Surf Forecasts:
How big are the waves at Big Bay today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 10ft (3.0m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 10ft (3.0m), 13s period with SW swell.
- Evening surf: Evening surf (20 Aug, local time) - 8ft (2.5m), 12s period with SW swell.
The current surf forecast for Big Bay at 10PM is: 2.5m 12s primary swell from a Southwest direction (forecast issued at 01:00pm August 20). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 10ft (3.0m) | 13s |
| Afternoon (20 Aug) | 10ft (3.0m) | 13s |
| Evening (20 Aug) | 8ft (2.5m) | 12s |
Table - waves today at Big Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Fri afternoon, min 11°C on Thu night). Wind will be generally light. | |||||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||||
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 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SSW 11 | WSW 11 | SSW 10 | WSW 11 | WSW 11 | SSW 12 | SSW 12 | SW 11 | SW 11 | SW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3422 | 2884 | 2536 | 1999 | 1731 | 1513 | 1403 | 1152 | 1092 | 935 | 850 | 436 | 396 | 388 | 304 | 275 | 443 | 390 | 515 | 918 | 1080 |
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 | off | cross-off | off | cross-off | cross | cross | cross | cross | glassy | glassy | cross | on | cross-on | cross-on | cross | cross-off |
High Tide | 8:07AM0.99m | 8:32PM1.04m | 9:49AM0.92m | 10:25PM0.98m | 11:54AM0.96m | ||||||||||||||||
Low Tide | 1:57PM0.63m | 3:19AM0.62m | 3:53PM0.70m | 5:32AM0.61m | 6:08PM0.66m | ||||||||||||||||
 | | |  | | | | | | | | |  | |  | | | | | | | |
 | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — |
 | — | — | 6:19 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:21 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 16 | 15 | 13 | 13 | 12 | 11 | 11 | 15 | 18 | 16 | 16 | 13 | 13 | 13 | 13 | 15 | 16 | 15 | 16 | 15 |
Feels °C | 12 | 13 | 11 | 10 | 11 | 10 | 9 | 9 | 13 | 16 | 14 | 15 | 12 | 13 | 14 | 12 | 14 | 14 | 14 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SSW 11 | WSW 11 | SSW 10 | SSW 10 | WSW 11 | SSW 12 | SSW 12 | SW 11 | SW 11 | SW 11 |
| kJ | 3422 | 2884 | 2536 | 1999 | 1731 | 1513 | 1403 | 1152 | 1092 | 935 | 850 | 436 | 366 | 388 | 304 | 275 | 443 | 390 | 515 | 918 | 1080 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | WSW 11 | WSW 11 | — | WSW 11 | WSW 11 | SSW 10 | WSW 11 | WSW 10 | SW 17 | WSW 16 | WSW 15 |
| kJ | — | — | — | — | — | — | — | — | — | — | 435 | 372 | — | 317 | 286 | 186 | 176 | 173 | 11 | 51 | 126 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 14 | SSW 14 | SSW 13 | — | W 17 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 77 | 105 | 209 | — | 6 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | S 4 | — | — | — | — | SSE 5 | — | — | — | SSW 10 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 9 | — | — | — | — | 48 | — | — | — | 396 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 39 | 39 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 2 | 14 | 0 | 0 | 2 | 20 | 29 | 29 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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