Surf Forecasts:
How big are the waves at Dunes today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 10ft (3.0m), 13s period with WSW swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 8ft (2.5m), 13s period with WSW swell.
- Evening surf: Evening surf (17 Aug, local time) - 8ft (2.5m), 13s period with WSW swell.
The current surf forecast for Dunes at 11AM is: 3.0m 13s primary swell from a West-southwest direction and 0.5m 3s secondary swell from a North direction (forecast issued at 07:00am August 17). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 10ft (3.0m) | 13s |
| Afternoon (17 Aug) | 8ft (2.5m) | 13s |
| Evening (17 Aug) | 8ft (2.5m) | 13s |
Table - waves today at Dunes. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Mon afternoon. Very mild (max 15°C on Mon morning, min 12°C on Tue night). Wind will be generally light. | |||||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||||||
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) | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 3198 | 2897 | 2709 | 2528 | 2354 | 2449 | 2116 | 1816 | 1974 | 2001 | 1159 | 2063 | 2815 | 2801 | 2924 | 2744 | 2454 | 2196 | 1978 | 1978 | 1771 | 1665 | 1693 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-on | cross-on | cross-on | glassy | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | glassy | glassy |
High Tide | 6:12PM1.43m | 6:31AM1.21m | 6:47PM1.29m | 7:10AM1.09m | 7:28PM1.15m | ||||||||||||||||||
Low Tide | 11:56AM0.25m | 00:31AM0.30m | 12:29PM0.38m | 1:08AM0.42m | 1:05PM0.51m | ||||||||||||||||||
 |  | | |  | |  | | |  | | | | | | | | | | | | | | |
 | 7:24 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — |
 | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:19 | — | — |
mm | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 15 | 15 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 13 | 14 | 14 | 15 | 14 |
Feels °C | 11 | 11 | 12 | 13 | 13 | 15 | 15 | 13 | 13 | 12 | 11 | 10 | 10 | 8 | 9 | 8 | 9 | 9 | 10 | 12 | 12 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 3198 | 2897 | 2709 | 2528 | 2354 | 2449 | 2116 | 1816 | 1974 | 2001 | 1159 | 2063 | 2815 | 2801 | 2924 | 2744 | 2454 | 2196 | 1978 | 1978 | 1771 | 1665 | 1693 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | WSW 16 | E 10 | E 10 | SW 14 | WSW 13 | E 11 | SW 13 | WSW 12 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 211 | 8 | 8 | 304 | 69 | 2 | 903 | 519 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SW 16 | — | — | E 11 | — | — | E 11 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 65 | — | — | 9 | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 4 | N 3 | N 3 | — | — | — | — | — | — | — | — | — | — | — | SE 4 | ESE 4 | ESE 4 | — | — | — | — | — | — |
| kJ | 8 | 3 | 5 | — | — | — | — | — | — | — | — | — | — | — | 10 | 13 | 10 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 8 | 8 | 12 | 25 | 29 | 8 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 2 | 45 | 23 | 13 | 4 | 0 | 1 | 1 | 2 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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