Margaret River Mouth surf break

Margaret River Mouth surfForecast / WA – Margaret River / Australia

information circle16 Day Weather and Surf, issued 7 am Saturday 18 Apr 2026 AWST
Forecast update in hr  min  s Forecast update imminent
Today's Margaret River Mouth sea temperature is
20.5° 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 Friday (Apr 24) at 11PM. The primary swell is predicted to be 1.4m and 14s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Margaret River Mouth in the next 16 days are 2.3m 15s and forecast to arrive on Monday (Apr 20) at 8PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 6s period and expected on Monday (Apr 20) at 5PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Fri 24th Apr)4.5ft (1.4m) 14s
Best Surf11PM (Fri 24th Apr)4.5ft (1.4m) 14s
Most Powerful 8PM (Mon 20th Apr)7.5ft (2.3m) 15s

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 Heavy rain (total 20mm), heaviest during Mon night. Very mild (max 19°C on Mon morning, min 14°C on Mon night). Winds increasing (light winds from the WSW on Sat morning, gales from the WSW by Mon night).

Days 3-6 Weather Summary Light rain (total 6mm), mostly falling on Thu morning. Very mild (max 19°C on Thu morning, min 14°C on Tue morning). Mainly fresh winds.

Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
1
0
1
0
0
0
0
0
1
2
0
0
0
0
0
0
0
0
2
Swell
Height Map
Wave Height (m) & direction (?)
1.7
WSW
1.5
WSW
1.4
WSW
1.4
SW
1.5
SW
1.5
SW
1.8
SW
1.4
SW
3
WSW
2.4
SW
2.2
SW
1.8
SW
1.4
WSW
1.1
SW
2.2
W
2
WSW
1.9
WSW
2
WSW
1.8
WSW
1.6
WSW
1.4
SW
Period(s) (?)111114141313151411131313131312121314151514
Wave
Graph
(?)Metric surfscale
Energy kJ (?)65051776379975776913588101900194516341050620357136911781236151314671209711
Wind
(km/h)
15
WSW
15
W
15
W
15
NW
15
NW
20
NW
30
NNW
45
NW
50
WSW
30
SW
20
SW
10
NNW
25
NNW
25
NW
30
NW
25
WNW
25
W
30
W
30
W
20
SSW
10
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
ononcross-
on
cross-
on
cross-
on
crosscross-
on
oncross-
on
cross-
on
crosscrosscross-
on
cross-
on
ononononcross-
on
off
High Tide
/ height (m)
9:49AM
0.73
10:11AM
0.78
10:37AM
0.81
11:06AM
0.80
11:35AM
0.75
11:57AM
0.69
11:56AM
0.61
3:51PM
0.60
Low Tide
/ height (m)
6:44PM
0.10
8:32PM
0.07
10:39PM
0.03
12:02AM
0.00
1:00AM
0.00
1:45AM
0.03
2:33PM
0.60
2:20AM
0.08
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Sunrise6:43--6:45--6:45--6:46--6:47--6:48--6:48--
Sunset-5:53--5:52--5:52--5:50--5:49--5:47--5:46-
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
heavy rain
light rain
cloud
cloud
cloud
cloud
rain showers
rain showers
rain showers
rain showers
part cloud
part cloud
clear
Rain (mm)
--------201----1211---
Temp. °C171717171818191915151516171718191919201816
Feels °C (?)1213141414151311481013111113141513151413
  • 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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