Surf Forecasts:
How big are the waves at Derde Steen today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 10ft (3.0m), 13s period with WSW swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 8ft (2.5m), 13s period with WSW swell.
- Evening surf: Evening surf (17 Aug, local time) - 8ft (2.4m), 13s period with WSW swell.
The current surf forecast for Derde Steen at 5PM is: 2.5m 13s primary swell from a West-southwest direction and 0.6m 16s secondary swell from a West direction (forecast issued at 01:00pm August 17). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 10ft (3.0m) | 13s |
| Afternoon (17 Aug) | 8ft (2.5m) | 13s |
| Evening (17 Aug) | 8ft (2.4m) | 13s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Mon afternoon, min 12°C on Tue night). Wind will be generally light. | |||||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||||
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 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2528 | 2303 | 2135 | 2187 | 2057 | 1930 | 1514 | 1749 | 1735 | 1429 | 2345 | 2630 | 2548 | 2379 | 2113 | 1978 | 1866 | 1742 | 1550 | 1550 | 1369 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | glassy |
High Tide | 6:13PM1.43m | 6:32AM1.21m | 6:48PM1.29m | 7:12AM1.10m | 7:29PM1.15m | ||||||||||||||||
Low Tide | 11:57AM0.25m | 00:31AM0.30m | 12:30PM0.38m | 1:08AM0.42m | 1:06PM0.51m | ||||||||||||||||
 |  | |  |  |  | |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — |
 | — | — | 6:16 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:19 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 18 | 16 | 14 | 14 | 14 | 14 | 13 | 15 | 16 | 15 | 13 | 13 | 12 | 12 | 12 | 14 | 16 | 14 | 14 | 14 |
Feels °C | 14 | 16 | 14 | 13 | 13 | 13 | 13 | 12 | 13 | 12 | 11 | 10 | 11 | 10 | 11 | 11 | 12 | 13 | 10 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 2528 | 2303 | 2135 | 2187 | 2057 | 1930 | 1514 | 1749 | 1735 | 1429 | 2345 | 2630 | 2548 | 2379 | 2113 | 1978 | 1866 | 1742 | 1550 | 1550 | 1369 |
Swell 2 Height (m) Direction Period (s) | — | — | W 16 | — | — | SW 14 | SW 13 | — | SW 12 | WSW 12 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 193 | — | — | 224 | 340 | — | 398 | 528 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SSE 3 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 7 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 38 | 32 | 14 | 3 | 3 | 1 | 0 | 1 | 55 | 55 | 53 | 4 | 1 | 0 | 0 | 3 | 37 | 17 | 3 | 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)
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 Derde Steen 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