Surf Break

Lat Long: 33.98° S 114.98° E

Margaret River - South Side Surf Forecast and Surf Report

Issued: 1 am 19 Oct 2026 (local time)

Forecast update in  hr  min

Today's Margaret River - South Side sea temperature is
18.3°C
1.0° 

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 Oct 2026:

  • Best quality surf: Friday 23 Oct, 5PM (local time) - 11ft (3.5m), 15s period, SW swell with cross-onshore winds.
  • Most powerful swell: Wednesday 21 Oct, 8PM (local time) - 16ft (5.0m), 17s period, WSW swell with 14,988 kJ wave energy.
  • Next surfable swell (1★+): Friday 23 Oct, 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 Friday (Oct 23) at 5PM. The primary swell is predicted to be 3.5m and 15s 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 5.0m 17s and forecast to arrive on Wednesday (Oct 21) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Fri 23rd Oct)11ft (3.5m) 15s
Best Surf 5PM (Fri 23rd Oct)11ft (3.5m) 15s
Most Powerful 8PM (Wed 21st Oct)16ft (5.0m) 17s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Wed afternoon. Very mild (max 18°C on Wed morning, min 14°C on Wed night). Winds increasing (light winds from the WNW on Mon morning, fresh winds from the NW by Wed afternoon).

Days 4-6 Weather Summary

Light rain (total 4mm), mostly falling on Thu morning. Very mild (max 15°C on Thu morning, min 12°C on Fri night). Mainly fresh winds.

Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
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)
1
0
0
0
0
0
0
0
0
0
0
0
0
!
0
2
2
4
3
2
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
WSW
13
2.3
WSW
13
3
WSW
12
3.5
WSW
14
4.5
WSW
15
4.5
WSW
16
5
WSW
16
5
WSW
17
5
WSW
16
5
WSW
16
4.5
WSW
15
4.5
WSW
15
4
WSW
15
3.5
SW
15
3.5
SW
14
3
SW
14
3
SW
13
3
SW
13
3
SSW
13
3
SSW
12
2.4
SW
12
Wave Graph
Metric surfscale
Energy kJ
1990
1726
2571
5153
10213
10290
11873
14748
12517
10863
9006
8262
7235
5860
4590
3674
3364
3365
2947
2563
1683
Wind (km/h)
20
NW
25
WNW
25
WNW
25
NW
25
WNW
30
NW
35
NW
35
WNW
30
WSW
30
WSW
30
SW
25
SW
20
SW
20
SSW
25
SW
30
SSW
25
S
20
SSE
20
SSE
30
SSE
15
E
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
off
High Tide
1:02AM0.54m
6:14AM0.54m
9:21PM0.46m
7:16AM0.53m
8:50PM0.49m
8:13AM0.50m
8:45PM0.54m
9:15AM0.46m
8:50PM0.61m
10:30AM0.41m
9:03PM0.68m
Low Tide
2:12PM0.15m
2:22AM0.54m
2:21PM0.17m
2:23PM0.20m
1:44AM0.41m
2:23PM0.24m
2:31AM0.34m
2:23PM0.28m
3:19AM0.26m
2:19PM0.33m
4:10AM0.19m
2:00PM0.36m
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
light rain
light rain
rain showers
part cloud
cloud
part cloud
part cloud
rain showers
rain showers
cloud
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:33
—
—
5:33
—
—
5:31
—
—
5:31
—
—
5:30
—
—
5:28
—
—
5:26
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
6:36
—
—
6:37
—
—
6:37
—
—
6:37
—
—
6:38
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—
6:39
—
—
6:40
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 mm
—
—
—
—
—
—
—
1
1
1
—
—
—
—
1
2
—
—
—
—
—
Temp °C
15
16
15
16
17
17
18
18
16
15
14
14
14
14
14
13
14
13
14
15
12
Feels °C
11
12
10
11
13
12
12
12
11
8
7
7
9
9
8
5
7
7
8
8
7
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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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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