Extensions surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 7 pm Saturday 05 Jul 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
17.1° C
(Which is 1.2°C warmer than normal for this time of year)


How big are the waves at Extensions today?

The current surf forecast for Extensions at 2AM is: 3.0m 14s primary swell from a South-southwest direction and 3.0m 13s secondary swell from a West-southwest direction (forecast issued at 07:00pm July 05). The wind direction is predicted to be onshore.

Time (SAST) & DateWave HeightWave Period
Morning (06 Jul)13ft (4.0m)13s
Afternoon (06 Jul)10ft (3.0m)13s
Evening (06 Jul)11ft (3.5m)12s

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

Updates in  hr  min  s Forecast update imminent
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sun
13
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
4.5
SW
4
WSW
4
WSW
3
SSW
4
SW
4
SW
4
SW
3
SSW
3
SSW
3.5
SW
2.5
SSW
2.4
SSW
2.4
SSW
2.5
S
2.5
S
2.5
S
2.5
S
2.5
S
2.3
S
2.2
S
2.1
S
2.1
S
1.9
S
1.7
S
1.5
S
1.7
SW
1.8
SW
2.1
SW
2.4
SW
2.5
SW
3
SW
3
WSW
3.5
WSW
4
SW
4.5
SW
4.5
SW
4
SW
4
SW
4
SW
4
SW
3.5
SW
3.5
SW
4
SW
4.5
SW
5.5
SW
6
SW
6.5
SW
6.5
SW
6
SW
5.5
SW
5
SW
5
SW
4.5
SW
4
SW
4
SW
3.5
SW
3.5
SW
3.5
SW
3
SW
3
SW
Period(s) (?)141414141313131313121212121214141414141414141414131212111113141313131313131313131313141516161616151515151515141414141413
Wave
Graph
(?)Metric surfscale
Energy (?)8810775474946620600098995474543544685771337132712942272837963804347232012800275522982235202916351413140514261558181828453172340339144715611763435767538451724808472849465715942613933164962001418901168201345611653996486867532669954294764409733202760
Wind
(km/h)
35
WNW
40
W
40
W
40
W
40
W
40
WSW
35
WSW
35
WSW
25
WSW
25
WSW
20
SW
20
W
10
W
15
W
15
WNW
10
W
10
W
5
W
5
NW
10
N
5
N
10
N
10
NNW
5
W
5
WNW
5
E
10
NE
10
NW
25
NW
25
NW
30
NW
35
NW
30
NW
20
SW
20
SSW
10
SSW
5
W
5
WNW
15
WNW
25
WNW
30
WNW
35
WNW
40
NW
45
NW
50
NW
50
W
45
WSW
40
SW
30
SW
20
SSW
20
SSE
20
SE
25
SE
30
ESE
30
ESE
30
SE
35
SE
35
SE
35
SE
35
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
onononcross-
on
onononcross-
on
crosscrosscrosscrossglassglassoffcross-
off
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
glassonononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
11:43PM
1.15
12:36PM
1.07
12:40AM
1.19
1:25PM
1.14
1:28AM
1.25
2:07PM
1.22
2:10AM
1.31
2:45PM
1.29
2:49AM
1.37
3:21PM
1.36
3:26AM
1.41
3:57PM
1.42
4:03AM
1.43
4:33PM
1.47
Low Tide
/ height (m)
5:30PM
0.60
6:25AM
0.46
6:34PM
0.55
7:15AM
0.40
7:25PM
0.49
7:57AM
0.33
8:09PM
0.42
8:35AM
0.26
8:48PM
0.36
9:10AM
0.20
9:25PM
0.30
9:44AM
0.15
10:02PM
0.26
10:18AM
0.12
10:39PM
0.23
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sun
13
Sunrise-----7:52-------7:52-------7:52-------7:52-------7:50-------7:50-------7:50------
Sunset5:47-------5:49-------5:49-------5:50-------5:50-------5:51-------5:51-------5:52---
thunderstorm part cloudpart cloudrain showersrain showersrain showersrain showerslight raincloudrain showerspart cloudpart cloudrain showersrain showersclearpart cloudclearclearclearclearclearpart cloudclearclearclearclearclearclearclearclearclearclearpart cloudlight rainlight rainlight rainlight rainpart cloudclearclearclearpart cloudcloudcloudlight rainrain showersrain showerscloudclearcloudpart cloudclearclearclearclearclearclearclearclearclear
Rain (mm)
1--11211-1--11-------------------2221-------131-------------
Temp. °C151615151514141414141414131414141414131212121213141414151615151516141312121313141414141414141312121212121211101112111111
Feels °C (?)78667666888101010101011121191010911131212121010109101091011119886544432466664345333
  • 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

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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