Surf Break

Lat Long: 34.34° S 18.46° E

Extensions 48 hour detailed Surf Forecast

Issued: 1 pm 27 Sep 2026 (local time)

Forecast update in  hr  min

Today's Extensions sea temperature is
15.0°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 (27 Sep):

  • Morning surf: Morning surf (27 Sep, local time) - 8ft (2.5m), 14s period with SSW swell.
  • Afternoon surf: Afternoon surf (27 Sep, local time) - 8ft (2.5m), 14s period with SSW swell.
  • Evening surf: Evening surf (27 Sep, local time) - 5ft (1.6m), 13s period with WSW swell.

The current surf forecast for Extensions at 8PM is: 1.6m 13s primary swell from a West-southwest direction (forecast issued at 01:00pm September 27). An open ocean swell of 2.1m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (27 Sep)8ft (2.5m)14s
Afternoon (27 Sep)8ft (2.5m)14s
Evening (27 Sep)5ft (1.6m)13s

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


Short Range Forecast

Mostly dry. Warm (max 24°C on Wed morning, min 11°C on Tue morning). Winds decreasing (gales from the SE on Mon afternoon, light winds from the ESE by Wed morning).

Sun
27
Monday
28
Tuesday
29
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
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
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
SSW
14
2.5
SSW
14
2.5
SSW
13
1.6
WSW
13
1.6
WSW
13
1.5
WSW
13
1.3
WSW
13
1.3
WSW
13
1.1
WSW
13
1.1
WSW
12
1.1
WSW
12
1
WSW
12
0.9
WSW
12
0.9
WSW
12
0.9
WSW
12
0.7
SW
14
0.7
SW
14
0.8
SW
13
1
SW
13
1.1
SW
13
1
SW
13
Wave Graph
Metric surfscale
Energy kJ
2967
2742
2381
875
875
734
578
489
395
383
365
299
222
218
215
189
184
253
335
369
321
Wind (km/h)
40
SE
40
SSE
45
SE
45
SE
45
SE
45
SE
50
SE
50
ESE
50
SE
55
SE
60
SE
55
ESE
50
ESE
40
ESE
40
ESE
40
ESE
35
ESE
35
ESE
40
ESE
35
ESE
35
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
cross-off
off
off
off
off
off
cross-off
cross-off
cross-off
off
High Tide
3:30PM1.69m
3:51AM1.55m
4:03PM1.68m
4:25AM1.51m
4:38PM1.62m
Low Tide
9:19AM0.05m
9:46PM-0.02m
9:52AM0.05m
10:19PM-0.00m
10:26AM0.10m
10:55PM0.06m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
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—
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—
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6:28
—
—
—
—
—
—
—
6:26
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
6:45
—
—
—
—
—
—
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6:45
—
—
—
—
—
—
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6:46
—
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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Temp °C
13
13
13
13
13
13
13
13
14
15
16
14
12
12
12
11
16
21
22
20
18
Feels °C
5
5
4
4
4
4
3
3
4
4
4
3
2
4
5
3
10
14
15
13
12
  • 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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