Surf Forecasts:
How big are the waves at Derde Steen today (17 Jun):
- Morning surf: Morning surf (17 Jun, local time) - 5ft (1.6m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (17 Jun, local time) - 5.5ft (1.7m), 13s period with SW swell.
- Evening surf: Evening surf (17 Jun, local time) - 6ft (1.9m), 14s period with SW swell.
The current surf forecast for Derde Steen at 1PM is: 1.6m 13s primary swell from a Southwest direction and 0.9m 6s secondary swell from a South direction, 1.2m 6s secondary swell from a South-southeast direction (forecast issued at 07:00am June 17). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Jun) | 5ft (1.6m) | 13s |
| Afternoon (17 Jun) | 5.5ft (1.7m) | 13s |
| Evening (17 Jun) | 6ft (1.9m) | 14s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 21°C on Fri afternoon, min 13°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
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) | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 16 | SW 13 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | WSW 12 | SW 12 | SSW 12 | SW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 544 | 892 | 792 | 903 | 1083 | 1184 | 1633 | 1456 | 1223 | 2534 | 2247 | 2053 | 1618 | 1460 | 1228 | 1756 | 1018 | 811 | 798 | 335 | 286 | 325 | 680 | 689 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:12PM1.53m | 5:29AM1.44m | 6:01PM1.50m | 6:20AM1.34m | 6:53PM1.44m | |||||||||||||||||||
Low Tide | 10:55AM0.05m | 11:24PM0.17m | 11:42AM0.12m | 00:18AM0.23m | 12:30PM0.22m | 1:14AM0.31m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | | | | | | | | | | |
 | 7:48 | — | — | — | — | — | — | — | 7:48 | — | — | — | — | — | — | — | 7:50 | — | — | — | — | — | — | 7:50 |
 | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:44 | — | — | 5:44 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 16 | 19 | 18 | 16 | 15 | 13 | 13 | 13 | 15 | 18 | 17 | 16 | 15 | 15 | 14 | 14 | 16 | 20 | 21 | 19 | 18 | 18 |
Feels °C | 11 | 11 | 13 | 17 | 16 | 14 | 14 | 11 | 11 | 9 | 13 | 14 | 13 | 12 | 12 | 12 | 11 | 11 | 13 | 17 | 19 | 16 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 12 | SW 13 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | S 7 | S 8 | SW 12 | SSW 12 | SW 12 |
| kJ | 544 | 892 | 792 | 903 | 1083 | 1184 | 1633 | 874 | 1223 | 2534 | 2247 | 2053 | 1618 | 1460 | 1228 | 1756 | 1018 | 811 | 798 | 130 | 110 | 325 | 680 | 689 |
Swell 2 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 6 | SW 20 | SW 18 | SW 18 | SW 16 | SW 16 | — | — | — | — | — | — | SW 20 | S 7 | S 7 | S 7 | SW 12 | WSW 12 | WSW 12 | WSW 12 | SW 18 |
| kJ | 142 | 113 | 89 | 52 | 97 | 510 | 379 | 1456 | 1004 | — | — | — | — | — | — | 15 | 205 | 177 | 150 | 335 | 269 | 274 | 113 | 49 |
Swell 3 Height (m) Direction Period (s) | SW 14 | — | WSW 12 | — | SW 11 | — | — | — | — | — | — | — | — | — | — | — | SW 18 | SW 17 | SW 16 | WSW 12 | SW 12 | S 7 | SW 18 | SW 18 |
| kJ | 211 | — | 96 | — | 19 | — | — | — | — | — | — | — | — | — | — | — | 50 | 104 | 129 | 269 | 286 | 70 | 50 | 49 |
Wind waves Height (m) Direction Period (s) | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | S 6 | S 6 | S 5 | S 5 | SSE 6 | S 6 | SSE 6 | SSE 7 | SSE 7 | — | — | — | — | — | — |
| kJ | 181 | 160 | 127 | 91 | 108 | 202 | 150 | 126 | 113 | 149 | 91 | 99 | 131 | 122 | 149 | 201 | 254 | 232 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 2 | 1 | 1 | 1 | 1 | 1 | 59 | 3 | 59 | 59 | 3 | 3 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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