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 6AM is: 1.5m 14s primary swell from a Southwest direction and 0.9m 12s secondary swell from a West-southwest direction (forecast issued at 01:00am September 12). An open ocean swell of 1.9m 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 8mm), mostly falling on Mon morning. Warm (max 21°C on Sun afternoon, min 15°C on Sat night). Winds increasing (calm on Sun night, fresh winds from the NW by Mon afternoon). | ||||||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | ||||||||||||||||||||||
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 | 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 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 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | NW 7 | NW 7 | NW 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 386 | 716 | 1253 | 1776 | 1371 | 3233 | 3212 | 2888 | 2482 | 2140 | 1855 | 1550 | 1262 | 1029 | 1014 | 827 | 663 | 643 | 504 | 423 | 361 | 471 | 585 | 423 |
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 | off | off | off | off | off | off | off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 3:51AM1.77m | 4:05PM1.88m | 4:23AM1.74m | 4:37PM1.83m | 4:54AM1.67m | 5:08PM1.74m | ||||||||||||||||||
Low Tide | 9:53AM0.27m | 10:19PM0.26m | 10:23AM0.31m | 10:48PM0.33m | 10:52AM0.38m | |||||||||||||||||||
 | |  | | |  | | | | | | |  | |  |  | | | |  | | | | | |
 | — | 6:50 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:36 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | 1 | — | 1 | 3 | — | — | — | — | — |
Temp °C | 15 | 16 | 16 | 18 | 18 | 18 | 16 | 15 | 15 | 15 | 16 | 19 | 21 | 20 | 18 | 16 | 15 | 15 | 15 | 18 | 19 | 17 | 16 | 15 |
Feels °C | 13 | 14 | 14 | 16 | 15 | 14 | 13 | 13 | 14 | 14 | 15 | 18 | 21 | 20 | 19 | 15 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | 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 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 386 | 716 | 1253 | 1776 | 1067 | 3233 | 3212 | 2888 | 2482 | 2140 | 1855 | 1550 | 1262 | 1029 | 1014 | 827 | 663 | 643 | 504 | 423 | 361 | 309 | 263 | 263 |
Swell 2 Height (m) Direction Period (s) | SW 14 | WSW 12 | — | — | SW 17 | — | — | — | SSE 7 | — | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SE 9 | SSE 7 | SSE 13 | SE 8 | SE 13 |
| kJ | 248 | 237 | — | — | 1371 | — | — | — | 202 | — | 226 | 172 | 135 | 128 | 125 | 104 | 59 | 26 | 19 | 12 | 5 | 16 | 2 | 7 |
Swell 3 Height (m) Direction Period (s) | SSW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 13 | SE 13 | SE 13 | S 18 |
| kJ | 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 7 | 7 | 7 |
Wind waves Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | — | N 3 | NNW 4 | NNW 5 | NNW 6 | NW 6 | NW 7 | NW 7 | NW 7 |
| kJ | 485 | 390 | 358 | 405 | 417 | 518 | 382 | 250 | 674 | 187 | 542 | 470 | 459 | 530 | 457 | — | 7 | 34 | 71 | 154 | 278 | 471 | 585 | 423 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 9 | 9 | 9 | 10 | 139 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 7 | 7 | 27 | 86 | 177 | 395 | 184 | 78 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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