Surf Forecasts:
How big are the waves at Dumps today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 10ft (3.0m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 7.5ft (2.3m), 13s period with SW swell.
- Evening surf: Evening surf (16 Sep, local time) - 6ft (1.9m), 13s period with SW swell.
The current surf forecast for Dumps at 9PM is: 1.9m 13s primary swell from a Southwest direction and 1.3m 13s secondary swell from a West direction (forecast issued at 01:00pm September 16). 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 (16 Sep) | 10ft (3.0m) | 13s |
| Afternoon (16 Sep) | 7.5ft (2.3m) | 13s |
| Evening (16 Sep) | 6ft (1.9m) | 13s |
Table - waves today at Dumps. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Fri afternoon, min 12°C on Wed night). Winds decreasing (strong winds from the SSE on Thu afternoon, light winds from the SE by Fri night). | |||||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | |||||||||||||||||||
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 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2494 | 2456 | 919 | 1069 | 1498 | 1352 | 1319 | 1189 | 1180 | 1111 | 945 | 851 | 765 | 739 | 713 | 756 | 756 | 713 | 946 | 946 | 864 |
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 | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off |
High Tide | 6:09PM1.50m | 6:32AM1.36m | 6:43PM1.36m | 7:19AM1.25m | 7:33PM1.24m | ||||||||||||||||
Low Tide | 11:50AM0.60m | 00:18AM0.63m | 12:24PM0.73m | 00:57AM0.74m | 1:11PM0.85m | ||||||||||||||||
 | | |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — |
 | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:38 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 16 | 15 | 14 | 13 | 12 | 12 | 13 | 15 | 17 | 16 | 14 | 13 | 13 | 12 | 12 | 16 | 20 | 19 | 15 | 14 |
Feels °C | 7 | 8 | 8 | 7 | 7 | 5 | 5 | 6 | 7 | 9 | 7 | 7 | 7 | 8 | 7 | 8 | 11 | 13 | 12 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 13 |
| kJ | 2494 | 2456 | 919 | 1069 | 1498 | 1352 | 1319 | 1189 | 1180 | 1111 | 945 | 851 | 765 | 739 | 713 | 756 | 756 | 713 | 946 | 946 | 864 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | W 13 | WSW 13 | W 13 | W 13 | W 12 | W 12 | — | — | — | — | — | — | — | — | W 20 | SW 20 | SW 18 | SW 18 | WSW 18 |
| kJ | 849 | 526 | 878 | 669 | 334 | 324 | 196 | 144 | — | — | — | — | — | — | — | — | 7 | 15 | 12 | 49 | 31 |
Swell 3 Height (m) Direction Period (s) | WSW 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 378 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SSE 5 | S 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 6 | SSE 6 | SSE 7 | SSE 6 | SSE 6 | SE 6 | SE 6 | SE 6 | SSE 6 | SSE 7 | SE 7 | SE 7 |
| kJ | — | 103 | 251 | 435 | 419 | 433 | 397 | 352 | 342 | 284 | 384 | 378 | 271 | 238 | 188 | 157 | 216 | 277 | 350 | 322 | 220 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 336 | 375 | 397 | 109 | 173 | 176 | 47 | 47 | 176 | 397 | 859 | 109 | 10 | 0 | 0 | 0 | 0 | 4 | 139 | 10 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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