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

information circle12 Day Weather and Surf, issued 1 am Sunday 14 Sep 2025 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
17.8° 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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 15) at 5AM. The primary swell is predicted to be 6.5m and 14s 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 12 days are 6.5m 14s and forecast to arrive on Monday (Sep 15) 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 11s period and expected on Tuesday (Sep 16) at 5AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Mon 15th Sep)21ft (6.5m) 14s
Best Surf 5AM (Mon 15th Sep)21ft (6.5m) 14s
Most Powerful 5AM (Mon 15th Sep)21ft (6.5m) 14s

Table - best surf conditions forecast for Margaret River - South Side over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 25mm), heaviest during Sun morning. Very mild (max 16°C on Tue morning, min 11°C on Sun night). Winds decreasing (near gales from the W on Sun afternoon, light winds from the W by Mon night).

Days 3-6 Weather Summary Moderate rain (total 15mm), heaviest on Wed morning. Very mild (max 17°C on Wed afternoon, min 13°C on Thu morning). Winds decreasing (strong winds from the W on Wed afternoon, light winds from the SSW by Fri night).

Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
!
!
!
0
0
0
0
0
0
0
0
0
!
!
!
5
2
4
Swell
Height Map
Wave Height (m) & direction (?)
6
W
6.5
W
6.5
WSW
6
WSW
5.5
WSW
4.5
SW
3.5
SW
3
WSW
3.5
WSW
3.5
WSW
3
WSW
3.5
SW
4
SW
4
SW
4
SW
4.5
SW
4
SW
3.5
SW
3
SW
3
SW
2.5
SW
Period(s) (?)111214151414131210111011141414151514141413
Wave
Graph
(?)Metric surfscale
Energy kJ (?)8528133491498915831127877236394723192263249020602973639764886336793671055186357027342063
Wind
(km/h)
55
W
55
WSW
35
SW
35
SW
30
SW
20
WSW
30
WNW
30
WNW
35
WNW
30
W
40
WSW
30
SW
25
WSW
30
WSW
25
SW
15
SW
15
SSW
10
S
10
SSE
25
S
10
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
ononcross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
crosscross-
off
crosscross-
off
High Tide
/ height (m)
3:28AM
0.68
5:43AM
0.68
6:53AM
0.69
7:45AM
0.69
8:28AM
0.66
11:16PM
0.38
9:04AM
0.62
10:21PM
0.41
Low Tide
/ height (m)
2:15PM
0.01
2:54PM
-0.01
3:30PM
-0.00
4:00PM
0.04
4:24PM
0.09
4:40PM
0.16
1:53AM
0.37
4:42PM
0.23
2:56AM
0.33
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunrise6:22--6:20--6:18--6:16--6:16--6:15--6:13--
Sunset-6:09--6:09--6:10--6:12--6:13--6:13--6:14-
mod rain
light rain
rain showers
light rain
light rain
part cloud
rain showers
rain showers
rain showers
rain showers
rain showers
part cloud
cloud
rain showers
light rain
part cloud
part cloud
part cloud
cloud
clear
clear
Rain (mm)
73521-22391--14------
Temp. °C141412121214161616161715141515161615141514
Feels °C (?)420349101091096899131313121212
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for WA - Margaret River

  1. weather stationWind Update The wind is still cross-on at Margaret River - South Side (fresh winds from the NW at Witchcliffe 12 km from Margaret River - South Side). A 3.3m groundswell from the W is too big for here

    Margaret River - South Side
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1 h 18 min ago

31 km/h
NW
Cross-On
Please reload the page to see if there are any updates.

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Margaret River - South Side surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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 12 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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