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

information circle16 Day Weather and Surf, issued 7 pm Thursday 14 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
21.2° C
(Which is 1.0°C warmer than normal for this time of year)

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 (May 15) at 2PM. The primary swell is predicted to be 4.5m 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 4.5m 15s and forecast to arrive on Friday (May 15) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Thursday (May 21) at 8AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Fri 15th May)15ft (4.5m) 15s
Best Surf 2PM (Fri 15th May)15ft (4.5m) 15s
Most Powerful 2PM (Fri 15th 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

Moderate rain (total 10mm), heaviest on Thu night. Very mild (max 18°C on Thu night, min 15°C on Fri morning). Winds decreasing (fresh winds from the SW on Fri morning, light winds from the WSW by Sat night).

Days 5-7 Weather Summary

Mostly dry. Very mild (max 18°C on Sun night, min 14°C on Wed morning). Wind will be generally light.

Friday
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thu
21
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
0
!
!
3
3
3
2
2
4
3
3
4
5
3
4
4
3
4
4
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
4.5
SW
14
4.5
SW
14
4
SW
15
3.5
SW
14
3
SW
13
2.5
SW
12
2.5
SW
12
2.4
SW
12
2.3
SW
11
1.8
SW
11
1
WSW
18
2.2
SW
11
1.6
WSW
16
2.5
SW
15
2.5
SW
14
2.5
SW
14
2.4
WSW
14
2.3
SW
14
2.5
SW
14
2.5
WSW
14
2.3
WSW
14
Wave Graph
Metric surfscale
Energy kJ
7677
7848
7627
5353
3126
2077
1821
1600
1325
798
651
1234
1305
3204
2667
2541
2218
1894
2626
2412
2091
Wind (km/h)
25
SW
20
SW
10
SSW
15
SW
10
WSW
10
WSW
10
WSW
10
W
15
SSW
10
S
5
W
10
SSW
10
E
5
NNW
5
SW
10
ESE
5
E
10
SSW
10
E
5
S
20
SSE
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-off
on
cross
off
glassy
cross-on
cross-off
glassy
cross
off
glassy
cross-off
High Tide
11:07PM0.38m
8:33AM0.72m
8:56AM0.80m
9:25AM0.85m
9:59AM0.87m
10:35AM0.86m
11:10AM0.81m
11:35AM0.73m
Low Tide
00:25AM0.38m
5:05PM0.07m
6:09PM0.01m
7:22PM-0.03m
8:46PM-0.04m
10:10PM-0.04m
11:22PM-0.01m
rain showers
rain showers
rain showers
rain showers
part cloud
clear
rain showers
cloud
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
7:05
7:05
7:05
7:07
7:07
7:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:28
5:27
5:27
5:25
5:24
5:24
5:23
5:22
4
1
1
1
2
1
Temp °C
18
15
15
16
17
17
17
18
18
18
18
18
16
17
17
17
17
18
17
19
19
12
8
11
13
14
14
15
16
16
17
18
17
16
17
16
17
16
17
15
17
16
Swell 1
Height (m)
Direction
Period (s)
4.5
SW
14
4.5
SW
14
4
SW
15
3.5
SW
14
3
SW
13
2.5
SW
12
2.5
SW
12
2.4
SW
12
2.3
SW
11
1.8
SW
11
1.6
SSW
10
2.2
SW
11
2.1
SW
12
2.5
SW
15
2.5
SW
14
2.5
SW
14
2.4
WSW
14
2.3
SW
14
2.5
SW
14
2.5
WSW
14
2.3
WSW
14
Energy kJ
7677
7848
7627
5353
3126
2077
1821
1600
1325
798
500
1234
1172
3204
2667
2541
2218
1894
2626
2412
2091
Swell 2
Height (m)
Direction
Period (s)
0.1
W
24
0.3
WSW
21
0.3
WSW
21
1
S
11
1.3
SW
11
1.2
WSW
17
1.6
WSW
16
0.2
S
11
0.2
S
11
0.3
S
10
0.2
S
10
0.7
WSW
16
0.1
S
9
0.5
N
5
Energy kJ
11
90
88
247
396
789
1305
9
9
19
8
234
2
10
Swell 3
Height (m)
Direction
Period (s)
0.4
SW
21
0.7
WSW
19
1
WSW
18
0.6
S
13
0.4
S
12
0.2
S
9
Energy kJ
113
332
651
119
44
7
Wind waves
Height (m)
Direction
Period (s)
0.5
N
4
0.4
N
5
0.6
N
4
Energy kJ
9
8
13
Nearest Offshore or Glassy
Rating
(10 max)
4
7
7
5
4
4
4
4
4
4
4
4
4
5
4
4
4
4
4
4
4
Distance (km)
356
13
12
13
13
13
13
13
13
0
4
12
0
0
13
0
0
12
0
0
31
Best forecast wave conditions in Margaret River
Rating
(10 max)
7
8
5
4
4
4
4
4
4
4
4
4
5
4
4
4
4
4
4
4
Best forecast wave conditions in Australia
Rating
(10 max)
4
7
8
5
4
6
5
4
4
4
4
4
4
5
4
4
4
5
5
4
4
Header Global
Rating
(10 max)
4
5
5
5
5
4
5
5
7
6
4
4
4
5
4
4
5
5
5
5
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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