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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 pm Friday 06 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
19.1° C
(Which is slightly cooler than normal)How big are the waves at Extensions today?
The current surf forecast for Extensions at 2AM is: 3.5m 10s primary swell from a Southwest direction and 0.2m 16s secondary swell from a West-northwest direction, 0.3m 13s secondary swell from a Northwest direction (forecast issued at 07:00pm March 06). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Mar) | 13ft (4.0m) | 11s |
| Afternoon (07 Mar) | 10ft (3.0m) | 11s |
| Evening (07 Mar) | 10ft (3.0m) | 11s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 06 | Saturday 07 | Sunday 08 | Monday 09 | |||||||||||||||||||||
| 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 | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 10 | 8 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 406 | 1082 | 1141 | 2284 | 3513 | 3928 | 2035 | 1949 | 3232 | 2604 | 2375 | 2224 | 1952 | 1751 | 1562 | 1450 | 1177 | 1022 | 864 | 734 | 722 | 680 | 669 | 550 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off | cross- off |
High Tide / height (m) | 5:04PM 1.43 | 5:16AM 1.51 | 5:32PM 1.34 | 5:43AM 1.40 | 6:00PM 1.24 | 6:11AM 1.28 | ||||||||||||||||||
Low Tide / height (m) | 11:05PM 0.17 | 11:30AM 0.19 | 11:31PM 0.27 | 11:57AM 0.29 | 11:57PM 0.38 | 12:25PM 0.41 | ||||||||||||||||||
Friday 06 | Saturday 07 | Sunday 08 | Monday 09 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:39 | - | - |
| Sunset | 7:16 | - | - | - | - | - | - | - | 7:15 | - | - | - | - | - | - | - | 7:14 | - | - | - | - | - | - | - |
 |  | |  |  | |  | | |  | | | | | | | | | | | | | | | |
Rain (mm) | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 20 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 17 | 21 | 21 | 20 | 18 | 17 | 17 | 17 | 21 | 25 |
| Feels °C (?) | 15 | 14 | 11 | 8 | 9 | 9 | 9 | 8 | 7 | 6 | 6 | 6 | 5 | 5 | 10 | 13 | 11 | 10 | 10 | 10 | 11 | 11 | 16 | 18 |
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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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