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Surf Forecasts:

Windmills surfForecast / WA – Margaret River / Australia

information circle12 Day Weather and Surf, issued 1 pm Thursday 18 Sep 2025 AWST
Forecast update in hr  min  s Forecast update imminent
Windmills surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Windmills sea temperature is
17.4° C
 (Which is normal for this time of year)

Best Forecast Surf Conditions for Windmills this week:

The surf forecast for Windmills over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 19) at 8PM. The primary swell is predicted to be 3.0m and 14s period. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Windmills in the next 12 days are 3.5m 15s and forecast to arrive on Friday (Sep 19) at 8AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Monday (Sep 22) at 5AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Fri 19th Sep)10ft (3.0m) 14s
Best Surf 8PM (Fri 19th Sep)10ft (3.0m) 14s
Most Powerful 8AM (Fri 19th Sep)11ft (3.5m) 15s

Table - best surf conditions forecast for Windmills over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 3mm), mostly falling on Thu night. Very mild (max 16°C on Thu night, min 12°C on Fri night). Winds decreasing (fresh winds from the WSW on Thu night, calm by Sat morning).

Days 3-6 Weather Summary Mostly dry. Warm (max 22°C on Tue afternoon, min 13°C on Sun night). Wind will be generally light.

Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
3
4
0
2
3
0
3
5
4
5
4
4
4
3
4
4
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
3
WSW
3
WSW
3
WSW
3
WSW
2.5
WSW
2.1
WSW
1.9
WSW
1.7
WSW
1.6
WSW
1.8
WSW
1.9
WSW
1.7
WSW
2.4
WSW
2.3
WSW
2.2
WSW
2.2
WSW
2.2
WSW
2.3
WSW
2.4
WSW
2.4
WSW
2.3
WSW
Period(s) (?)141415141414141313141519181716161516151516
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3680387540963484239216501322958848127715462089351030632300224321302581254726532481
Wind
(km/h)
30
WSW
30
SW
25
SSW
25
SSW
15
SSE
0
S
25
SSW
20
SE
10
SE
25
SSW
25
E
15
ENE
10
SSW
20
E
15
NE
0
WNW
15
E
15
NE
10
NNE
10
NE
10
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
on		cross-
on		crossglasscross-
on		cross-
off		cross-
off		cross-
on		offoffcross-
on		offoffglassoffcross-
off		cross-
off		offon
High Tide
/ height (m)
8:11AM
0.63
10:56PM
0.37
8:50AM
0.59
10:12PM
0.40
9:25AM
0.54
10:03PM
0.45
9:57AM
0.48
10:03PM
0.50
10:26AM
0.41
10:04PM
0.55
10:41AM
0.35
10:09PM
0.60
9:56AM
0.29
Low Tide
/ height (m)
4:10PM
0.09
4:24PM
0.15
1:45AM
0.36
4:25PM
0.21
2:49AM
0.32
4:07PM
0.26
3:38AM
0.29
3:41PM
0.30
4:23AM
0.27
3:20PM
0.31
5:08AM
0.25
3:00PM
0.30
5:57AM
0.25
Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Sunrise--6:13--6:13--6:11--6:09--6:09--6:07--6:05
Sunset6:13--6:13--6:14--6:15--6:15--6:15--6:16--
cloud
rain showers
rain showers
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
Rain (mm)
-21------------------
Temp. °C151616161513151415191814212018222220191919
Feels °C (?)8111312111312913141211191612211917161718
  • 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 2 km away suggest it is still onshore at Windmills (fresh winds from the WSW at Cape Naturaliste Lh). 2.7m 14s groundswell from the WSW with a 2.1m 14s groundswell from the W. 2 swells combining so expect closeout sets.

    1 hour 0 minutes ago Windmills
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1 h 0 min ago

31 km/h
WSW
Onshore
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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 Windmills 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 Windmills at:
surf-forecast.com

Information about the Windmills Surf forecast

The above surf forecast table for Windmills provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Windmills can be found by selecting the local surf guide option on the grey menu. Our Windmills 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 (Windmills) 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 Windmills 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.

Windmills is 63 km (39 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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