Surf Forecasts:
How big are the waves at Dias Beach today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 7ft (2.1m), 11s period with SW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 5ft (1.5m), 11s period with WSW swell.
- Evening surf: Evening surf (21 Aug, local time) - 4.5ft (1.3m), 11s period with WSW swell.
The current surf forecast for Dias Beach at 9AM is: 2.1m 11s primary swell from a Southwest direction and 0.9m 4s secondary swell from a East-southeast direction (forecast issued at 01:00am August 21). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 7ft (2.1m) | 11s |
| Afternoon (21 Aug) | 5ft (1.5m) | 11s |
| Evening (21 Aug) | 4.5ft (1.3m) | 11s |
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 Fri morning). Winds decreasing (fresh winds from the SE on Fri morning, calm by Sat night). | ||||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||||||
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 12 | SW 11 | SW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | SSW 10 | SSW 13 | SSW 12 | SW 13 | SW 11 | SW 11 | SW 11 | SW 12 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1605 | 1374 | 1107 | 947 | 527 | 458 | 419 | 366 | 366 | 320 | 587 | 543 | 639 | 1017 | 1347 | 1270 | 1213 | 2029 | 2164 | 2017 | 1913 | 1722 | 1159 | 872 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-on | cross-on | cross-on | on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 9:44AM0.92m | 10:23PM0.98m | 11:55AM0.96m | 00:07AM1.03m | 12:59PM1.06m | |||||||||||||||||||
Low Tide | 3:16AM0.63m | 3:46PM0.71m | 5:32AM0.62m | 6:06PM0.66m | 6:47AM0.52m | 7:07PM0.56m | ||||||||||||||||||
 | |  | | | |  | | |  | | | |  | | | | | | | | | | | |
 | — | 7:18 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:21 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 12 | 12 | 12 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 |
Feels °C | 8 | 6 | 6 | 6 | 9 | 9 | 11 | 11 | 12 | 12 | 10 | 11 | 12 | 13 | 14 | 16 | 13 | 12 | 11 | 10 | 10 | 10 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 11 | SW 11 | WSW 11 | WSW 11 | WSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 13 | SSW 12 | SW 13 | SW 11 | SW 11 | SW 11 | SW 12 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 |
| kJ | 1605 | 1374 | 1107 | 947 | 527 | 458 | 419 | 338 | 292 | 320 | 587 | 543 | 639 | 1017 | 1347 | 1270 | 1213 | 2029 | 2164 | 2017 | 1913 | 1722 | 1159 | 872 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SSW 11 | SSW 11 | SSW 10 | SSW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | SW 12 | SSW 11 | — | — | — | SSW 11 | SSW 12 |
| kJ | — | — | — | 460 | 372 | 310 | 304 | 366 | 366 | 291 | 255 | 198 | 95 | 26 | 98 | 275 | 668 | 205 | 256 | — | — | — | 286 | 509 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | ESE 5 | SE 4 | SSW 14 | ESE 4 | — | W 17 | — | — | — | WSW 11 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 22 | 12 | 207 | 1 | — | 6 | — | — | — | 47 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 3 | SE 4 | ESE 4 | ESE 4 | SE 5 | SE 5 | SE 5 | SE 5 | — | — | NW 2 | NNW 3 | NW 4 | NW 4 | — | — | — | — | — | — | — | — | — | — |
| kJ | 6 | 14 | 31 | 54 | 49 | 66 | 74 | 33 | — | — | 1 | 5 | 12 | 12 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 29 | 29 | 29 | 28 | 29 | 29 | 29 | 29 | 4 | 4 | 21 | 4 | 4 | 4 | 4 | 2 | 2 | 15 | 15 | 15 | 29 | 29 | 15 | 15 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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