Surf Forecasts:
How big are the waves at Derde Steen today (14 Aug):
- Morning surf: Morning surf (14 Aug, local time) - 6ft (1.8m), 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 1AM is: 2.0m 16s primary swell from a West-southwest direction and 0.8m 4s secondary swell from a North-northwest direction (forecast issued at 07:00pm August 13). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Aug) | 6ft (1.8m) | 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. Warm (max 20°C on Thu night, min 12°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Thu 13 | Friday 14 | Saturday 15 | |||||||||||||||||
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 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 13 | WSW 14 | WSW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 2262 | 2164 | 1957 | 1828 | 1488 | 1431 | 1145 | 1275 | 1130 | 989 | 947 | 1075 | 1075 | 1059 | 1043 | 1013 | 1398 | 1526 | 1526 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross | cross | glassy | off | off | glassy | 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 | 10:07PM0.02m | 10:16AM-0.00m | 10:45PM0.03m | 10:51AM0.05m | |||||||||||||||
 |  | | |  | |  | | | | | | | | | | |  | | |
 | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — |
 | 6:14 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 20 | 19 | 16 | 12 | 12 | 14 | 15 | 15 | 14 | 14 | 13 | 12 | 12 | 14 | 16 | 16 | 15 | 15 |
Feels °C | 19 | 16 | 15 | 12 | 9 | 10 | 11 | 12 | 13 | 13 | 14 | 12 | 11 | 11 | 13 | 14 | 14 | 13 | 15 |
Swell 1 Height (m) Direction Period (s) | 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 13 | WSW 14 | WSW 14 |
| kJ | 2262 | 2164 | 1957 | 1828 | 1488 | 1431 | 1145 | 1275 | 1130 | 989 | 947 | 1075 | 1075 | 1059 | 1043 | 1013 | 1398 | 1526 | 1526 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | WNW 6 | WNW 6 | WNW 6 | WNW 6 | W 6 | W 6 | W 6 | W 8 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 51 | 47 | 34 | 33 | 31 | 33 | 39 | 72 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | W 18 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 162 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 5 | — | NNW 4 | NW 4 | NW 5 | NW 5 | WNW 6 | NW 6 | — | — | — | — | — | — | — | — | — | — |
| kJ | 54 | 33 | — | 17 | 19 | 35 | 45 | 53 | 64 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 32 | 0 | 0 | 0 | 0 | 0 | 40 | 38 | 22 | 6 | 0 | 0 | 0 | 0 | 0 | 17 | 3 | 3 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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