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Surf Forecasts:

Gnarabup surfForecast / WA – Margaret River / Australia

information circle12 Day Weather and Surf, issued 7 pm Thursday 16 Oct 2025 AWST
Forecast update in hr  min  s Forecast update imminent
Gnarabup surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Gnarabup sea temperature is
19.2° C
 (Which is 1.9°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Gnarabup this week:

The surf forecast for Gnarabup over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Oct 17) at 5AM. The primary swell is predicted to be 2.3m and 13s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Gnarabup in the next 12 days are 4.5m 11s and forecast to arrive on Saturday (Oct 18) at 2PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Friday (Oct 17) at 2PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Fri 17th Oct)7.5ft (2.3m) 13s
Best Surf 5AM (Fri 17th Oct)7.5ft (2.3m) 13s
Most Powerful 2PM (Sat 18th Oct)15ft (4.5m) 11s

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

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

Short Range Forecast Moderate rain (total 10mm), heaviest on Sun morning. Very mild (max 19°C on Fri morning, min 12°C on Sat night). Winds increasing (light winds from the NW on Thu night, strong winds from the WNW by Fri night).

Days 3-6 Weather Summary Moderate rain (total 15mm), heaviest on Sun night. Very mild (max 16°C on Wed morning, min 9°C on Tue night). Winds decreasing (strong winds from the SW on Mon morning, light winds from the ESE by Wed morning).

Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thu
23
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
3
2
1
0
0
0
0
0
0
0
0
0
0
1
0
3
1
1
3
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.4
WSW
2.1
WSW
1.8
SW
3.5
W
4.5
W
4.5
W
3
W
3.5
SW
3.5
SW
3
SW
2.3
SSW
1.8
WSW
1.7
WSW
1.4
SW
1.4
SW
1.5
SSW
1.3
SSW
1.6
S
1.9
SSW
1.4
WSW
2.1
WSW
Period(s) (?)14131381011111313121012111010101211121514
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2153147510601544412548371954393739972113117087268645035639449467510688451748
Wind
(km/h)
10
NNW
30
N
30
NNW
40
WNW
40
W
30
W
30
NW
25
WNW
30
W
35
WSW
40
SSW
35
SSW
20
SSW
15
SSW
20
S
15
ESE
10
SW
25
S
10
S
20
WNW
30
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off		crosscross-
on		cross-
on		oncross-
on		cross-
on		ononcross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
off		oncrosscrosscross-
on		on
High Tide
/ height (m)
11:10PM
0.46
7:36AM
0.55
9:46PM
0.45
8:22AM
0.51
9:07PM
0.49
9:05AM
0.46
8:57PM
0.55
9:50AM
0.42
9:00PM
0.60
10:43AM
0.37
9:07PM
0.66
9:17PM
0.70
Low Tide
/ height (m)
2:31AM
0.43
3:21PM
0.22
3:00AM
0.37
3:14PM
0.29
3:32AM
0.31
2:42PM
0.34
4:05AM
0.26
1:59PM
0.36
4:41AM
0.22
1:22PM
0.35
5:20AM
0.20
6:06AM
0.19
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thu
23
Sunrise-5:37--5:35--5:33--5:33--5:31--5:31--5:28-
Sunset--6:34--6:35--6:36--6:37--6:37--6:37--6:38
clear
part cloud
part cloud
rain showers
rain showers
part cloud
rain showers
light rain
light rain
rain showers
thunderstorm
thunderstorm
rain showers
cloud
part cloud
part cloud
clear
part cloud
cloud
clear
rain showers
Rain (mm)
---11-2515532-------2
Temp. °C171919191616151415141414131314121615141516
Feels °C (?)1614141488998866891081310101111
  • 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 Continuing clean conditions at Gnarabup (calm at Witchcliffe 11 km from Gnarabup). 2.4m 14s groundswell from the WSW to make surfable waves.

    54 minutes ago Gnarabup
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Actual: 54 min ago

0 km/h
N
Clean
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 Gnarabup 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 Gnarabup at:
surf-forecast.com

Information about the Gnarabup Surf forecast

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

Gnarabup is 94 km (58 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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