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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 Tuesday 03 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
18.3° C
(Which is 1.4°C colder than average for this time of year)How big are the waves at Extensions today?
The current surf forecast for Extensions at 12PM is: 1.9m 12s primary swell from a South-southwest direction and 0.4m 18s secondary swell from a Northwest direction (forecast issued at 07:00am March 03). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Mar) | 7ft (2.1m) | 12s |
| Afternoon (03 Mar) | 5.5ft (1.7m) | 12s |
| Evening (03 Mar) | 5.5ft (1.7m) | 11s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 03 | Wednesday 04 | Thursday 05 | Fri 06 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1536 | 1316 | 1044 | 807 | 651 | 543 | 743 | 783 | 680 | 614 | 663 | 745 | 1607 | 1942 | 1853 | 1629 | 1392 | 1200 | 1025 | 928 | 798 | 756 | 792 | 639 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | cross | cross- off | glass | cross- off | cross- off | cross | on | glass | cross- off | cross- off | cross- off |
High Tide / height (m) | 3:34PM 1.54 | 3:50AM 1.67 | 4:05PM 1.53 | 4:19AM 1.65 | 4:35PM 1.49 | |||||||||||||||||||
Low Tide / height (m) | 9:34AM 0.04 | 9:40PM 0.03 | 10:05AM 0.03 | 10:10PM 0.04 | 10:35AM 0.05 | 10:38PM 0.09 | ||||||||||||||||||
Tuesday 03 | Wednesday 04 | Thursday 05 | Fri 06 | |||||||||||||||||||||
| Sunrise | - | 6:33 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:20 | - | - | - | - | - | - | - | 7:19 | - | - | - | - | - | - | - | 7:17 | - | - | - |
 |  | | | | | | | | | | | | | | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 20 | 19 | 19 | 19 | 18 | 19 | 20 | 21 | 20 | 20 | 19 | 19 |
| Feels °C (?) | 15 | 15 | 15 | 15 | 16 | 17 | 17 | 17 | 17 | 17 | 18 | 20 | 20 | 19 | 20 | 20 | 18 | 18 | 19 | 20 | 21 | 20 | 18 | 19 |
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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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