
Surf Forecasts:
How big are the waves at Dias Beach today (20 Jul):
- Afternoon surf: Afternoon surf (20 Jul, local time) - 4.5ft (1.3m), 9s period with SW swell.
- Evening surf: Evening surf (20 Jul, local time) - 3.5ft (1.1m), 8s period with SW swell.
The current surf forecast for Dias Beach at 11PM is: 0.8m 16s primary swell from a South-southwest direction and 1.1m 7s secondary swell from a Southwest direction (forecast issued at 07:00pm July 20). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | - | - |
| Afternoon (20 Jul) | 4.5ft (1.3m) | 9s |
| Evening (20 Jul) | 3.5ft (1.1m) | 8s |
Table - waves today at Dias Beach. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu morning. Very mild (max 15°C on Mon night, min 11°C on Thu morning). Winds increasing (calm on Tue morning, fresh winds from the N by Thu morning). | |||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||
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) | WNW 10 | SW 8 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 12 |
Wave Graph | |||||||||||||||||||
176 | 145 | 330 | 487 | 752 | 2250 | 2844 | 3139 | 2653 | 2561 | 2114 | 1777 | 1525 | 1591 | 1404 | 1392 | 1107 | 1189 | 952 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross | cross-on | glassy | glassy | on | on | cross-on | cross-on | on | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off |
High Tide | 7:44PM1.31m | 8:12AM1.07m | 8:35PM1.19m | 9:19AM1.00m | 9:42PM1.11m | ||||||||||||||
Low Tide | 2:13AM0.43m | 2:07PM0.50m | 3:13AM0.51m | 3:11PM0.60m | |||||||||||||||
— | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — | |
5:57 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:58 | — | — | |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 13 |
Feels °C | 13 | 13 | 13 | 14 | 13 | 14 | 14 | 13 | 12 | 12 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 8 |
Swell 1 Height (m) Direction Period (s) | SW 8 | SW 8 | SW 7 | SW 7 | SSW 15 | SSW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 12 |
176 | 145 | 121 | 104 | 752 | 2250 | 2844 | 3139 | 2653 | 2561 | 2114 | 1777 | 1525 | 1591 | 1404 | 1392 | 1107 | 1189 | 952 | |
Swell 2 Height (m) Direction Period (s) | SW 11 | W 10 | SSW 16 | SSW 15 | SW 7 | ESE 11 | SE 11 | SE 11 | SE 11 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | ESE 11 | ESE 11 | SSW 14 | SSW 14 | SSW 14 | S 12 |
155 | 120 | 330 | 487 | 104 | 154 | 123 | 123 | 123 | 105 | 76 | 72 | 73 | 76 | 46 | 163 | 201 | 145 | 377 | |
Swell 3 Height (m) Direction Period (s) | SE 11 | SW 10 | SE 11 | SW 12 | SSW 10 | W 9 | WNW 9 | W 9 | W 9 | — | — | — | — | — | SSW 15 | ESE 11 | ESE 11 | ESE 11 | SE 11 |
103 | 85 | 128 | 197 | 135 | 56 | 26 | 14 | 14 | — | — | — | — | — | 72 | 47 | 47 | 47 | 30 | |
Wind waves Height (m) Direction Period (s) | WNW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 4 | NW 4 | NW 4 | NNW 4 |
160 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 13 | 17 | 24 | 31 | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 4 | 0 | 0 | 4 | 4 | 0 | 0 | 15 | 15 | 2 | 2 | 7 | 4 | 0 | 4 | 4 | 4 | 4 | 4 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)










