Surf Forecasts:
How big are the waves at Dumps today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 4.5ft (1.4m), 12s period with WSW swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 4ft (1.2m), 12s period with SW swell.
- Evening surf: Evening surf (21 Sep, local time) - 4ft (1.2m), 11s period with SW swell.
The current surf forecast for Dumps at 12AM is: 1.6m 12s primary swell from a West-southwest direction (forecast issued at 07:00pm September 20). An open ocean swell of 1.2m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 4.5ft (1.4m) | 12s |
| Afternoon (21 Sep) | 4ft (1.2m) | 12s |
| Evening (21 Sep) | 4ft (1.2m) | 11s |
Table - waves today at Dumps. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Mon night. Warm (max 28°C on Tue morning, min 16°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | |||||||||||||||||
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 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 998 | 862 | 784 | 636 | 545 | 536 | 472 | 464 | 380 | 360 | 314 | 314 | 308 | 342 | 374 | 386 | 367 | 486 | 391 |
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 | off | glassy | cross-off | cross-off | cross-on | cross-on | cross-on | cross-off | cross-off |
High Tide | 11:45PM1.20m | 12:29PM1.32m | 00:43AM1.31m | 1:07PM1.44m | |||||||||||||||
Low Tide | 5:44PM0.89m | 6:01AM0.79m | 6:43PM0.77m | 6:48AM0.68m | 7:18PM0.64m | ||||||||||||||
 |  | | | | | | | | | | |  | |  |  | |  | | |
 | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — |
 | 6:39 | — | — | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:42 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | — | — | — | — |
Temp °C | 23 | 20 | 19 | 18 | 16 | 17 | 22 | 26 | 27 | 24 | 23 | 22 | 21 | 23 | 28 | 25 | 22 | 18 | 17 |
Feels °C | 22 | 19 | 18 | 18 | 15 | 16 | 21 | 25 | 27 | 24 | 24 | 23 | 21 | 23 | 28 | 24 | 23 | 18 | 18 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 11 |
| kJ | 998 | 862 | 784 | 636 | 545 | 536 | 472 | 464 | 380 | 360 | 314 | 314 | 308 | 342 | 374 | 386 | 367 | 486 | 391 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SW 15 | SSW 15 | SSW 15 | SW 14 | SW 14 | SW 14 | WSW 11 | WSW 11 | WSW 10 | WSW 11 | S 15 | S 14 |
| kJ | — | — | — | — | — | — | — | 57 | 87 | 142 | 167 | 203 | 149 | 135 | 128 | 82 | 90 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SSE 6 | SSE 6 | SSE 6 | SE 6 | SSE 5 | S 16 | S 15 | S 14 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 35 | 26 | 15 | 9 | 3 | 5 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | SSE 5 | SSE 5 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SE 6 | — | — | — | — | — | — | S 3 |
| kJ | 40 | 64 | 93 | 87 | 111 | 93 | 80 | 64 | 64 | 58 | 52 | 96 | — | — | — | — | — | — | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 22 | 9 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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