Surf Forecasts:
How big are the waves at Dumps today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 7ft (2.2m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 6ft (1.8m), 14s period with SW swell.
- Evening surf: Evening surf (13 Sep, local time) - 5ft (1.6m), 13s period with SW swell.
The current surf forecast for Dumps at 3PM is: 1.8m 14s primary swell from a Southwest direction (forecast issued at 07:00am September 13). An open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 7ft (2.2m) | 14s |
| Afternoon (13 Sep) | 6ft (1.8m) | 14s |
| Evening (13 Sep) | 5ft (1.6m) | 13s |
Table - waves today at Dumps. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 41mm), heaviest during Tue night. Warm (max 22°C on Sun morning, min 12°C on Tue night). Winds increasing (calm on Sun morning, fresh winds from the NW by Tue afternoon). | |||||||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | |||||||||||||||||||||
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 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | SW 17 | SW 16 | SW 15 | WSW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 2140 | 1983 | 1550 | 1262 | 1119 | 1014 | 827 | 663 | 643 | 504 | 374 | 361 | 268 | 325 | 346 | 352 | 281 | 209 | 253 | 465 | 989 | 1628 | 3974 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | glassy | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 4:23AM1.74m | 4:37PM1.83m | 4:54AM1.67m | 5:08PM1.74m | 5:25AM1.58m | 5:38PM1.62m | |||||||||||||||||
Low Tide | 10:23AM0.31m | 10:48PM0.33m | 10:52AM0.38m | 11:17PM0.41m | 11:21AM0.48m | ||||||||||||||||||
 |  | |  | |  | | | | | | |  |  | | | |  | | | | |  | |
 | 6:48 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — |
 | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | — | — | 1 | 1 | 2 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | 1 | — | — | — | 1 | 7 |
Temp °C | 17 | 17 | 22 | 19 | 17 | 16 | 15 | 15 | 15 | 15 | 16 | 17 | 17 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 15 | 14 |
Feels °C | 16 | 17 | 23 | 18 | 17 | 16 | 14 | 14 | 13 | 13 | 13 | 12 | 13 | 11 | 12 | 12 | 11 | 12 | 11 | 9 | 11 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 17 | SW 16 | SW 15 | WSW 14 |
| kJ | 2140 | 1983 | 1550 | 1262 | 1119 | 1014 | 827 | 663 | 643 | 504 | 374 | 361 | 268 | 268 | 263 | 217 | 202 | 165 | 168 | 465 | 989 | 1628 | 3974 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SE 8 | SSE 8 | SSE 7 | S 7 | SSE 7 | SSE 7 | SSE 7 | SSE 8 | SE 8 | SE 9 | SSE 8 | SSE 8 | SE 7 | SE 13 | SE 13 | S 13 | SW 16 | SW 18 | SW 11 | SE 13 | WSW 8 | SE 13 |
| kJ | 183 | 84 | 107 | 78 | 33 | 74 | 41 | 29 | 25 | 16 | 21 | 6 | 6 | 2 | 7 | 7 | 3 | 69 | 192 | 155 | 7 | 75 | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SSE 8 | — | — | — | SE 12 | SE 11 | — | — | — | SE 13 | — | — | ESE 13 | — | — | SE 13 | — | — | — |
| kJ | — | — | — | — | 39 | — | — | — | 37 | 5 | — | — | — | 7 | — | — | 17 | — | — | 7 | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 8 | SE 8 | — | — | — | — | NNW 4 | NNW 4 | NNW 5 | NW 5 | NW 5 | NW 6 | NW 6 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 6 | NW 7 | NW 7 | NW 7 |
| kJ | 528 | 393 | — | — | — | — | 13 | 25 | 46 | 73 | 79 | 133 | 205 | 325 | 346 | 352 | 281 | 209 | 253 | 305 | 415 | 317 | 341 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 22 | 22 | 7 | 7 | 7 | 27 | 27 | 70 | 70 | 177 | 70 | 70 | 78 | 78 | 25 | 184 | 226 | 226 | 184 | 34 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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