The Window surfForecast / WA – Margaret River / Australia

information circle16 Day Weather and Surf, issued 7 pm Saturday 23 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
20.9° C
(Which is slightly warmer than usual)

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 24) at 2AM. The primary swell is predicted to be 1.2m and 11s period with a secondary swell of 0.6m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at The Window in the next 16 days are 4.5m 13s and forecast to arrive on Saturday (May 30) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 7s period and expected on Wednesday (May 27) at 5PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Sun 24th May)4ft (1.2m) 11s
Best Surf 5PM (Sun 24th May)6.5ft (2.0m) 13s
Most Powerful 8PM (Sat 30th May)15ft (4.5m) 13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 19°C on Tue afternoon, min 12°C on Sat night). Winds increasing (light winds from the NNW on Sat night, fresh winds from the NNE by Tue morning).

Days 5-7 Weather Summary

Heavy rain (total 50mm), heaviest during Fri morning. Warm (max 21°C on Wed morning, min 18°C on Wed night). Winds decreasing (strong winds from the NNW on Wed afternoon, light winds from the NNW by Thu afternoon).

Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Sat
30
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
2
2
4
3
1
1
2
0
0
2
0
0
0
1
2
1
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
WSW
11
1.4
WSW
14
2
WSW
13
1.6
WSW
13
1.6
WSW
15
1.7
WSW
14
1.3
WSW
13
1.1
SW
13
1
WSW
18
1.5
WSW
16
1.8
WSW
16
2
WSW
15
2
WSW
14
3
W
13
2.5
WSW
13
2.2
W
12
1.4
SW
12
3.5
WNW
8
4
W
10
3.5
W
10
4
W
14
Wave Graph
Metric surfscale
Energy kJ
317
796
1349
775
1125
1175
599
382
692
1118
1557
1751
1570
2843
1997
1388
549
1568
3208
2518
5656
Wind (km/h)
15
NE
20
NNE
10
NNE
15
ENE
30
NNE
20
N
20
NNE
35
NNE
30
N
25
NNE
40
NNW
35
N
20
W
15
W
15
NNW
30
NNW
40
WNW
35
W
30
NW
45
NW
45
WNW
cross-off
cross-off
cross-off
off
cross-off
cross
cross-off
cross-off
cross
cross-off
cross
cross
on
on
cross-on
cross
cross-on
on
cross-on
cross-on
cross-on
High Tide
10:03AM0.51m
4:24PM0.42m
8:42AM0.50m
7:04PM0.35m
7:46AM0.54m
7:38AM0.60m
7:46AM0.66m
8:02AM0.70m
8:22AM0.73m
Low Tide
1:14AM0.20m
4:00PM0.42m
1:20AM0.28m
3:49PM0.33m
11:51PM0.34m
4:13PM0.26m
4:39PM0.20m
5:07PM0.15m
5:36PM0.12m
6:10PM0.10m
part cloud
part cloud
cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
part cloud
cloud
light rain
thunderstorm
clear
clear
rain showers
thunderstorm
rain showers
part cloud
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:09
7:11
7:11
7:11
7:13
7:13
7:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:22
5:22
5:22
5:21
5:21
5:21
5:20
5:20
3
13
6
27
1
3
4
Temp °C
15
14
15
15
15
17
18
18
19
20
21
19
18
19
19
19
20
18
18
18
18
14
10
13
13
9
12
14
12
13
16
14
12
12
16
17
15
14
11
11
11
10
Swell 1
Height (m)
Direction
Period (s)
1.2
WSW
11
1.4
WSW
14
2
WSW
13
1.6
WSW
13
1.6
WSW
15
1.7
WSW
14
1.3
WSW
13
1.1
SW
13
1
WSW
18
1.5
WSW
16
1.8
WSW
16
2
WSW
15
2
WSW
14
3
W
13
2.5
WSW
13
2.2
W
12
1.4
SW
12
1.1
SW
11
0.4
SW
16
1.6
WSW
15
0.6
SW
18
Energy kJ
317
796
1349
775
1125
1175
599
382
692
1118
1557
1751
1570
2843
1997
1388
549
263
91
1182
255
Swell 2
Height (m)
Direction
Period (s)
0.6
S
8
0.9
SW
11
0.6
S
11
0.9
WSW
16
0.2
S
10
0.2
S
9
0.8
W
12
0.8
W
11
0.9
WSW
13
1
W
11
1.2
W
10
1.4
WNW
10
0.4
W
18
0.8
SW
14
0.2
WNW
8
1.2
SW
12
0.6
W
11
0.2
WSW
17
0.2
WSW
20
0.8
SW
14
Energy kJ
47
163
82
452
8
7
171
144
281
237
290
370
99
218
7
409
79
29
39
293
Swell 3
Height (m)
Direction
Period (s)
0.6
WSW
16
0.7
S
11
0.5
WSW
18
0.4
S
10
0.1
W
22
0.5
W
20
0.8
W
10
0.6
SW
12
0.1
SW
18
0.6
SW
11
Energy kJ
171
112
180
33
9
196
133
90
13
104
Wind waves
Height (m)
Direction
Period (s)
0.4
NNE
3
0.5
N
4
0.4
NNE
4
1
N
5
1.1
N
5
1.1
N
6
1.7
N
6
1.8
N
6
1.6
NNW
6
2.3
NNW
7
3
NNW
7
2.4
WNW
8
0.8
NNW
7
0.4
NNW
7
3
NNW
7
3.5
WNW
8
4
W
10
3.5
W
10
4
W
14
Energy kJ
3
6
5
43
70
78
191
267
188
458
846
734
70
21
838
1568
3208
2518
5656
Nearest Offshore or Glassy
Rating
(10 max)
2
4
4
3
4
4
3
3
3
4
4
4
4
5
4
4
3
1
4
4
4
Distance (km)
0
61
0
0
61
61
61
157
69
157
157
213
213
15
61
61
157
260
213
213
231
Best forecast wave conditions in Margaret River
Rating
(10 max)
3
4
4
4
4
4
3
3
5
4
4
Best forecast wave conditions in Australia
Rating
(10 max)
6
4
4
4
4
4
4
4
4
5
4
5
4
5
4
5
4
2
5
4
4
Header Global
Rating
(10 max)
8
5
5
5
5
5
4
4
5
9
8
6
8
6
7
8
9
7
6
5
5
  • 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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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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