Surf Forecasts:
How big are the waves at Derde Steen today (09 Aug):
- Morning surf: Morning surf (09 Aug, local time) - 10ft (3.0m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (09 Aug, local time) - 11ft (3.5m), 12s period with SSW swell.
- Evening surf: Evening surf (09 Aug, local time) - 11ft (3.5m), 12s period with SSW swell.
The current surf forecast for Derde Steen at 8PM is: 3.5m 12s primary swell from a South-southwest direction (forecast issued at 01:00pm August 09). The wind direction is predicted to be cross-shore and the swell rating is 11.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Aug) | 10ft (3.0m) | 12s |
| Afternoon (09 Aug) | 11ft (3.5m) | 12s |
| Evening (09 Aug) | 11ft (3.5m) | 12s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Tue afternoon, min 10°C on Mon night). Winds decreasing (strong winds from the SSE on Sun afternoon, light winds from the ESE by Tue afternoon). | |||||||||||||||||||||
Sun 9 | Monday 10 | Tuesday 11 | |||||||||||||||||||
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 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 11 | SSW 11 | SSW 11 | SW 11 | SW 11 | S 10 | S 10 | S 10 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | WSW 23 | WSW 22 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2489 | 3560 | 3609 | 3226 | 2546 | 2046 | 1613 | 1421 | 738 | 663 | 740 | 832 | 989 | 2088 | 1699 | 1514 | 1033 | 887 | 671 | 947 | 1302 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | off |
High Tide | 12:48PM1.23m | 1:05AM1.35m | 1:45PM1.37m | 2:00AM1.45m | 2:32PM1.51m | ||||||||||||||||
Low Tide | 6:57PM0.39m | 7:32AM0.21m | 7:55PM0.25m | 8:19AM0.10m | 8:44PM0.13m | ||||||||||||||||
 | | |  | | |  | |  | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — |
 | — | — | 6:12 | — | — | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:13 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 14 | 13 | 12 | 12 | 12 | 12 | 12 | 13 | 14 | 14 | 12 | 10 | 11 | 11 | 11 | 12 | 16 | 17 | 16 | 15 |
Feels °C | 3 | 4 | 4 | 4 | 5 | 7 | 6 | 7 | 6 | 7 | 8 | 7 | 6 | 7 | 8 | 7 | 8 | 13 | 14 | 13 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 12 | — | — | SSW 12 | SSW 12 | SW 11 | SSW 11 | SSW 11 | SW 11 | SW 11 | SW 11 | SSW 14 | S 10 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 |
| kJ | 2489 | — | — | 3226 | 2546 | 2046 | 1613 | 1421 | 738 | 663 | 423 | 631 | 818 | 2088 | 1699 | 1514 | 1033 | 887 | 671 | 521 | 423 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | S 18 | — | SSW 13 | WSW 11 | SSW 14 | WSW 11 | WSW 11 | W 27 | WSW 10 | SW 25 | WSW 24 | WSW 23 | WSW 22 |
| kJ | — | — | — | — | — | — | — | — | 6 | — | 336 | 242 | 892 | 76 | 66 | 14 | 21 | 162 | 381 | 947 | 1302 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | WSW 11 | — | — | W 27 | SW 26 | WSW 10 | WSW 10 | WSW 10 | SW 11 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 103 | — | — | 14 | 27 | 10 | 38 | 38 | 278 |
Wind waves Height (m) Direction Period (s) | S 6 | SSW 12 | SSW 12 | — | — | — | — | — | S 9 | S 9 | S 10 | S 10 | S 10 | — | — | — | — | — | SSE 8 | SSE 8 | — |
| kJ | 261 | 3560 | 3609 | — | — | — | — | — | 481 | 549 | 740 | 832 | 989 | — | — | — | — | — | 136 | 217 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 420 | 1858 | 1407 | 1457 | 1565 | 162 | 3 | 3 | 186 | 125 | 126 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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