Extensions Surf Break

Lat Long: 34.34° S 18.46° E

Extensions 48 hour detailed Surf Forecast

Issued: 1 pm 04 Aug 2026 (local time)

Forecast update in  hr  min

Today's Extensions sea temperature is
15.5° C
0.1° 

Extensions surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Extensions today (04 Aug):

  • Morning surf: Morning surf (04 Aug, local time) - 4ft (1.2m), 11s period with SW swell.
  • Afternoon surf: Afternoon surf (04 Aug, local time) - 4ft (1.2m), 11s period with SW swell.
  • Evening surf: Evening surf (04 Aug, local time) - 3.5ft (1.0m), 11s period with SW swell.

The current surf forecast for Extensions at 9PM is: 1.0m 11s primary swell from a Southwest direction and 0.6m 10s secondary swell from a West direction (forecast issued at 01:00pm August 04). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (SAST) & DateWave HeightWave Period
Morning (04 Aug)4ft (1.2m)11s
Afternoon (04 Aug)4ft (1.2m)11s
Evening (04 Aug)3.5ft (1.0m)11s

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


Short Range Forecast

Moderate rain (total 16mm), heaviest on Wed night. Very mild (max 15°C on Tue afternoon, min 12°C on Wed night). Winds decreasing (strong winds from the NW on Wed afternoon, light winds from the SW by Wed night).

Tue
4
Wednesday
5
Thursday
6
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
Rating
(10 max)
2
1
2
1
2
1
1
0
0
0
0
0
0
5
6
5
5
4
3
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
SW
11
1.2
SW
11
1.2
SW
11
1.1
SW
11
0.9
SW
10
1.1
SW
15
1.5
SW
15
2.1
SW
16
2.3
SW
16
2.4
SW
15
2.5
SW
15
3
WSW
14
3.5
WSW
14
4
WSW
13
4
WSW
13
3.5
WSW
13
3.5
WSW
13
3.5
SW
13
3.5
SW
12
3.5
SW
12
3.5
SW
13
Wave Graph
Metric surfscale
Energy kJ
382
332
326
249
180
472
936
2061
2601
2662
2614
3504
4709
5584
5164
4732
4056
3678
3339
3585
3727
Wind (km/h)
5
SSE
15
SSW
15
ESE
15
SSE
10
SE
15
N
25
N
30
NNW
35
NNW
40
NW
40
NNW
40
NNW
35
NNW
15
WSW
5
SW
10
ESE
15
SE
25
SE
30
SSE
35
SE
35
ESE
Wind State
cross-off
cross
cross-off
cross-off
cross-off
cross
cross
cross-on
cross
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
6:48PM1.41m
7:14AM1.19m
7:38PM1.32m
8:17AM1.10m
8:47PM1.24m
Low Tide
12:25PM0.28m
1:09AM0.32m
1:10PM0.38m
2:06AM0.39m
2:12PM0.48m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
cloud
mod rain
mod rain
light rain
cloud
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:35
7:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:07
6:08
 mm
7
7
2
Temp °C
15
15
15
15
15
15
13
13
14
15
15
15
14
13
12
12
12
12
12
12
12
Feels °C
14
13
14
13
14
13
8
8
8
8
9
9
8
11
11
10
9
7
6
5
5
  • 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
How to use the Wavefinder 

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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