Surf Forecasts:
How big are the waves at Derde Steen today (17 Jul):
- Morning surf: Morning surf (17 Jul, local time) - 6ft (1.9m), 11s period with SW swell.
- Afternoon surf: Afternoon surf (17 Jul, local time) - 6ft (1.8m), 11s period with SW swell.
- Evening surf: Evening surf (17 Jul, local time) - 5ft (1.6m), 10s period with SW swell.
The current surf forecast for Derde Steen at 1AM is: 2.0m 12s primary swell from a Southwest direction (forecast issued at 07:00pm July 16). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Jul) | 6ft (1.9m) | 11s |
| Afternoon (17 Jul) | 6ft (1.8m) | 11s |
| Evening (17 Jul) | 5ft (1.6m) | 10s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Fri afternoon, min 14°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Thu 16 | Friday 17 | Saturday 18 | |||||||||||||||||
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 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SSW 10 | SW 9 | SW 9 | SW 9 | SW 13 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 1671 | 1261 | 1112 | 1169 | 1130 | 866 | 773 | 716 | 623 | 509 | 416 | 377 | 200 | 314 | 350 | 294 | 352 | 730 | 603 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | glassy | cross-off | glassy | cross-off | glassy | glassy | cross-on | cross | glassy | glassy | glassy | glassy | glassy | cross-on | on | glassy | cross |
High Tide | 4:55PM1.63m | 5:12AM1.48m | 5:37PM1.59m | 5:55AM1.39m | 6:19PM1.52m | ||||||||||||||
Low Tide | 11:11PM0.09m | 11:20AM0.07m | 11:55PM0.15m | 12:00PM0.16m | |||||||||||||||
 |  | |  |  |  | |  | | | | | | | | | | | | |
 | — | — | — | — | 7:48 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — |
 | 5:55 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 14 | 14 | 14 | 15 | 15 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 17 | 16 | 15 | 15 |
Feels °C | 14 | 13 | 14 | 14 | 14 | 15 | 15 | 17 | 16 | 16 | 15 | 16 | 16 | 15 | 17 | 17 | 16 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SSW 10 | SW 9 | SW 9 | SW 9 | SW 9 | SW 12 | SW 12 |
| kJ | 1671 | 1261 | 1112 | 1169 | 1130 | 866 | 773 | 716 | 623 | 509 | 416 | 377 | 200 | 314 | 350 | 294 | 202 | 730 | 603 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | S 13 | S 13 | S 13 | WSW 10 | S 12 | SW 14 | SW 13 | SW 13 | S 10 | S 10 |
| kJ | — | — | — | — | — | — | — | — | — | 14 | 31 | 52 | 132 | 69 | 189 | 253 | 352 | 168 | 192 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SW 17 | SW 16 | SW 16 | S 12 | SW 15 | S 12 | S 11 | S 11 | WSW 12 | WSW 11 |
| kJ | — | — | — | — | — | — | — | — | — | 11 | 11 | 10 | 46 | 76 | 127 | 116 | 143 | 179 | 202 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 18 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 17 | 32 | 0 | 2 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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