Extensions surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 1 pm Sunday 23 Nov 2025 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
16.6° C
(Which is 1.5°C colder than average for this time of year)


How big are the waves at Extensions today?

The current surf forecast for Extensions at 7PM is: 1.4m 16s primary swell from a Southwest direction and 1.4m 12s secondary swell from a Southwest direction (forecast issued at 01:00pm November 23). An open ocean swell of 1.5m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (23 Nov)5ft (1.6m)12s
Afternoon (23 Nov)3.5ft (1.1m)16s
Evening (23 Nov)4.5ft (1.4m)16s

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

Updates in  hr  min  s Forecast update imminent
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
1
1
1
1
1
2
2
2
2
1
1
1
0
1
0
1
2
3
3
2
1
1
1
1
Swell
Height Map
Wave Height (m) & direction (?)
1.6
SW
1.1
SW
2
SSW
1.4
SW
1.9
SW
2.2
SW
1.9
SW
1.9
SW
1.9
SW
2.2
SW
1.9
SW
1.9
SW
1.7
WSW
1.8
SW
1.7
SW
1.6
SW
1.7
SW
1.7
SW
1.5
SSW
2
SSW
2.5
SW
2.4
SW
2.1
SW
2.1
SW
Period(s) (?)121611161615151514141314131313131212161514141313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)6386611045929167222261641157615121956121812559321083976865841813109617122590205015411387
Wind
(km/h)
40
SE
40
SE
40
SSE
40
SSE
35
SE
30
SE
30
SE
30
SE
30
SSE
40
SSE
40
SSE
40
SE
45
SE
40
SE
40
SE
30
ESE
25
SE
20
SE
20
SE
30
SSE
40
SSE
40
SSE
35
SSE
35
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
4:40PM
1.32
5:12AM
1.28
5:16PM
1.26
5:52AM
1.23
5:56PM
1.18
6:40AM
1.20
Low Tide
/ height (m)
10:36AM
0.35
10:56PM
0.27
11:12AM
0.41
11:31PM
0.32
11:54AM
0.47
12:12AM
0.38
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Sunrise-------5:28-------5:28-------5:28
Sunset--7:35-------7:36-------7:37-----
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
Rain (mm)
------------------------
Temp. °C191919181818171718181817171716172121201919181818
Feels °C (?)13131312131312131313121091010131718181614131313
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Latest Updates

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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