Surf Forecasts:
How big are the waves at Derde Steen today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 6.5ft (2.0m), 12s period with WSW swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 6ft (1.9m), 11s period with SW swell.
- Evening surf: Evening surf (31 Aug, local time) - 5ft (1.6m), 11s period with SW swell.
The current surf forecast for Derde Steen at 3PM is: 1.9m 11s primary swell from a Southwest direction (forecast issued at 07:00am August 31). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 6.5ft (2.0m) | 12s |
| Afternoon (31 Aug) | 6ft (1.9m) | 11s |
| Evening (31 Aug) | 5ft (1.6m) | 11s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Wed afternoon, min 10°C on Mon morning). Wind will be generally light. | |||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | |||||||||||||||||||||
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 | WSW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 11 | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1323 | 976 | 1019 | 927 | 875 | 534 | 573 | 1237 | 1473 | 2082 | 2429 | 2639 | 3208 | 3357 | 3567 | 3466 | 3488 | 3299 | 3169 | 2837 | 2682 | 2386 | 2111 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | glassy | cross-on | on | on | cross-on | cross-off | cross-off | cross-off | glassy | cross-on | on | cross-on | glassy | glassy |
High Tide | 5:03PM1.59m | 5:23AM1.41m | 5:38PM1.52m | 6:02AM1.31m | 6:19PM1.41m | ||||||||||||||||||
Low Tide | 10:48AM0.11m | 11:18PM0.11m | 11:22AM0.18m | 11:55PM0.19m | 11:59AM0.28m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | | | | | | | | | |
 | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — |
 | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 10 | 13 | 14 | 14 | 12 | 11 | 11 | 11 | 11 | 13 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 15 | 16 | 16 | 15 | 13 |
Feels °C | 7 | 8 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 11 | 12 | 10 | 11 | 12 | 12 | 11 | 11 | 13 | 13 | 14 | 15 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 12 | WSW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 11 | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 1323 | 976 | 1019 | 927 | 875 | 534 | 573 | 1237 | 1473 | 2082 | 2429 | 2639 | 3208 | 3357 | 3567 | 3466 | 3488 | 3299 | 3169 | 2837 | 2682 | 2386 | 2111 |
Swell 2 Height (m) Direction Period (s) | — | S 10 | — | — | — | WSW 11 | SW 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 2 | — | — | — | 373 | 331 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SW 14 | WSW 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 89 | 226 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | S 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 69 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 1 | 1 | 42 | 10 | 3 | 1 | 1 | 1 | 1 | 0 | 16 | 32 | 37 | 17 | 1 | 1 | 1 | 1 | 4 | 42 | 17 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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