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 3PM is: 1.5m 11s primary swell from a West-southwest direction and 1.2m 10s secondary swell from a South-southwest direction, 1.1m 5s secondary swell from a Southeast direction (forecast issued at 07:00am August 21). The wind direction is predicted to be cross-onshore.
| 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 15°C on Fri night, 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 | |||||||||||||||||||||
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 11 | SW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | SSW 10 | SSW 13 | SSW 12 | SSW 13 | SW 11 | SW 11 | SW 11 | SW 10 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1374 | 1107 | 1017 | 527 | 458 | 419 | 366 | 366 | 320 | 587 | 543 | 497 | 898 | 1270 | 1246 | 893 | 2008 | 2081 | 1974 | 1805 | 1722 | 1159 | 985 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-on | cross-on | on | on | cross | cross-off | cross-off | cross-off | cross-off | cross | glassy | cross-on | cross-on | cross | cross | 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 | 12 | 12 | 12 | 14 | 14 | 15 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 |
Feels °C | 6 | 6 | 6 | 8 | 8 | 12 | 11 | 12 | 12 | 11 | 11 | 10 | 12 | 14 | 16 | 13 | 12 | 11 | 11 | 10 | 10 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 11 | SW 11 | WSW 11 | WSW 11 | WSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 13 | SSW 12 | SSW 13 | SW 11 | SW 11 | SW 11 | SW 10 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 |
| kJ | 1374 | 1107 | 1017 | 527 | 458 | 419 | 338 | 292 | 320 | 587 | 543 | 497 | 898 | 1270 | 1246 | 893 | 2008 | 2081 | 1974 | 1805 | 1722 | 1159 | 985 |
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 |
| kJ | — | — | 486 | 372 | 310 | 304 | 366 | 366 | 291 | 255 | 222 | 191 | 26 | 97 | 275 | 668 | 209 | — | — | — | — | 286 | 366 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SE 4 | SSW 14 | ESE 4 | — | W 17 | — | — | NNW 4 | WSW 11 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 16 | 207 | 2 | — | 6 | — | — | 3 | 140 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 4 | ESE 4 | SE 4 | SE 5 | SE 5 | SE 5 | SE 5 | — | — | NW 2 | NNW 3 | NNW 4 | NW 4 | — | — | — | — | — | — | — | — | — | — |
| kJ | 14 | 31 | 46 | 47 | 87 | 86 | 35 | — | — | 1 | 6 | 11 | 16 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 29 | 29 | 28 | 29 | 29 | 15 | 29 | 4 | 4 | 4 | 4 | 25 | 4 | 4 | 0 | 15 | 15 | 2 | 2 | 2 | 2 | 2 | 15 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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