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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 am Thursday 09 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
19.6° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Extensions today?
The current surf forecast for Extensions at 5AM is: 1.5m 12s primary swell from a Southwest direction and 1.0m 12s secondary swell from a South direction (forecast issued at 01:00am April 09). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Apr) | 4.5ft (1.4m) | 12s |
| Afternoon (09 Apr) | 3.5ft (1.1m) | 17s |
| Evening (09 Apr) | 5ft (1.6m) | 15s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 09 | Friday 10 | Saturday 11 | ||||||||||||||||||||||
| 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 | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 12 | 12 | 12 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 617 | 563 | 593 | 593 | 542 | 633 | 823 | 1055 | 1262 | 2027 | 2004 | 1836 | 1824 | 1451 | 1280 | 1261 | 1197 | 1197 | 1266 | 1266 | 1228 | 1021 | 1086 | 944 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | off | cross- off | cross- off | cross- off | off | cross | cross | cross- on | cross- on | on | cross- on | cross | cross- off | cross- off | cross | cross- off | off | glass | cross- on | cross- off | cross- off |
High Tide / height (m) | 6:59AM 1.03 | 8:07PM 0.97 | 8:36AM 0.95 | 10:20PM 0.98 | 10:47AM 0.98 | |||||||||||||||||||
Low Tide / height (m) | 12:43AM 0.61 | 1:25PM 0.59 | 2:08AM 0.70 | 3:22PM 0.63 | 4:48AM 0.68 | 5:15PM 0.57 | ||||||||||||||||||
Thursday 09 | Friday 10 | Saturday 11 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:05 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:29 | - | - | - | - | - | - | - | 6:28 | - |
 |  | |  | | | | | | | | | |  | | | | | |  | | |  |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - |
| Temp. °C | 24 | 23 | 22 | 23 | 24 | 25 | 24 | 25 | 25 | 25 | 23 | 23 | 23 | 21 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 |
| Feels °C (?) | 23 | 23 | 21 | 21 | 23 | 23 | 22 | 23 | 24 | 23 | 20 | 21 | 22 | 20 | 20 | 21 | 20 | 20 | 19 | 20 | 21 | 18 | 18 | 18 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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