Surf Forecasts:
How big are the waves at Dias Beach today (18 Sep):
- Afternoon surf: Afternoon surf (18 Sep, local time) - 7ft (2.1m), 12s period with SW swell.
- Evening surf: Evening surf (18 Sep, local time) - 6ft (1.9m), 12s period with SW swell.
The current surf forecast for Dias Beach at 12AM is: 1.8m 12s primary swell from a Southwest direction and 1.9m 6s secondary swell from a Southeast direction (forecast issued at 07:00pm September 17). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | - | - |
| Afternoon (18 Sep) | 7ft (2.1m) | 12s |
| Evening (18 Sep) | 6ft (1.9m) | 12s |
Table - waves today at Dias Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Sun afternoon, min 12°C on Thu night). Winds decreasing (near gales from the ESE on Fri afternoon, fresh winds from the SE by Sun morning). | |||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | |||||||||||||||||
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 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | ESE 7 | SW 12 | SW 14 | SW 14 | SW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 1092 | 990 | 974 | 866 | 898 | 898 | 898 | 1109 | 1109 | 932 | 917 | 798 | 785 | 772 | 479 | 466 | 1255 | 1754 | 2006 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross |
High Tide | 6:34PM1.13m | 7:06AM1.01m | 7:26PM1.01m | 8:42AM0.91m | 9:33PM0.93m | ||||||||||||||
Low Tide | 00:52AM0.53m | 1:00PM0.63m | 1:59AM0.64m | 2:48PM0.73m | |||||||||||||||
 |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 6:41 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — |
 | 6:37 | — | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:38 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 13 | 12 | 12 | 14 | 16 | 16 | 14 | 13 | 13 | 13 | 12 | 15 | 16 | 16 | 15 | 15 |
Feels °C | 4 | 5 | 5 | 4 | 2 | 2 | 4 | 6 | 5 | 4 | 4 | 6 | 5 | 4 | 9 | 8 | 7 | 6 | 7 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 14 |
| kJ | 1092 | 990 | 974 | 866 | 898 | 898 | 898 | 1109 | 1109 | 932 | 917 | 798 | 785 | 772 | 433 | 448 | 1255 | 1754 | 2006 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | SW 14 | SW 20 | WSW 18 | SW 18 | WSW 18 | SW 16 | SW 16 | — | SW 14 | SW 14 | — | — | — |
| kJ | — | — | — | — | — | — | 297 | 15 | 31 | 49 | 31 | 127 | 127 | — | 412 | 466 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | SW 20 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 15 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 6 | SE 6 | SE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | SE 6 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | SE 7 | SE 6 | ESE 6 |
| kJ | 297 | 317 | 252 | 251 | 295 | 320 | 293 | 364 | 515 | 695 | 628 | 495 | 537 | 569 | 479 | 431 | 453 | 426 | 393 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 397 | 82 | 52 | 41 | 39 | 41 | 62 | 56 | 62 | 39 | 35 | 29 | 32 | 32 | 29 | 35 | 189 | 39 | 39 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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