Surf Forecasts:
How big are the waves at Derde Steen today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 7ft (2.2m), 17s period with WSW swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 7ft (2.2m), 17s period with WSW swell.
- Evening surf: Evening surf (13 Aug, local time) - 6.5ft (2.0m), 16s period with WSW swell.
The current surf forecast for Derde Steen at 12PM is: 2.2m 17s primary swell from a West-southwest direction (forecast issued at 07:00am August 13). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | 7ft (2.2m) | 17s |
| Afternoon (13 Aug) | 7ft (2.2m) | 17s |
| Evening (13 Aug) | 6.5ft (2.0m) | 16s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Thu afternoon, min 12°C on Fri morning). Wind will be generally light. | |||||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | |||||||||||||||||||||
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) | SW 19 | 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 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 14 | WSW 14 | WSW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1845 | 2438 | 2998 | 2796 | 2262 | 2164 | 1957 | 1828 | 1488 | 1431 | 1145 | 1275 | 1257 | 989 | 947 | 1059 | 1196 | 1179 | 1161 | 1127 | 1286 | 1384 | 1384 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-off | cross-on | off | off | off | glassy | cross-on | cross-on | cross | glassy |
High Tide | 3:52PM1.68m | 4:09AM1.56m | 4:29PM1.69m | 4:46AM1.51m | 5:05PM1.64m | ||||||||||||||||||
Low Tide | 9:40AM-0.01m | 10:07PM0.02m | 10:16AM-0.00m | 10:45PM0.03m | 10:51AM0.05m | ||||||||||||||||||
 |  | | | | | |  | | | |  | | | | | |  | | | | |  | |
 | 7:26 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — |
 | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 18 | 22 | 26 | 23 | 20 | 19 | 17 | 14 | 12 | 15 | 16 | 15 | 14 | 13 | 13 | 12 | 12 | 14 | 17 | 15 | 15 | 15 |
Feels °C | 14 | 14 | 18 | 21 | 20 | 17 | 15 | 13 | 11 | 10 | 12 | 12 | 13 | 13 | 12 | 13 | 11 | 11 | 13 | 15 | 13 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | 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 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 14 | WSW 14 | WSW 14 |
| kJ | 1611 | 2438 | 2998 | 2796 | 2262 | 2164 | 1957 | 1828 | 1488 | 1431 | 1145 | 1275 | 1257 | 989 | 947 | 1059 | 1196 | 1179 | 1161 | 1127 | 1286 | 1384 | 1384 |
Swell 2 Height (m) Direction Period (s) | SW 19 | SW 20 | — | NNW 7 | — | — | — | — | — | — | — | — | WNW 5 | WNW 5 | WNW 5 | WNW 5 | W 5 | W 6 | W 6 | W 7 | W 7 | — | — |
| kJ | 1845 | 557 | — | 9 | — | — | — | — | — | — | — | — | 34 | 32 | 21 | 21 | 20 | 21 | 25 | 44 | 68 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 18 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 162 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NNW 6 | NNW 6 | — | — | NNW 4 | NW 5 | NW 5 | NW 5 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 37 | 32 | — | — | 12 | 22 | 30 | 32 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 6 | 28 | 32 | 0 | 0 | 0 | 0 | 0 | 40 | 38 | 38 | 0 | 32 | 0 | 0 | 0 | 0 | 10 | 3 | 1 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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