The Window surfForecast / WA – Margaret River / Australia

information circle16 Day Weather and Surf, issued 1 am Sunday 31 May 2026 AWST
Forecast update in hr  min  s Forecast update imminent
The Window surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Window sea temperature is
20.8° C
(Which is 1.0°C warmer than normal for this time of year)

The Window surf forecast from 30 May 2026:

  • Best quality surf: Sunday 31 May, 5PM (local time) - 28ft (8.5m), 13s period, W swell with onshore winds.
  • Most powerful swell: Sunday 31 May, 8PM (local time) - 28ft (8.5m), 14s period, W swell with 27,416 kJ wave energy.
  • Next surfable swell (1★+): Sunday 31 May, 5PM (local time) - 28ft (8.5m), 13s period with W swell.

Best Forecast Surf Conditions for The Window this week:

The surf forecast for The Window over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (May 31) at 5PM. The primary swell is predicted to be 8.5m and 13s period. The wind is predicted to be onshore as the swell arrives.

The most powerful waves expected at The Window in the next 16 days are 8.5m 14s and forecast to arrive on Sunday (May 31) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Sun 31st May)28ft (8.5m) 13s
Best Surf 5PM (Sun 31st May)28ft (8.5m) 13s
Most Powerful 8PM (Sun 31st May)28ft (8.5m) 14s

Table - best surf conditions forecast for The Window over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 17mm), heaviest on Sun night. Very mild (max 17°C on Sun night, min 14°C on Sun morning). Winds decreasing (gales from the WNW on Sun afternoon, moderate winds from the SW by Tue night).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 16°C on Fri morning, min 13°C on Fri morning). Wind will be generally light.

Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
!
0
0
0
0
0
0
0
1
2
3
2
2
3
4
5
8
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
6.5
W
11
8.5
W
13
7.5
WSW
13
4.5
WSW
13
3.5
WSW
12
2.5
WSW
12
3.5
WSW
10
4
SW
12
3.5
SW
12
3
SW
11
1.8
SW
14
2.3
SW
12
2.3
SW
16
2.2
SW
16
3
SW
16
3
SW
15
3
SW
16
4.5
SW
19
4
SW
17
4
SW
17
5
WSW
16
Wave Graph
Metric surfscale
Energy kJ
10487
22881
18551
6130
3717
1689
2563
4306
3402
1838
1203
1576
2578
2383
3784
3879
4748
12925
8078
8210
11400
Wind (km/h)
70
WNW
75
WNW
55
SW
35
SSW
20
SW
35
WNW
40
WSW
30
SW
25
SW
20
SW
15
SW
5
W
10
NNW
10
W
5
WNW
10
N
10
NNE
15
NE
30
NW
40
W
35
W
on
on
cross-on
cross
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
cross-on
cross
cross-off
cross-off
cross-on
on
on
High Tide
8:45AM0.75m
9:10AM0.76m
9:36AM0.76m
10:02AM0.74m
10:29AM0.72m
10:56AM0.69m
11:21AM0.64m
Low Tide
6:50PM0.09m
7:37PM0.09m
8:30PM0.10m
9:21PM0.12m
9:57PM0.14m
10:08PM0.16m
10:08PM0.18m
light rain
light rain
mod rain
part cloud
cloud
rain showers
rain showers
part cloud
cloud
part cloud
cloud
part cloud
cloud
cloud
clear
clear
clear
part cloud
part cloud
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:15
7:15
7:16
7:16
7:16
7:16
7:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:20
5:19
5:19
5:19
5:17
5:17
5:17
4
2
7
1
3
2
4
Temp °C
15
15
17
16
16
17
17
15
16
15
15
15
15
15
15
16
16
15
20
19
18
2
0
7
8
10
10
8
7
10
11
11
11
12
12
13
14
13
13
14
13
12
Swell 1
Height (m)
Direction
Period (s)
4.5
WSW
13
3.5
WSW
12
1.5
S
11
0.7
S
10
4
SW
12
3.5
SW
12
3
SW
11
2.1
SW
11
2.3
SW
12
2.3
SW
16
2.2
SW
16
3
SW
16
3
SW
15
3
SW
16
4.5
SW
19
4
SW
17
4
SW
17
5
WSW
16
Energy kJ
6130
3717
505
98
4306
3402
1838
996
1576
2578
2383
3784
3879
4748
12925
8078
8210
11400
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
21
2.5
S
11
1.2
SW
14
0.6
SW
18
0.4
SSE
11
0.4
SSE
11
1
SW
16
1.8
SW
14
0.9
SW
17
0.9
S
9
0.7
S
9
0.1
SW
26
0.5
SW
24
1.3
SW
21
Energy kJ
18
1733
540
199
38
46
521
1203
505
139
73
26
271
1595
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
21
0.3
SW
20
0.4
SW
19
0.3
SE
10
1.1
SW
17
0.1
SW
26
0.3
W
10
0.4
W
9
Energy kJ
18
61
96
15
671
26
17
24
Wind waves
Height (m)
Direction
Period (s)
6.5
W
11
8.5
W
13
7.5
WSW
13
3.5
SSW
12
2.5
WSW
12
3.5
WSW
10
1.7
NW
6
1.8
WNW
6
Energy kJ
10487
22881
18551
3371
1689
2563
182
254
Nearest Offshore or Glassy
Rating
(10 max)
2
2
4
4
6
5
3
3
5
4
4
4
4
4
4
5
5
4
9
5
4
Distance (km)
1688
1798
2008
2549
15
213
524
524
15
15
3
8
69
15
11
2
0
74
213
231
363
Best forecast wave conditions in Margaret River
Rating
(10 max)
6
5
4
4
4
4
4
5
5
8
Best forecast wave conditions in Australia
Rating
(10 max)
2
5
6
4
6
5
4
4
5
4
4
4
4
4
5
5
8
8
9
9
9
Header Global
Rating
(10 max)
7
7
6
5
5
4
5
5
6
4
4
5
5
5
4
5
8
5
5
7
9
  • 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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Quick surf report for The Window:

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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 The Window 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 The Window Surf forecast

The above surf forecast table for The Window provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at The Window can be found by selecting the local surf guide option on the grey menu. Our The Window 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 (The Window) 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 The Window 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.

The Window is 74 km (46 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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