Surf Forecasts:
How big are the waves at Extensions today (14 Aug):
- Morning surf: Morning surf (14 Aug, local time) - 6ft (1.9m), 15s period with WSW swell.
- Afternoon surf: Afternoon surf (14 Aug, local time) - 6ft (1.8m), 15s period with WSW swell.
- Evening surf: Evening surf (14 Aug, local time) - 5.5ft (1.7m), 14s period with WSW swell.
The current surf forecast for Extensions at 8PM is: 1.7m 14s primary swell from a West-southwest direction and 1.1m 6s secondary swell from a Northwest direction (forecast issued at 01:00pm August 14). An open ocean swell of 0.2m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Aug) | 6ft (1.9m) | 15s |
| Afternoon (14 Aug) | 6ft (1.8m) | 15s |
| Evening (14 Aug) | 5.5ft (1.7m) | 14s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sun night, min 13°C on Sat morning). Winds decreasing (fresh winds from the NNW on Fri afternoon, calm by Sat morning). | |||||||||||||||||||||
Fri 14 | Saturday 15 | Sunday 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) | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1337 | 1475 | 1257 | 1090 | 1075 | 1196 | 1196 | 1179 | 1161 | 1144 | 1652 | 1750 | 1677 | 1581 | 1534 | 1535 | 1667 | 1851 | 2602 | 3186 | 4012 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-on | cross | cross | cross-off | glassy | off | cross-off | cross-off | cross | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:30PM1.69m | 4:46AM1.51m | 5:05PM1.64m | 5:21AM1.43m | 5:39PM1.55m | ||||||||||||||||
Low Tide | 10:16AM-0.01m | 10:46PM0.04m | 10:51AM0.05m | 11:22PM0.10m | 11:24AM0.13m | ||||||||||||||||
 | |  |  | | |  | | | | | |  | | | |  | | | | | |
 | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — |
 | — | — | 6:14 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 14 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 16 | 17 | 16 |
Feels °C | 8 | 9 | 12 | 12 | 12 | 13 | 12 | 13 | 12 | 13 | 14 | 15 | 15 | 12 | 12 | 11 | 11 | 11 | 11 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 |
| kJ | 1337 | 1475 | 1257 | 1090 | 1075 | 1196 | 1196 | 1179 | 1161 | 1144 | 1652 | 1750 | 1677 | 1581 | 1534 | 1535 | 1667 | 1851 | 2602 | 3186 | 4012 |
Swell 2 Height (m) Direction Period (s) | SE 11 | SE 11 | ESE 11 | ESE 11 | WNW 6 | WNW 6 | WNW 6 | W 6 | W 7 | W 8 | WSW 7 | ESE 9 | SE 4 | SE 4 | SE 4 | ESE 10 | ESE 10 | ESE 10 | — | — | — |
| kJ | 19 | 19 | 12 | 12 | 62 | 59 | 60 | 65 | 100 | 140 | 57 | 16 | 3 | 3 | 5 | 18 | 9 | 9 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | W 18 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | — | — | ESE 9 | ESE 10 | ESE 10 | — | — | — | — | — | — |
| kJ | — | — | — | — | 162 | 29 | 17 | 16 | 16 | 15 | — | — | 8 | 9 | 9 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 6 | NW 6 | NW 6 | NW 6 | — | — | — | — | — | — | — | — | — | — | — | NW 2 | NNW 4 | NNW 4 | NW 4 | — | — |
| kJ | 154 | 161 | 132 | 86 | — | — | — | — | — | — | — | — | — | — | — | 2 | 11 | 11 | 39 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 59 | 35 | 23 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 1 | 1 | 1 | 1 | 25 | 25 | 1 | 1 |
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 Extensions 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