Surf Forecasts:
How big are the waves at Derde Steen today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 4.5ft (1.3m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 3.5ft (1.1m), 12s period with SW swell.
- Evening surf: Evening surf (31 Jul, local time) - 3.5ft (1.1m), 11s period with SW swell.
The current surf forecast for Derde Steen at 9AM is: 1.3m 12s primary swell from a Southwest direction and 0.1m 19s secondary swell from a West direction (forecast issued at 01:00am July 31). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 4.5ft (1.3m) | 12s |
| Afternoon (31 Jul) | 3.5ft (1.1m) | 12s |
| Evening (31 Jul) | 3.5ft (1.1m) | 11s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 24°C on Sat afternoon, min 15°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | ||||||||||||||||||||||
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) | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | WSW 16 | WSW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 545 | 473 | 488 | 416 | 367 | 355 | 288 | 283 | 250 | 217 | 597 | 581 | 525 | 494 | 486 | 479 | 486 | 494 | 486 | 486 | 519 | 442 | 421 | 421 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | glassy | glassy | off | off | off | cross-off | off | off | glassy | cross-on | glassy | off | off | off | cross-off | cross-off | cross-on | glassy | glassy | glassy |
High Tide | 4:09AM1.43m | 4:33PM1.52m | 4:41AM1.42m | 5:03PM1.53m | 5:13AM1.39m | 5:34PM1.52m | ||||||||||||||||||
Low Tide | 10:18AM0.12m | 10:42PM0.20m | 10:47AM0.13m | 11:13PM0.20m | 11:16AM0.16m | |||||||||||||||||||
 | |  |  |  | | | |  | | | | | | | | | | | | | | | | |
 | — | 7:39 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:07 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 17 | 18 | 21 | 21 | 20 | 19 | 18 | 18 | 18 | 20 | 24 | 23 | 21 | 20 | 19 | 18 | 18 | 19 | 21 | 17 | 16 | 16 |
Feels °C | 14 | 14 | 13 | 15 | 19 | 19 | 17 | 16 | 14 | 14 | 13 | 16 | 21 | 20 | 18 | 17 | 15 | 14 | 14 | 16 | 18 | 16 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 |
| kJ | 545 | 473 | 488 | 416 | 367 | 355 | 288 | 283 | 250 | 217 | 597 | 581 | 525 | 494 | 486 | 479 | 486 | 494 | 486 | 486 | 519 | 442 | 421 | 421 |
Swell 2 Height (m) Direction Period (s) | SSE 6 | SSE 6 | W 19 | W 19 | WSW 18 | WSW 18 | SW 16 | WSW 16 | WSW 16 | WSW 15 | SSE 9 | SE 10 | SE 10 | SE 10 | SW 16 | SE 11 | SE 11 | S 9 | — | S 9 | S 9 | SW 16 | SW 15 | SW 15 |
| kJ | 12 | 7 | 7 | 7 | 31 | 60 | 69 | 102 | 215 | 188 | 17 | 4 | 4 | 4 | 10 | 5 | 5 | 15 | — | 6 | 6 | 118 | 220 | 171 |
Swell 3 Height (m) Direction Period (s) | — | W 19 | W 19 | SW 18 | WSW 18 | — | SW 16 | SE 5 | SE 5 | SSE 5 | — | — | — | — | SE 11 | — | — | — | SE 11 | — | SE 12 | S 9 | SSE 9 | S 8 |
| kJ | — | 7 | 7 | 13 | 30 | — | 68 | 7 | 7 | 5 | — | — | — | — | 4 | — | — | — | 4 | — | 6 | 6 | 8 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SE 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 3 | — | — | — |
| kJ | — | — | — | — | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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