Margaret River Mouth surf break

Margaret River Mouth surfForecast / WA – Margaret River / Australia

information circle12 Day Weather and Surf, issued 1 pm Sunday 18 Jan 2026 AWST
Forecast update in hr  min  s Forecast update imminent
Today's Margaret River Mouth sea temperature is
21.2° C
(Which is 1.1°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Margaret River Mouth this week:

The surf forecast for Margaret River Mouth over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jan 19) at 2AM. The primary swell is predicted to be 1.1m and 13s period with a secondary swell of 0.1m and 11s. Another secondary swell of 0.3m and 6s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Margaret River Mouth in the next 12 days are 2.2m 19s and forecast to arrive on Monday (Jan 19) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 5s period and expected on Monday (Jan 19) at 8PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Mon 19th Jan)3.5ft (1.1m) 13s
Best Surf 2AM (Tue 20th Jan)6.5ft (2.0m) 17s
Most Powerful 5PM (Mon 19th Jan)7ft (2.2m) 19s

Table - best surf conditions forecast for Margaret River Mouth over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 34°C on Wed morning, min 12°C on Sun night). Winds decreasing (fresh winds from the S on Mon afternoon, light winds from the SW by Tue morning).

Days 3-6 Weather Summary Mostly dry. Warm (max 31°C on Wed afternoon, min 16°C on Fri night). Winds increasing (light winds from the E on Wed night, fresh winds from the SSW by Thu afternoon).

Sun
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
1
0
2
4
3
1
2
0
0
1
0
0
0
0
0
2
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.1
SW
1.1
SW
1.3
SW
2.2
SW
2
SW
1.6
SW
1.4
SW
1.1
SW
0.9
SW
0.9
SW
0.6
SW
0.7
SW
0.6
SW
0.6
SW
0.6
SW
1.3
SW
1.6
SW
1.6
SW
1.4
SW
1.3
SW
1.3
SW
Period(s) (?)131313191716141413131212131212171514141313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)424352535329022931284752478282273112141132921019181039992833577581
Wind
(km/h)
25
S
15
ESE
20
S
30
SSE
25
ESE
10
SW
25
SSE
25
E
15
N
15
S
5
NE
25
SW
30
SSW
25
SSW
20
SSW
25
S
10
SSW
20
NW
25
WNW
25
WSW
25
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
crosscross-
off
offcross-
on
cross-
off
offcrosscrosscross-
off
cross-
on
cross-
on
crosscross-
on
crosscross-
on
cross-
on
cross-
on
oncross-
on
High Tide
/ height (m)
9:31PM
0.80
10:00PM
0.79
10:27PM
0.75
10:50PM
0.69
11:08PM
0.61
3:24PM
0.40
11:07PM
0.51
3:19PM
0.46
9:33PM
0.43
Low Tide
/ height (m)
6:46AM
0.07
7:03AM
0.10
7:14AM
0.14
7:18AM
0.19
7:16AM
0.24
4:49PM
0.40
7:02AM
0.28
8:10PM
0.42
6:09AM
0.30
Sun
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunrise--5:26--5:28--5:28--5:30--5:31--5:31--5:33
Sunset7:32--7:32--7:31--7:31--7:30--7:30--7:30--
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
light rain
rain showers
cloud
Rain (mm)
------------------12-
Temp. °C181722251929302634312821211919181719202018
Feels °C (?)131318201527252130262621181515141416181713
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Margaret River Mouth Surf forecast

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

Margaret River Mouth is 92 km (57 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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