Surf Break

Lat Long: 34.34° S 18.46° E

Extensions 48 hour detailed Surf Forecast

Issued: 7 am 04 Oct 2026 (local time)

Forecast update in  hr  min

Today's Extensions sea temperature is
14.5°C
1.6° 

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 Oct):

  • Morning surf: Morning surf (04 Oct, local time) - 4ft (1.2m), 11s period with SW swell.
  • Afternoon surf: Afternoon surf (04 Oct, local time) - 5.5ft (1.7m), 13s period with SW swell.
  • Evening surf: Evening surf (04 Oct, local time) - 7ft (2.1m), 14s period with SW swell.

The current surf forecast for Extensions at 12PM is: 1.5m 12s primary swell from a Southwest direction (forecast issued at 07:00am October 04). An open ocean swell of 0.9m 7s is not directed at the surf break, a second open ocean swell of 1.4m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (SAST) & DateWave HeightWave Period
Morning (04 Oct)4ft (1.2m)11s
Afternoon (04 Oct)5.5ft (1.7m)13s
Evening (04 Oct)7ft (2.1m)14s

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


Short Range Forecast

Moderate rain (total 10mm), heaviest on Mon night. Warm (max 21°C on Sun afternoon, min 13°C on Mon night). Winds increasing (calm on Sun night, strong winds from the WSW by Mon night).

Sunday
4
Monday
5
Tuesday
6
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)
2
3
3
3
3
3
3
4
4
3
2
2
2
2
0
0
0
0
0
6
7
8
7
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)
1
W
12
1.1
SW
11
1.4
SW
12
1.6
SW
12
1.9
SW
13
2
SW
14
2.1
SW
13
2
SW
13
1.8
SW
13
1.8
SW
13
1.7
SW
12
1.5
SW
12
1.8
SW
14
2.1
WSW
14
2.1
WSW
13
1.9
WSW
13
3
WSW
13
3.5
WSW
10
2.5
WSW
17
3
WSW
16
4.5
WSW
16
4.5
WSW
16
4.5
WSW
16
Wave Graph
Metric surfscale
Energy kJ
284
303
524
824
1299
1494
1568
1326
1092
974
868
666
1285
1583
1452
1236
2907
2400
4060
4611
10546
10159
8880
Wind (km/h)
30
ESE
20
E
5
SE
5
SSW
10
S
10
S
10
S
5
SSW
5
SW
10
W
10
SW
10
WSW
20
W
20
WNW
25
NW
25
WNW
40
WSW
40
SW
30
SSW
25
S
25
S
20
SSE
25
SE
Wind State
off
off
cross-off
glassy
cross
cross
cross
glassy
glassy
on
cross-on
cross-on
on
on
cross-on
on
on
cross-on
cross-on
cross
cross
cross-off
cross-off
High Tide
9:51AM1.08m
10:36PM1.09m
11:29AM1.18m
00:00AM1.18m
12:30PM1.33m
Low Tide
3:14AM0.52m
4:21PM0.56m
5:06AM0.48m
5:56PM0.44m
6:15AM0.37m
6:52PM0.30m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
light rain
mod rain
light rain
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
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6:18
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—
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6:16
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
6:50
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—
—
—
—
—
—
6:51
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—
—
—
—
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6:52
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2
7
1
—
—
—
—
—
Temp °C
14
15
18
21
21
20
19
19
18
17
16
16
17
16
15
14
13
14
14
14
14
14
14
Feels °C
9
11
17
20
19
18
17
18
17
16
15
14
15
13
11
10
6
6
8
9
8
8
8
  • 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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