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Surf Forecasts:

Southside surfForecast / WA – Margaret River / Australia

information circle48hr Weather and Surf, issued 1 pm Thursday 18 Sep 2025 AWST
Forecast update in hr  min  s Forecast update imminent
Southside surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Southside sea temperature is
17.6° C
 (Which is slightly warmer than usual)

How big are the waves at Southside today?

The current surf forecast for Southside at 7PM is: 4.0m 14s primary swell from a West-southwest direction (forecast issued at 01:00pm September 18). The wind direction is predicted to be cross-onshore.

Time (AWST) & DateWave HeightWave Period
Morning (18 Sep)11ft (3.5m)12s
Afternoon (18 Sep)13ft (4.0m)14s
Evening (18 Sep)13ft (4.0m)14s

Table - waves today at Southside. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Thursday
18
Friday
19
Saturday
20
Sunday
21
11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
5
0
5
4
5
4
5
5
3
1
2
2
3
4
4
4
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
4
SW
4
WSW
4
WSW
4
WSW
4.5
SW
4.5
SW
4.5
SW
4.5
SW
4.5
SW
4.5
SW
4
SW
4
SW
3.5
SW
3.5
SW
3.5
SW
3
SW
3
SW
3
SW
2.5
SW
2.5
SW
2.4
SW
2.4
SW
2.3
SW
2.3
SW
Period(s) (?)141414141414141414141414141414141413131313131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)622765766484685274188224892986897888739264485918519146623981344832282693239021871922189217511751
Wind
(km/h)
25
WSW
25
WSW
30
WSW
30
WSW
30
SW
30
SW
25
SW
20
SSW
20
SSW
20
SSW
20
SSW
15
S
10
S
5
S
5
SSE
5
SSE
10
WSW
20
SW
15
SSW
20
S
15
SSE
10
ESE
10
ESE
10
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		ononcross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscrosscrosscrossglassglasscross-
on		cross-
on		crosscrosscross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
8:28AM
0.66
11:16PM
0.38
9:04AM
0.62
10:21PM
0.41
Low Tide
/ height (m)
4:24PM
0.09
4:40PM
0.16
1:53AM
0.37
4:42PM
0.23
2:56AM
0.33
Thursday
18
Friday
19
Saturday
20
Sunday
21
Sunrise-------6:15-------6:13-------6:11
Sunset--6:13-------6:13-------6:14-----
part cloud
cloud
cloud
rain showers
part cloud
cloud
cloud
rain showers
rain showers
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
Rain (mm)
---1---11---------------
Temp. °C141415151515151516161615141313131414141313131212
Feels °C (?)7899910111213121313121212121211111011121010
  • 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 Wind reports 12 km away suggest it is still onshore at Southside (moderate winds from the W at Witchcliffe). A 4.0m groundswell from the SW is too big for here

    1 hour 35 minutes ago Southside
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1 h 35 min ago

22 km/h
W
Onshore
Please reload the page to see if there are any updates.

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Southside 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.

View detailed surf forecast for Southside at:
surf-forecast.com

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