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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 21 Feb 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
16.5° C
(Which is 3.5°C colder than average for this time of year)How big are the waves at Extensions today?
The current surf forecast for Extensions at 2PM is: 0.6m 13s primary swell from a West-northwest direction and 0.6m 10s secondary swell from a Southwest direction (forecast issued at 07:00am February 21). An open ocean swell of 1.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Feb) | 2.5ft (0.8m) | 10s |
| Afternoon (21 Feb) | 2ft (0.6m) | 13s |
| Evening (21 Feb) | 2ft (0.6m) | 13s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | Tue 24 | |||||||||||||||||||||
| 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 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 140 | 134 | 116 | 116 | 114 | 114 | 114 | 114 | 113 | 111 | 142 | 226 | 232 | 362 | 382 | 364 | 397 | 390 | 384 | 414 | 319 | 314 | 309 | 597 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross | cross | cross- on | on | on | cross- on | glass | on | cross- on | cross- on | cross- on | on | on | on | on | cross- on |
High Tide / height (m) | 5:48PM 1.41 | 6:05AM 1.53 | 6:29PM 1.30 | 6:48AM 1.40 | 7:19PM 1.17 | |||||||||||||||||||
Low Tide / height (m) | 11:44AM 0.10 | 11:47PM 0.16 | 12:24PM 0.19 | 12:27AM 0.28 | 1:11PM 0.32 | 1:17AM 0.42 | ||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tue 24 | |||||||||||||||||||||
| Sunrise | - | 6:24 | - | - | - | - | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:26 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:32 | - | - | - | - | - | - | - | 7:31 | - | - | - | - | - | - | - | 7:30 | - | - | - |
 |  | | | | | | | | | | | | | | | | | |  | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 21 | 22 | 23 | 22 | 24 | 23 | 22 | 20 | 19 | 21 | 21 | 20 | 20 | 20 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 |
| Feels °C (?) | 18 | 19 | 21 | 21 | 20 | 21 | 21 | 24 | 20 | 18 | 20 | 19 | 18 | 21 | 22 | 18 | 19 | 19 | 20 | 19 | 19 | 19 | 20 | 20 |
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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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