Surf Forecasts:
How big are the waves at Derde Steen today (05 Aug):
- Morning surf: Morning surf (05 Aug, local time) - 5ft (1.5m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (05 Aug, local time) - 7ft (2.2m), 15s period with SW swell.
- Evening surf: Evening surf (05 Aug, local time) - 8ft (2.5m), 14s period with WSW swell.
The current surf forecast for Derde Steen at 6AM is: 1.2m 15s primary swell from a Southwest direction and 0.8m 10s secondary swell from a Southwest direction (forecast issued at 01:00am August 05). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Aug) | 5ft (1.5m) | 16s |
| Afternoon (05 Aug) | 7ft (2.2m) | 15s |
| Evening (05 Aug) | 8ft (2.5m) | 14s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Wed night. Very mild (max 16°C on Wed afternoon, min 10°C on Thu night). Winds decreasing (fresh winds from the NW on Wed afternoon, calm by Fri afternoon). | ||||||||||||||||||||||||
Wednesday 5 | Thursday 6 | Friday 7 | ||||||||||||||||||||||
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 | 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 15 | SW 15 | SW 16 | SW 16 | SW 15 | SW 15 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 301 | 535 | 765 | 1904 | 2255 | 2233 | 2515 | 3167 | 4623 | 4524 | 3980 | 3672 | 3436 | 3177 | 3244 | 3140 | 3242 | 3385 | 3621 | 3835 | 4310 | 4555 | 4493 | 4062 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross | cross-on | cross-off | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-off |
High Tide | 7:15AM1.19m | 7:38PM1.32m | 8:20AM1.10m | 8:48PM1.23m | 9:52AM1.05m | 10:22PM1.20m | ||||||||||||||||||
Low Tide | 1:09AM0.31m | 1:11PM0.39m | 2:07AM0.39m | 2:13PM0.48m | 3:28AM0.44m | 3:47PM0.55m | ||||||||||||||||||
 |  |  | | | | | |  |  |  |  |  | | | | | | | | | | | | |
 | — | 7:35 | — | — | — | — | — | — | — | 7:33 | — | — | — | — | — | — | — | 7:33 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — |
mm | — | — | — | — | — | — | — | — | 2 | 6 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 11 | 11 | 14 | 16 | 15 | 13 | 13 | 13 | 13 | 12 | 13 | 14 | 12 | 11 | 11 | 11 | 10 | 11 | 12 | 15 | 14 | 13 | 13 |
Feels °C | 10 | 8 | 8 | 9 | 10 | 10 | 8 | 7 | 8 | 11 | 9 | 11 | 10 | 7 | 6 | 7 | 7 | 7 | 8 | 10 | 14 | 11 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 15 | SW 16 | SW 16 | SW 15 | SW 15 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 |
| kJ | 144 | 535 | 765 | 1904 | 2255 | 2233 | 2515 | 3167 | 4623 | 4524 | 3980 | 3672 | 3436 | 3177 | 3244 | 3140 | 3242 | 3385 | 3621 | 3835 | 4310 | 4555 | 4493 | 4062 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 10 | SW 13 | W 9 | W 9 | W 9 | W 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 301 | 117 | 398 | 60 | 41 | 25 | 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 10 | W 10 | SW 10 | — | — | W 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 98 | 96 | 77 | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 3 | N 3 | N 4 | NNW 4 | NW 5 | NW 5 | NNW 5 | NNW 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 7 | 18 | 38 | 51 | 74 | 35 | 57 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 5 | 40 | 40 | 83 | 283 | 342 | 276 | 195 | 32 | 17 | 4 | 4 | 73 | 73 | 17 | 10 | 1 | 1 | 1 | 1 | 4 | 17 | 4 | 1 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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