Surf Forecasts:
How big are the waves at Dumps today (12 Sep):
- Afternoon surf: Afternoon surf (12 Sep, local time) - 5ft (1.6m), 17s period with SW swell.
- Evening surf: Evening surf (12 Sep, local time) - 8ft (2.5m), 16s period with SW swell.
The current surf forecast for Dumps at 11PM is: 2.5m 16s primary swell from a Southwest direction (forecast issued at 07:00pm September 12). An open ocean swell of 1.9m 8s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | - | - |
| Afternoon (12 Sep) | 5ft (1.6m) | 17s |
| Evening (12 Sep) | 8ft (2.5m) | 16s |
Table - waves today at Dumps. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Sun night. Warm (max 20°C on Sun morning, min 15°C on Sun night). Winds increasing (calm on Sun morning, fresh winds from the NW by Tue afternoon). | |||||||||||||||||||
Sat 12 | Sunday 13 | Monday 14 | |||||||||||||||||
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 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 3233 | 3212 | 2888 | 2482 | 2140 | 1983 | 1550 | 1262 | 1119 | 1014 | 827 | 663 | 643 | 504 | 473 | 361 | 309 | 268 | 263 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | cross-off | glassy | glassy | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on |
High Tide | 4:05PM1.88m | 4:23AM1.74m | 4:37PM1.83m | 4:54AM1.67m | 5:08PM1.74m | ||||||||||||||
Low Tide | 10:19PM0.26m | 10:23AM0.31m | 10:48PM0.33m | 10:52AM0.38m | |||||||||||||||
 |  | | |  | | | | |  | | | |  | |  | | | | |
 | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — |
 | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:36 | — | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 1 | — | 2 | 2 | — | — | — | — | — |
Temp °C | 18 | 17 | 16 | 16 | 16 | 17 | 20 | 19 | 18 | 17 | 15 | 16 | 15 | 15 | 17 | 17 | 16 | 15 | 15 |
Feels °C | 15 | 15 | 15 | 15 | 15 | 17 | 20 | 19 | 18 | 18 | 15 | 16 | 14 | 13 | 14 | 13 | 12 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 3233 | 3212 | 2888 | 2482 | 2140 | 1983 | 1550 | 1262 | 1119 | 1014 | 827 | 663 | 643 | 504 | 473 | 361 | 309 | 268 | 263 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SSE 8 | SE 8 | SSE 8 | SSE 8 | SSE 7 | S 6 | S 7 | SSE 7 | SSE 7 | SSE 9 | SE 9 | SSE 9 | SSE 8 | SE 8 | SE 8 |
| kJ | — | — | — | — | 192 | 125 | 110 | 102 | 73 | 28 | 22 | 35 | 26 | 29 | 19 | 8 | 6 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SSE 11 | SSE 8 | SSE 7 | SE 12 | SE 12 | — | — | ESE 12 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 12 | 40 | 21 | 23 | 6 | — | — | 15 | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 7 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | — | — | SSE 8 | — | NNW 3 | NNW 4 | NNW 4 | NW 5 | NW 5 | NW 6 | NW 6 | NW 6 | NW 6 |
| kJ | 443 | 429 | 425 | 302 | 619 | 504 | — | — | 192 | — | 9 | 13 | 22 | 51 | 73 | 145 | 205 | 209 | 223 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 4 | 7 | 7 | 7 | 25 | 27 | 336 | 177 | 25 | 70 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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