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 20 Jul 2026 (local time)

Forecast update in  hr  min

Today's Margaret River - South Side sea temperature is
19.4° C
1.4° 

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 20 Jul 2026:

  • Best quality surf: Wednesday 22 Jul, 11AM (local time) - 11ft (3.5m), 15s period, SW swell with offshore winds.
  • Most powerful swell: Wednesday 22 Jul, 11AM (local time) - 11ft (3.5m), 15s period, SW swell with 5,896 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 21 Jul, 11PM (local time) - 8ft (2.5m), 13s 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 Tuesday (Jul 21) at 11PM. The primary swell is predicted to be 2.5m and 13s period with a secondary swell of 0.1m and 16s. 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 3.5m 15s and forecast to arrive on Wednesday (Jul 22) 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 0.8m 5s period and expected on Friday (Jul 24) at 11AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Tue 21st Jul)8ft (2.5m) 13s
Best Surf11AM (Wed 22nd Jul)11ft (3.5m) 15s
Most Powerful11AM (Wed 22nd Jul)11ft (3.5m) 15s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Mon night. Very mild (max 16°C on Mon night, min 11°C on Thu morning). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 18°C on Sun morning, min 12°C on Fri morning). Winds increasing (light winds from the N on Thu afternoon, strong winds from the N by Sun morning).

Mon
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
2
3
3
4
!
!
5
3
3
4
2
3
4
3
3
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)
2.3
SW
14
3
SW
12
2.5
SW
14
2.5
SW
13
3
SW
13
3.5
SW
15
3.5
SW
14
3
SW
14
2.5
SW
14
2.4
SW
14
2
SW
13
1.6
SW
12
1.6
SW
12
1.6
SW
12
1.7
WSW
13
1.7
WSW
13
1.4
WSW
12
4
SW
11
4
SW
11
4
SW
13
Wave Graph
Metric surfscale
Energy kJ
2155
2185
2775
2235
2574
5896
4932
4065
2756
1990
1346
772
700
812
890
890
554
3924
3935
5064
Wind (km/h)
25
WSW
20
SSW
15
S
15
S
10
SE
10
ESE
20
SE
15
E
15
NE
5
N
15
NE
15
NNE
10
NNE
15
NE
20
NNE
15
NNE
20
NNE
40
N
40
NNW
45
NW
Wind State
on
cross
cross
cross
cross-off
off
cross-off
off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-on
High Tide
4:32AM0.52m
4:53AM0.57m
5:31AM0.62m
6:14AM0.67m
6:57AM0.70m
7:38AM0.73m
Low Tide
5:09PM0.28m
4:14PM0.22m
4:09PM0.16m
4:22PM0.12m
4:40PM0.09m
5:01PM0.07m
5:24PM0.06m
light rain
light rain
part cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
part cloud
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:20
7:20
7:18
7:18
7:18
7:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:30
5:31
5:32
5:32
5:34
5:35
5:35
 mm
1
4
6
Temp °C
15
16
15
14
14
13
16
14
12
15
14
13
15
14
14
15
14
18
18
19
Feels °C
10
11
11
10
10
10
13
10
8
13
11
10
12
12
10
11
11
9
9
12
  • 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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