Dunes Surf Break

Lat Long: 21.80° S 114.14° E

Dunes Surf Forecast and Surf Report

Issued: 7 am 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Dunes sea temperature is
23.5°C
0.7° 

Dunes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Dunes surf forecast from 5 Sep 2026:

  • Best quality surf: Sunday 6 Sep, 5PM (local time) - 7ft (2.1m), 13s period, SW swell with cross-offshore winds.
  • Most powerful swell: Saturday 12 Sep, 11AM (local time) - 5.5ft (1.7m), 18s period, WSW swell with 1,795 kJ wave energy.
  • Next surfable swell (1★+): Sunday 6 Sep, 5PM (local time) - 7ft (2.1m), 13s period with SW swell.

Best Forecast Surf Conditions for Dunes this week:

The surf forecast for Dunes over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 06) at 5PM. The primary swell is predicted to be 2.1m and 13s period with a secondary swell of 0.1m and 22s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Dunes in the next 16 days are 1.7m 18s and forecast to arrive on Saturday (Sep 12) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Saturday (Sep 05) at 8PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Sun 6th Sep)7ft (2.1m) 13s
Best Surf 5PM (Sun 6th Sep)7ft (2.1m) 13s
Most Powerful11AM (Sat 12th Sep)5.5ft (1.7m) 18s

Table - best surf conditions forecast for Dunes over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let’s get into what’s cooking for the next couple of weeks.

We’ve got a bit of a slow start, but the waiting game pays off. The overall pattern is a drawn-out SW groundswell that keeps offering up waves, but the wind is the real boss here. The first few days are messy, but there are some absolute gems lined up if you’re patient.

For the first week, Saturday the 5th kicks off with a modest 3ft SW swell at Dunes, with a 16-second period meaning there’s plenty of energy in the water. The combined energy is moderate at 737, but the 20 km/h south wind keeps it just cross-off, so it’s clean but not epic. The water temp is 74°, which is about average for this time of year.

Sunday morning the 6th is similar, with a 4ft SW swell, but the wind is still a fresh 30 km/h. It’s clean, but not the standout. The real action starts to build on Monday the 7th, but that afternoon on Tuesday the 8th we get a proper offshore wind from the SE at 30 km/h, cleaning up a 4ft SW swell with a 16-second period. The energy is still moderate at 886. By Wednesday morning the 9th, the offshore wind is lighter from the ESE at 25 km/h, and we’ve got a 4ft SW swell with a 16-second period again. The combined energy is 834, and the forecast says “expect very good surf conditions.” This is a solid morning session, but the wind switches onshore in the afternoon.

After a few days of onshore wind, we hit the first real standout. Saturday morning the 12th of September delivers a beautiful 6ft WSW swell with a very long 18-second period. The combined energy is strong at 1795, and the wind is a glassy 5 km/h from the south, making it cross-off. This is a morning for the experienced surfer, as the size is pushing past the beginner zone. The long period means the waves will be powerful and well-shaped, but at a reef break like Dunes, it’s going to be a proper session. This is the best on offer in the first half of the forecast.

The next big one hits Tuesday morning the 15th of September. Another 6ft SW swell, 16-second period, and the wind is a gentle offshore from the SE at 15 km/h. The combined energy is strong at 1431, and conditions are described as “excellent surf conditions for experienced surfers.” This is a close second to the 12th, but the wind is slightly less glassy.

Then, looking further out, Friday morning the 18th of September is a standout candidate. We’re looking at a 6ft WSW swell with a 16-second period, and the wind is light from the south at 10 km/h, keeping it cross-off. The combined energy is strong at 1677, and it’s again “excellent surf conditions for experienced surfers.” The size is pushing 7ft, so this is for the crew who know what they’re doing. It’s a long-range forecast, so keep an eye on it, but it has the potential to be the best of the whole run.

Sunday morning the 20th of September is a bit of a wild card. A 7ft WSW swell with a 17-second period, but the wind is a fresh 30 km/h from the south. The combined energy is very strong at 2178, but the wind is going to be a problem. The afternoon gets even bigger at 7ft, but the wind is a mess. This one is more for the tow crew or the kite surfers, as the paddle out will be a mission.

So, to sum it up: the standouts are definitely Saturday the 12th morning and Friday the 18th morning. Both offer solid, clean, powerful groundswell with good wind. If you have to pick one, the 12th has the edge for that glassy, near-perfect morning. The 15th is also a cracker. The rest of the time, you’re picking through windows of clean surf between the wind.

Rusty out.

Short Range Forecast

Mostly dry. Warm (max 25°C on Mon afternoon, min 19°C on Sat morning). Winds increasing (light winds from the S on Sat morning, strong winds from the SW by Sat night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 26°C on Tue afternoon, min 17°C on Tue morning). Winds decreasing (strong winds from the SE on Tue night, calm by Thu night).

Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
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)
2
0
0
1
!
2
2
3
2
2
2
1
3
1
1
2
0
2
1
0
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SW
16
1.4
SW
16
1.3
SW
14
1.1
SW
14
2.1
SW
13
1.9
SW
13
1.5
SW
13
1.5
SW
13
1.6
SW
16
1.3
SW
16
1.3
SW
16
1.3
SW
17
1.3
SW
16
1.4
SW
16
1.3
WSW
15
1.3
WSW
15
1.3
WSW
15
1.2
WSW
15
1
WSW
14
1
WSW
14
1
WSW
19
Wave Graph
Metric surfscale
Energy kJ
421
964
676
456
1430
1129
723
699
1256
886
875
929
834
917
760
770
791
568
425
378
782
Wind (km/h)
20
S
35
SW
35
SW
30
S
40
SW
35
S
30
SSE
20
SSW
35
SE
30
SE
20
S
40
SE
25
ESE
10
NNW
15
WSW
10
NE
20
NNW
10
WNW
10
N
15
NW
10
SW
Wind State
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
off
off
on
cross-on
cross
on
cross-on
cross-on
on
cross
High Tide
4:09PM1.17m
4:10AM1.71m
5:43PM1.01m
5:34AM1.55m
10:02PM1.10m
8:12AM1.51m
10:30PM1.30m
9:51AM1.65m
11:00PM1.50m
10:48AM1.79m
11:28PM1.68m
11:32AM1.89m
11:57PM1.83m
Low Tide
10:17AM0.50m
9:07PM0.75m
11:50AM0.64m
9:34PM0.92m
2:20PM0.64m
1:27AM1.04m
3:47PM0.52m
3:35AM0.86m
4:36PM0.39m
4:35AM0.63m
5:13PM0.30m
5:19AM0.43m
5:46PM0.24m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
6:28
6:28
6:26
6:26
6:24
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:14
6:15
6:15
6:15
6:15
6:15
6:15
 mm
Temp °C
20
21
20
20
22
22
20
25
25
18
26
26
20
21
22
22
23
22
22
22
22
Feels °C
17
17
14
14
17
15
14
21
19
12
22
22
15
19
21
22
22
21
22
20
21
  • 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 Dunes Surf forecast

The above surf forecast table for Dunes provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Dunes can be found by selecting the local surf guide option on the grey menu. Our Dunes 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 (Dunes) 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 Dunes 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.

Are you planning a holiday in North West WA? If you are looking for accommodation near Dunes, camping, hotels and holiday cottages in North West WA, consider staying in Exmouth which is 15 km (9 miles) away.

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