Margaret River Mouth surf break

Margaret River Mouth surfForecast / WA – Margaret River / Australia

information circle16 Day Weather and Surf, issued 1 am Saturday 21 Mar 2026 AWST
Forecast update in hr  min  s Forecast update imminent
Today's Margaret River Mouth sea temperature is
21.2° C
(Which is 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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Mar 26) at 5AM. The primary swell is predicted to be 0.8m and 12s period with a secondary swell of 0.7m and 6s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Margaret River Mouth in the next 16 days are 1.2m 13s and forecast to arrive on Saturday (Mar 21) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 6s period and expected on Sunday (Mar 22) at 5PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Thu 26th Mar)2.5ft (0.8m) 12s
Best Surf 8PM (Thu 26th Mar)4ft (1.2m) 8s
Most Powerful 8AM (Sat 21st Mar)4ft (1.2m) 13s

Table - best surf conditions forecast for Margaret River Mouth over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 22°C on Sat morning, min 12°C on Mon night). Mainly fresh winds.

Days 3-6 Weather Summary Mostly dry. Warm (max 29°C on Thu afternoon, min 12°C on Tue night). Winds decreasing (fresh winds from the SSE on Wed afternoon, light winds from the E by Thu afternoon).

Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.1
SW
1.1
SW
1.1
SW
1
SW
1.1
SW
1.1
SW
1.1
SW
1
SW
0.9
SW
0.9
SSW
0.8
SW
0.6
SW
0.9
SW
1.1
SW
1
SW
0.8
SW
0.8
SW
0.7
SW
0.6
SW
0.6
SW
0.5
SW
Period(s) (?)131414131313131212121111131312121212121211
Wave
Graph
(?)Metric surfscale
Energy kJ (?)44445743433536936335229124024315376282357295207178141898660
Wind
(km/h)
25
S
35
SSE
30
SE
30
SSE
35
SE
30
SE
25
SE
40
SSE
20
SE
25
SSE
35
SSE
25
SE
25
SE
35
SSE
30
ESE
20
E
10
E
30
E
10
ENE
15
S
15
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffoffcross-
off
crosscross-
off
High Tide
/ height (m)
10:47AM
0.63
11:05AM
0.69
11:29AM
0.72
12:00PM
0.72
12:43PM
0.70
4:37PM
0.66
6:20PM
0.66
Low Tide
/ height (m)
7:06PM
0.22
11:24PM
0.17
12:50AM
0.09
1:40AM
0.03
2:23AM
-0.00
3:00AM
0.00
3:32AM
0.04
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Sunrise6:22--6:24--6:24--6:24--6:26--6:26--6:26--
Sunset-6:30--6:29--6:28--6:27--6:24--6:23--6:22-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
Rain (mm)
---------------------
Temp. °C222017202017192117192016192117222925232725
Feels °C (?)191612151512141411151410141511182620202521
  • 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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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 16 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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