Surf Forecasts:
How big are the waves at Dunes today (11 Sep):
- Morning surf: Morning surf (11 Sep, local time) - 6.5ft (2.0m), 12s period with WSW swell.
- Afternoon surf: Afternoon surf (11 Sep, local time) - 5.5ft (1.7m), 12s period with WSW swell.
- Evening surf: Evening surf (11 Sep, local time) - 5ft (1.5m), 12s period with WSW swell.
The current surf forecast for Dunes at 10AM is: 1.9m 12s primary swell from a West-southwest direction and 0.4m 9s secondary swell from a Southwest direction, 2.4m 7s secondary swell from a South-southeast direction (forecast issued at 01:00am September 11). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | 6.5ft (2.0m) | 12s |
| Afternoon (11 Sep) | 5.5ft (1.7m) | 12s |
| Evening (11 Sep) | 5ft (1.5m) | 12s |
Table - waves today at Dunes. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Sun night. Very mild (max 19°C on Sun afternoon, min 14°C on Fri morning). Winds decreasing (strong winds from the SE on Fri afternoon, light winds from the ESE by Sun morning). | ||||||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | ||||||||||||||||||||||
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 | 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 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SE 7 | SE 7 | SW 14 | SW 14 | SW 15 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SE 9 | SE 9 | SW 13 | SW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1383 | 1221 | 1237 | 967 | 816 | 789 | 752 | 752 | 658 | 1064 | 1480 | 2038 | 2421 | 3525 | 3534 | 3185 | 2633 | 2278 | 1983 | 1665 | 1366 | 1263 | 933 | 755 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross-on |
High Tide | 3:10AM1.55m | 3:25PM1.70m | 3:44AM1.55m | 3:58PM1.68m | 4:16AM1.51m | 4:29PM1.62m | ||||||||||||||||||
Low Tide | 9:15AM0.02m | 9:42PM-0.01m | 9:48AM0.03m | 10:15PM0.01m | 10:19AM0.08m | 10:45PM0.08m | ||||||||||||||||||
 | |  | | | |  | | | | | | | | | | | | | | |  |  |  | |
 | — | 6:52 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:36 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 |
Temp °C | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 16 | 18 | 19 | 18 | 18 | 16 |
Feels °C | 9 | 7 | 7 | 7 | 6 | 5 | 6 | 6 | 7 | 8 | 9 | 9 | 10 | 8 | 9 | 9 | 9 | 10 | 13 | 16 | 17 | 15 | 17 | 14 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 11 | SW 14 | SW 14 | SW 15 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SE 9 |
| kJ | 1383 | 1221 | 1237 | 967 | 816 | 789 | 615 | 532 | 512 | 1064 | 1480 | 2038 | 2421 | 3525 | 3534 | 3185 | 2633 | 2278 | 1983 | 1665 | 1262 | 1029 | 933 | 405 |
Swell 2 Height (m) Direction Period (s) | — | SSW 7 | SW 9 | — | — | — | SW 15 | SSW 10 | SW 14 | WSW 12 | SSW 9 | — | SW 18 | — | — | — | — | — | — | — | — | — | SW 13 | SW 13 |
| kJ | — | 102 | 19 | — | — | — | 75 | 56 | 289 | 29 | 58 | — | 735 | — | — | — | — | — | — | — | — | — | 577 | 755 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | SW 15 | SW 15 | SSW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 75 | 104 | 42 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 6 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SSE 7 | SSE 7 | SE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | NNW 3 |
| kJ | 239 | 374 | 370 | 553 | 697 | 721 | 752 | 752 | 658 | 691 | 523 | 578 | 773 | 861 | 1003 | 1303 | 1137 | 800 | 711 | 711 | 1366 | 1263 | 715 | 8 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 200 | 38 | 23 | 23 | 409 | 409 | 349 | 38 | 23 | 23 | 23 | 23 | 23 | 33 | 11 | 11 | 11 | 11 | 0 | 0 | 0 | 0 | 0 | 8 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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