Surf Forecasts:
How big are the waves at Extensions today (27 Aug):
- Morning surf: Morning surf (27 Aug, local time) - 5ft (1.5m), 12s period with S swell.
- Afternoon surf: Afternoon surf (27 Aug, local time) - 4.5ft (1.4m), 11s period with S swell.
- Evening surf: Evening surf (27 Aug, local time) - 4.5ft (1.4m), 11s period with S swell.
The current surf forecast for Extensions at 5AM is: 1.4m 11s primary swell from a South-southwest direction and 1.0m 12s secondary swell from a West-southwest direction (forecast issued at 01:00am August 27). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Aug) | 5ft (1.5m) | 12s |
| Afternoon (27 Aug) | 4.5ft (1.4m) | 11s |
| Evening (27 Aug) | 4.5ft (1.4m) | 11s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sat afternoon. Warm (max 22°C on Thu morning, min 13°C on Sat night). Winds increasing (calm on Fri morning, strong winds from the SSW by Sat afternoon). | ||||||||||||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | ||||||||||||||||||||||
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) | SSW 11 | SSW 11 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 454 | 504 | 617 | 607 | 510 | 573 | 546 | 305 | 403 | 394 | 335 | 323 | 352 | 569 | 585 | 490 | 491 | 577 | 569 | 1145 | 1504 | 892 | 829 | 919 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross | cross-on | cross | on | cross | cross | cross | cross |
High Tide | 2:44AM1.41m | 3:05PM1.52m | 3:14AM1.47m | 3:33PM1.59m | 3:44AM1.50m | 4:01PM1.63m | ||||||||||||||||||
Low Tide | 8:55AM0.14m | 9:15PM0.16m | 9:22AM0.08m | 9:44PM0.10m | 9:49AM0.06m | 10:14PM0.07m | ||||||||||||||||||
 | |  | |  | |  | | | | | | |  | | | | | | | |  |  | | |
 | — | 7:11 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:24 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — |
Temp °C | 20 | 21 | 22 | 20 | 20 | 17 | 16 | 15 | 15 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 13 | 15 |
Feels °C | 17 | 18 | 19 | 17 | 16 | 13 | 15 | 14 | 15 | 14 | 14 | 15 | 14 | 13 | 13 | 13 | 13 | 14 | 13 | 14 | 13 | 7 | 8 | 9 |
Swell 1 Height (m) Direction Period (s) | SSW 11 | SSW 11 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 13 |
| kJ | 454 | 504 | 617 | 607 | 510 | 573 | 546 | 305 | 403 | 394 | 335 | 323 | 267 | 569 | 585 | 490 | 491 | 577 | 569 | 1145 | 1504 | 892 | 829 | 919 |
Swell 2 Height (m) Direction Period (s) | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | SSW 11 | WSW 11 | WSW 11 | WSW 16 | WSW 11 | WSW 14 | S 10 | S 10 | S 10 | S 10 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SW 9 | SSE 11 | SSE 12 |
| kJ | 322 | 274 | 265 | 256 | 229 | 221 | 180 | 186 | 126 | 123 | 280 | 121 | 352 | 210 | 167 | 133 | 130 | 248 | 189 | 90 | 91 | 186 | 74 | 52 |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 9 | SE 8 | SE 8 | WSW 16 | WSW 11 | WSW 15 | WSW 15 | WSW 11 | WSW 16 | WSW 11 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | WSW 17 | WSW 17 | SSE 13 | SE 13 | SSE 11 | S 11 | — |
| kJ | 138 | 109 | 77 | 76 | 51 | 24 | 53 | 138 | 146 | 199 | 121 | 198 | 119 | 63 | 105 | 137 | 133 | 170 | 172 | 68 | 44 | 97 | 64 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NW 3 | W 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 5 | SW 9 | SW 8 |
| kJ | — | — | — | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 60 | 457 | 446 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 1 | 1 | 3 | 5 | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 12 | 0 | 0 | 5 | 5 | 5 | 1 | 26 | 264 | 264 | 26 |
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