Surf Forecasts:
How big are the waves at Dumps today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 7ft (2.2m), 11s period with SW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 6.5ft (2.0m), 11s period with SW swell.
- Evening surf: Evening surf (21 Aug, local time) - 4.5ft (1.3m), 11s period with WSW swell.
The current surf forecast for Dumps at 12AM is: 2.5m 12s primary swell from a Southwest direction (forecast issued at 07:00pm August 20). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 7ft (2.2m) | 11s |
| Afternoon (21 Aug) | 6.5ft (2.0m) | 11s |
| Evening (21 Aug) | 4.5ft (1.3m) | 11s |
Table - waves today at Dumps. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Fri afternoon, min 11°C on Fri morning). Wind will be generally light. | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 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) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SSW 11 | WSW 11 | SSW 10 | SSW 10 | WSW 11 | SSW 10 | SSW 12 | SSW 12 | SW 11 | SW 11 | SW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 2577 | 1999 | 1731 | 1610 | 1474 | 1325 | 1106 | 949 | 485 | 426 | 432 | 358 | 292 | 382 | 451 | 417 | 629 | 981 | 1121 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | glassy | cross | glassy | glassy | cross | cross-on | on | cross-on | glassy | glassy |
High Tide | 8:42PM1.27m | 9:53AM1.16m | 10:27PM1.21m | 11:59AM1.20m | |||||||||||||||
Low Tide | 2:09PM0.83m | 3:29AM0.83m | 3:59PM0.91m | 5:24AM0.82m | 6:03PM0.88m | ||||||||||||||
 |  | | | | | | | |  | |  | | | |  | | | | |
 | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — |
 | 6:19 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 13 | 13 | 12 | 12 | 11 | 15 | 18 | 16 | 15 | 14 | 13 | 13 | 13 | 15 | 16 | 15 | 16 | 15 |
Feels °C | 12 | 10 | 11 | 10 | 10 | 9 | 13 | 16 | 15 | 15 | 14 | 13 | 13 | 12 | 13 | 14 | 14 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | WSW 11 | SSW 10 | WSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 12 | SSW 12 | SW 11 | SW 11 | SW 11 |
| kJ | 2577 | 1999 | 1731 | 1610 | 1474 | 1325 | 1106 | 949 | 435 | 426 | 366 | 358 | 292 | 382 | 451 | 417 | 629 | 981 | 1121 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SSW 11 | SSW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 16 | SW 16 | WSW 15 |
| kJ | — | — | — | — | — | — | — | 322 | 310 | 372 | 366 | 291 | 291 | 218 | 214 | 173 | 27 | 64 | 193 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SSW 14 | SSW 14 | — | — | W 18 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 77 | 161 | — | — | 6 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SE 3 | — | SE 4 | SE 4 | SE 5 | SE 5 | SSW 11 | — | SSW 10 | — | — | — | NW 2 | NNW 2 | — | — | — |
| kJ | — | — | 5 | — | 19 | 38 | 56 | 43 | 485 | — | 432 | — | — | — | 1 | 1 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 31 | 26 | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 0 | 9 | 0 | 0 | 7 | 22 | 22 | 22 | 0 | 0 |
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)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Dumps surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest