Margaret River Mouth Surf Break

Lat Long: 33.97° S 114.98° E

Issued: 1 am 05 Jul 2026 (local time)

Forecast update in  hr  min

Today's Margaret River Mouth sea temperature is
19.4° C

1.0°C warmer than normal for this time of year


Margaret River Mouth surf forecast from 4 Jul 2026:

  • Best quality surf: Tuesday 7 Jul, 2AM (local time) - 7ft (2.1m), 15s period, SW swell with cross-offshore winds.
  • Most powerful swell: Saturday 11 Jul, 11AM (local time) - 8ft (2.5m), 15s period, SW swell with 3,307 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 7 Jul, 2AM (local time) - 7ft (2.1m), 15s period with SW swell.

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 Tuesday (Jul 07) at 2AM. The primary swell is predicted to be 2.1m and 15s period with a secondary swell of 0.5m and 7s. 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 2.5m 15s and forecast to arrive on Saturday (Jul 11) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 7s period and expected on Sunday (Jul 05) at 8AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Tue 7th Jul)7ft (2.1m) 15s
Best Surf 2AM (Tue 7th Jul)7ft (2.1m) 15s
Most Powerful11AM (Sat 11th Jul)8ft (2.5m) 15s

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


Updates in  hr  min  s Forecast update imminent

Alright folks, Rusty here. Let’s have a look at what’s coming up for Margaret River Mouth over the next couple of weeks.

We’re in for a bit of a mixed bag. The first few days are pretty rough, with some rain and strong onshore winds, so you won’t want to rush out. The water temp is sitting at 67°, which is right around normal for this time of year, so nothing to worry about there.

The first real chance of a decent wave comes on Monday, July 6th. The swell is building to 6 ft from the WSW, with a clean 15 second period. The wind is offshore out of the SE, so the surface should be clean. The combined energy is moderate (1507), and it’s a consistent river mouth setup, so it’s a good one for the beginners. Monday afternoon holds similar with 7 ft swell and 12 mph offshore breeze – still clean.

Tuesday, July 7th looks like the main standout here. Morning session has 6 ft of SW swell, a 16 second period, and gentle offshore winds from the SE. The water is clean, the energy is solid (1677), and it’s a river mouth, so the long period swell will wrap in nicely. This is the pick of the early run. Tuesday afternoon drops off a bit, but still surfable.

Wednesday, July 8th has a strange one – a 6 ft WSW swell with a 17 second period, but the wind is light and variable, almost glassy. The energy is high (1796), but the tide might be a factor. It’s worth a look if you can time it right.

Then we hit a dry spell. From Thursday, July 9th through to the 12th, the wind turns onshore or cross, the swell drops, and the conditions turn poor. You’ll be scratching your head, not the board.

Into the second week, things get more promising. Tuesday, July 14th has a 5 ft SW swell with light offshore winds from the ENE, clean and glassy in the morning. The energy is moderate (832), and it’s a good beginner wave. Then Wednesday, July 15th is smaller but still clean.

The real late highlight is Sunday, July 19th. The morning brings a 6 ft SW swell, 15 second period, and glassy conditions with a light SW breeze. The combined energy is solid (1262), and the forecast is calling for very good surf. That’s the one to mark on the calendar, but it’s a way off, so keep an eye on it.

Overall, the best of the run is Tuesday, July 7th and Sunday, July 19th. The river mouth handles the long period swell well, so don’t be put off by the 15-17 second intervals. Just be aware that crowds are possible here, especially on the good days.

Rusty.

Short Range Forecast

Heavy rain (total 23mm), heaviest during Sun morning. Very mild (max 18°C on Tue afternoon, min 13°C on Tue night). Winds decreasing (fresh winds from the NNW on Sun morning, light winds from the S by Tue afternoon).

Days 4-6 Weather Summary

Moderate rain (total 10mm), heaviest on Thu afternoon. Very mild (max 17°C on Thu morning, min 12°C on Wed morning). Winds increasing (light winds from the N on Wed morning, strong winds from the SW by Fri afternoon).

Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
1
2
4
3
2
2
2
3
0
0
0
0
0
0
0
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SW
14
1.1
SW
15
1.6
WSW
14
1.8
WSW
15
2
WSW
15
2.1
SW
15
1.9
SW
16
1.6
SW
15
1.3
SW
14
1.7
WSW
17
1.8
WSW
16
1.7
WSW
16
1.6
WSW
14
1.4
WSW
14
1.1
WSW
13
1.1
SW
13
1.2
WSW
14
2.1
SW
12
2.5
SW
15
2.5
SW
16
2.3
SW
16
Wave Graph
Metric surfscale
Energy kJ
248
530
928
1450
1762
2014
1672
1219
676
1796
1527
1291
928
752
367
424
493
1250
3307
3288
2484
Wind (km/h)
35
NNW
20
SW
25
SSE
25
SE
20
SE
15
SE
15
SE
20
SSE
15
ESE
5
N
5
WNW
30
W
30
W
30
S
15
SW
30
W
40
SW
35
SSW
25
S
20
SSW
20
SSW
Wind State
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
on
on
on
cross
cross-on
on
cross-on
cross-on
cross
cross
cross-on
High Tide
11:16AM0.60m
11:14AM0.52m
5:19AM0.48m
5:20AM0.55m
5:45AM0.63m
6:22AM0.72m
7:06AM0.79m
Low Tide
8:10PM0.23m
8:08PM0.27m
7:47PM0.30m
3:36PM0.26m
3:32PM0.15m
4:01PM0.04m
4:42PM-0.04m
mod rain
mod rain
rain showers
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
rain showers
light rain
light rain
part cloud
clear
light rain
rain showers
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:24
7:24
7:24
7:24
7:24
7:24
7:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:22
5:22
5:23
5:23
5:24
5:24
5:25
 mm
8
8
7
2
2
4
1
1
Temp °C
17
17
15
15
15
14
15
18
15
14
16
16
17
14
15
15
16
14
14
14
14
Feels °C
11
13
12
10
10
11
13
16
12
13
15
11
12
8
10
9
7
5
6
9
9
Swell 1
Height (m)
Direction
Period (s)
0.8
SW
14
1.1
SW
15
1.6
WSW
14
1.8
WSW
15
2
WSW
15
2.1
SW
15
1.9
SW
16
1.6
SW
15
1.3
SW
14
1.7
WSW
17
1.8
WSW
16
1.7
WSW
16
1.6
WSW
14
1.4
WSW
14
1.1
WSW
13
1.1
SW
13
0.5
SW
10
0.2
WSW
13
2.5
SW
15
2.5
SW
16
2.3
SW
16
Energy kJ
248
530
928
1450
1762
2014
1672
1219
676
1796
1527
1291
928
752
367
424
51
17
3307
3288
2484
Swell 2
Height (m)
Direction
Period (s)
0.1
S
9
0.7
WNW
7
0.2
SSE
7
0.4
SE
7
0.1
SE
7
0.7
SSW
12
0.8
SSW
11
0.8
SSW
11
Energy kJ
2
45
5
12
2
123
133
138
Swell 3
Height (m)
Direction
Period (s)
0.3
N
6
Energy kJ
7
Wind waves
Height (m)
Direction
Period (s)
1.2
NNW
7
0.5
W
5
0.7
S
6
0.8
S
7
0.7
SSE
7
0.5
SE
7
0.6
W
5
1.2
WSW
14
2.1
SW
12
Energy kJ
134
13
36
57
45
23
20
493
1250
Nearest Offshore or Glassy
Rating
(10 max)
3
4
3
4
7
4
3
5
2
8
7
4
4
4
4
3
4
2
4
9
7
Distance (km)
151
12
93
168
12
0
0
20
0
3
12
71
245
96
12
181
2001
96
44
31
31
Best forecast wave conditions in Margaret River
Rating
(10 max)
4
7
8
7
5
5
8
7
4
4
9
7
Best forecast wave conditions in Australia
Rating
(10 max)
4
9
7
5
7
8
7
5
5
9
8
5
4
5
5
4
4
4
5
9
7
Header Global
Rating
(10 max)
5
9
7
5
5
8
7
5
5
9
8
9
9
6
6
5
5
4
6
5
5
  • 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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