Surf Forecasts:
How big are the waves at Derde Steen today (17 Oct):
- Morning surf: Morning surf (17 Oct, local time) - 7ft (2.1m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (17 Oct, local time) - 8ft (2.5m), 13s period with SW swell.
- Evening surf: Evening surf (17 Oct, local time) - 8ft (2.5m), 12s period with SW swell.
The current surf forecast for Derde Steen at 7PM is: 3.0m 12s primary swell from a Southwest direction and 0.2m 10s secondary swell from a West direction (forecast issued at 01:00pm October 17). The wind direction is predicted to be cross-shore and the swell rating is 11.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | 7ft (2.1m) | 12s |
| Afternoon (17 Oct) | 8ft (2.5m) | 13s |
| Evening (17 Oct) | 8ft (2.5m) | 12s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 15°C on Mon morning, min 11°C on Mon night). Wind will be generally light. | |||||||||||||||||||||
Sat 17 | Sunday 18 | Monday 19 | |||||||||||||||||||
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 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1892 | 2088 | 2130 | 2160 | 1870 | 1775 | 2702 | 1915 | 2369 | 2319 | 2319 | 2049 | 1954 | 1687 | 1565 | 1336 | 1313 | 1130 | 1040 | 914 | 756 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross-on | cross-on | glassy | off | on | on | on | cross-on | glassy |
High Tide | 6:55PM1.01m | 8:05AM0.98m | 8:35PM0.94m | 10:06AM1.00m | 10:37PM0.97m | ||||||||||||||||
Low Tide | 12:41PM0.61m | 1:18AM0.59m | 2:16PM0.70m | 3:12AM0.64m | 4:44PM0.67m | ||||||||||||||||
 | | |  | | | | | | |  |  | | | |  | | | | | | |
 | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — |
 | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 15 | 15 | 15 | 14 | 14 |
Feels °C | 13 | 10 | 9 | 8 | 9 | 9 | 10 | 9 | 10 | 8 | 8 | 9 | 10 | 10 | 11 | 10 | 12 | 11 | 11 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 |
| kJ | 1892 | 2088 | 2130 | 2160 | 1870 | 1775 | 2702 | 1915 | 2369 | 2319 | 2319 | 2049 | 1954 | 1687 | 1565 | 1336 | 1313 | 1130 | 1040 | 914 | 756 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | — | WSW 15 | WSW 14 | — | SSW 12 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 194 | 125 | 8 | — | 493 | 763 | — | 117 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | SSE 5 | S 6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 78 | 144 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1 | 42 | 73 | 17 | 17 | 17 | 17 | 17 | 53 | 42 | 42 | 3 | 3 | 3 | 0 | 0 | 32 | 32 | 32 | 32 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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