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 19 Sep 2026 (local time)

Forecast update in  hr  min

Today's Margaret River - South Side sea temperature is
18.3°C
1.2° 

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 19 Sep 2026:

  • Best quality surf: Sunday 20 Sep, 5PM (local time) - 11ft (3.5m), 15s period, SW swell with cross-shore winds.
  • Most powerful swell: Friday 25 Sep, 11AM (local time) - 15ft (4.5m), 19s period, SW swell with 13,610 kJ wave energy.
  • Next surfable swell (1★+): Sunday 20 Sep, 5PM (local time) - 11ft (3.5m), 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 Sunday (Sep 20) at 5PM. The primary swell is predicted to be 3.5m and 15s 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 4.5m 19s and forecast to arrive on Friday (Sep 25) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 8s period and expected on Saturday (Sep 26) at 11AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Sun 20th Sep)11ft (3.5m) 15s
Best Surf 5PM (Sun 20th Sep)11ft (3.5m) 15s
Most Powerful11AM (Fri 25th Sep)15ft (4.5m) 19s

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 Sat morning. Very mild (max 16°C on Sat afternoon, min 11°C on Sun night). Winds decreasing (near gales from the W on Sat morning, calm by Mon night).

Days 4-6 Weather Summary

Light rain (total 4mm), mostly falling on Thu night. Very mild (max 17°C on Tue afternoon, min 11°C on Wed night). Winds increasing (calm on Thu morning, fresh winds from the SSE by Thu night).

Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
AM
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
4
!
!
!
3
4
3
2
4
3
2
4
2
2
3
!
!
!
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
6.5
W
13
5
WSW
12
3.5
WSW
13
3
SW
13
3.5
SW
15
3.5
SW
15
3.5
SW
15
3
SW
15
2.5
SW
14
2.5
SW
13
3
SW
13
2.5
SW
13
2.3
SW
13
2.1
SW
12
1.9
SW
13
1.9
SW
13
2.1
SW
14
3
SW
16
4.5
SW
19
4.5
SW
17
5
SW
16
Wave Graph
Metric surfscale
Energy kJ
12631
6452
3671
3133
5138
5659
4915
4024
2801
2436
2782
2305
1645
1335
1242
1280
1541
4218
13610
11784
12305
Wind (km/h)
45
W
30
W
25
SSW
20
SSE
20
S
5
NNE
10
W
15
WSW
0
ESE
10
WSW
20
S
15
SE
15
SSW
25
S
10
SE
10
WNW
15
W
25
SSE
25
SSE
30
SSE
20
ESE
Wind State
on
on
cross-on
cross-off
cross
glassy
on
cross-on
glassy
on
cross
cross-off
cross
cross
cross-off
on
on
cross-off
cross-off
cross-off
cross-off
High Tide
4:40AM0.60m
6:07AM0.62m
6:59AM0.64m
7:42AM0.64m
10:29PM0.40m
8:22AM0.63m
10:00PM0.42m
9:03AM0.60m
9:53PM0.46m
Low Tide
2:55PM0.10m
3:14PM0.10m
3:31PM0.11m
3:43PM0.13m
3:51PM0.16m
1:15AM0.38m
3:55PM0.19m
2:25AM0.33m
3:56PM0.24m
3:22AM0.29m
light rain
light rain
light rain
cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
light rain
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:15
6:13
6:11
6:09
6:09
6:07
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:13
6:14
6:15
6:15
6:15
6:16
6:16
 mm
2
1
2
4
Temp °C
15
16
16
14
16
13
15
15
15
16
17
14
17
16
14
14
16
14
14
14
12
Feels °C
6
9
11
11
12
9
13
13
13
13
13
11
14
11
11
11
13
10
7
7
6
  • 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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