Surf Forecasts:
How big are the waves at Derde Steen today (25 Jul):
- Morning surf: Morning surf (25 Jul, local time) - 7.5ft (2.3m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (25 Jul, local time) - 7.5ft (2.3m), 12s period with SW swell.
- Evening surf: Evening surf (25 Jul, local time) - 8ft (2.5m), 12s period with SW swell.
The current surf forecast for Derde Steen at 7PM is: 2.5m 12s primary swell from a Southwest direction and 0.2m 16s secondary swell from a South-southwest direction, 0.5m 4s secondary swell from a South direction (forecast issued at 01:00pm July 25). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Jul) | 7.5ft (2.3m) | 13s |
| Afternoon (25 Jul) | 7.5ft (2.3m) | 12s |
| Evening (25 Jul) | 8ft (2.5m) | 12s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Sun morning, min 12°C on Mon night). Winds increasing (light winds from the E on Sun morning, strong winds from the SSE by Mon afternoon). | |||||||||||||||||||||
Sat 25 | Sunday 26 | Monday 27 | |||||||||||||||||||
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 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 12 | SW 16 | SW 18 | SW 17 | SSW 16 | SSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1583 | 1415 | 1789 | 1659 | 1760 | 1632 | 1578 | 1269 | 1172 | 1040 | 977 | 794 | 808 | 734 | 784 | 1848 | 3253 | 1615 | 3715 | 6514 | 6172 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | on | cross | cross-off | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off |
High Tide | 1:10PM1.09m | 1:14AM1.17m | 1:53PM1.18m | 1:56AM1.25m | 2:29PM1.27m | ||||||||||||||||
Low Tide | 7:16PM0.54m | 7:43AM0.38m | 7:59PM0.45m | 8:20AM0.30m | 8:36PM0.38m | ||||||||||||||||
 | | |  | | | | | | | | | | |  |  | | | | | | |
 | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — |
 | — | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:02 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 18 | 17 | 15 | 14 | 15 | 16 | 16 | 19 | 19 | 17 | 14 | 13 | 13 | 14 | 14 | 16 | 16 | 14 | 13 | 12 |
Feels °C | 13 | 16 | 15 | 13 | 12 | 13 | 13 | 13 | 17 | 16 | 14 | 12 | 10 | 11 | 12 | 11 | 10 | 8 | 7 | 8 | 8 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 12 | SW 16 | SW 13 | SW 17 | SSW 16 | SSW 16 |
| kJ | 1583 | 1415 | 1789 | 1659 | 1760 | 1632 | 1578 | 1269 | 1172 | 1040 | 977 | 794 | 808 | 734 | 784 | 1848 | 3253 | 1069 | 3715 | 6514 | 5437 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | WSW 13 | SSW 16 | — | — | — | SSW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 13 | WSW 12 | SW 12 | SW 20 | — | SW 18 | — | — | — |
| kJ | 378 | 326 | 25 | — | — | — | 103 | 203 | 226 | 309 | 220 | 304 | 352 | 412 | 624 | 186 | — | 1615 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | S 11 | S 11 | — | SSW 16 | SSW 17 | SW 16 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 21 | 20 | — | 179 | 195 | 515 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | S 4 | — | — | — | — | — | — | S 3 | S 4 | S 5 | S 5 | — | — | S 4 | S 7 | S 8 | — | SSW 16 |
| kJ | — | — | — | 6 | — | — | — | — | — | — | 5 | 20 | 42 | 59 | — | — | 28 | 474 | 766 | — | 6172 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 1 | 0 | 42 | 10 | 10 | 1 | 219 | 162 | 162 | 931 | 4 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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