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 1AM is: 2.3m 12s primary swell from a Southwest direction (forecast issued at 07:00pm August 19). 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 19°C on Fri afternoon, min 11°C on Fri morning). Wind will be generally light. | |||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | |||||||||||||||||
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 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SSW 11 | SSW 11 | SSW 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 1550 | 1550 | 1476 | 1687 | 2497 | 3334 | 3422 | 2884 | 2536 | 1999 | 1731 | 1610 | 1403 | 1236 | 882 | 935 | 444 | 496 | 451 |
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 | off | off | cross-off | glassy | cross | glassy | cross |
High Tide | 7:29PM1.15m | 8:07AM0.99m | 8:32PM1.04m | 9:49AM0.92m | 10:25PM0.98m | ||||||||||||||
Low Tide | 1:55AM0.54m | 1:57PM0.63m | 3:19AM0.62m | 3:53PM0.70m | |||||||||||||||
 |  | | | | | | | | | | | | | | | | |  | |
 | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — |
 | 6:19 | — | — | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:20 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 14 | 14 | 13 | 13 | 14 | 16 | 15 | 13 | 13 | 12 | 12 | 11 | 15 | 19 | 16 | 15 | 14 |
Feels °C | 10 | 12 | 12 | 13 | 11 | 12 | 11 | 13 | 11 | 10 | 11 | 10 | 10 | 8 | 13 | 18 | 14 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SSW 11 | WSW 11 | WSW 11 |
| kJ | 1550 | 1550 | 1476 | 1687 | 2497 | 3334 | 3422 | 2884 | 2536 | 1999 | 1731 | 1610 | 1403 | 1236 | 882 | 935 | 444 | 372 | 366 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 6 | — | WSW 11 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 39 | — | 379 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 3 | — | — | — | — | — | — | — | — | — | — | SSE 4 | — | SSE 5 | SSE 5 | — | — | SSW 11 | SSW 10 |
| kJ | 6 | — | — | — | — | — | — | — | — | — | — | 25 | — | 57 | 60 | — | — | 496 | 451 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 52 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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