Surf Forecasts:
How big are the waves at Derde Steen today (23 Jul):
- Morning surf: Morning surf (23 Jul, local time) - 5.5ft (1.7m), 12s period with WSW swell.
- Afternoon surf: Afternoon surf (23 Jul, local time) - 7ft (2.1m), 11s period with SW swell.
- Evening surf: Evening surf (23 Jul, local time) - 7ft (2.1m), 18s period with SW swell.
The current surf forecast for Derde Steen at 5PM is: 2.1m 11s primary swell from a Southwest direction and 0.8m 20s secondary swell from a Southwest direction (forecast issued at 01:00pm July 23). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Jul) | 5.5ft (1.7m) | 12s |
| Afternoon (23 Jul) | 7ft (2.1m) | 11s |
| Evening (23 Jul) | 7ft (2.1m) | 18s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Thu afternoon. Warm (max 20°C on Sun morning, min 12°C on Thu night). Wind will be generally light. | |||||||||||||||||||||
Thu 23 | Friday 24 | Saturday 25 | |||||||||||||||||||
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 11 | SW 11 | SW 11 | SW 18 | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 759 | 901 | 1107 | 2840 | 8596 | 8075 | 6967 | 5305 | 4362 | 3936 | 3536 | 3031 | 2580 | 2158 | 2126 | 2063 | 1429 | 1337 | 1789 | 1760 | 1760 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross | cross-off | cross-off |
High Tide | 10:48AM0.98m | 11:05PM1.08m | 12:11PM1.02m | 00:19AM1.11m | 1:10PM1.09m | ||||||||||||||||
Low Tide | 4:48PM0.64m | 5:57AM0.53m | 6:16PM0.61m | 6:58AM0.46m | 7:16PM0.54m | ||||||||||||||||
 |  | |  | |  | |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — |
 | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — |
mm | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 15 | 19 | 19 | 17 | 16 |
Feels °C | 7 | 10 | 13 | 11 | 11 | 11 | 10 | 10 | 12 | 12 | 12 | 10 | 10 | 10 | 10 | 10 | 12 | 17 | 16 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 11 | SW 11 | SW 12 | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 759 | 901 | 1107 | 1848 | 8596 | 8075 | 6967 | 5305 | 4362 | 3936 | 3536 | 3031 | 2580 | 2158 | 2126 | 2063 | 1429 | 1337 | 1789 | 1760 | 1760 |
Swell 2 Height (m) Direction Period (s) | WSW 12 | NW 6 | SW 20 | SW 18 | — | — | — | — | — | — | — | — | — | — | — | SSW 13 | SSW 13 | WSW 13 | — | — | — |
| kJ | 233 | 86 | 537 | 2840 | — | — | — | — | — | — | — | — | — | — | — | 823 | 499 | 326 | — | — | — |
Swell 3 Height (m) Direction Period (s) | SW 23 | WSW 12 | NW 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 21 | 178 | 34 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 5 | — | — | — | — | — | — | — | — | — | — | — | — | S 3 | SSE 4 | — | — | — | — | — | — |
| kJ | 98 | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 11 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 63 | 7 | 0 | 0 | 4 | 4 | 4 | 4 | 4 | 42 | 14 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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