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 pm 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's Margaret River - South Side sea temperature is
17.8°C
0.8° 

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 14 Sep 2026:

  • Best quality surf: Monday 14 Sep, 11PM (local time) - 11ft (3.5m), 14s period, SW swell with offshore winds.
  • Most powerful swell: Saturday 19 Sep, 5AM (local time) - 13ft (4.0m), 14s period, WSW swell with 6,981 kJ wave energy.
  • Next surfable swell (1★+): Monday 14 Sep, 11PM (local time) - 11ft (3.5m), 14s 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 Monday (Sep 14) at 11PM. The primary swell is predicted to be 3.5m and 14s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Margaret River - South Side in the next 16 days are 4.0m 14s and forecast to arrive on Saturday (Sep 19) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 7s period and expected on Wednesday (Sep 16) at 2AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Mon 14th Sep)11ft (3.5m) 14s
Best Surf11PM (Mon 14th Sep)11ft (3.5m) 14s
Most Powerful 5AM (Sat 19th Sep)13ft (4.0m) 14s

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


Short Range Forecast

Mostly dry. Warm (max 24°C on Wed afternoon, min 10°C on Mon night). Winds increasing (calm on Tue morning, fresh winds from the NNW by Thu afternoon).

Days 5-7 Weather Summary

Heavy rain (total 21mm), heaviest during Fri night. Warm (max 20°C on Fri morning, min 13°C on Fri night). Winds decreasing (strong winds from the S on Fri afternoon, calm by Sun morning).

Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
!
5
5
4
3
3
2
1
1
1
1
3
0
0
0
0
4
3
!
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3.5
SW
14
3
SW
14
3
SW
14
2.5
SW
14
2
SW
13
1.6
SW
13
1.5
WSW
14
1.6
WSW
14
1.5
WSW
13
1.7
WSW
12
1.7
WSW
17
2.1
WSW
16
4
WSW
15
3.5
WSW
14
3
WSW
14
2.5
WSW
13
2.2
WSW
12
3
SW
14
3.5
SW
15
Wave Graph
Metric surfscale
Energy kJ
4691
4009
3619
2534
1380
865
961
971
808
800
1607
2128
6586
5387
3644
2021
1435
3372
4848
Wind (km/h)
25
E
5
ENE
15
SE
15
E
20
NNE
10
NNW
30
NE
25
NNW
30
NNW
30
N
40
NNE
30
S
35
SW
30
W
25
W
25
W
5
W
15
NW
15
NNE
Wind State
off
glassy
cross-off
off
cross-off
cross
cross-off
cross
cross
cross
cross-off
cross-off
cross-on
on
on
on
glassy
cross-on
cross-off
High Tide
10:42PM0.62m
10:56PM0.65m
11:18PM0.66m
11:47PM0.65m
00:26AM0.63m
4:40AM0.60m
Low Tide
1:40PM0.24m
1:47PM0.18m
2:09PM0.14m
2:32PM0.12m
2:55PM0.10m
3:14PM0.10m
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
light rain
heavy rain
part cloud
part cloud
part cloud
light rain
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:18
6:16
6:16
6:15
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:09
6:09
6:10
6:12
6:13
6:13
6:14
 mm
5
14
2
Temp °C
15
18
20
21
22
24
22
20
19
18
20
15
14
15
16
16
15
17
17
Feels °C
11
17
18
19
20
22
20
18
16
14
14
7
8
7
11
11
14
15
16
  • 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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