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

information circle12 Day Weather and Surf, issued 7 am Saturday 13 Dec 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
20.1° 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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Dec 14) at 5AM. The primary swell is predicted to be 1.4m and 11s period with a secondary swell of 0.1m and 21s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Margaret River - South Side in the next 12 days are 2.2m 13s and forecast to arrive on Wednesday (Dec 17) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 7s period and expected on Thursday (Dec 18) at 8PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Sun 14th Dec)4.5ft (1.4m) 11s
Best Surf 2AM (Wed 17th Dec)5.5ft (1.7m) 14s
Most Powerful11AM (Wed 17th Dec)7ft (2.2m) 13s

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 Mostly dry. Warm (max 32°C on Sun morning, min 18°C on Sat morning). Winds decreasing (fresh winds from the SSE on Sat afternoon, calm by Sun morning).

Days 3-6 Weather Summary Mostly dry. Warm (max 21°C on Thu morning, min 12°C on Thu night). Winds increasing (light winds from the W on Tue morning, strong winds from the SE by Thu night).

Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
1
1
3
2
1
1
1
1
2
1
4
2
1
1
2
0
1
0
1
2
Swell
Height Map
Wave Height (m) & direction (?)
1.6
SW
1.5
SW
1.4
SW
1.1
SW
1.4
SW
1.6
SW
1.3
SW
0.8
WSW
1
WSW
1.1
SW
1.2
WSW
1.7
WSW
2.2
WSW
1.6
WSW
1.5
WSW
1.6
SW
1.2
WSW
1
SW
1.1
SW
1.2
S
1.4
SW
Period(s) (?)121111131312111615141514131312121211101111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)64853443144464967245333046848260811751708848626678365242266344445
Wind
(km/h)
20
S
35
SSE
25
E
0
SW
25
SE
15
N
25
N
15
NW
10
WNW
10
W
15
SW
10
SSE
30
SSE
35
SSE
25
SE
25
SSE
35
SSE
20
ESE
20
S
30
SSE
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
offglasscross-
off
crosscrosscross-
on
ononcross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
High Tide
/ height (m)
7:26PM
0.55
7:08PM
0.61
7:16PM
0.66
7:34PM
0.71
7:58PM
0.75
8:24PM
0.78
8:53PM
0.80
Low Tide
/ height (m)
4:28AM
0.25
4:37AM
0.19
4:54AM
0.15
5:17AM
0.11
5:44AM
0.08
6:16AM
0.06
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Sunrise5:01--5:01--5:01--5:03--5:03--5:03--5:03--
Sunset-7:24--7:25--7:25--7:27--7:28--7:28--7:29-
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C252419323027272620192018202016212117242318
Feels °C (?)211814312726252522191918161410161410201713
  • Map Icons:
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  • 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 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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