Surf Forecasts:
How big are the waves at Derde Steen today (09 Aug):
- Morning surf: Morning surf (09 Aug, local time) - 10ft (3.0m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (09 Aug, local time) - 11ft (3.5m), 12s period with SSW swell.
- Evening surf: Evening surf (09 Aug, local time) - 11ft (3.5m), 12s period with SSW swell.
The current surf forecast for Derde Steen at 1AM is: 3.5m 13s primary swell from a Southwest direction (forecast issued at 07:00pm August 08). The wind direction is predicted to be cross-shore and the swell rating is 11.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Aug) | 10ft (3.0m) | 12s |
| Afternoon (09 Aug) | 11ft (3.5m) | 12s |
| Evening (09 Aug) | 11ft (3.5m) | 12s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Sun morning. Very mild (max 17°C on Tue afternoon, min 10°C on Mon night). Winds decreasing (strong winds from the SSE on Sun morning, light winds from the SSE by Tue afternoon). | |||||||||||||||||||
Sat 8 | Sunday 9 | Monday 10 | |||||||||||||||||
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 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | S 10 | SSW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 4499 | 4630 | 4144 | 3759 | 3459 | 3020 | 2358 | 3344 | 3301 | 2929 | 2502 | 1921 | 1511 | 1326 | 1192 | 1268 | 1221 | 832 | 955 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:55PM1.25m | 12:48PM1.23m | 1:05AM1.35m | 1:45PM1.37m | |||||||||||||||
Low Tide | 5:37PM0.51m | 6:32AM0.33m | 6:57PM0.39m | 7:32AM0.21m | 7:55PM0.25m | ||||||||||||||
 |  |  |  |  |  |  |  | | | | | | | | | | | | |
 | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:30 | — | — | — | — | — | — |
 | 6:10 | — | — | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:12 | — | — |
mm | 1 | — | — | — | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 13 | 11 | 12 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 14 | 13 | 11 | 11 |
Feels °C | 11 | 11 | 10 | 10 | 6 | 7 | 3 | 3 | 4 | 5 | 5 | 6 | 7 | 7 | 6 | 7 | 7 | 7 | 8 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | — | — | SSW 12 | SSW 11 | SW 11 | SSW 11 | SSW 11 | S 18 | SSW 14 | SSW 14 | S 10 |
| kJ | 4499 | 4630 | 4144 | 3759 | 3459 | 3020 | 2358 | 2414 | — | — | 2502 | 1921 | 1511 | 1326 | 1192 | 7 | 207 | 649 | 697 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 18 | — | SSW 14 | WSW 11 | SSW 14 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | — | 326 | 207 | 955 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 11 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 130 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | S 6 | SSW 12 | SSW 12 | SSW 12 | — | — | — | — | — | SSW 11 | SSW 10 | S 10 | — |
| kJ | — | — | — | — | — | — | 193 | 3344 | 3301 | 2929 | — | — | — | — | — | 1268 | 1221 | 832 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 17 | 4 | 4 | 4 | 126 | 324 | 342 | 666 | 1408 | 1457 | 1224 | 3 | 3 | 3 | 162 | 125 | 59 | 3 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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