Surf Forecasts:
How big are the waves at Dumps 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) - 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 1PM is: 2.0m 11s primary swell from a Southwest direction and 1.2m 11s secondary swell from a South-southwest direction (forecast issued at 07:00am August 21). An open ocean swell of 0.9m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 7ft (2.1m) | 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. | |||||||||||||||||||||||
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 | SW 11 | S 11 | WSW 11 | SSW 10 | SSW 10 | WSW 11 | SSW 10 | SSW 12 | SSW 13 | SW 11 | SW 11 | SW 11 | SW 10 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1474 | 1073 | 882 | 949 | 535 | 403 | 432 | 358 | 292 | 382 | 451 | 437 | 629 | 981 | 1010 | 712 | 1697 | 1803 | 1700 | 1442 | 1596 | 1051 | 887 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross | glassy | cross | glassy | glassy | cross | cross-on | on | on | glassy | glassy | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 9:53AM1.16m | 10:27PM1.21m | 11:59AM1.20m | 00:10AM1.25m | 1:03PM1.31m | ||||||||||||||||||
Low Tide | 3:29AM0.83m | 3:59PM0.91m | 5:24AM0.82m | 6:03PM0.88m | 6:38AM0.74m | 7:07PM0.78m | |||||||||||||||||
 |  | | | |  | | | | | |  |  | | | | | | | | | | | |
 | 7:18 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:21 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 11 | 15 | 18 | 16 | 16 | 14 | 13 | 13 | 12 | 15 | 16 | 15 | 15 | 15 | 14 | 13 | 12 | 14 | 16 | 15 | 13 | 13 |
Feels °C | 10 | 9 | 13 | 16 | 14 | 16 | 14 | 13 | 13 | 11 | 13 | 13 | 13 | 15 | 16 | 14 | 13 | 11 | 12 | 14 | 13 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 11 | SW 11 | SW 11 | WSW 11 | WSW 11 | WSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 12 | SSW 13 | SW 11 | SW 11 | SW 11 | SW 10 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 |
| kJ | 1474 | 1073 | 882 | 949 | 435 | 403 | 366 | 358 | 292 | 382 | 451 | 437 | 629 | 981 | 1010 | 701 | 1697 | 1803 | 1700 | 1442 | 1596 | 1051 | 887 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SSW 11 | SSW 10 | SSW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | — | SSW 11 | SSW 11 |
| kJ | — | — | — | 322 | 310 | 260 | 366 | 291 | 291 | 218 | 176 | 173 | 26 | 98 | 246 | 712 | 163 | 305 | 46 | 222 | — | 265 | 340 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SSW 14 | SSW 14 | SE 4 | — | W 18 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 77 | 161 | 1 | — | 6 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 4 | SSE 5 | SSE 5 | SE 5 | S 11 | SSE 6 | SSW 10 | — | — | — | — | NNW 2 | NNW 3 | — | — | — | — | — | — | — | — | — | — |
| kJ | 24 | 39 | 39 | 49 | 535 | 52 | 432 | — | — | — | — | 1 | 6 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 9 | 9 | 0 | 9 | 0 | 0 | 7 | 7 | 22 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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