Surf Forecasts:
How big are the waves at Derde Steen today (14 Aug):
- Morning surf: Morning surf (14 Aug, local time) - 5.5ft (1.7m), 15s period with WSW swell.
- Afternoon surf: Afternoon surf (14 Aug, local time) - 5.5ft (1.7m), 15s period with WSW swell.
- Evening surf: Evening surf (14 Aug, local time) - 5ft (1.6m), 14s period with WSW swell.
The current surf forecast for Derde Steen at 5PM is: 1.7m 14s primary swell from a West-southwest direction and 0.9m 6s secondary swell from a West-northwest direction (forecast issued at 01:00pm August 14). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Aug) | 5.5ft (1.7m) | 15s |
| Afternoon (14 Aug) | 5.5ft (1.7m) | 15s |
| Evening (14 Aug) | 5ft (1.6m) | 14s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sat afternoon, min 12°C on Fri night). Wind will be generally light. | |||||||||||||||||||||
Fri 14 | Saturday 15 | Sunday 16 | |||||||||||||||||||
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 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1145 | 1275 | 1130 | 989 | 947 | 1059 | 1075 | 1059 | 1043 | 1013 | 1144 | 1576 | 1576 | 1444 | 1422 | 1356 | 1384 | 1690 | 1887 | 2417 | 3063 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross | cross-off | off | off | glassy | cross-off | cross-on | cross-on | cross | glassy | cross-off | cross | cross-off | cross | cross-on | cross-on | cross-off | cross-off |
High Tide | 4:29PM1.69m | 4:46AM1.51m | 5:05PM1.64m | 5:22AM1.43m | 5:39PM1.55m | ||||||||||||||||
Low Tide | 10:16AM-0.00m | 10:45PM0.03m | 10:51AM0.05m | 11:22PM0.09m | 11:24AM0.14m | ||||||||||||||||
 |  | |  | | |  | | |  | | | |  | | | | | | | | |
 | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — |
 | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 16 | 15 | 14 | 13 | 12 | 12 | 14 | 17 | 16 | 16 | 15 | 14 | 14 | 13 | 16 | 17 | 16 | 15 | 15 |
Feels °C | 9 | 10 | 14 | 14 | 13 | 12 | 11 | 11 | 13 | 15 | 14 | 15 | 14 | 12 | 13 | 11 | 14 | 14 | 14 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 |
| kJ | 1145 | 1275 | 1130 | 989 | 947 | 1059 | 1075 | 1059 | 1043 | 1013 | 1144 | 1576 | 1576 | 1444 | 1422 | 1356 | 1384 | 1690 | 1887 | 2417 | 3063 |
Swell 2 Height (m) Direction Period (s) | — | — | WNW 6 | WNW 6 | WNW 6 | W 6 | W 6 | W 6 | W 7 | WSW 8 | WSW 8 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 59 | 47 | 34 | 32 | 33 | 48 | 57 | 109 | 83 | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | W 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 162 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 5 | NW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 3 | NNW 3 | — | — | — |
| kJ | 62 | 72 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 3 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 91 | 40 | 38 | 32 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 1 | 0 | 0 | 6 | 0 | 6 | 38 | 32 | 0 | 1 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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