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 pm 11 Aug 2026 (local time)

Forecast update in  hr  min

Today's Margaret River - South Side sea temperature is
19.7° C
2.4° 

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 11 Aug 2026:

  • Best quality surf: Wednesday 12 Aug, 2AM (local time) - 15ft (4.5m), 15s period, SW swell with cross-onshore winds.
  • Most powerful swell: Monday 17 Aug, 2PM (local time) - 15ft (4.5m), 17s period, WSW swell with 11,725 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 12 Aug, 2AM (local time) - 15ft (4.5m), 15s 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 Wednesday (Aug 12) at 2AM. The primary swell is predicted to be 4.5m and 15s period. The wind is predicted to be cross-onshore 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 Monday (Aug 17) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Sunday (Aug 16) at 11PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Wed 12th Aug)15ft (4.5m) 15s
Best Surf 2AM (Wed 12th Aug)15ft (4.5m) 15s
Most Powerful 2PM (Mon 17th Aug)15ft (4.5m) 17s

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


Short Range Forecast

Mostly dry. Very mild (max 16°C on Fri afternoon, min 11°C on Fri morning). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 6mm), mostly falling on Mon morning. Very mild (max 19°C on Sun afternoon, min 13°C on Fri night). Winds increasing (calm on Fri night, fresh winds from the WNW by Sun night).

Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
!
!
!
!
!
!
!
!
!
5
2
3
5
!
3
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)
4.5
SW
15
4
SW
15
4
SW
15
4
SW
15
4
SW
16
4
SW
17
4
SW
16
3.5
SW
16
3.5
SW
15
3
SW
14
2.5
WSW
14
2.5
SW
13
2.2
WSW
13
3.5
WSW
15
3
WSW
14
2.5
WSW
15
4
WSW
17
4.5
WSW
17
4
WSW
16
Wave Graph
Metric surfscale
Energy kJ
9483
7377
6892
7500
8804
9972
7675
6461
4982
3810
2816
2209
1657
4702
3985
3305
9166
11312
8170
Wind (km/h)
20
SW
15
WSW
15
WSW
0
W
5
NW
10
SW
10
E
10
NNE
5
NW
10
NE
25
N
15
NNW
10
ENE
20
NNE
20
N
30
WNW
35
WSW
20
SW
5
NNW
Wind State
cross-on
on
cross-on
glassy
cross-on
cross-on
off
cross-off
cross-on
cross-off
cross
cross
cross-off
cross-off
cross
cross-on
cross-on
cross-on
glassy
High Tide
9:30AM0.82m
10:11AM0.75m
10:46AM0.66m
1:06AM0.35m
11:06AM0.55m
00:32AM0.41m
10:38AM0.45m
00:15AM0.48m
8:34AM0.40m
00:14AM0.54m
Low Tide
6:25PM0.04m
6:52PM0.13m
6:59PM0.23m
3:24AM0.34m
6:15PM0.31m
4:52AM0.36m
5:02PM0.33m
6:23AM0.39m
4:02PM0.28m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
rain showers
rain showers
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
7:01
7:01
7:00
6:58
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:46
5:47
5:49
5:49
5:50
5:51
 mm
1
5
Temp °C
14
14
14
14
13
14
14
14
16
15
17
18
17
17
19
18
15
15
14
Feels °C
9
11
11
12
12
12
12
12
14
14
13
14
16
13
14
14
8
8
10
  • 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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