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Surf Forecasts:

Extensions surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 7 pm Friday 23 Jan 2026 SAST
Forecast 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
19.2° C
 (Which is 1.0°C colder than average for this time of year)

How big are the waves at Extensions today?

The current surf forecast for Extensions at 2AM is: 3.0m 13s primary swell from a South-southwest direction and 0.2m 15s secondary swell from a West-northwest direction (forecast issued at 07:00pm January 23). The wind direction is predicted to be cross-offshore and the swell rating is 5.

Time (SAST) & DateWave HeightWave Period
Morning (24 Jan)10ft (3.0m)13s
Afternoon (24 Jan)8ft (2.5m)12s
Evening (24 Jan)8ft (2.5m)12s

Table - waves today at Extensions. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Friday
23
Saturday
24
Sunday
25
Monday
26
5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM
Rating
(10 max)
3
3
3
5
4
4
3
2
2
3
3
4
4
3
3
2
2
3
2
2
3
4
3
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
3.5
SSW
3.5
SSW
3.5
SSW
3
SSW
3
SSW
3
SSW
2.5
SSW
2.5
SSW
2.5
SSW
2.5
SSW
2.5
SSW
2.4
SSW
2.3
SW
2.3
SW
2.2
SSW
2.3
SW
2.4
SSW
2.3
SW
2.3
SW
2.3
SW
2.3
SW
2.3
SW
2.3
SW
2.4
SW
Period(s) (?)131313131313131312121212121211111111111111111212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)439739023642321028902519224220332071187517221580144713981287135114251280125712571257125613481627
Wind
(km/h)
20
SSW
20
SSW
15
S
10
SSE
15
SSE
10
SE
10
S
15
SSW
20
SSW
5
SSW
5
S
10
S
15
SSE
20
SSE
20
SSE
20
S
20
S
20
SSE
25
SSE
25
SE
20
SE
15
SSE
10
SSW
15
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		crosscrosscross-
off		cross-
off		cross-
off		crosscross-
on		cross-
on		crosscrosscross-
off		cross-
off		cross-
off		cross-
off		crosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
on		cross-
on
High Tide
/ height (m)
6:09PM
1.34
6:33AM
1.48
6:53PM
1.25
7:18AM
1.40
7:47PM
1.15
8:15AM
1.31
Low Tide
/ height (m)
12:11AM
0.21
12:51PM
0.27
12:52AM
0.30
1:42PM
0.34
1:43AM
0.41
Friday
23
Saturday
24
Sunday
25
Monday
26
Sunrise-----5:58-------5:58-------6:00--
Sunset7:58-------7:57-------7:57-------
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C181818181717181920202019191919202020201919191920
Feels °C (?)151516171516171718212119191817181818171617181919
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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.

View detailed surf forecast for Extensions at:
surf-forecast.com

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