Margaret River - South Side surfForecast / WA – Margaret River / Australia

information circle16 Day Weather and Surf, issued 7 am Monday 11 May 2026 AWST
Forecast update in hr  min  s Forecast update imminent
Margaret River - South Side surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Margaret River - South Side sea temperature is
20.8° C
(Which is slightly warmer than usual)

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 Tuesday (May 12) at 8PM. The primary swell is predicted to be 3.5m and 14s period with a secondary swell of 0.5m and 13s. Another secondary swell of 0.7m and 5s is also forecast. 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 15s and forecast to arrive on Wednesday (May 13) at 5AM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Tue 12th May)11ft (3.5m) 14s
Best Surf 8PM (Tue 12th May)11ft (3.5m) 14s
Most Powerful 5AM (Wed 13th May)15ft (4.5m) 15s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Wed afternoon. Warm (max 21°C on Mon morning, min 16°C on Wed night). Winds decreasing (fresh winds from the N on Mon morning, light winds from the SSW by Wed night).

Days 4-6 Weather Summary

Light rain (total 9mm), mostly falling on Sat morning. Very mild (max 18°C on Sat morning, min 14°C on Sat night). Winds increasing (light winds from the WSW on Thu morning, fresh winds from the SW by Sat morning).

Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sunday
17
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
1
1
1
3
!
0
0
!
!
!
0
!
!
0
0
2
3
4
4
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
WSW
13
1.3
WSW
13
2
WSW
12
2.5
WSW
13
3
WSW
14
4.5
WSW
15
4.5
WSW
15
4
WSW
14
4
WSW
14
3.5
SW
13
3.5
SW
13
4
SW
13
4
SW
13
4
SW
14
3.5
SW
13
3
SW
13
2.5
SW
12
2.5
SSW
12
2.3
SW
11
2.2
SSW
11
2.1
SSW
11
Wave Graph
Metric surfscale
Energy kJ
476
560
1164
1961
3699
8658
8415
7225
5182
4240
3668
5636
5169
6044
3933
2740
1883
1857
1304
1220
1043
Wind (km/h)
35
N
30
N
25
N
25
NNW
20
NNW
20
N
30
NW
30
SSW
15
SW
20
WSW
20
WSW
25
SW
20
SSW
20
SW
25
WSW
30
SSW
25
S
15
SSE
15
SE
15
SSE
10
E
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
off
High Tide
9:35AM0.48m
5:36PM0.49m
8:19AM0.51m
7:16PM0.45m
8:10AM0.57m
8:52PM0.41m
8:16AM0.64m
11:07PM0.38m
8:33AM0.72m
8:56AM0.80m
9:25AM0.85m
Low Tide
2:00PM0.47m
1:14AM0.23m
2:31PM0.37m
1:20AM0.28m
3:17PM0.26m
1:16AM0.34m
4:08PM0.16m
00:25AM0.38m
5:05PM0.07m
6:09PM0.01m
7:22PM-0.03m
clear
clear
clear
clear
clear
part cloud
cloud
thunderstorm
part cloud
part cloud
part cloud
rain showers
rain showers
cloud
rain showers
light rain
cloud
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:01
7:01
7:03
7:03
7:03
7:05
7:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:30
5:30
5:29
5:28
5:27
5:27
5:25
2
3
1
2
3
Temp °C
21
21
20
21
21
20
21
20
17
16
16
17
16
16
17
18
17
15
15
16
15
15
15
16
17
17
19
17
16
14
12
10
12
11
12
11
12
12
10
13
13
13
Swell 1
Height (m)
Direction
Period (s)
1.2
WSW
13
1.3
WSW
13
2
WSW
12
2.5
WSW
13
3
WSW
14
4.5
WSW
15
4.5
WSW
15
4
WSW
14
4
WSW
14
3.5
SW
13
3.5
SW
13
4
SW
13
4
SW
13
4
SW
14
3.5
SW
13
3
SW
13
2.5
SW
12
2.5
SSW
12
2.3
SW
11
2.2
SSW
11
2.1
SSW
11
Energy kJ
476
560
1164
1961
3699
8658
8415
7225
5182
4240
3668
5636
5169
6044
3933
2740
1883
1857
1304
1220
1043
Swell 2
Height (m)
Direction
Period (s)
0.6
WSW
16
0.7
WSW
15
0.2
SSW
16
1
WSW
16
0.5
SSW
13
0.3
SSW
12
2
SSW
13
0.2
WSW
24
0.4
WSW
21
0.4
SW
21
0.8
WSW
20
Energy kJ
196
225
25
547
93
29
1230
54
180
117
490
Swell 3
Height (m)
Direction
Period (s)
0.6
WSW
16
0.6
W
12
0.1
W
18
0.4
WSW
21
Energy kJ
198
103
6
178
Wind waves
Height (m)
Direction
Period (s)
2
NNW
6
2
NNW
7
1.7
NNW
6
1
N
6
0.9
NNW
6
Energy kJ
300
361
207
64
50
Nearest Offshore or Glassy
Rating
(10 max)
2
3
4
4
4
4
6
3
5
5
5
3
5
6
3
3
2
4
4
4
4
Distance (km)
151
135
135
42
38
94
194
356
12
13
13
45
13
13
97
1689
97
12
0
0
0
Best forecast wave conditions in Margaret River
Rating
(10 max)
4
4
5
5
5
4
5
6
4
4
4
4
Best forecast wave conditions in Australia
Rating
(10 max)
4
3
4
4
4
5
6
4
5
5
5
4
5
7
5
4
4
5
4
4
4
Header Global
Rating
(10 max)
6
5
5
9
9
8
9
5
6
5
5
7
5
5
5
5
4
5
5
4
4
  • 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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