Surf Forecasts:
How big are the waves at Derde Steen today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 8ft (2.5m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 10ft (3.0m), 13s period with SW swell.
- Evening surf: Evening surf (18 Oct, local time) - 8ft (2.5m), 13s period with SW swell.
The current surf forecast for Derde Steen at 8AM is: 3.0m 13s primary swell from a Southwest direction and 0.6m 12s secondary swell from a South-southwest direction, 1.5m 12s secondary swell from a South direction (forecast issued at 01:00am October 18). The wind direction is predicted to be cross-shore and the swell rating is 11.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 8ft (2.5m) | 13s |
| Afternoon (18 Oct) | 10ft (3.0m) | 13s |
| Evening (18 Oct) | 8ft (2.5m) | 13s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Tue night. Very mild (max 15°C on Sun afternoon, min 11°C on Mon night). Winds increasing (calm on Mon morning, fresh winds from the N by Tue night). | ||||||||||||||||||||||||
Sunday 18 | Monday 19 | Tuesday 20 | ||||||||||||||||||||||
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 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 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1674 | 2576 | 2445 | 2042 | 2445 | 2319 | 2166 | 1848 | 1789 | 1565 | 1336 | 1313 | 1130 | 1034 | 914 | 756 | 743 | 629 | 629 | 629 | 676 | 806 | 1191 | 1807 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | on | on | on | on | glassy | glassy | cross-off | cross-off | cross-on | cross-on | cross | cross | cross |
High Tide | 8:05AM0.98m | 8:35PM0.94m | 10:06AM1.00m | 10:37PM0.97m | 11:23AM1.09m | |||||||||||||||||||
Low Tide | 1:18AM0.59m | 2:16PM0.70m | 3:12AM0.64m | 4:44PM0.67m | 4:59AM0.58m | 5:52PM0.56m | ||||||||||||||||||
 | |  | |  | |  |  | | |  | | | | | | | | | | | | |  | |
 | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:02 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 13 | 13 | 13 | 14 | 15 | 14 | 14 | 13 | 13 | 12 | 13 | 15 | 15 | 14 | 14 | 13 | 12 | 11 | 12 | 15 | 14 | 15 | 14 | 14 |
Feels °C | 10 | 10 | 9 | 9 | 10 | 8 | 8 | 9 | 9 | 10 | 12 | 12 | 10 | 10 | 11 | 12 | 11 | 9 | 10 | 11 | 9 | 10 | 9 | 10 |
Swell 1 Height (m) Direction Period (s) | 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 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 |
| kJ | 1674 | 2576 | 2445 | 2042 | 2445 | 2319 | 2166 | 1848 | 1789 | 1565 | 1336 | 1313 | 1130 | 1034 | 914 | 756 | 743 | 629 | 629 | 629 | 676 | 806 | 1191 | 1807 |
Swell 2 Height (m) Direction Period (s) | WSW 14 | — | SSW 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 763 | — | 117 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | S 12 | S 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 4 | NW 4 | — |
| kJ | — | — | 638 | 76 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 24 | 29 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 17 | 17 | 53 | 61 | 42 | 42 | 42 | 3 | 3 | 0 | 0 | 32 | 32 | 32 | 37 | 0 | 0 | 0 | 0 | 32 | 38 | 126 | 40 | 276 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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