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 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Margaret River - South Side sea temperature is
17.9°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 12 Sep 2026:

  • Best quality surf: Sunday 13 Sep, 8PM (local time) - 13ft (4.0m), 14s period, WSW swell with onshore winds.
  • Most powerful swell: Sunday 13 Sep, 8PM (local time) - 13ft (4.0m), 14s period, WSW swell with 5,978 kJ wave energy.
  • Next surfable swell (1★+): Sunday 13 Sep, 8PM (local time) - 13ft (4.0m), 14s 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 Sunday (Sep 13) at 8PM. The primary swell is predicted to be 4.0m and 14s period. The wind is predicted to be onshore 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 Sunday (Sep 13) at 8PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 6s period and expected on Tuesday (Sep 15) at 11PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Sun 13th Sep)13ft (4.0m) 14s
Best Surf 8PM (Sun 13th Sep)13ft (4.0m) 14s
Most Powerful 8PM (Sun 13th Sep)13ft (4.0m) 14s

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


Short Range Forecast

Some drizzle, heaviest during Sun night. Warm (max 22°C on Tue afternoon, min 10°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 16mm), heaviest on Fri night. Warm (max 24°C on Wed afternoon, min 12°C on Fri afternoon). Winds increasing (light winds from the E on Wed night, strong winds from the S by Fri afternoon).

Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
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
!
!
!
!
5
5
4
3
3
3
1
1
2
2
0
0
0
!
!
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
WSW
13
3.5
WSW
14
3.5
WSW
14
4
SW
14
3.5
SW
14
3.5
SW
14
3
SW
14
3
SW
14
2.5
SW
14
2
SW
13
1.6
SW
13
1.7
WSW
15
1.7
WSW
14
1.7
WSW
13
1.2
WSW
17
3
WSW
15
3
WSW
15
3
WSW
15
2.4
WSW
14
4
SW
13
3.5
SW
13
Wave Graph
Metric surfscale
Energy kJ
3186
5338
5399
5650
5341
4757
4009
3777
2526
1380
878
1158
1227
975
735
3970
4504
4606
2342
5152
3776
Wind (km/h)
25
WNW
20
W
20
SSE
15
SE
20
SE
20
E
5
ESE
10
SSE
15
E
20
NNE
10
N
20
NE
30
N
25
NNW
25
NNW
25
NNW
40
S
35
SW
25
W
25
SSE
15
E
Wind State
cross-on
on
cross-off
cross-off
cross-off
off
glassy
cross-off
off
cross-off
cross
cross-off
cross
cross
cross
cross
cross
cross-on
on
cross-off
off
High Tide
11:06AM0.41m
10:36PM0.57m
10:27AM0.32m
10:42PM0.62m
10:56PM0.65m
11:18PM0.66m
11:47PM0.65m
00:26AM0.63m
4:40AM0.60m
Low Tide
3:31PM0.34m
6:18AM0.30m
2:31PM0.30m
1:40PM0.24m
1:47PM0.18m
2:09PM0.14m
2:32PM0.12m
2:55PM0.10m
cloud
cloud
light rain
clear
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
light rain
rain showers
part cloud
light rain
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:22
6:22
6:20
6:18
6:16
6:16
6:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:08
6:09
6:09
6:10
6:12
6:13
6:13
 mm
1
1
5
10
2
Temp °C
16
17
17
15
17
15
19
22
20
21
24
22
21
19
19
19
18
15
15
15
13
Feels °C
12
12
14
11
12
11
18
21
18
18
22
21
16
16
16
15
15
7
9
10
8
  • 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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