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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 1 pm Sunday 08 Mar 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
20.3° C
(Which is slightly warmer than usual)How big are the waves at Extensions today?
The current surf forecast for Extensions at 6PM is: 2.0m 12s primary swell from a South-southwest direction and 0.3m 11s secondary swell from a West direction (forecast issued at 01:00pm March 08). An open ocean swell of 2.1m 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 (08 Mar) | 8ft (2.5m) | 12s |
| Afternoon (08 Mar) | 7ft (2.2m) | 12s |
| Evening (08 Mar) | 6ft (1.9m) | 12s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 08 | Monday 09 | Tuesday 10 | Wednesday 11 | |||||||||||||||||||||
| 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 | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 15 | 15 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1679 | 1562 | 1277 | 1022 | 918 | 864 | 722 | 680 | 669 | 585 | 532 | 443 | 435 | 435 | 379 | 379 | 335 | 288 | 246 | 242 | 209 | 209 | 203 | 179 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off |
High Tide / height (m) | 6:00PM 1.24 | 6:11AM 1.28 | 6:31PM 1.12 | 6:43AM 1.15 | 7:10PM 1.01 | 7:29AM 1.02 | ||||||||||||||||||
Low Tide / height (m) | 11:57AM 0.29 | 11:57PM 0.38 | 12:25PM 0.41 | 12:25AM 0.49 | 12:59PM 0.53 | 1:01AM 0.61 | ||||||||||||||||||
Sunday 08 | Monday 09 | Tuesday 10 | Wednesday 11 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:41 |
| Sunset | - | - | 7:14 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:10 | - | - | - | - | - |
 | | |  | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 22 | 21 | 20 | 18 | 18 | 17 | 17 | 21 | 24 | 22 | 23 | 20 | 20 | 19 | 20 | 24 | 25 | 24 | 27 | 26 | 26 | 27 | 28 |
| Feels °C (?) | 12 | 16 | 13 | 11 | 11 | 12 | 12 | 13 | 16 | 18 | 15 | 15 | 13 | 14 | 13 | 16 | 20 | 21 | 21 | 24 | 23 | 24 | 25 | 26 |
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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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