Surf Forecasts:
How big are the waves at Dunes today (18 Jun):
- Morning surf: Morning surf (18 Jun, local time) - 8ft (2.5m), 15s period with SW swell.
- Afternoon surf: Afternoon surf (18 Jun, local time) - 7.5ft (2.3m), 14s period with SW swell.
- Evening surf: Evening surf (18 Jun, local time) - 7.5ft (2.3m), 13s period with SW swell.
The current surf forecast for Dunes at 9PM is: 2.3m 13s primary swell from a Southwest direction (forecast issued at 01:00pm June 18). An open ocean swell of 1.4m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jun) | 8ft (2.5m) | 15s |
| Afternoon (18 Jun) | 7.5ft (2.3m) | 14s |
| Evening (18 Jun) | 7.5ft (2.3m) | 13s |
Table - waves today at Dunes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 23°C on Sat morning, min 14°C on Thu night). Winds decreasing (strong winds from the SE on Thu night, calm by Sat afternoon). | ||||||||||||||||||||||||
Thu 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 13 | WSW 12 | SW 15 | SW 12 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | WSW 11 | WSW 11 | SW 15 | SW 14 | SW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2643 | 2458 | 1884 | 1749 | 1514 | 1395 | 956 | 1018 | 554 | 379 | 428 | 623 | 748 | 813 | 695 | 638 | 644 | 583 | 553 | 335 | 329 | 550 | 1382 | 1378 |
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 | off | off | off | off | off | off | off | cross-off | off | cross-off | cross-off | off | glassy | cross-off | cross-off | off | off | cross-off | off |
High Tide | 6:01PM1.49m | 6:19AM1.33m | 6:52PM1.44m | 7:13AM1.23m | 7:46PM1.37m | |||||||||||||||||||
Low Tide | 11:42AM0.13m | 00:18AM0.24m | 12:30PM0.22m | 1:14AM0.31m | 1:20PM0.32m | 2:15AM0.38m | ||||||||||||||||||
 | | |  | | | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:50 | — | — | — | — | — | — | — | 7:50 | — | — | — | — | — | — | — | 7:50 | — |
 | — | — | 5:44 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | 5:44 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 17 | 19 | 20 | 19 | 20 | 20 | 21 | 23 | 23 | 23 | 22 | 21 | 21 | 19 | 20 |
Feels °C | 8 | 10 | 10 | 8 | 8 | 8 | 9 | 9 | 10 | 14 | 17 | 18 | 17 | 17 | 17 | 17 | 20 | 20 | 19 | 18 | 17 | 18 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 13 | WSW 12 | SW 12 | SW 12 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | WSW 11 | WSW 11 | SW 11 | SW 14 | SW 14 |
| kJ | 2643 | 2458 | 1884 | 1749 | 1514 | 1395 | 956 | 1018 | 554 | 379 | 428 | 623 | 748 | 813 | 695 | 638 | 644 | 583 | 553 | 335 | 329 | 377 | 1382 | 1378 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SW 20 | SW 20 | SSW 13 | SW 16 | SSW 13 | WSW 12 | WSW 12 | WSW 12 | SE 7 | SE 7 | SE 7 | SE 6 | SW 16 | SW 16 | SW 15 | S 8 | SW 15 | SW 15 | ESE 7 | S 8 |
| kJ | — | — | — | — | 16 | 15 | 219 | 271 | 286 | 347 | 328 | 269 | 88 | 52 | 43 | 24 | 91 | 90 | 110 | 68 | 309 | 550 | 18 | 33 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | SW 18 | SSW 12 | SSW 16 | SW 15 | SW 15 | SW 18 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | S 9 | S 9 | — | — |
| kJ | — | — | — | — | — | — | 152 | 98 | 326 | 318 | 220 | 51 | 49 | 49 | 47 | 91 | 91 | 90 | 139 | 137 | 78 | 55 | — | — |
Wind waves Height (m) Direction Period (s) | SSE 5 | SE 5 | SE 4 | SE 5 | SSE 5 | SSE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | ESE 6 | ESE 6 | — | — | — | — | — | — | ESE 7 | — | — | — |
| kJ | 61 | 47 | 46 | 87 | 165 | 227 | 232 | 248 | 265 | 196 | 158 | 131 | 187 | 141 | — | — | — | — | — | — | 17 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 38 | 105 | 47 | 38 | 24 | 23 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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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