Surf Forecasts:
How big are the waves at Dias Beach today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 11ft (3.5m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 10ft (3.0m), 13s period with SW swell.
- Evening surf: Evening surf (20 Aug, local time) - 8ft (2.5m), 12s period with SW swell.
The current surf forecast for Dias Beach at 8AM is: 3.5m 13s primary swell from a Southwest direction (forecast issued at 01:00am August 20). The wind direction is predicted to be cross-onshore and the swell rating is 11.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 11ft (3.5m) | 13s |
| Afternoon (20 Aug) | 10ft (3.0m) | 13s |
| Evening (20 Aug) | 8ft (2.5m) | 12s |
Table - waves today at Dias Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Sat afternoon, min 12°C on Thu night). Winds decreasing (fresh winds from the SE on Thu night, light winds from the WNW by Fri night). | ||||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||||||||||
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 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | SSW 10 | SSW 13 | SSW 13 | SSW 13 | SW 12 | SW 11 | SW 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2708 | 4207 | 4623 | 4055 | 3305 | 2659 | 2185 | 1830 | 1610 | 1374 | 1107 | 947 | 527 | 458 | 419 | 366 | 410 | 320 | 643 | 560 | 504 | 876 | 1162 | 1141 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | on | on | cross | cross-off | cross-off | cross | cross | cross | on |
High Tide | 8:02AM0.99m | 8:29PM1.04m | 9:44AM0.92m | 10:23PM0.98m | 11:55AM0.96m | |||||||||||||||||||
Low Tide | 1:53AM0.54m | 1:54PM0.62m | 3:16AM0.63m | 3:46PM0.71m | 5:32AM0.62m | 6:06PM0.66m | ||||||||||||||||||
 | |  | | | | | | | | | | | |  | | |  | | |  | | | | |
 | — | 7:20 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:20 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 16 | 16 |
Feels °C | 13 | 12 | 12 | 12 | 11 | 10 | 8 | 8 | 8 | 6 | 6 | 6 | 10 | 9 | 10 | 11 | 12 | 13 | 11 | 12 | 13 | 14 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | WSW 11 | WSW 11 | WSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 13 | SSW 13 | SSW 13 | SW 12 | SW 11 | SW 11 |
| kJ | 2708 | 4207 | 4623 | 4055 | 3305 | 2659 | 2185 | 1830 | 1610 | 1374 | 1107 | 947 | 527 | 458 | 419 | 338 | 410 | 320 | 643 | 560 | 504 | 876 | 1162 | 1141 |
Swell 2 Height (m) Direction Period (s) | E 10 | — | — | — | — | — | — | — | — | — | — | SSW 11 | SSW 11 | SSW 10 | SSW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 11 | WSW 16 | WSW 16 | WSW 15 |
| kJ | 2 | — | — | — | — | — | — | — | — | — | — | 486 | 372 | 310 | 352 | 366 | 366 | 291 | 216 | 198 | 167 | 27 | 100 | 275 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NE 5 | — | — | — | SSW 14 | SSW 14 | ESE 4 | — | W 18 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | 120 | 210 | 1 | — | 6 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | ESE 3 | E 3 | ESE 4 | SE 4 | ESE 5 | SE 5 | SE 5 | SE 5 | SE 5 | — | — | — | — | NNW 2 | NW 4 | — | — |
| kJ | — | — | — | — | — | — | — | 6 | 6 | 18 | 42 | 56 | 51 | 66 | 74 | 40 | — | — | — | — | 1 | 8 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 15 | 2 | 2 | 2 | 2 | 15 | 30 | 29 | 29 | 29 | 29 | 28 | 29 | 31 | 29 | 29 | 7 | 4 | 21 | 4 | 4 | 4 | 4 | 15 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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