Surf Forecasts:
How big are the waves at Dunes today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 4.5ft (1.3m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 3.5ft (1.1m), 12s period with SW swell.
- Evening surf: Evening surf (31 Jul, local time) - 3.5ft (1.1m), 11s period with SW swell.
The current surf forecast for Dunes at 7AM is: 1.3m 12s primary swell from a Southwest direction and 0.7m 7s secondary swell from a Southeast direction (forecast issued at 01:00am July 31). An open ocean swell of 1.2m 7s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 4.5ft (1.3m) | 12s |
| Afternoon (31 Jul) | 3.5ft (1.1m) | 12s |
| Evening (31 Jul) | 3.5ft (1.1m) | 11s |
Table - waves today at Dunes. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 22°C on Fri afternoon, min 16°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | ||||||||||||||||||||||
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) | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | WSW 16 | SW 12 | WSW 14 | WSW 14 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | WSW 12 | SW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 600 | 581 | 479 | 471 | 367 | 355 | 331 | 250 | 255 | 264 | 682 | 663 | 590 | 486 | 486 | 486 | 543 | 501 | 535 | 535 | 511 | 428 | 378 | 352 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | cross-off | cross-off | off | glassy | glassy | cross-off | cross-off | glassy | cross-off | cross-off | off | cross-off | off | cross-off | cross | cross-on | cross-on | on | glassy | glassy |
High Tide | 4:09AM1.43m | 4:33PM1.52m | 4:40AM1.42m | 5:03PM1.53m | 5:13AM1.39m | 5:34PM1.52m | ||||||||||||||||||
Low Tide | 10:18AM0.12m | 10:42PM0.20m | 10:47AM0.12m | 11:13PM0.20m | 11:16AM0.16m | |||||||||||||||||||
 |  |  | | | | | | | | |  | | | | | | | | | | | | | |
 | — | 7:39 | — | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:07 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 18 | 18 | 20 | 21 | 22 | 21 | 20 | 20 | 19 | 19 | 21 | 21 | 22 | 22 | 21 | 20 | 20 | 19 | 19 | 19 | 18 | 17 | 17 |
Feels °C | 15 | 15 | 15 | 16 | 17 | 18 | 18 | 18 | 18 | 15 | 15 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 15 | 15 | 15 | 15 | 16 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 12 | WSW 14 | WSW 14 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | WSW 12 | SW 12 |
| kJ | 600 | 581 | 479 | 471 | 367 | 355 | 331 | 250 | 255 | 264 | 682 | 663 | 590 | 486 | 486 | 486 | 543 | 501 | 535 | 535 | 511 | 428 | 378 | 319 |
Swell 2 Height (m) Direction Period (s) | SE 6 | SE 7 | SE 7 | SW 18 | WSW 18 | SW 18 | SE 7 | SE 9 | WSW 16 | WSW 15 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 9 | SE 9 | SW 15 | SW 15 | SSW 14 |
| kJ | 66 | 67 | 51 | 13 | 61 | 78 | 41 | 74 | 212 | 191 | 49 | 55 | 57 | 44 | 46 | 52 | 51 | 48 | 47 | 35 | 22 | 232 | 309 | 352 |
Swell 3 Height (m) Direction Period (s) | — | W 19 | SW 19 | SW 18 | — | — | WSW 16 | WSW 16 | SE 9 | SE 9 | SE 9 | — | S 18 | — | SSW 16 | — | S 9 | S 9 | S 9 | S 9 | SW 16 | SE 10 | SE 11 | SE 11 |
| kJ | — | 7 | 15 | 13 | — | — | 104 | 171 | 73 | 47 | 41 | — | 6 | — | 25 | — | 15 | 7 | 6 | 6 | 68 | 28 | 29 | 29 |
Wind waves Height (m) Direction Period (s) | ESE 7 | — | ESE 7 | SE 8 | SE 7 | SE 7 | SE 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 3 | NW 3 | — | — |
| kJ | 192 | — | 142 | 35 | 54 | 52 | 174 | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 8 | 8 | 0 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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