||||||||||
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 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 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1031 | 1111 | 887 | 794 | 710 | 685 | 652 | 640 | 640 | 600 | 796 | 796 | 784 | 748 | 657 | 646 | 522 | 355 | 902 | 1130 | 1324 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 6:36PM1.13m | 7:10AM1.01m | 7:30PM1.00m | 8:48AM0.92m | 9:37PM0.93m | ||||||||||||||||
Low Tide | 12:20PM0.51m | 00:53AM0.53m | 1:03PM0.63m | 2:02AM0.64m | 2:56PM0.73m | ||||||||||||||||
 | | |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — |
 | — | — | 6:37 | — | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:39 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 18 | 17 | 14 | 12 | 11 | 11 | 11 | 15 | 20 | 21 | 17 | 14 | 13 | 13 | 14 | 18 | 21 | 21 | 20 | 18 |
Feels °C | 8 | 9 | 8 | 8 | 7 | 7 | 8 | 8 | 11 | 14 | 16 | 13 | 11 | 10 | 11 | 11 | 15 | 18 | 19 | 18 | 16 |
Swell 1 Height (m) Direction Period (s) | 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 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 14 |
| kJ | 1031 | 1111 | 887 | 794 | 710 | 685 | 652 | 640 | 640 | 600 | 796 | 796 | 784 | 748 | 657 | 646 | 522 | 355 | 902 | 1130 | 1324 |
Swell 2 Height (m) Direction Period (s) | W 12 | — | — | — | — | — | — | — | W 20 | W 20 | SW 18 | SW 18 | SSE 8 | SSE 7 | SSE 8 | SSE 7 | SSE 6 | SW 14 | — | — | — |
| kJ | 139 | — | — | — | — | — | — | — | 7 | 7 | 12 | 49 | 133 | 69 | 83 | 73 | 55 | 305 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | WSW 18 | SW 16 | SW 16 | — | SW 15 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 31 | 41 | 127 | — | 174 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 7 | SSE 7 | S 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 6 | SSE 6 | SSE 6 | SSE 6 |
| kJ | 308 | 342 | 494 | 342 | 247 | 200 | 132 | 132 | 141 | 214 | 285 | 204 | 206 | 123 | 150 | 138 | 116 | 62 | 98 | 127 | 98 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 166 | 223 | 3870 | 118 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 58 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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