Surf Forecasts:
How big are the waves at Derde Steen today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 8ft (2.5m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 8ft (2.5m), 12s period with SW swell.
- Evening surf: Evening surf (19 Aug, local time) - 7.5ft (2.3m), 12s period with SW swell.
The current surf forecast for Derde Steen at 5PM is: 2.4m 12s primary swell from a Southwest direction (forecast issued at 01:00pm August 19). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 8ft (2.5m) | 12s |
| Afternoon (19 Aug) | 8ft (2.5m) | 12s |
| Evening (19 Aug) | 7.5ft (2.3m) | 12s |
Table - waves today at Derde Steen. (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 | |||||||||||||||||||
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 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 | WSW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1866 | 1835 | 1638 | 1550 | 1476 | 1687 | 2497 | 3334 | 3422 | 2884 | 2660 | 1999 | 1731 | 1513 | 1403 | 1236 | 1027 | 743 | 505 | 572 | 366 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-off | cross | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | glassy | cross-on |
High Tide | 7:29PM1.15m | 8:07AM0.99m | 8:32PM1.04m | 9:49AM0.92m | 10:25PM0.98m | ||||||||||||||||
Low Tide | 1:06PM0.51m | 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 | 14 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 15 | 16 | 15 | 13 | 13 | 13 | 12 | 11 | 16 | 18 | 19 | 15 | 14 |
Feels °C | 10 | 12 | 10 | 12 | 12 | 13 | 12 | 12 | 13 | 12 | 11 | 10 | 10 | 11 | 10 | 8 | 14 | 16 | 17 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | 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 | 1866 | 1835 | 1638 | 1550 | 1476 | 1687 | 2497 | 3334 | 3422 | 2884 | 2660 | 1999 | 1731 | 1513 | 1403 | 1236 | 1027 | 743 | 505 | 372 | 366 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 11 | SSW 10 | SSW 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 386 | 260 | 255 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 5 | SSE 5 | S 6 | — | SSW 11 | S 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 53 | 62 | 65 | — | 572 | 71 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 42 | 42 | 37 | 1 | 3 | 1 | 4 | 1 | 4 | 10 | 10 | 1 | 0 | 0 | 0 | 0 | 1 | 3 | 17 | 0 | 3 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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