Surf Forecasts:
How big are the waves at Dumps today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 6ft (1.9m), 14s period with SW swell.
- 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 2AM is: 1.3m 11s primary swell from a West-southwest direction and 0.8m 14s secondary swell from a Southwest direction (forecast issued at 07:00pm September 11). An open ocean swell of 2.2m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 6ft (1.9m) | 14s |
| 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 9mm), mostly falling on Mon morning. Warm (max 22°C on Sun afternoon, min 15°C on Fri night). Winds increasing (calm on Sun night, fresh winds from the NNW by Mon morning). | |||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | |||||||||||||||||
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) | WSW 12 | WSW 12 | WSW 12 | WSW 11 | SW 14 | SW 14 | SW 15 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 710 | 575 | 467 | 386 | 716 | 1253 | 1776 | 1371 | 3233 | 3212 | 2888 | 2482 | 2140 | 1855 | 1550 | 1262 | 1029 | 1014 | 827 |
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-off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | glassy | cross-on |
High Tide | 3:33PM1.89m | 3:51AM1.77m | 4:05PM1.88m | 4:23AM1.74m | 4:37PM1.83m | ||||||||||||||
Low Tide | 9:48PM0.24m | 9:53AM0.27m | 10:19PM0.26m | 10:23AM0.31m | 10:48PM0.33m | ||||||||||||||
 |  | | | |  | | | | | | | | | | | |  | | |
 | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — |
 | 6:34 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 |
Temp °C | 18 | 15 | 15 | 15 | 15 | 16 | 18 | 17 | 18 | 15 | 15 | 15 | 15 | 16 | 19 | 22 | 22 | 19 | 16 |
Feels °C | 14 | 12 | 12 | 13 | 12 | 14 | 16 | 13 | 14 | 12 | 13 | 14 | 14 | 15 | 18 | 21 | 21 | 20 | 16 |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 12 | WSW 12 | WSW 11 | SW 14 | SW 14 | SW 15 | SW 14 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 |
| kJ | 710 | 575 | 467 | 386 | 716 | 1253 | 1776 | 1067 | 3233 | 3212 | 2888 | 2482 | 2140 | 1855 | 1550 | 1262 | 1029 | 1014 | 827 |
Swell 2 Height (m) Direction Period (s) | — | SW 15 | SW 15 | SW 14 | WSW 12 | — | — | SW 17 | — | — | — | — | — | SSE 8 | SSE 8 | SSE 8 | — | SSE 7 | SSE 8 |
| kJ | — | 34 | 76 | 248 | 237 | — | — | 1371 | — | — | — | — | — | 212 | 172 | 163 | — | 188 | 123 |
Swell 3 Height (m) Direction Period (s) | — | — | SSW 10 | SSW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 34 | 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SSE 8 | SE 9 | — |
| kJ | 686 | 610 | 610 | 485 | 390 | 330 | 301 | 581 | 559 | 393 | 327 | 302 | 260 | 611 | 545 | 519 | 199 | 668 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 397 | 10 | 9 | 9 | 9 | 9 | 9 | 336 | 336 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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