Surf Forecasts:
How big are the waves at Underwater Point today (21 Jul):
- Afternoon surf: Afternoon surf (21 Jul, local time) - 10ft (3.0m), 14s period with SW swell.
- Evening surf: Evening surf (21 Jul, local time) - 8ft (2.5m), 13s period with SW swell.
The current surf forecast for Underwater Point at 10PM is: 2.5m 13s primary swell from a Southwest direction (forecast issued at 07:00pm July 21). An open ocean swell of 0.4m 11s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | - | - |
| Afternoon (21 Jul) | 10ft (3.0m) | 14s |
| Evening (21 Jul) | 8ft (2.5m) | 13s |
Table - waves today at Underwater Point. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Thu afternoon. Very mild (max 14°C on Tue night, min 11°C on Thu morning). Winds increasing (calm on Tue night, strong winds from the N by Thu morning). | |||||||||||||||||||
Tue 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||
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 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 18 | SW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 2802 | 2436 | 2114 | 1908 | 1550 | 1500 | 1404 | 1381 | 1209 | 1200 | 893 | 920 | 964 | 999 | 1034 | 972 | 1350 | 8321 | 9588 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | cross | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | off | off | cross-off |
High Tide | 8:35PM1.19m | 9:19AM1.00m | 9:42PM1.11m | 10:47AM0.97m | |||||||||||||||
Low Tide | 2:07PM0.50m | 3:13AM0.51m | 3:11PM0.60m | 4:33AM0.55m | 4:45PM0.64m | ||||||||||||||
 |  | |  | | | | | | | | | |  |  | | |  | | |
 | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — |
 | 5:57 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:59 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 3 | 2 | 1 | — |
Temp °C | 14 | 14 | 14 | 14 | 14 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 12 | 11 | 12 | 13 | 13 | 13 | 14 |
Feels °C | 13 | 13 | 12 | 12 | 13 | 10 | 11 | 9 | 9 | 10 | 9 | 7 | 6 | 3 | 5 | 12 | 12 | 12 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 18 | SW 16 |
| kJ | 2802 | 2436 | 2114 | 1908 | 1550 | 1500 | 1404 | 1381 | 1209 | 1200 | 893 | 920 | 964 | 999 | 1034 | 972 | 1350 | 8321 | 9588 |
Swell 2 Height (m) Direction Period (s) | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 12 | S 12 | SSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 19 | WSW 13 | ESE 12 |
| kJ | 32 | 31 | 31 | 30 | 18 | 18 | 72 | 165 | 204 | 145 | 386 | 294 | 311 | 138 | 196 | 199 | 1077 | 201 | 57 |
Swell 3 Height (m) Direction Period (s) | W 9 | — | — | — | — | — | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | N 5 | WSW 13 | — | — |
| kJ | 14 | — | — | — | — | — | 12 | 12 | 12 | 12 | 18 | 18 | 17 | 17 | 17 | 33 | 195 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NW 3 | NW 3 | NW 4 | NNW 4 | NNW 5 | NW 6 | NW 6 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 2 | 5 | 13 | 28 | 69 | 176 | 114 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 3 | 13 | 0 | 6 | 0 | 2 | 2 | 2 | 2 | 2 | 30 | 35 | 35 | 35 | 242 | 2 | 0 | 0 | 13 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Underwater Point surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest