Margaret River - South Side Surf Break

Lat Long: 33.98° S 114.98° E

Margaret River - South Side Surf Forecast and Surf Report

Issued: 1 am 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Margaret River - South Side sea temperature is
18.3°C
1.2° 

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 5 Sep 2026:

  • Best quality surf: Sunday 6 Sep, 5AM (local time) - 11ft (3.5m), 12s period, SW swell with cross-offshore winds.
  • Most powerful swell: Sunday 6 Sep, 11PM (local time) - 15ft (4.5m), 17s period, SW swell with 11,707 kJ wave energy.
  • Next surfable swell (1★+): Sunday 6 Sep, 5AM (local time) - 11ft (3.5m), 12s period with SW 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 Sunday (Sep 06) at 5AM. The primary swell is predicted to be 3.5m and 12s period with a secondary swell of 0.4m and 21s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Margaret River - South Side in the next 16 days are 4.5m 17s and forecast to arrive on Sunday (Sep 06) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 9s period and expected on Sunday (Sep 06) at 5AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Sun 6th Sep)11ft (3.5m) 12s
Best Surf 5AM (Sun 6th Sep)11ft (3.5m) 12s
Most Powerful11PM (Sun 6th Sep)15ft (4.5m) 17s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Sat afternoon. Very mild (max 17°C on Sat afternoon, min 11°C on Sun night). Winds decreasing (fresh winds from the S on Sat night, light winds from the ESE by Sun night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 20°C on Tue afternoon, min 11°C on Tue morning). Wind will be generally light.

Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
3
!
!
!
!
!
!
!
!
!
!
5
3
3
3
4
3
3
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3.5
SW
14
3
WSW
13
3
SW
10
3.5
SW
12
4.5
SW
17
4.5
SW
17
3.5
SW
16
3.5
SW
16
4
SW
16
4
SW
16
4
SW
16
3.5
SW
16
3.5
SW
15
3
SW
15
2.5
SW
15
2.1
SW
14
1.8
SW
14
1.9
SW
16
1.3
WSW
20
1.7
WSW
19
2.2
WSW
17
Wave Graph
Metric surfscale
Energy kJ
4435
2941
1932
3452
11279
10185
6963
6158
7277
9392
8640
6525
5250
4412
2822
1728
1253
1776
1240
1960
2855
Wind (km/h)
30
NW
25
WNW
35
SSE
30
SSE
30
SSE
15
ESE
15
SE
30
SSE
20
ESE
20
SE
25
SE
20
E
20
ENE
5
E
30
ENE
25
NNE
15
N
10
NE
20
NNE
20
N
25
NNW
Wind State
cross-on
on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
off
cross-off
glassy
cross-off
cross-off
cross
cross-off
cross-off
cross
cross
High Tide
5:50AM0.72m
6:59AM0.75m
7:55AM0.76m
8:44AM0.73m
00:04AM0.36m
9:28AM0.68m
11:05PM0.38m
10:07AM0.60m
10:45PM0.44m
Low Tide
2:57PM-0.00m
3:32PM-0.03m
4:06PM-0.02m
4:37PM0.03m
5:02PM0.10m
1:46AM0.36m
5:17PM0.19m
3:11AM0.33m
5:11PM0.28m
4:12AM0.30m
light rain
rain showers
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
6:33
6:31
6:30
6:28
6:26
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:04
6:04
6:05
6:06
6:06
6:07
6:07
 mm
2
4
2
9
Temp °C
16
17
15
15
15
12
14
16
13
16
20
16
16
20
18
16
18
16
18
19
17
Feels °C
10
11
10
8
7
7
10
11
7
12
15
12
12
16
15
11
14
14
14
15
16
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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