Surf Forecasts:
How big are the waves at Dumps today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 6ft (1.8m), 7s period with NW swell.
- Afternoon surf: Afternoon surf (15 Sep, local time) - 3.5ft (1.1m), 16s period with SW swell.
- Evening surf: Evening surf (15 Sep, local time) - 7ft (2.1m), 15s period with SW swell.
The current surf forecast for Dumps at 8PM is: 1.8m 15s primary swell from a Southwest direction and 2.4m 7s secondary swell from a Northwest direction (forecast issued at 01:00pm September 15). An open ocean swell of 0.1m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 6ft (1.8m) | 7s |
| Afternoon (15 Sep) | 3.5ft (1.1m) | 16s |
| Evening (15 Sep) | 7ft (2.1m) | 15s |
Table - waves today at Dumps. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 24mm), heaviest during Tue night. Very mild (max 17°C on Thu afternoon, min 12°C on Tue night). Winds increasing (light winds from the NNW on Tue night, strong winds from the SSE by Thu afternoon). | |||||||||||||||||||||
Tue 15 | Wednesday 16 | Thursday 17 | |||||||||||||||||||
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) | NW 6 | NW 7 | SW 16 | SW 15 | SW 15 | SW 14 | WSW 14 | SW 13 | SW 13 | SW 13 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 341 | 466 | 1001 | 1417 | 2662 | 3326 | 3268 | 2800 | 2614 | 2456 | 1156 | 827 | 1395 | 1446 | 1404 | 1189 | 1272 | 1180 | 945 | 851 | 765 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:38PM1.62m | 5:57AM1.48m | 6:09PM1.50m | 6:32AM1.36m | 6:43PM1.36m | ||||||||||||||||
Low Tide | 11:21AM0.48m | 11:46PM0.52m | 11:50AM0.60m | 00:18AM0.63m | 12:24PM0.73m | ||||||||||||||||
 | |  |  |  | |  |  | | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — |
 | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | — | — | 4 | 10 | 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 16 | 14 | 13 | 12 | 13 | 13 | 15 | 16 | 15 | 14 | 13 | 12 | 12 | 12 | 15 | 17 | 16 | 14 | 13 |
Feels °C | 9 | 9 | 10 | 10 | 12 | 9 | 9 | 6 | 7 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 8 | 9 | 7 | 6 | 8 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 17 | SW 16 | SW 15 | SW 15 | SW 14 | WSW 14 | SW 13 | SW 13 | SW 13 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 171 | 459 | 1001 | 1417 | 2662 | 3326 | 3268 | 2800 | 2614 | 2456 | 1156 | 827 | 1395 | 1446 | 1404 | 1189 | 1272 | 1180 | 945 | 851 | 765 |
Swell 2 Height (m) Direction Period (s) | SW 18 | SW 11 | SE 13 | SE 13 | NW 8 | WNW 8 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | W 13 | W 13 | W 13 | W 12 | W 12 | — | — | — | — | — |
| kJ | 192 | 183 | 7 | 7 | 335 | 208 | 305 | 821 | 849 | 526 | 767 | 764 | 483 | 324 | 196 | 144 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | SE 13 | — | — | SE 13 | WNW 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 7 | — | — | 7 | 82 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 6 | NW 7 | NW 7 | NW 7 | — | — | — | — | SSW 9 | SSE 7 | SSE 6 | S 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 |
| kJ | 341 | 466 | 590 | 629 | — | — | — | — | 645 | 158 | 173 | 427 | 371 | 330 | 320 | 302 | 275 | 200 | 309 | 302 | 241 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 184 | 275 | 184 | 191 | 4 | 452 | 60 | 317 | 336 | 173 | 173 | 173 | 47 | 47 | 47 | 47 | 176 | 139 | 397 | 176 | 10 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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