Surf Forecasts:
How big are the waves at Derde Steen today (15 Aug):
- Afternoon surf: Afternoon surf (15 Aug, local time) - 6ft (1.8m), 13s period with WSW swell.
- Evening surf: Evening surf (15 Aug, local time) - 6.5ft (2.0m), 14s period with WSW swell.
The current surf forecast for Derde Steen at 11PM is: 2.0m 14s primary swell from a West-southwest direction (forecast issued at 07:00pm August 15). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | - | - |
| Afternoon (15 Aug) | 6ft (1.8m) | 13s |
| Evening (15 Aug) | 6.5ft (2.0m) | 14s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Mon morning, min 13°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Sat 15 | Sunday 16 | Monday 17 | |||||||||||||||||
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) | WSW 13 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 1144 | 1576 | 1553 | 1444 | 1401 | 1230 | 1384 | 1690 | 2082 | 2487 | 3313 | 3331 | 3066 | 2767 | 2528 | 2354 | 2026 | 2026 | 1901 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | glassy | cross | cross | cross-off | cross-off | cross-on | cross-on | cross | glassy | cross-off | cross-off | cross-off | cross | cross-on | on | glassy | glassy |
High Tide | 5:05PM1.64m | 5:22AM1.43m | 5:39PM1.55m | 5:57AM1.33m | 6:13PM1.43m | ||||||||||||||
Low Tide | 11:22PM0.09m | 11:24AM0.14m | 11:57PM0.19m | 11:57AM0.25m | |||||||||||||||
 |  |  | | | | |  | |  | | | | | | | | | | |
 | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — |
 | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 14 | 14 | 13 | 13 | 15 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 17 | 17 | 16 | 15 | 15 |
Feels °C | 14 | 13 | 14 | 13 | 12 | 11 | 12 | 13 | 13 | 14 | 14 | 14 | 13 | 12 | 16 | 15 | 15 | 15 | 16 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 |
| kJ | 1144 | 1576 | 1553 | 1444 | 1401 | 1230 | 1384 | 1690 | 2082 | 2487 | 3313 | 3331 | 3066 | 2767 | 2528 | 2354 | 2026 | 2026 | 1901 |
Swell 2 Height (m) Direction Period (s) | WSW 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 16 | — | — |
| kJ | 83 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 193 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 3 | 3 | 0 | 6 | 17 | 0 | 0 | 32 | 32 | 7 | 1 | 1 | 1 | 1 | 7 | 32 | 32 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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