Surf Forecasts:
How big are the waves at Dumps today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 6ft (1.8m), 10s period with SW swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 5ft (1.5m), 9s period with SW swell.
- Evening surf: Evening surf (20 Jul, local time) - 2.5ft (0.8m), 10s period with SW swell.
The current surf forecast for Dumps at 10AM is: 1.8m 9s primary swell from a Southwest direction and 0.7m 10s secondary swell from a West direction, 0.4m 3s secondary swell from a North direction (forecast issued at 07:00am July 20). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 6ft (1.8m) | 10s |
| Afternoon (20 Jul) | 5ft (1.5m) | 9s |
| Evening (20 Jul) | 2.5ft (0.8m) | 10s |
Table - waves today at Dumps. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Mon afternoon, min 10°C on Wed morning). Wind will be generally light. | |||||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||||||
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 10 | SW 10 | SW 9 | SW 9 | SW 8 | SW 10 | SW 16 | SSW 16 | SSW 15 | SSW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 784 | 701 | 440 | 388 | 273 | 129 | 268 | 318 | 584 | 1667 | 2290 | 2603 | 2570 | 2436 | 2114 | 1799 | 1550 | 1404 | 1381 | 1313 | 1189 | 1200 | 617 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | on | on | glassy | glassy | glassy | glassy | glassy | glassy | cross | cross | cross-off | cross-off | glassy | glassy | cross | cross-on | on | cross-on | cross-on | cross-on |
High Tide | 7:28AM1.40m | 7:55PM1.52m | 8:20AM1.30m | 8:49PM1.42m | 9:27AM1.22m | 9:56PM1.35m | |||||||||||||||||
Low Tide | 1:29PM0.60m | 2:24AM0.66m | 2:19PM0.71m | 3:28AM0.73m | 3:26PM0.79m | ||||||||||||||||||
 |  | |  | | | | |  | | | | | | | | | | | | | | | |
 | 7:46 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:45 | — | — | — | — | — | — |
 | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:59 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 14 | 17 | 15 | 15 | 14 | 13 | 12 | 11 | 13 | 15 | 14 | 13 | 12 | 12 | 11 | 10 | 13 | 14 | 14 | 13 | 13 |
Feels °C | 10 | 10 | 12 | 15 | 13 | 14 | 13 | 12 | 11 | 10 | 12 | 13 | 12 | 11 | 11 | 12 | 11 | 9 | 11 | 11 | 11 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 10 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SSW 8 | SSW 15 | SSW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 784 | 701 | 440 | 388 | 273 | 129 | 116 | 98 | 584 | 1667 | 2290 | 2603 | 2570 | 2436 | 2114 | 1799 | 1550 | 1404 | 1381 | 1313 | 1189 | 1200 | 617 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 10 | W 10 | SW 10 | SW 16 | SSW 16 | SSW 7 | W 9 | W 9 | W 9 | W 9 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 |
| kJ | 125 | 94 | 123 | 122 | 90 | 124 | 268 | 318 | 96 | 40 | 39 | 25 | 14 | 31 | 31 | 30 | 30 | 18 | 43 | 72 | 158 | 145 | 418 |
Swell 3 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SW 18 | W 10 | SW 12 | SW 12 | W 9 | SW 11 | SE 11 | W 9 | W 9 | — | — | — | — | — | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 14 |
| kJ | 17 | 16 | 16 | 8 | 80 | 90 | 175 | 172 | 57 | 31 | 43 | 14 | 14 | — | — | — | — | — | 12 | 12 | 12 | 12 | 18 |
Wind waves Height (m) Direction Period (s) | NNW 3 | NNW 2 | N 3 | NNE 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 3 | NW 4 | WNW 5 |
| kJ | 3 | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 24 | 69 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 7 | 7 | 4 | 4 | 7 | 22 | 22 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 22 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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