Southside surfForecast / WA – Margaret River / Australia

information circle48hr Weather and Surf, issued 7 am Sunday 18 Jan 2026 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
21.0° C
(Which is slightly warmer than usual)


How big are the waves at Southside today?

The current surf forecast for Southside at 1PM is: 2.4m 13s primary swell from a Southwest direction and 0.2m 12s secondary swell from a West-northwest direction (forecast issued at 07:00am January 18). The wind direction is predicted to be cross-onshore.

Time (AWST) & DateWave HeightWave Period
Morning (18 Jan)8ft (2.5m)13s
Afternoon (18 Jan)8ft (2.4m)13s
Evening (18 Jan)7ft (2.1m)13s

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

Updates in  hr  min  s Forecast update imminent
Sunday
18
Monday
19
Tuesday
20
Wed
21
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
4
4
1
0
1
3
3
4
3
3
3
5
7
7
7
9
7
6
4
2
4
3
4
4
Swell
Height Map
Wave Height (m) & direction (?)
2.5
SW
2.5
SW
2.4
SW
2.4
SW
2.3
SW
2.1
SW
2.1
SW
2.1
SW
2.1
SW
2.3
SW
2.5
SW
2.5
SW
4.5
SW
4.5
SW
4
SW
4
SW
3.5
SW
3.5
SW
3
SW
3
SW
3
SW
2.5
SW
2.4
SW
2.3
SW
Period(s) (?)131313131313131313131319191817171616161514141414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)242622752002197216971471134413231475179120135332127051141510058854364355526489138743143279523171914
Wind
(km/h)
10
E
10
SE
20
SW
25
SSW
25
S
25
SSE
20
SE
15
ESE
15
ESE
15
ESE
20
S
35
S
30
SSE
30
SE
25
SE
25
ESE
20
E
10
ENE
10
SW
25
SSW
25
SSE
20
SE
20
ESE
20
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off
cross-
on
cross-
on
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscross-
off
cross-
off
cross-
off
offoffoffcross-
on
crosscross-
off
cross-
off
offoff
High Tide
/ height (m)
9:31PM
0.80
10:00PM
0.79
10:27PM
0.75
Low Tide
/ height (m)
6:24AM
0.05
6:46AM
0.07
7:03AM
0.10
Sunday
18
Monday
19
Tuesday
20
Wed
21
Sunrise-5:26-------5:26-------5:28------
Sunset----7:32-------7:32-------7:31---
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
Rain (mm)
------------------------
Temp. °C121517181817151212162324221919191923283129252724
Feels °C (?)1013131313131299131918171414141520252625222320
  • 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

Latest 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.


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