Surf Forecasts:
How big are the waves at Big Bay today (18 Aug):
- Afternoon surf: Afternoon surf (18 Aug, local time) - 7.5ft (2.3m), 13s period with SW swell.
- Evening surf: Evening surf (18 Aug, local time) - 10ft (3.0m), 12s period with SW swell.
The current surf forecast for Big Bay at 10PM is: 3.0m 12s primary swell from a Southwest direction (forecast issued at 07:00pm August 18). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | - | - |
| Afternoon (18 Aug) | 7.5ft (2.3m) | 13s |
| Evening (18 Aug) | 10ft (3.0m) | 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. | |||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||
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 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 2345 | 2630 | 2548 | 2379 | 2113 | 2078 | 1866 | 1742 | 1638 | 1550 | 1476 | 1591 | 2183 | 3126 | 3126 | 2884 | 2407 | 1999 | 1731 |
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 | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 6:48PM1.29m | 7:12AM1.10m | 7:29PM1.15m | 8:07AM0.99m | 8:32PM1.04m | ||||||||||||||
Low Tide | 1:08AM0.42m | 1:06PM0.51m | 1:55AM0.54m | 1:57PM0.63m | |||||||||||||||
 |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — |
 | 6:17 | — | — | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:19 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 13 | 13 | 12 | 12 | 12 | 14 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 16 | 15 | 13 | 13 |
Feels °C | 12 | 10 | 11 | 10 | 10 | 11 | 11 | 12 | 11 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 11 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 |
| kJ | 2345 | 2630 | 2548 | 2379 | 2113 | 2078 | 1866 | 1742 | 1638 | 1550 | 1476 | 1591 | 2183 | 3126 | 3126 | 2884 | 2407 | 1999 | 1731 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 6 | 52 | 56 | 0 | 0 | 0 | 0 | 0 | 34 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 39 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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