Surf Forecasts:
How big are the waves at Extensions today (27 Jul):
- Afternoon surf: Afternoon surf (27 Jul, local time) - 13ft (4.0m), 17s period with SSW swell.
- Evening surf: Evening surf (27 Jul, local time) - 10ft (3.0m), 16s period with SW swell.
The current surf forecast for Extensions at 11PM is: 3.0m 16s primary swell from a Southwest direction (forecast issued at 07:00pm July 27). An open ocean swell of 2.4m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Jul) | - | - |
| Afternoon (27 Jul) | 13ft (4.0m) | 17s |
| Evening (27 Jul) | 10ft (3.0m) | 16s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Thu afternoon, min 12°C on Tue night). Winds decreasing (near gales from the ESE on Tue afternoon, calm by Wed afternoon). | |||||||||||||||||||
Mon 27 | Tuesday 28 | Wednesday 29 | |||||||||||||||||
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) | SSW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 7914 | 5017 | 4247 | 3375 | 2919 | 2742 | 2667 | 2630 | 2284 | 2020 | 1733 | 1591 | 1346 | 1144 | 1162 | 1280 | 1200 | 1200 | 1182 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | glassy | glassy | cross-off | cross-off |
High Tide | 2:30PM1.27m | 2:33AM1.32m | 3:03PM1.35m | 3:07AM1.38m | 3:33PM1.43m | ||||||||||||||
Low Tide | 8:36PM0.38m | 8:53AM0.23m | 9:09PM0.31m | 9:22AM0.17m | 9:40PM0.26m | ||||||||||||||
 |  | | | | | | | | | | | | | | | |  | | |
 | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — |
 | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:02 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 14 | 12 | 12 | 12 | 12 | 12 | 15 | 16 | 16 | 15 |
Feels °C | 4 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 6 | 7 | 8 | 14 | 14 | 14 | 12 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 7914 | 5017 | 4247 | 3375 | 2919 | 2742 | 2667 | 2630 | 2284 | 2020 | 1733 | 1591 | 1346 | 1144 | 1162 | 1280 | 1200 | 1200 | 1182 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 7 | SE 7 | SE 7 | SE 7 | SE 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 151 | 89 | 61 | 43 | 35 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 6 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | ESE 7 | ESE 7 | — | ESE 7 | — |
| kJ | 221 | 421 | 540 | 600 | 600 | 576 | 572 | 556 | 572 | 494 | 379 | 317 | 279 | 241 | 378 | 236 | — | 123 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 226 | 910 | 250 | 51 | 51 | 51 | 51 | 48 | 37 | 37 | 37 | 25 | 18 | 18 | 0 | 0 | 0 | 0 | 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