Surf Forecasts:
How big are the waves at Derde Steen today (08 Sep):
- Morning surf: Morning surf (08 Sep, local time) - 5ft (1.5m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (08 Sep, local time) - 3.5ft (1.0m), 11s period with SSW swell.
- Evening surf: Evening surf (08 Sep, local time) - 2ft (0.6m), 11s period with WSW swell.
The current surf forecast for Derde Steen at 4AM is: 1.6m 12s primary swell from a Southwest direction and 0.1m 18s secondary swell from a Southwest direction (forecast issued at 01:00am September 08). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Sep) | 5ft (1.5m) | 12s |
| Afternoon (08 Sep) | 3.5ft (1.0m) | 11s |
| Evening (08 Sep) | 2ft (0.6m) | 11s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Tue morning, min 14°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 8 | Wednesday 9 | Thursday 10 | ||||||||||||||||||||||
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) | WSW 13 | SW 12 | SW 12 | WSW 12 | SSW 11 | WSW 12 | WSW 11 | SW 11 | SW 11 | WSW 14 | WSW 14 | SW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | SW 16 | SW 15 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 454 | 683 | 614 | 294 | 226 | 140 | 98 | 172 | 172 | 175 | 318 | 342 | 269 | 295 | 330 | 513 | 680 | 834 | 1251 | 2346 | 2151 | 1672 | 1528 | 1405 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | glassy | on | cross-on | cross-off | cross-off | cross-off | cross-on | cross-off | cross-on | cross-on | cross | cross | cross-off | cross | cross-off | cross-off | cross | cross-on | cross | cross | cross |
High Tide | 1:05AM1.32m | 1:34PM1.43m | 1:53AM1.44m | 2:15PM1.57m | 2:33AM1.51m | 2:51PM1.66m | ||||||||||||||||||
Low Tide | 7:23AM0.22m | 7:50PM0.20m | 8:04AM0.12m | 8:31PM0.08m | 8:41AM0.05m | 9:08PM0.01m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | |  | | | |  | | |
 | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:34 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 20 | 19 | 25 | 24 | 22 | 21 | 21 | 19 | 18 | 17 | 21 | 22 | 20 | 17 | 15 | 15 | 14 | 14 | 18 | 20 | 17 | 15 | 15 |
Feels °C | 20 | 20 | 19 | 25 | 21 | 20 | 20 | 20 | 18 | 18 | 17 | 20 | 20 | 17 | 16 | 14 | 15 | 14 | 14 | 17 | 18 | 13 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | SW 12 | SW 12 | WSW 12 | SSW 11 | WSW 12 | WSW 11 | SW 11 | SW 11 | SW 11 | WSW 14 | SW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | SW 12 | SW 15 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 |
| kJ | 454 | 683 | 614 | 294 | 226 | 140 | 98 | 172 | 172 | 119 | 318 | 342 | 269 | 295 | 330 | 513 | 680 | 694 | 1251 | 2346 | 2151 | 1672 | 1528 | 1405 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | SW 18 | WSW 17 | SSW 11 | WSW 12 | SW 11 | S 10 | WSW 15 | WSW 14 | WSW 14 | W 11 | SSE 9 | W 11 | W 11 | S 8 | SW 20 | SW 17 | SW 16 | SW 12 | — | — | — | — | — |
| kJ | 303 | 12 | 28 | 156 | 145 | 117 | 70 | 146 | 140 | 175 | 21 | 15 | 21 | 9 | 4 | 15 | 290 | 834 | 683 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SW 18 | SW 18 | — | WSW 16 | SW 16 | S 10 | SW 11 | S 10 | S 9 | S 9 | S 9 | W 11 | S 8 | — | S 8 | — | S 8 | — | — | — | — | — | — | — |
| kJ | 13 | 12 | — | 26 | 65 | 49 | 75 | 30 | 27 | 14 | 13 | 21 | 4 | — | 1 | — | 1 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SSW 3 | S 3 | SSE 3 | S 3 | S 3 | S 4 | S 4 | S 4 | S 4 | S 4 | S 4 | S 4 | — | — | — | S 4 | S 4 | S 4 | S 4 |
| kJ | — | — | — | — | — | 1 | 2 | 2 | 3 | 6 | 6 | 4 | 13 | 18 | 10 | 9 | 6 | — | — | — | 9 | 13 | 19 | 28 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 3 | 0 | 0 | 0 | 0 | 6 | 17 | 3 | 0 | 0 | 0 | 3 | 0 | 3 | 3 | 42 | 1 | 1 | 1 | 0 | 1 | 3 | 42 | 73 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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