Margaret River - South Side Surf Break

Lat Long: 33.98° S 114.98° E

Margaret River - South Side Surf Forecast and Surf Report

Issued: 7 am 10 Sep 2026 (local time)

Forecast update in  hr  min

Today's Margaret River - South Side sea temperature is
18.0°C
1.0° 

Margaret River - South Side surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Margaret River - South Side surf forecast from 10 Sep 2026:

  • Best quality surf: Sunday 13 Sep, 8PM (local time) - 13ft (4.0m), 14s period, WSW swell with onshore winds.
  • Most powerful swell: Monday 14 Sep, 11AM (local time) - 13ft (4.0m), 14s period, SW swell with 6,596 kJ wave energy.
  • Next surfable swell (1★+): Thursday 10 Sep, 8PM (local time) - 6.5ft (2.0m), 15s period with WSW swell.

Best Forecast Surf Conditions for Margaret River - South Side this week:

The surf forecast for Margaret River - South Side over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 10) at 8PM. The primary swell is predicted to be 2.0m and 15s period with a secondary swell of 0.7m and 21s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Margaret River - South Side in the next 16 days are 4.0m 14s and forecast to arrive on Monday (Sep 14) at 11AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Friday (Sep 11) at 8AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Thu 10th Sep)6.5ft (2.0m) 15s
Best Surf 8PM (Sun 13th Sep)13ft (4.0m) 14s
Most Powerful11AM (Mon 14th Sep)13ft (4.0m) 14s

Table - best surf conditions forecast for Margaret River - South Side over the next 16 days.


Short Range Forecast

Light rain (total 4mm), mostly falling on Fri night. Very mild (max 18°C on Thu afternoon, min 12°C on Thu morning). Winds increasing (light winds from the NNW on Thu afternoon, fresh winds from the NW by Fri night).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 19°C on Tue afternoon, min 12°C on Tue morning). Winds increasing (light winds from the W on Mon afternoon, fresh winds from the S by Tue afternoon).

Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
3
3
3
2
0
0
0
0
0
0
!
!
!
!
!
3
4
3
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.1
SW
14
2
WSW
15
2.2
WSW
15
2.1
WSW
16
3
WSW
18
2.5
WSW
16
3.5
WSW
16
2
WSW
15
1.9
WSW
14
3
WSW
14
3.5
WSW
15
4
WSW
14
4
SW
14
4
SW
14
3.5
SW
14
3.5
SW
14
3
SW
14
2.5
SW
14
2.5
SW
16
2.5
SW
16
2.4
WSW
15
Wave Graph
Metric surfscale
Energy kJ
1785
1737
2070
2172
4724
3721
5573
1809
1463
2962
5952
5336
6596
6058
5046
4590
3863
2775
3499
3219
2378
Wind (km/h)
25
NNE
15
NNW
20
ENE
30
NNE
25
N
35
NW
25
W
20
W
25
WNW
25
WNW
20
WNW
10
SSE
15
ESE
15
SSE
20
E
10
S
25
SSE
10
ESE
10
SW
15
WSW
10
WNW
Wind State
cross-off
cross
cross-off
cross-off
cross
cross-on
on
on
on
cross-on
on
cross-off
off
cross-off
off
cross
cross-off
cross-off
cross-on
cross-on
cross-on
High Tide
9:28AM0.68m
11:05PM0.38m
10:07AM0.60m
10:45PM0.44m
10:42AM0.50m
10:37PM0.51m
11:06AM0.41m
10:36PM0.57m
10:27AM0.32m
10:42PM0.62m
10:56PM0.65m
11:18PM0.66m
Low Tide
5:17PM0.19m
3:11AM0.33m
5:11PM0.28m
4:12AM0.30m
4:29PM0.34m
5:10AM0.29m
3:31PM0.34m
6:18AM0.30m
2:31PM0.30m
1:40PM0.24m
1:47PM0.18m
clear
clear
part cloud
part cloud
cloud
rain showers
clear
clear
part cloud
cloud
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
6:24
6:22
6:22
6:20
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:07
6:07
6:08
6:09
6:09
6:10
 mm
4
Temp °C
15
18
16
17
18
18
16
16
16
16
17
17
16
18
16
18
19
16
17
17
16
Feels °C
10
14
12
11
13
13
11
12
11
11
12
14
14
17
14
16
14
15
16
17
16
  • 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
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Information about the Margaret River - South Side Surf forecast

The above surf forecast table for Margaret River - South Side provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Margaret River - South Side can be found by selecting the local surf guide option on the grey menu. Our Margaret River - South Side surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Margaret River - South Side) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Margaret River - South Side may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Margaret River - South Side is 93 km (58 miles) from the city of Bunbury. If you plan a holiday in Margaret River, look for hotels and other accommodation in Bunbury. Bunbury has rooms for a wide range of budgets as well as car hire and transport links.

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