Extensions Surf Break

Lat Long: 34.34° S 18.46° E

Extensions 48 hour detailed Surf Forecast

Issued: 7 pm 04 Sep 2026 (local time)

Forecast update in  hr  min

Today's Extensions sea temperature is
15.0°C
0.8° 

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 (05 Sep):

  • Afternoon surf: Afternoon surf (05 Sep, local time) - 2ft (0.6m), 11s period with WSW swell.
  • Evening surf: Evening surf (05 Sep, local time) - 2ft (0.6m), 11s period with WSW swell.

The current surf forecast for Extensions at 12AM is: 0.7m 11s primary swell from a West-southwest direction and 0.4m 13s secondary swell from a South-southwest direction (forecast issued at 07:00pm September 04). An open ocean swell of 3.0m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (05 Sep)--
Afternoon (05 Sep)2ft (0.6m)11s
Evening (05 Sep)2ft (0.6m)11s

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


Short Range Forecast

Mostly dry. Warm (max 24°C on Mon afternoon, min 12°C on Sat morning). Winds decreasing (gales from the ESE on Sat night, light winds from the WNW by Mon morning).

Fri
4
Saturday
5
Sunday
6
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
1
1
2
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
WSW
11
0.6
WSW
11
0.7
WSW
11
0.7
WSW
11
0.7
WSW
10
0.8
SSW
11
0.9
SSW
10
0.9
SSW
10
0.4
SW
25
0.8
SW
23
1.4
SW
22
1.9
SW
20
2.3
SW
19
2.4
SW
18
2.5
SW
18
2.2
SW
16
2.1
SW
16
2
SW
16
1.9
SW
15
Wave Graph
Metric surfscale
Energy kJ
93
93
103
101
94
133
152
137
221
773
1847
3008
3778
3672
3681
2506
2269
1904
1568
Wind (km/h)
65
SE
65
SE
60
ESE
60
ESE
60
ESE
55
ESE
60
ESE
50
ESE
65
SE
65
ESE
65
ESE
65
ESE
55
ESE
50
ESE
40
ESE
40
ESE
45
ESE
40
ESE
30
ESE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
off
off
High Tide
8:29PM1.15m
9:45AM1.03m
10:28PM1.12m
11:38AM1.11m
Low Tide
3:14AM0.51m
3:56PM0.59m
5:14AM0.48m
5:54PM0.50m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:00
6:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:30
6:30
 mm
Temp °C
14
13
13
13
13
12
14
17
17
14
14
15
14
14
16
20
21
19
16
Feels °C
1
1
1
1
1
1
2
7
5
1
1
3
4
5
9
13
14
12
11
  • 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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