Surf Forecasts:
How big are the waves at Dumps today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 5.5ft (1.7m), 7s period with NW swell.
- Afternoon surf: Afternoon surf (15 Sep, local time) - 3.5ft (1.1m), 16s period with SW swell.
- Evening surf: Evening surf (15 Sep, local time) - 6.5ft (2.0m), 15s period with SW swell.
The current surf forecast for Dumps at 1AM is: 1.7m 8s primary swell from a Northwest direction and 1.0m 12s secondary swell from a Southwest direction (forecast issued at 01:00pm September 14). An open ocean swell of 0.1m 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 (15 Sep) | 5.5ft (1.7m) | 7s |
| Afternoon (15 Sep) | 3.5ft (1.1m) | 16s |
| Evening (15 Sep) | 6.5ft (2.0m) | 15s |
Table - waves today at Dumps. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 23mm), heaviest during Tue night. Very mild (max 18°C on Mon afternoon, min 11°C on Tue night). Mainly fresh winds. | |||||||||||||||||||||
Mon 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||||||
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 12 | SW 12 | NW 7 | NW 7 | NW 7 | NW 8 | NW 8 | NW 7 | NW 6 | NW 7 | SW 16 | SW 15 | SW 15 | WSW 14 | WSW 14 | SW 13 | SW 13 | SW 13 | SW 13 | WSW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 430 | 361 | 337 | 400 | 365 | 269 | 233 | 285 | 266 | 464 | 1001 | 1417 | 2491 | 3582 | 3460 | 2669 | 2494 | 2456 | 1086 | 1025 | 1537 |
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 | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 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 | ||||||||||||||||
 |  |  |  | |  |  | |  | | | |  | | | | | | |  | | |
 | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — |
 | — | — | 6:36 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | 1 | — | — | — | — | 1 | — | — | — | — | 3 | 7 | 8 | 3 | — | — | — | — | — | — |
Temp °C | 17 | 18 | 17 | 15 | 15 | 15 | 15 | 14 | 16 | 16 | 15 | 14 | 13 | 12 | 11 | 14 | 15 | 16 | 15 | 14 | 13 |
Feels °C | 13 | 12 | 13 | 11 | 12 | 13 | 13 | 11 | 10 | 10 | 9 | 10 | 9 | 7 | 8 | 7 | 7 | 8 | 7 | 7 | 7 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 17 | SW 16 | SW 15 | SW 15 | WSW 14 | WSW 14 | SW 13 | SW 13 | SW 13 | SW 13 | WSW 13 | SW 13 |
| kJ | 430 | 361 | 268 | 268 | 263 | 217 | 233 | 165 | 168 | 459 | 1001 | 1417 | 2491 | 3582 | 3460 | 2669 | 2494 | 2456 | 1086 | 1025 | 1537 |
Swell 2 Height (m) Direction Period (s) | SE 11 | SE 13 | SSE 13 | SE 8 | SE 13 | SE 13 | S 13 | SW 16 | SW 18 | SW 11 | SE 13 | SE 13 | WNW 8 | NW 7 | SW 15 | SW 14 | SW 14 | SW 14 | WSW 13 | SW 13 | W 13 |
| kJ | 90 | 26 | 16 | 2 | 41 | 7 | 3 | 69 | 192 | 183 | 7 | 7 | 419 | 156 | 305 | 821 | 849 | 526 | 1011 | 755 | 475 |
Swell 3 Height (m) Direction Period (s) | — | ESE 13 | — | SE 13 | — | — | ESE 13 | — | — | SE 13 | — | — | SE 13 | NNW 7 | — | — | WSW 14 | — | — | — | — |
| kJ | — | 16 | — | 7 | — | — | 17 | — | — | 7 | — | — | 7 | 41 | — | — | 378 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 5 | NW 6 | NW 7 | NW 7 | NW 7 | NW 8 | NW 8 | NW 7 | NW 6 | NW 7 | NW 7 | NW 7 | — | — | — | — | — | — | SSE 5 | SSE 6 | SSE 6 |
| kJ | 83 | 202 | 337 | 400 | 365 | 269 | 221 | 285 | 266 | 464 | 596 | 640 | — | — | — | — | — | — | 94 | 173 | 261 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 70 | 177 | 70 | 70 | 70 | 27 | 22 | 177 | 226 | 184 | 184 | 191 | 22 | 139 | 41 | 336 | 336 | 173 | 173 | 47 | 47 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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