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Extensions Surf Forecast
/ Cape Town (70 surf breaks) /
Surf Forecasts:
Extensions surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 am Saturday 04 Apr 2026 SASTForecast update in hr min s Forecast update imminent
Extensions surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Extensions sea temperature is
19.5° C
(Which is slightly warmer than usual)How big are the waves at Extensions today?
The current surf forecast for Extensions at 1PM is: 1.3m 11s primary swell from a West-southwest direction and 0.3m 10s secondary swell from a South-southwest direction, 0.4m 4s secondary swell from a Southwest direction (forecast issued at 07:00am April 04). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Apr) | 4.5ft (1.4m) | 11s |
| Afternoon (04 Apr) | 4.5ft (1.3m) | 10s |
| Evening (04 Apr) | 4.5ft (1.3m) | 7s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 04 | Sunday 05 | Monday 06 | Tue 07 | |||||||||||||||||||||
| 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 | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 11 | 10 | 10 | 8 | 11 | 11 | 13 | 15 | 16 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 479 | 431 | 389 | 425 | 288 | 234 | 291 | 1385 | 2098 | 3916 | 6779 | 11184 | 11619 | 10966 | 9464 | 7808 | 7008 | 6969 | 7506 | 7114 | 6289 | 5183 | 4418 | 4233 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | on | on | on | cross- on | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 4:14AM 1.55 | 4:34PM 1.42 | 4:42AM 1.47 | 5:02PM 1.35 | 5:10AM 1.37 | 5:32PM 1.26 | ||||||||||||||||||
Low Tide / height (m) | 10:30AM 0.11 | 10:35PM 0.21 | 10:56AM 0.19 | 11:02PM 0.29 | 11:23AM 0.28 | 11:30PM 0.39 | ||||||||||||||||||
Saturday 04 | Sunday 05 | Monday 06 | Tue 07 | |||||||||||||||||||||
| Sunrise | - | 7:00 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:36 | - | - | - | - | - | - | - | 6:35 | - | - | - |
 |  | | | | | |  |  | | |  |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 16 |
| Feels °C (?) | 19 | 18 | 17 | 16 | 16 | 18 | 18 | 13 | 14 | 15 | 15 | 15 | 13 | 12 | 12 | 13 | 14 | 14 | 14 | 12 | 11 | 11 | 10 | 8 |
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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.
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