Surf Forecasts:
How big are the waves at Dunes today (11 Aug):
- Morning surf: Morning surf (11 Aug, local time) - 6.5ft (2.0m), 12s period with SSW swell.
- Afternoon surf: Afternoon surf (11 Aug, local time) - 5ft (1.5m), 12s period with SSW swell.
- Evening surf: Evening surf (11 Aug, local time) - 3.5ft (1.0m), 23s period with SW swell.
The current surf forecast for Dunes at 1AM is: 3.0m 13s primary swell from a South direction and 0.5m 11s secondary swell from a West-southwest direction, 0.7m 11s secondary swell from a West-southwest direction (forecast issued at 07:00pm August 10). The wind direction is predicted to be offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Aug) | 6.5ft (2.0m) | 12s |
| Afternoon (11 Aug) | 5ft (1.5m) | 12s |
| Evening (11 Aug) | 3.5ft (1.0m) | 23s |
Table - waves today at Dunes. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 24°C on Thu afternoon, min 12°C on Mon night). Winds decreasing (strong winds from the SE on Mon night, light winds from the NNW by Thu afternoon). | |||||||||||||||||||
Mon 10 | Tuesday 11 | Wednesday 12 | |||||||||||||||||
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) | S 10 | SSW 14 | SSW 14 | S 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SW 23 | SW 22 | SW 21 | SW 20 | SW 19 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 1175 | 975 | 2990 | 3337 | 1699 | 1420 | 919 | 669 | 516 | 1055 | 1542 | 2150 | 2207 | 2339 | 2344 | 2267 | 2375 | 2595 | 2311 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross-off | off | cross-off | off | off |
High Tide | 2:00AM1.45m | 2:32PM1.51m | 2:47AM1.53m | 3:14PM1.62m | |||||||||||||||
Low Tide | 7:55PM0.25m | 8:20AM0.10m | 8:44PM0.13m | 9:02AM0.02m | 9:27PM0.05m | ||||||||||||||
 |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — |
 | 6:12 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:14 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 15 | 16 | 14 | 14 | 13 | 13 | 14 | 17 | 18 | 20 | 20 | 21 |
Feels °C | 2 | 3 | 4 | 5 | 5 | 6 | 6 | 9 | 8 | 7 | 9 | 8 | 8 | 9 | 14 | 15 | 18 | 16 | 16 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 10 | SSW 14 | WSW 11 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SW 22 | SW 21 | SW 20 | SW 19 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 |
| kJ | 572 | 754 | 2990 | 66 | 1699 | 1420 | 919 | 669 | 483 | 329 | 1542 | 2150 | 2207 | 2339 | 2344 | 2267 | 2375 | 2595 | 2311 |
Swell 2 Height (m) Direction Period (s) | SW 10 | SSW 14 | WSW 11 | WSW 11 | WSW 11 | W 16 | WSW 10 | SW 25 | SW 24 | SW 23 | SW 11 | SSW 11 | SSW 11 | SW 11 | SW 10 | SW 10 | SW 10 | S 10 | SW 21 |
| kJ | 231 | 975 | 101 | 91 | 66 | 5 | 20 | 161 | 455 | 1055 | 278 | 211 | 204 | 166 | 108 | 85 | 64 | 8 | 880 |
Swell 3 Height (m) Direction Period (s) | WSW 11 | WSW 10 | — | — | — | W 27 | SW 26 | WSW 10 | WSW 10 | WSW 10 | — | — | — | S 10 | — | S 11 | S 10 | — | — |
| kJ | 115 | 229 | — | — | — | 14 | 27 | 20 | 40 | 20 | — | — | — | 32 | — | 20 | 17 | — | — |
Wind waves Height (m) Direction Period (s) | S 10 | SE 6 | ESE 6 | S 13 | SE 7 | SE 7 | SE 8 | SE 8 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 8 | SE 9 | SE 8 | SE 8 |
| kJ | 1175 | 256 | 190 | 3337 | 341 | 363 | 477 | 477 | 516 | 690 | 530 | 468 | 443 | 393 | 328 | 229 | 199 | 282 | 314 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 409 | 29 | 23 | 11 | 11 | 4 | 11 | 4 | 11 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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