Extensions Surf Break

Lat Long: 34.34° S 18.46° E

Extensions 48 hour detailed Surf Forecast

Issued: 1 am 25 Aug 2026 (local time)

Forecast update in  hr  min

Today's Extensions sea temperature is
14.8°C
1.0° 

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 (25 Aug):

  • Morning surf: Morning surf (25 Aug, local time) - 8ft (2.5m), 14s period with SW swell.
  • Afternoon surf: Afternoon surf (25 Aug, local time) - 8ft (2.4m), 14s period with SW swell.
  • Evening surf: Evening surf (25 Aug, local time) - 6.5ft (2.0m), 13s period with WSW swell.

The current surf forecast for Extensions at 5AM is: 2.5m 14s primary swell from a Southwest direction and 0.6m 11s secondary swell from a West direction (forecast issued at 01:00am August 25). An open ocean swell of 1.2m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (25 Aug)8ft (2.5m)14s
Afternoon (25 Aug)8ft (2.4m)14s
Evening (25 Aug)6.5ft (2.0m)13s

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


Short Range Forecast

Mostly dry. Warm (max 21°C on Wed afternoon, min 12°C on Tue morning). Winds decreasing (near gales from the SE on Tue afternoon, light winds from the NNE by Wed night).

Tuesday
25
Wednesday
26
Thursday
27
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
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
1
1
1
1
0
0
0
0
0
1
1
2
3
3
3
3
3
2
1
0
0
0
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.4
SW
14
2.5
SW
14
2.5
SW
14
2.4
SW
14
2.5
SW
14
2.2
WSW
14
2.1
WSW
13
1.9
WSW
13
1.8
WSW
13
1.6
WSW
13
1.6
WSW
13
1.4
WSW
13
1.3
WSW
12
1.3
WSW
12
1.2
WSW
12
1.1
WSW
12
1.3
SSW
11
1.5
SSW
11
1.4
SSW
12
1.4
SSW
12
1.4
SSW
11
1.5
S
11
1.5
S
11
1.4
S
11
Wave Graph
Metric surfscale
Energy kJ
2350
2458
2471
2323
2506
1831
1493
1303
1093
824
812
669
551
466
419
390
446
521
532
532
522
563
536
475
Wind (km/h)
35
SE
40
SE
40
SE
40
SE
45
SE
55
SE
55
SE
55
ESE
55
ESE
55
ESE
45
E
40
E
30
ESE
30
ESE
20
ESE
15
E
5
NNE
15
NNW
20
NW
20
NW
25
WNW
20
W
15
WSW
5
S
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
off
off
cross-off
cross-on
cross-on
cross-on
on
on
on
cross
High Tide
1:41AM1.24m
2:09PM1.31m
2:14AM1.33m
2:37PM1.42m
2:44AM1.41m
3:05PM1.52m
Low Tide
8:00AM0.31m
8:17PM0.34m
8:28AM0.21m
8:47PM0.25m
8:55AM0.14m
9:15PM0.16m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:13
7:13
7:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:22
6:22
6:22
 mm
Temp °C
12
12
12
14
16
15
15
13
13
13
13
14
18
21
21
19
19
19
19
18
18
17
16
15
Feels °C
5
5
4
6
7
5
6
3
4
4
5
7
13
17
18
16
18
16
15
13
13
14
14
15
  • 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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