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 am 17 Jul 2026 (local time)

Forecast update in  hr  min

Today's Margaret River - South Side sea temperature is
19.6° C
1.6° 

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 17 Jul 2026:

  • Best quality surf: Wednesday 22 Jul, 8AM (local time) - 11ft (3.5m), 14s period, SW swell with cross-offshore winds.
  • Most powerful swell: Saturday 18 Jul, 2PM (local time) - 18ft (5.5m), 16s period, WSW swell with 14,063 kJ wave energy.
  • Next surfable swell (1★+): Sunday 19 Jul, 11PM (local time) - 10ft (3.0m), 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 Sunday (Jul 19) at 11PM. The primary swell is predicted to be 3.0m and 13s period with a secondary swell of 1.3m and 14s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Margaret River - South Side in the next 16 days are 5.5m 16s and forecast to arrive on Saturday (Jul 18) at 2PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Sun 19th Jul)10ft (3.0m) 13s
Best Surf 8AM (Wed 22nd Jul)11ft (3.5m) 14s
Most Powerful 2PM (Sat 18th Jul)18ft (5.5m) 16s

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


Short Range Forecast

Moderate rain (total 16mm), heaviest on Fri night. Very mild (max 18°C on Fri morning, min 14°C on Fri night). Winds decreasing (strong winds from the W on Fri night, calm by Sun night).

Days 4-6 Weather Summary

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

Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
0
0
0
0
3
3
4
3
1
0
4
3
4
!
4
4
3
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.1
WSW
12
1.9
WSW
12
4
W
13
5.5
W
12
5
WSW
16
4
WSW
15
3
WSW
14
3
WSW
13
2.5
SW
13
2.5
SW
13
2.2
SW
14
2.5
SW
13
3
SW
14
3
SW
13
3
SW
13
3.5
SW
13
3
SW
14
2.5
SW
14
2.5
SW
14
2.4
SW
13
2.3
SW
13
Wave Graph
Metric surfscale
Energy kJ
1390
1047
6057
7808
12392
6855
3985
3010
2274
1969
1902
2114
2967
2600
2929
3905
3622
2782
2323
2042
1697
Wind (km/h)
20
NNW
25
NNE
50
WNW
40
W
30
W
25
W
15
WSW
10
SW
5
W
10
NW
20
WNW
25
SSW
15
SSE
15
S
5
E
0
NNW
5
WSW
10
ENE
10
N
10
NNW
15
WNW
Wind State
cross
cross-off
cross-on
on
on
on
cross-on
cross-on
glassy
cross-on
on
cross-on
cross-off
cross
off
glassy
cross-on
cross-off
cross
cross-on
cross-on
High Tide
11:21AM0.68m
11:14AM0.57m
9:43AM0.49m
8:19AM0.46m
4:32AM0.52m
4:53AM0.57m
5:31AM0.62m
Low Tide
9:14PM0.19m
8:50PM0.29m
6:28PM0.32m
5:09PM0.28m
4:14PM0.22m
4:09PM0.16m
4:22PM0.12m
part cloud
part cloud
thunderstorm
light rain
rain showers
rain showers
rain showers
part cloud
part cloud
rain showers
rain showers
rain showers
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:22
7:22
7:20
7:20
7:20
7:20
7:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:29
5:30
5:30
5:30
5:31
5:32
5:32
 mm
8
4
1
1
2
1
2
2
Temp °C
18
18
16
14
15
15
15
15
15
14
15
16
15
15
13
12
14
14
13
15
16
Feels °C
13
12
10
4
7
8
12
11
12
12
11
11
11
11
10
11
12
12
11
13
14
  • 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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