Surf Forecasts:
How big are the waves at Big Bay today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 5.5ft (1.7m), 19s period with WSW swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 6ft (1.8m), 18s period with SW swell.
- Evening surf: Evening surf (12 Aug, local time) - 6.5ft (2.0m), 17s period with SW swell.
The current surf forecast for Big Bay at 11AM is: 1.7m 18s primary swell from a Southwest direction and 0.9m 10s secondary swell from a South-southwest direction (forecast issued at 07:00am August 12). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 5.5ft (1.7m) | 19s |
| Afternoon (12 Aug) | 6ft (1.8m) | 18s |
| Evening (12 Aug) | 6.5ft (2.0m) | 17s |
Table - waves today at Big Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Thu afternoon, min 13°C on Wed morning). Wind will be generally light. | |||||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | |||||||||||||||||||||
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) | WSW 20 | SW 20 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | WSW 16 | SW 20 | SW 16 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1809 | 1864 | 1922 | 1839 | 1952 | 2293 | 2161 | 1809 | 1864 | 2438 | 2998 | 2581 | 2262 | 2164 | 1957 | 1663 | 1642 | 1511 | 1358 | 1413 | 1257 | 1106 | 947 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | off | cross-off | cross | cross-on | on | cross | cross | cross-off | cross | cross-on | cross-on | on | cross-on | glassy | glassy |
High Tide | 3:13PM1.62m | 3:29AM1.57m | 3:52PM1.68m | 4:09AM1.56m | 4:29PM1.69m | ||||||||||||||||||
Low Tide | 9:01AM0.02m | 9:27PM0.05m | 9:40AM-0.01m | 10:07PM0.02m | 10:16AM-0.00m | 10:45PM0.03m | |||||||||||||||||
 |  | | | |  | | | | | | | | | | | | | |  | | | | |
 | 7:28 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — |
 | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 13 | 16 | 20 | 21 | 20 | 20 | 20 | 18 | 18 | 22 | 27 | 23 | 21 | 20 | 19 | 18 | 16 | 17 | 16 | 15 | 15 | 14 |
Feels °C | 10 | 9 | 12 | 16 | 18 | 16 | 16 | 15 | 14 | 15 | 19 | 22 | 20 | 18 | 16 | 15 | 14 | 13 | 14 | 14 | 14 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | WSW 20 | SW 20 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | WSW 16 | SW 16 | SW 16 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 |
| kJ | 1809 | 1864 | 1922 | 1839 | 1952 | 2293 | 2161 | 1809 | 1611 | 2438 | 2998 | 2581 | 2262 | 2164 | 1957 | 1663 | 1642 | 1511 | 1358 | 1413 | 1257 | 1106 | 947 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | SSW 10 | SSW 10 | SSW 10 | SSE 10 | SW 22 | SW 21 | SW 20 | SW 20 | NNW 7 | NNW 7 | — | — | — | — | — | — | — | — | NW 5 | NW 4 | W 5 |
| kJ | 286 | 229 | 187 | 149 | 116 | 19 | 382 | 898 | 1864 | 557 | 18 | 26 | — | — | — | — | — | — | — | — | 11 | 5 | 13 |
Swell 3 Height (m) Direction Period (s) | SW 11 | SW 11 | SW 10 | — | SW 10 | — | SE 10 | S 10 | SE 7 | N 6 | — | — | — | — | — | — | — | — | — | — | — | W 5 | W 18 |
| kJ | 169 | 140 | 106 | — | 65 | — | 35 | 9 | 54 | 13 | — | — | — | — | — | — | — | — | — | — | — | 5 | 162 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SE 8 | SE 7 | ESE 3 | — | — | — | — | NNW 5 | NNW 5 | — | — | — | NNW 4 | NW 4 | NW 5 | — | — | — |
| kJ | — | — | — | — | — | 62 | 91 | 9 | — | — | — | — | 33 | 23 | — | — | — | 12 | 16 | 18 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 2 | 0 | 0 | 2 | 19 | 29 | 2 | 2 | 0 | 2 | 2 | 2 | 29 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Big Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest