Surf Forecasts:
How big are the waves at Derde Steen today (22 Sep):
- Afternoon surf: Afternoon surf (22 Sep, local time) - 3.5ft (1.1m), 12s period with SW swell.
- Evening surf: Evening surf (22 Sep, local time) - 4.5ft (1.3m), 12s period with SW swell.
The current surf forecast for Derde Steen at 11PM is: 1.2m 11s primary swell from a Southwest direction and 0.1m 14s secondary swell from a South direction (forecast issued at 07:00pm September 22). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Sep) | - | - |
| Afternoon (22 Sep) | 3.5ft (1.1m) | 12s |
| Evening (22 Sep) | 4.5ft (1.3m) | 12s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Tue night. Warm (max 28°C on Fri afternoon, min 14°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Tue 22 | Wednesday 23 | Thursday 24 | |||||||||||||||||
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 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SSW 16 | SSW 16 | SSW 15 | SW 14 | SW 14 | SW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 319 | 440 | 350 | 332 | 332 | 293 | 254 | 216 | 187 | 184 | 148 | 100 | 100 | 175 | 519 | 840 | 1170 | 1058 | 996 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-on | cross | cross | glassy | glassy | cross-on | cross-on | cross-off | off | glassy | glassy | glassy | glassy | on | cross-on | cross-on | off |
High Tide | 1:11AM1.22m | 1:32PM1.35m | 1:43AM1.33m | 2:00PM1.47m | |||||||||||||||
Low Tide | 7:17PM0.43m | 7:23AM0.33m | 7:46PM0.30m | 7:51AM0.23m | 8:15PM0.18m | ||||||||||||||
 |  | | |  |  |  | |  |  | | | |  | | | |  | | |
 | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — |
 | 6:42 | — | — | — | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:43 | — | — |
mm | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 20 | 19 | 14 | 14 | 14 | 16 | 18 | 18 | 18 | 18 | 19 | 18 | 17 | 21 | 21 | 21 | 21 | 21 |
Feels °C | 21 | 21 | 20 | 13 | 14 | 14 | 17 | 17 | 17 | 19 | 19 | 21 | 20 | 18 | 22 | 21 | 21 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | S 7 | S 7 | S 7 | SSW 16 | SSW 15 | SW 14 | SW 14 | SW 13 |
| kJ | 319 | 440 | 350 | 332 | 332 | 293 | 254 | 216 | 187 | 184 | 148 | 73 | 61 | 60 | 519 | 840 | 1170 | 1058 | 996 |
Swell 2 Height (m) Direction Period (s) | WSW 11 | S 15 | S 14 | S 13 | S 13 | S 12 | S 12 | S 12 | S 11 | S 11 | S 6 | SW 10 | SW 10 | SW 10 | S 7 | SW 12 | S 6 | S 6 | S 6 |
| kJ | 91 | 4 | 4 | 4 | 3 | 3 | 12 | 3 | 3 | 2 | 29 | 100 | 100 | 100 | 44 | 142 | 30 | 29 | 28 |
Swell 3 Height (m) Direction Period (s) | NW 3 | — | — | — | — | — | SW 15 | NW 4 | NW 4 | NW 4 | SW 14 | SW 18 | SW 17 | SSW 16 | SW 10 | S 7 | — | — | — |
| kJ | 2 | — | — | — | — | — | 9 | 1 | 1 | 1 | 7 | 12 | 75 | 175 | 80 | 43 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SSW 3 | S 4 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 3 | 6 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 32 | 6 | 6 | 0 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 3 | 1 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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