Surf Forecasts:
How big are the waves at Underwater Point today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 6ft (1.8m), 19s period with SW swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 6ft (1.9m), 18s period with SW swell.
- Evening surf: Evening surf (12 Aug, local time) - 7ft (2.1m), 17s period with SW swell.
The current surf forecast for Underwater Point at 8AM is: 1.8m 19s primary swell from a Southwest direction (forecast issued at 01:00am August 12). An open ocean swell of 1.5m 8s is not directed at the surf break, a second open ocean swell of 2.5m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 6ft (1.8m) | 19s |
| Afternoon (12 Aug) | 6ft (1.9m) | 18s |
| Evening (12 Aug) | 7ft (2.1m) | 17s |
Table - waves today at Underwater Point. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Thu afternoon, min 13°C on Wed morning). Winds decreasing (fresh winds from the E on Wed night, calm by Thu afternoon). | ||||||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | ||||||||||||||||||||||
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) | SW 21 | SW 20 | SW 19 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 21 | SW 20 | SW 17 | SW 17 | SW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2150 | 2207 | 2339 | 2344 | 2267 | 2375 | 2595 | 2135 | 1892 | 2058 | 3782 | 3538 | 3039 | 2535 | 2178 | 2049 | 2082 | 1743 | 1632 | 1475 | 1475 | 1393 | 1262 | 1226 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | off | cross-off | off | glassy | cross | cross | cross | cross | cross-on | cross | cross-on | on | cross-on | on |
High Tide | 2:48AM1.53m | 3:14PM1.62m | 3:30AM1.57m | 3:53PM1.68m | 4:09AM1.56m | 4:30PM1.69m | ||||||||||||||||||
Low Tide | 9:02AM0.02m | 9:28PM0.05m | 9:40AM-0.02m | 10:08PM0.02m | 10:16AM-0.01m | 10:46PM0.04m | ||||||||||||||||||
 | |  | | | | |  | | | | | | | | | | | | |  | | | | |
 | — | 7:28 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:14 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 13 | 14 | 17 | 20 | 20 | 20 | 21 | 20 | 19 | 21 | 23 | 22 | 21 | 21 | 21 | 21 | 19 | 18 | 17 | 16 | 15 | 15 |
Feels °C | 4 | 5 | 8 | 10 | 14 | 17 | 13 | 12 | 16 | 15 | 15 | 18 | 21 | 21 | 18 | 17 | 16 | 17 | 14 | 13 | 12 | 13 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 21 | SW 20 | SW 19 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | WSW 16 | SW 17 | SW 17 | SW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 |
| kJ | 2150 | 2207 | 2339 | 2344 | 2267 | 2375 | 2595 | 2135 | 1892 | 2058 | 3782 | 3538 | 3039 | 2535 | 2178 | 2049 | 2082 | 1743 | 1632 | 1475 | 1475 | 1393 | 1262 | 1226 |
Swell 2 Height (m) Direction Period (s) | SSW 11 | SW 11 | SE 8 | SE 8 | SE 8 | SE 9 | S 10 | SW 21 | SW 21 | SW 20 | SE 11 | SE 11 | SE 11 | NNW 7 | SE 9 | SE 10 | ESE 9 | SE 9 | SE 11 | SE 11 | SE 11 | SE 11 | WNW 5 | WNW 5 |
| kJ | 211 | 172 | 306 | 244 | 219 | 240 | 8 | 880 | 1875 | 1976 | 297 | 198 | 174 | 57 | 71 | 57 | 76 | 40 | 40 | 41 | 30 | 31 | 22 | 20 |
Swell 3 Height (m) Direction Period (s) | — | — | SW 10 | SW 10 | SW 10 | SW 10 | — | — | S 11 | SE 11 | — | NNW 7 | NNW 7 | SE 11 | SE 12 | — | — | — | — | — | — | — | SE 11 | ESE 11 |
| kJ | — | — | 160 | 110 | 84 | 51 | — | — | 9 | 90 | — | 19 | 29 | 145 | 23 | — | — | — | — | — | — | — | 19 | 12 |
Wind waves Height (m) Direction Period (s) | SE 8 | SE 8 | ESE 8 | ESE 8 | ESE 9 | — | SE 9 | SE 8 | SE 7 | SE 10 | — | — | — | — | NNW 6 | NNW 5 | NNW 4 | NNW 4 | NW 4 | NW 4 | NW 4 | NW 5 | — | — |
| kJ | 468 | 398 | 931 | 857 | 834 | — | 294 | 353 | 268 | 400 | — | — | — | — | 46 | 21 | 22 | 13 | 16 | 17 | 21 | 19 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 26 | 26 | 18 | 0 | 0 | 0 | 26 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 24 | 2 | 2 | 35 | 20 | 3 | 2 | 2 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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