Surf Forecasts:
How big are the waves at Dumps today (14 Sep):
- Morning surf: Morning surf (14 Sep, local time) - 4.5ft (1.3m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (14 Sep, local time) - 3.5ft (1.1m), 12s period with SW swell.
- Evening surf: Evening surf (14 Sep, local time) - 6ft (1.8m), 7s period with NW swell.
The current surf forecast for Dumps at 4PM is: 1.0m 12s primary swell from a Southwest direction and 1.6m 6s secondary swell from a Northwest direction (forecast issued at 07:00am September 14). An open ocean swell of 0.2m 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 (14 Sep) | 4.5ft (1.3m) | 12s |
| Afternoon (14 Sep) | 3.5ft (1.1m) | 12s |
| Evening (14 Sep) | 6ft (1.8m) | 7s |
Table - waves today at Dumps. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 19mm), heaviest on Tue night. Very mild (max 17°C on Mon morning, min 12°C on Tue night). Mainly fresh winds. | |||||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||||||||
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 13 | SW 13 | SW 12 | SW 12 | SW 12 | NW 7 | NW 7 | NW 8 | NW 8 | NW 7 | NW 6 | NW 7 | SW 16 | SW 15 | WSW 15 | WSW 14 | WSW 14 | SW 13 | SW 13 | WSW 13 | SW 13 | WSW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 649 | 563 | 430 | 361 | 268 | 355 | 340 | 292 | 228 | 260 | 239 | 459 | 1001 | 1417 | 2842 | 4107 | 3460 | 2955 | 2494 | 1682 | 999 | 919 | 1561 |
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-on | cross-on | cross-on | cross-on | cross-on | 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 |
High Tide | 4:54AM1.67m | 5:08PM1.74m | 5:25AM1.58m | 5:38PM1.62m | 5:57AM1.48m | 6:09PM1.50m | |||||||||||||||||
Low Tide | 10:52AM0.38m | 11:17PM0.41m | 11:21AM0.48m | 11:46PM0.52m | 11:50AM0.60m | ||||||||||||||||||
 |  | |  |  |  | |  | | | | | | |  | | |  | | | |  | | |
 | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — |
 | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | 1 | — | — | 1 | — | — | — | — | 1 | — | — | — | — | 2 | 8 | 5 | 2 | — | — | — | — | — | — |
Temp °C | 15 | 15 | 17 | 17 | 17 | 15 | 15 | 15 | 15 | 14 | 16 | 17 | 15 | 14 | 13 | 13 | 12 | 14 | 15 | 16 | 15 | 14 | 13 |
Feels °C | 13 | 12 | 13 | 11 | 13 | 12 | 12 | 13 | 13 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 7 | 8 | 7 | 8 | 7 | 7 | 7 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 17 | SW 16 | SW 15 | WSW 15 | WSW 14 | WSW 14 | SW 13 | SW 13 | WSW 13 | SW 13 | WSW 13 | SW 13 |
| kJ | 649 | 563 | 430 | 361 | 268 | 268 | 263 | 250 | 228 | 194 | 168 | 459 | 1001 | 1417 | 2842 | 4107 | 3460 | 2955 | 2494 | 1682 | 999 | 888 | 1561 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 11 | SE 13 | SSE 13 | SE 7 | SE 13 | SE 13 | S 13 | SW 16 | SW 18 | SW 11 | SE 13 | SE 13 | NW 8 | NNW 7 | SW 15 | SW 14 | SW 14 | SW 14 | W 13 | SW 13 | W 13 |
| kJ | 76 | 49 | 90 | 26 | 16 | 2 | 41 | 7 | 3 | 69 | 192 | 183 | 7 | 7 | 398 | 35 | 305 | 632 | 849 | 790 | 878 | 919 | 483 |
Swell 3 Height (m) Direction Period (s) | SE 12 | ESE 11 | — | ESE 13 | — | SE 13 | — | — | ESE 13 | — | — | SE 13 | — | — | SE 13 | — | — | — | — | — | — | — | — |
| kJ | 34 | 48 | — | 16 | — | 7 | — | — | 17 | — | — | 7 | — | — | 7 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 5 | NNW 5 | NNW 5 | NNW 6 | NW 7 | NW 7 | NW 7 | NW 8 | NW 8 | NW 7 | NW 6 | NW 7 | NW 7 | WNW 8 | — | — | — | SW 9 | SSW 9 | SSE 5 | SSE 5 | SSE 6 | SSE 7 |
| kJ | 40 | 61 | 72 | 143 | 253 | 355 | 340 | 292 | 221 | 260 | 239 | 451 | 596 | 616 | — | — | — | 727 | 660 | 86 | 138 | 303 | 339 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 27 | 27 | 70 | 177 | 70 | 70 | 70 | 27 | 22 | 177 | 226 | 184 | 226 | 191 | 22 | 139 | 82 | 336 | 336 | 338 | 173 | 173 | 47 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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