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 am 04 Sep 2026 (local time)

Forecast update in  hr  min

Today's Margaret River - South Side sea temperature is
18.4°C
1.1° 

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 4 Sep 2026:

  • Best quality surf: Friday 4 Sep, 5PM (local time) - 16ft (5.0m), 14s period, SW swell with cross-onshore winds.
  • Most powerful swell: Sunday 6 Sep, 8PM (local time) - 15ft (4.5m), 17s period, SW swell with 12,124 kJ wave energy.
  • Next surfable swell (1★+): Friday 4 Sep, 5PM (local time) - 16ft (5.0m), 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 Friday (Sep 04) at 5PM. The primary swell is predicted to be 5.0m and 14s period with a secondary swell of 1.1m and 18s. 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 17s and forecast to arrive on Sunday (Sep 06) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 9s period and expected on Sunday (Sep 06) at 11AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Fri 4th Sep)16ft (5.0m) 14s
Best Surf 5PM (Fri 4th Sep)16ft (5.0m) 14s
Most Powerful 8PM (Sun 6th Sep)15ft (4.5m) 17s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Sat afternoon. Very mild (max 16°C on Sat morning, min 11°C on Sun night). Winds decreasing (fresh winds from the SSE on Sat night, light winds from the ESE by Sun night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 20°C on Tue afternoon, min 10°C on Tue night). Wind will be generally light.

Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
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
2
!
!
6
!
!
!
!
!
!
!
!
5
4
2
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
5
SW
13
5
SW
14
4.5
SW
14
3.5
SW
14
3
WSW
13
5.5
SSW
11
3.5
SW
13
2.5
SW
17
4
SW
17
4
SW
16
3.5
SW
16
4
SW
15
4
SW
16
4
SW
16
3.5
SW
16
3.5
SW
15
3
SW
15
2.5
SW
15
2.2
SW
14
2.1
WSW
14
2.2
WSW
14
Wave Graph
Metric surfscale
Energy kJ
8831
9925
8233
4581
2750
6880
4364
3863
9731
7263
6427
6589
8778
8568
6444
5256
4299
3004
2004
1748
1840
Wind (km/h)
30
SW
15
WSW
20
NW
30
NW
20
WNW
40
SSE
30
SSE
25
SSE
10
E
15
SSE
25
SSE
15
ESE
20
SE
20
SE
20
E
20
NE
5
WNW
20
ENE
25
NNE
10
N
15
NE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
glassy
cross-off
cross-off
cross
cross-off
High Tide
4:08AM0.69m
5:50AM0.72m
6:59AM0.75m
7:55AM0.76m
8:44AM0.73m
00:04AM0.36m
9:28AM0.68m
11:05PM0.38m
Low Tide
2:23PM0.05m
2:57PM-0.00m
3:32PM-0.03m
4:06PM-0.02m
4:37PM0.03m
5:02PM0.10m
1:46AM0.36m
5:17PM0.19m
3:11AM0.33m
part cloud
part cloud
part cloud
light rain
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:35
6:33
6:33
6:31
6:30
6:28
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:02
6:04
6:04
6:05
6:06
6:06
6:07
 mm
2
3
3
Temp °C
14
13
14
16
16
15
14
14
12
14
16
13
16
20
18
16
19
18
16
19
19
Feels °C
6
8
8
10
10
11
6
7
8
11
11
8
12
16
14
12
18
15
11
17
17
  • 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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