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 18 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 18 Jul 2026:

  • Best quality surf: Sunday 19 Jul, 11AM (local time) - 11ft (3.5m), 14s period, WSW swell with cross-onshore winds.
  • Most powerful swell: Saturday 18 Jul, 11PM (local time) - 15ft (4.5m), 15s period, WSW swell with 8,409 kJ wave energy.
  • Next surfable swell (1★+): Sunday 19 Jul, 11AM (local time) - 11ft (3.5m), 14s period with WSW 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 11AM. The primary swell is predicted to be 3.5m and 14s 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 15s and forecast to arrive on Saturday (Jul 18) at 11PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 5s period and expected on Thursday (Jul 23) at 2PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Sun 19th Jul)11ft (3.5m) 14s
Best Surf11AM (Sun 19th Jul)11ft (3.5m) 14s
Most Powerful11PM (Sat 18th Jul)15ft (4.5m) 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 Sun morning. Very mild (max 15°C on Sat afternoon, min 14°C on Sun morning). Winds decreasing (fresh winds from the W on Sat afternoon, light winds from the WNW by Sun night).

Days 5-7 Weather Summary

Mostly dry. Very mild (max 17°C on Fri morning, min 13°C on Thu morning). Winds increasing (calm on Wed morning, fresh winds from the N by Fri morning).

Sat
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
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
!
3
3
1
0
3
2
2
4
5
!
5
3
3
4
1
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)
5
WSW
16
4
WSW
15
3.5
WSW
14
3
SW
13
3
SW
13
2.5
SW
13
2.3
SW
14
2.5
SW
13
3
SW
14
2.5
SW
13
3
SW
13
3
SW
13
3.5
SW
14
3
SW
14
2.4
SW
14
2.2
SW
13
1.8
SW
13
1.8
SW
12
1.9
SW
12
1.7
SW
11
Wave Graph
Metric surfscale
Energy kJ
12392
6976
4097
3123
2576
2114
2061
2319
2925
2392
2887
3222
4479
3569
2125
1657
1092
1019
1112
754
Wind (km/h)
25
W
20
W
15
WSW
15
SSW
15
W
15
W
25
W
15
SSW
15
SSW
15
S
10
SE
5
ENE
10
S
10
ENE
15
NNE
10
N
15
NNE
30
N
30
NNW
35
WNW
Wind State
on
on
cross-on
cross-on
on
on
on
cross
cross-on
cross
cross-off
glassy
cross
cross-off
cross-off
cross
cross-off
cross
cross-on
cross-on
High Tide
9:43AM0.49m
8:19AM0.46m
4:32AM0.52m
4:53AM0.57m
5:31AM0.62m
6:14AM0.67m
Low Tide
8:50PM0.29m
6:28PM0.32m
5:09PM0.28m
4:14PM0.22m
4:09PM0.16m
4:22PM0.12m
4:40PM0.09m
cloud
part cloud
rain showers
clear
part cloud
part cloud
part cloud
rain showers
part cloud
cloud
part cloud
clear
part cloud
clear
clear
clear
part cloud
cloud
cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:20
7:20
7:20
7:20
7:18
7:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:30
5:30
5:30
5:31
5:32
5:32
5:34
 mm
3
2
9
Temp °C
15
15
15
15
15
15
15
15
14
14
14
14
15
15
14
15
15
17
18
17
Feels °C
7
9
11
10
13
10
10
10
9
10
11
13
12
13
10
10
12
11
12
11
  • 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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