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 06 Aug 2026 (local time)

Forecast update in  hr  min

Today's Margaret River - South Side sea temperature is
20.0° C
2.6° 

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 6 Aug 2026:

  • Best quality surf: Friday 7 Aug, 2AM (local time) - 15ft (4.5m), 15s period, SW swell with cross-onshore winds.
  • Most powerful swell: Tuesday 11 Aug, 5AM (local time) - 28ft (8.5m), 16s period, SW swell with 40,512 kJ wave energy.
  • Next surfable swell (1★+): Friday 7 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 Friday (Aug 07) 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 8.5m 16s and forecast to arrive on Tuesday (Aug 11) at 5AM. 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+) 2AM (Fri 7th Aug)15ft (4.5m) 15s
Best Surf 2AM (Fri 7th Aug)15ft (4.5m) 15s
Most Powerful 5AM (Tue 11th Aug)28ft (8.5m) 16s

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


Short Range Forecast

Heavy rain (total 20mm), heaviest during Thu afternoon. Very mild (max 17°C on Thu afternoon, min 10°C on Fri night). Winds increasing (moderate winds from the SW on Thu night, near gales from the WSW by Fri night).

Days 5-7 Weather Summary

Heavy rain (total 26mm), heaviest during Mon morning. Very mild (max 16°C on Wed morning, min 9°C on Mon afternoon). Winds decreasing (near gales from the SSW on Mon night, moderate winds from the SW by Wed morning).

Thu
6
Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
Wednesday
12
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
0
!
!
!
!
0
0
0
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
WSW
16
4.5
SW
15
4.5
SW
15
4
WSW
15
6.5
SW
14
7
SW
15
7
SW
16
6
SW
17
5
SW
16
4.5
SW
15
4
SW
14
6
SW
11
6.5
SW
13
8.5
SW
16
8
SW
17
6.5
SW
17
5.5
SW
16
4.5
SW
15
4
SW
14
3.5
SW
14
Wave Graph
Metric surfscale
Energy kJ
9060
9170
7932
7394
15828
20825
24824
20764
12340
8938
5878
8446
14157
36409
34791
25596
14316
8593
7029
5302
Wind (km/h)
30
W
20
SW
25
W
40
W
50
SW
45
SSW
40
SSW
25
SW
25
SW
25
W
40
W
50
SW
50
SW
45
SSW
40
SSW
30
SW
25
SW
20
SW
20
SW
10
WSW
Wind State
on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
4:48AM0.68m
5:58AM0.74m
7:00AM0.80m
7:55AM0.84m
8:45AM0.85m
9:30AM0.82m
Low Tide
3:00PM0.14m
3:21PM0.05m
3:54PM-0.02m
4:31PM-0.07m
5:11PM-0.07m
5:49PM-0.03m
6:25PM0.04m
thunderstorm
rain showers
clear
part cloud
mod rain
rain showers
light rain
cloud
light rain
light rain
mod rain
rain showers
light rain
mod rain
part cloud
clear
light rain
rain showers
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:07
7:07
7:05
7:05
7:03
7:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:43
5:44
5:44
5:45
5:45
5:45
5:46
 mm
4
2
6
5
2
1
1
6
7
3
6
2
1
Temp °C
17
16
14
15
14
11
12
14
15
15
15
15
10
11
14
15
15
16
15
15
Feels °C
11
11
7
7
5
1
3
9
10
10
9
5
-1
1
5
7
8
12
11
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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