Surf Forecasts:
How big are the waves at Dunes today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 8ft (2.4m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 10ft (3.0m), 14s period with SW swell.
- Evening surf: Evening surf (21 Jul, local time) - 8ft (2.5m), 13s period with SW swell.
The current surf forecast for Dunes at 1PM is: 2.5m 14s primary swell from a Southwest direction and 0.4m 11s secondary swell from a Southeast direction (forecast issued at 07:00am July 21). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 8ft (2.4m) | 14s |
| Afternoon (21 Jul) | 10ft (3.0m) | 14s |
| Evening (21 Jul) | 8ft (2.5m) | 13s |
Table - waves today at Dunes. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Thu morning. Very mild (max 14°C on Tue afternoon, min 12°C on Wed night). Mainly fresh winds. | |||||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
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) | SSW 15 | SSW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | SW 11 | SW 11 | WSW 11 | SW 13 | SW 18 | SW 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 665 | 2025 | 2725 | 2886 | 2802 | 2561 | 2114 | 1908 | 1643 | 1500 | 1404 | 1381 | 1298 | 1293 | 893 | 920 | 1010 | 1226 | 1197 | 1326 | 2254 | 10917 | 11408 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | glassy | cross-on | cross-off | cross-off | cross-off | cross | glassy | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | off | off |
High Tide | 8:13AM1.07m | 8:36PM1.19m | 9:20AM1.00m | 9:43PM1.11m | 10:47AM0.97m | ||||||||||||||||||
Low Tide | 2:08PM0.51m | 3:14AM0.51m | 3:12PM0.60m | 4:33AM0.55m | 4:46PM0.64m | ||||||||||||||||||
 |  | |  | |  | | | | | | | | | |  | |  |  | |  | | | |
 | 7:47 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — |
 | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:59 | — | — | — | — | — | — | — | 6:00 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 1 | — | — |
Temp °C | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 13 | 13 | 13 | 13 |
Feels °C | 12 | 12 | 12 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 8 | 8 | 6 | 5 | 6 | 9 | 13 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | SW 11 | SW 11 | WSW 11 | SW 13 | SW 18 | SW 16 |
| kJ | 665 | 2025 | 2725 | 2886 | 2802 | 2561 | 2114 | 1908 | 1643 | 1500 | 1404 | 1381 | 1298 | 1293 | 893 | 920 | 1010 | 1226 | 1197 | 1326 | 2254 | 10917 | 11408 |
Swell 2 Height (m) Direction Period (s) | SSW 7 | W 9 | W 9 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 12 | S 12 | SSW 12 | ESE 13 | NW 6 | WSW 12 | SW 19 | ESE 12 | ESE 12 |
| kJ | 90 | 40 | 40 | 44 | 32 | 31 | 30 | 30 | 30 | 18 | 72 | 165 | 204 | 145 | 392 | 294 | 311 | 17 | 114 | 178 | 2117 | 58 | 57 |
Swell 3 Height (m) Direction Period (s) | SSW 11 | SE 11 | SE 11 | W 9 | W 9 | — | — | — | — | — | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 14 | ESE 13 | ESE 13 | SE 8 | WSW 12 | SW 21 | NNW 5 | — | — |
| kJ | 143 | 61 | 43 | 14 | 14 | — | — | — | — | — | 12 | 12 | 12 | 12 | 18 | 17 | 17 | 3 | 57 | 218 | 22 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | WNW 3 | NW 4 | NW 3 | NNW 4 | NNW 4 | NNW 5 | NW 6 | NW 6 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 3 | 10 | 5 | 17 | 35 | 80 | 178 | 66 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 4 | 4 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 4 | 8 | 8 | 9 | 8 | 29 | 29 | 29 | 29 | 29 | 29 | 0 | 1 | 1 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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