Surf Forecasts:
How big are the waves at Dunes today (14 Sep):
- Morning surf: Morning surf (14 Sep, local time) - 4.5ft (1.3m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (14 Sep, local time) - 3.5ft (1.1m), 12s period with SW swell.
- Evening surf: Evening surf (14 Sep, local time) - 7ft (2.1m), 7s period with NW swell.
The current surf forecast for Dunes at 9AM is: 1.3m 12s primary swell from a Southwest direction and 0.7m 11s secondary swell from a Southeast direction, 1.3m 5s secondary swell from a North-northwest direction (forecast issued at 01:00am September 14). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Sep) | 4.5ft (1.3m) | 12s |
| Afternoon (14 Sep) | 3.5ft (1.1m) | 12s |
| Evening (14 Sep) | 7ft (2.1m) | 7s |
Table - waves today at Dunes. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Tue night. Very mild (max 15°C on Mon morning, min 12°C on Tue night). Winds increasing (moderate winds from the SSW on Tue night, strong winds from the SE by Wed night). | ||||||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||||||||||
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 13 | SW 12 | SW 12 | SW 12 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 6 | SW 16 | SW 16 | SW 15 | SW 15 | WSW 14 | WSW 14 | WSW 13 | SW 13 | SSW 13 | WSW 13 | WSW 13 | SW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 732 | 643 | 504 | 473 | 361 | 311 | 385 | 384 | 352 | 281 | 327 | 352 | 844 | 1194 | 1850 | 3477 | 4704 | 3716 | 3010 | 2528 | 1834 | 1316 | 905 | 1668 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 4:47AM1.44m | 4:59PM1.53m | 5:18AM1.35m | 5:29PM1.40m | 5:49AM1.24m | 5:59PM1.27m | ||||||||||||||||||
Low Tide | 10:49AM0.16m | 11:15PM0.17m | 11:18AM0.26m | 11:44PM0.28m | 11:47AM0.38m | |||||||||||||||||||
 | |  |  | | |  | | | |  | | | | |  | | |  | | | |  | | |
 | — | 6:48 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | 1 | 1 | — | — | — | — | — | — | — | — | 1 | — | — | — | 2 | 8 | 4 | 2 | — | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 13 | 12 | 13 | 14 | 14 | 14 | 14 | 14 | 14 |
Feels °C | 12 | 11 | 11 | 10 | 8 | 9 | 10 | 9 | 10 | 11 | 10 | 8 | 7 | 8 | 7 | 10 | 6 | 7 | 6 | 6 | 6 | 6 | 5 | 5 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 16 | SW 16 | SW 15 | SW 15 | WSW 14 | WSW 14 | WSW 13 | SW 13 | SSW 13 | WSW 13 | WSW 13 | SW 13 |
| kJ | 732 | 643 | 504 | 473 | 361 | 268 | 268 | 263 | 250 | 198 | 224 | 205 | 844 | 1194 | 1850 | 3477 | 4704 | 3716 | 3010 | 2528 | 1834 | 1316 | 888 | 1668 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 9 | SE 11 | SE 11 | SE 11 | SE 12 | SE 12 | SE 12 | ESE 11 | SW 16 | ESE 13 | SW 18 | SE 13 | SE 13 | SE 13 | NW 8 | SW 15 | SW 15 | SW 14 | SW 14 | WSW 13 | SW 13 | SW 13 | W 13 |
| kJ | 84 | 76 | 112 | 90 | 55 | 48 | 38 | 36 | 11 | 42 | 16 | 192 | 7 | 7 | 7 | 328 | 410 | 424 | 780 | 904 | 1269 | 827 | 905 | 475 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 12 | — | — | ESE 13 | — | — | — | SE 13 | ESE 13 | SE 13 | ESE 13 | SE 13 | — | W 9 | ESE 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 11 | — | — | WSW 12 |
| kJ | 22 | 34 | — | — | 16 | — | — | — | 7 | 17 | 7 | 16 | 7 | — | 99 | 33 | 33 | 30 | 26 | 13 | 12 | — | — | 220 |
Wind waves Height (m) Direction Period (s) | NNW 4 | NNW 5 | NNW 5 | NNW 5 | NNW 6 | NW 6 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 6 | NW 7 | NW 7 | NW 8 | — | — | S 5 | — | SW 9 | — | SSE 5 | SSE 6 | SSE 6 |
| kJ | 23 | 61 | 95 | 110 | 176 | 311 | 385 | 384 | 352 | 281 | 327 | 352 | 589 | 795 | 803 | — | — | 55 | — | 679 | — | 105 | 281 | 370 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 29 | 29 | 65 | 82 | 174 | 65 | 29 | 74 | 29 | 9 | 185 | 233 | 233 | 217 | 20 | 23 | 45 | 256 | 347 | 426 | 199 | 199 | 47 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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