Surf Forecasts:
How big are the waves at Derde Steen today (13 Jul):
- Morning surf: Morning surf (13 Jul, local time) - 3ft (0.9m), 10s period with SSW swell.
- Afternoon surf: Afternoon surf (13 Jul, local time) - 3ft (0.9m), 10s period with SSW swell.
- Evening surf: Evening surf (13 Jul, local time) - 2.5ft (0.8m), 9s period with SSW swell.
The current surf forecast for Derde Steen at 2PM is: 0.9m 10s primary swell from a South-southwest direction and 0.5m 9s secondary swell from a West direction (forecast issued at 07:00am July 13). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Jul) | 3ft (0.9m) | 10s |
| Afternoon (13 Jul) | 3ft (0.9m) | 10s |
| Evening (13 Jul) | 2.5ft (0.8m) | 9s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Mon afternoon, min 13°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | Thu 16 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 9 | W 12 | W 12 | W 11 | W 11 | W 10 | SW 16 | W 10 | W 10 | W 9 | W 9 | SW 17 | SW 16 | SW 17 | SW 16 | SW 16 | SW 14 | SW 14 | SW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 214 | 209 | 173 | 169 | 132 | 118 | 177 | 220 | 188 | 184 | 167 | 156 | 156 | 153 | 140 | 132 | 241 | 534 | 1036 | 1694 | 3130 | 3609 | 3805 | 3558 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | off | glassy | on | glassy | glassy | glassy | glassy | cross-off | cross-off | cross | cross-on | cross-on | glassy | glassy | glassy | cross-off | glassy | glassy | cross-on | on | glassy | cross | cross-off |
High Tide | 2:40PM1.47m | 2:54AM1.55m | 3:27PM1.56m | 3:42AM1.56m | 4:12PM1.61m | |||||||||||||||||||
Low Tide | 8:26AM0.08m | 8:48PM0.17m | 9:14AM0.02m | 9:38PM0.10m | 9:58AM-0.00m | 10:25PM0.08m | ||||||||||||||||||
 |  | | |  |  | | | | | | | |  | | | | | | | | | | | |
 | 7:48 | — | — | — | — | — | — | — | 7:48 | — | — | — | — | — | — | — | 7:48 | — | — | — | — | — | — | 7:48 |
 | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:54 | — | — | 5:55 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 15 | 16 | 15 | 15 | 15 | 14 | 13 | 13 | 14 | 15 | 14 | 14 | 14 | 14 | 13 | 14 | 15 | 16 | 16 | 15 | 15 | 15 |
Feels °C | 13 | 12 | 14 | 14 | 13 | 14 | 14 | 13 | 12 | 11 | 13 | 13 | 13 | 13 | 13 | 13 | 11 | 14 | 16 | 15 | 16 | 15 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 9 | W 12 | W 12 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | SW 16 | SW 17 | SW 16 | SW 16 | SW 14 | SW 14 | SW 14 |
| kJ | 214 | 209 | 173 | 169 | 132 | 118 | 177 | 220 | 188 | 184 | 167 | 156 | 156 | 153 | 140 | 132 | 130 | 534 | 1036 | 1694 | 3130 | 3609 | 3805 | 3558 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 9 | W 9 | W 11 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | S 9 | SW 16 | S 9 | S 9 | SW 12 | SW 18 | SW 17 | WSW 9 | W 9 | SW 10 | W 9 | — | — | — |
| kJ | 69 | 68 | 66 | 41 | 40 | 66 | 90 | 90 | 49 | 46 | 25 | 155 | 24 | 24 | 53 | 109 | 241 | 135 | 106 | 184 | 76 | — | — | — |
Swell 3 Height (m) Direction Period (s) | SW 15 | SW 14 | SW 14 | SW 14 | WSW 13 | W 9 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SSE 9 | SW 13 | SW 12 | SW 18 | SW 12 | SW 12 | W 11 | SW 11 | W 9 | — | — | — | — |
| kJ | 33 | 33 | 32 | 31 | 54 | 39 | 45 | 45 | 61 | 61 | 59 | 26 | 56 | 53 | 109 | 52 | 21 | 41 | 116 | 76 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 32 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 17 | 1 | 4 | 1 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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