Surf Forecasts:
How big are the waves at Dunes today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 7ft (2.2m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 6.5ft (2.0m), 12s period with SW swell.
- Evening surf: Evening surf (17 Sep, local time) - 6ft (1.8m), 12s period with SW swell.
The current surf forecast for Dunes at 2AM is: 2.2m 13s primary swell from a Southwest direction and 1.1m 12s secondary swell from a West direction, 2.2m 7s secondary swell from a South-southeast direction (forecast issued at 07:00pm September 16). The wind direction is predicted to be offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 7ft (2.2m) | 12s |
| Afternoon (17 Sep) | 6.5ft (2.0m) | 12s |
| Evening (17 Sep) | 6ft (1.8m) | 12s |
Table - waves today at Dunes. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Sat afternoon, min 12°C on Fri morning). Winds decreasing (near gales from the SE on Fri afternoon, moderate winds from the ESE by Sat morning). | |||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | |||||||||||||||||
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) | W 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 999 | 1155 | 1491 | 1569 | 1404 | 1381 | 1272 | 1111 | 1007 | 929 | 897 | 866 | 770 | 770 | 600 | 1021 | 1037 | 946 | 932 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off |
High Tide | 5:59PM1.27m | 6:22AM1.13m | 6:35PM1.13m | 7:07AM1.01m | 7:27PM1.00m | ||||||||||||||
Low Tide | 00:14AM0.41m | 12:19PM0.50m | 00:52AM0.53m | 1:01PM0.63m | |||||||||||||||
 |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — |
 | 6:37 | — | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:38 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 13 | 13 | 13 | 14 | 14 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 14 | 17 | 16 | 14 | 13 |
Feels °C | 6 | 4 | 4 | 3 | 5 | 5 | 5 | 4 | 3 | 5 | 5 | 4 | 4 | 4 | 4 | 7 | 5 | 5 | 6 |
Swell 1 Height (m) Direction Period (s) | W 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 987 | 1155 | 1491 | 1569 | 1404 | 1381 | 1272 | 1111 | 1007 | 929 | 897 | 866 | 770 | 770 | 600 | 1021 | 1037 | 946 | 932 |
Swell 2 Height (m) Direction Period (s) | SW 13 | W 13 | W 13 | W 12 | W 12 | W 12 | — | — | — | — | — | — | — | — | SW 14 | SW 20 | WSW 18 | SW 18 | WSW 18 |
| kJ | 999 | 764 | 475 | 365 | 243 | 180 | — | — | — | — | — | — | — | — | 231 | 15 | 31 | 49 | 31 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SE 7 | SE 7 | SSE 7 | SSE 6 | SSE 7 | SE 7 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | SE 7 | SE 7 |
| kJ | 322 | 444 | 491 | 458 | 424 | 381 | 361 | 329 | 431 | 414 | 361 | 338 | 331 | 331 | 363 | 437 | 556 | 576 | 563 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 200 | 199 | 199 | 201 | 201 | 201 | 201 | 880 | 944 | 105 | 38 | 29 | 24 | 23 | 29 | 33 | 3888 | 38 | 11 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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