Extensions Surf Break

Lat Long: 34.34° S 18.46° E

Extensions 48 hour detailed Surf Forecast

Issued: 1 pm 01 Sep 2026 (local time)

Forecast update in  hr  min

Today's Extensions sea temperature is
14.7°C
1.1° 

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 (01 Sep):

  • Morning surf: Morning surf (01 Sep, local time) - 10ft (3.0m), 13s period with SW swell.
  • Afternoon surf: Afternoon surf (01 Sep, local time) - 10ft (3.0m), 13s period with SW swell.
  • Evening surf: Evening surf (01 Sep, local time) - 11ft (3.5m), 14s period with SW swell.

The current surf forecast for Extensions at 7PM is: 3.5m 13s primary swell from a Southwest direction (forecast issued at 01:00pm September 01). The wind direction is predicted to be onshore.

Time (SAST) & DateWave HeightWave Period
Morning (01 Sep)10ft (3.0m)13s
Afternoon (01 Sep)10ft (3.0m)13s
Evening (01 Sep)11ft (3.5m)14s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Thu afternoon. Very mild (max 15°C on Wed afternoon, min 13°C on Tue afternoon). Winds increasing (light winds from the S on Wed afternoon, near gales from the SE by Thu night).

Tue
1
Wednesday
2
Thursday
3
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)
5
4
5
4
5
5
5
5
4
4
3
4
4
4
4
4
2
0
0
0
0
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)
3
SW
13
3
SW
13
3.5
SW
13
3.5
SW
14
3.5
SW
14
3.5
SW
14
3.5
SW
14
3.5
SW
14
3
SW
13
3
SW
13
3
SW
13
2.5
SW
13
2.4
WSW
13
2.3
WSW
13
2.1
WSW
13
2
WSW
13
3.5
S
9
1.5
WSW
12
1.4
WSW
12
1.3
WSW
12
1.2
WSW
12
Wave Graph
Metric surfscale
Energy kJ
3112
3415
3905
4292
4356
4247
4111
3845
3471
3000
2837
2528
1939
1700
1481
1227
1797
656
557
469
380
Wind (km/h)
5
WSW
15
WSW
10
WSW
10
WSW
10
SSW
5
SSE
10
SE
10
SE
10
S
5
S
10
SSW
10
SE
10
E
10
NNE
10
NNE
10
ENE
35
SE
55
SE
50
SE
55
SE
55
SE
Wind State
glassy
cross-on
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
5:38PM1.52m
6:00AM1.32m
6:18PM1.41m
6:47AM1.20m
7:10PM1.28m
Low Tide
11:22AM0.17m
11:55PM0.19m
11:59AM0.27m
00:39AM0.30m
12:45PM0.40m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
light rain
rain showers
light rain
cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
7:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:27
6:28
6:28
 mm
1
1
4
Temp °C
13
13
14
14
14
14
14
14
14
14
15
15
14
14
14
13
13
13
14
15
14
Feels °C
12
10
12
12
13
13
13
13
12
13
14
14
13
13
13
12
7
3
4
4
3
  • 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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