Surf Forecasts:
How big are the waves at Dumps today (11 Sep):
- Morning surf: Morning surf (11 Sep, local time) - 6ft (1.8m), 12s period with WSW swell.
- Afternoon surf: Afternoon surf (11 Sep, local time) - 5ft (1.6m), 12s period with WSW swell.
- Evening surf: Evening surf (11 Sep, local time) - 5ft (1.5m), 12s period with WSW swell.
The current surf forecast for Dumps at 8AM is: 1.9m 12s primary swell from a West-southwest direction and 0.4m 9s secondary swell from a Southwest direction (forecast issued at 01:00am September 11). An open ocean swell of 2.0m 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 (11 Sep) | 6ft (1.8m) | 12s |
| Afternoon (11 Sep) | 5ft (1.6m) | 12s |
| Evening (11 Sep) | 5ft (1.5m) | 12s |
Table - waves today at Dumps. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Sun night. Warm (max 23°C on Sun afternoon, min 14°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | ||||||||||||||||||||||
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 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | 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 | 1207 | 1134 | 1080 | 967 | 816 | 710 | 575 | 467 | 393 | 780 | 1253 | 1776 | 1371 | 3233 | 3039 | 2888 | 2341 | 2140 | 1855 | 1550 | 1262 | 1029 | 852 | 683 |
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 | cross-off | off | off | cross-off | cross-off | off | glassy | cross-off | cross-off | glassy | cross |
High Tide | 3:17AM1.77m | 3:33PM1.89m | 3:51AM1.77m | 4:05PM1.88m | 4:23AM1.74m | 4:37PM1.83m | ||||||||||||||||||
Low Tide | 9:22AM0.26m | 9:48PM0.24m | 9:53AM0.27m | 10:19PM0.26m | 10:23AM0.31m | 10:48PM0.33m | ||||||||||||||||||
 |  |  | |  | | | | | | | | | | | | | | | | |  |  | | |
 | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — |
Temp °C | 15 | 14 | 14 | 16 | 17 | 16 | 15 | 15 | 14 | 15 | 15 | 18 | 19 | 18 | 17 | 16 | 15 | 15 | 16 | 21 | 23 | 20 | 18 | 16 |
Feels °C | 12 | 11 | 12 | 13 | 13 | 12 | 11 | 12 | 12 | 14 | 13 | 15 | 16 | 15 | 15 | 15 | 13 | 14 | 16 | 21 | 22 | 19 | 20 | 15 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | 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 | 1207 | 1134 | 1080 | 967 | 816 | 710 | 575 | 467 | 393 | 780 | 1253 | 1776 | 1067 | 3233 | 3039 | 2888 | 2341 | 2140 | 1855 | 1550 | 1262 | 1029 | 852 | 683 |
Swell 2 Height (m) Direction Period (s) | — | — | SW 9 | — | — | — | SW 15 | SW 15 | SW 14 | WSW 12 | SSW 9 | — | SW 17 | — | — | — | — | SSE 8 | SSE 8 | SSE 8 | SSE 12 | — | SSE 8 | SSE 8 |
| kJ | — | — | 19 | — | — | — | 34 | 76 | 248 | 237 | 77 | — | 1371 | — | — | — | — | 280 | 217 | 212 | 56 | — | 217 | 110 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SSW 10 | SSW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 34 | 33 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 6 | S 6 | S 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SSE 8 | SSE 8 | SE 9 | NNW 4 |
| kJ | 169 | 369 | 366 | 432 | 570 | 686 | 594 | 594 | 462 | 417 | 293 | 407 | 498 | 522 | 452 | 488 | 412 | 800 | 711 | 711 | 287 | 379 | 715 | 13 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 175 | 10 | 9 | 9 | 397 | 397 | 338 | 10 | 9 | 0 | 9 | 4 | 9 | 4 | 0 | 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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