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 pm 22 Aug 2026 (local time)

Forecast update in  hr  min

Today's Margaret River - South Side sea temperature is
19.1°C
1.8° 

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 22 Aug 2026:

  • Best quality surf: Sunday 23 Aug, 8PM (local time) - 11ft (3.5m), 16s period, SW swell with cross-shore winds.
  • Most powerful swell: Wednesday 26 Aug, 8AM (local time) - 18ft (5.5m), 19s period, WSW swell with 21,094 kJ wave energy.
  • Next surfable swell (1★+): Sunday 23 Aug, 8PM (local time) - 11ft (3.5m), 16s 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 (Aug 23) at 8PM. The primary swell is predicted to be 3.5m and 16s period. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Margaret River - South Side in the next 16 days are 5.5m 19s and forecast to arrive on Wednesday (Aug 26) at 8AM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Sun 23rd Aug)11ft (3.5m) 16s
Best Surf 8PM (Sun 23rd Aug)11ft (3.5m) 16s
Most Powerful 8AM (Wed 26th Aug)18ft (5.5m) 19s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Sun morning. Very mild (max 17°C on Tue morning, min 13°C on Sun night). Winds increasing (calm on Sun night, fresh winds from the NW by Tue morning).

Days 5-7 Weather Summary

Moderate rain (total 18mm), heaviest on Tue night. Very mild (max 17°C on Tue afternoon, min 11°C on Thu night). Winds decreasing (fresh winds from the NNW on Tue afternoon, light winds from the WSW by Wed morning).

Sat
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
1
2
3
!
2
0
0
0
0
0
!
!
!
!
!
4
3
2
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
SW
16
2.2
SW
14
2.5
SW
13
2.5
SW
13
3.5
SW
15
3
SW
13
2.5
SW
13
2.4
WSW
12
3.5
WSW
13
3.5
WSW
13
4
WSW
15
5.5
WSW
18
5.5
WSW
17
4.5
SW
16
4
SW
14
3.5
SW
14
3
SW
13
2.3
SW
12
2.1
SW
12
1.8
SW
11
Wave Graph
Metric surfscale
Energy kJ
3439
1891
2318
2345
5187
3045
2386
1743
3597
3635
7569
20106
16484
10377
6143
4626
2601
1602
1160
851
Wind (km/h)
20
S
15
SSW
20
SSW
20
SSW
5
SSW
15
NW
25
NW
30
NW
35
NW
35
NW
25
WSW
10
SW
20
S
25
S
25
SSE
30
SSE
15
ESE
20
SE
25
SSE
20
E
Wind State
cross
cross-on
cross
cross
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-off
cross-off
off
cross-off
cross-off
off
High Tide
6:41AM0.67m
7:27AM0.70m
8:05AM0.72m
8:40AM0.73m
9:12AM0.71m
11:38PM0.35m
9:42AM0.67m
11:19PM0.38m
Low Tide
4:03PM0.08m
4:23PM0.07m
4:42PM0.08m
4:59PM0.09m
5:11PM0.12m
5:18PM0.16m
2:07AM0.33m
5:20PM0.20m
3:17AM0.32m
part cloud
part cloud
light rain
clear
clear
part cloud
clear
part cloud
light rain
light rain
rain showers
light rain
light rain
light rain
part cloud
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:48
6:48
6:47
6:46
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:53
5:54
5:55
5:55
5:57
5:58
5:58
 mm
1
1
3
10
2
1
2
Temp °C
15
15
15
14
14
15
15
16
17
17
17
14
15
14
14
14
13
14
17
13
Feels °C
10
11
11
9
12
11
10
10
11
11
11
12
12
8
7
7
8
9
12
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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