Dunes Surf Break

Lat Long: 21.80° S 114.14° E

Dunes Surf Forecast and Surf Report

Issued: 7 pm 27 Aug 2026 (local time)

Forecast update in  hr  min

Today's Dunes sea temperature is
23.6°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 27 Aug 2026:

  • Best quality surf: Monday 31 Aug, 5AM (local time) - 4ft (1.2m), 18s period, WSW swell with cross-offshore winds.
  • Most powerful swell: Tuesday 1 Sep, 5AM (local time) - 5ft (1.5m), 17s period, WSW swell with 1,352 kJ wave energy.
  • Next surfable swell (1★+): Sunday 30 Aug, 8AM (local time) - 2.5ft (0.7m), 19s 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 (Aug 30) at 8AM. The primary swell is predicted to be 0.7m and 19s period with a secondary swell of 0.7m and 11s. 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 1.5m 17s and forecast to arrive on Tuesday (Sep 01) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 4s period and expected on Friday (Aug 28) at 2AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Sun 30th Aug)2.5ft (0.7m) 19s
Best Surf 5AM (Mon 31st Aug)4ft (1.2m) 18s
Most Powerful 5AM (Tue 1st Sep)5ft (1.5m) 17s

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


The Lowdown

Alright, Rusty here. Let’s have a look at what’s cookin’ for the Dunes.

The whole sixteen-day stretch is a bit of a mixed bag, honestly. We’ve got a real long run of marginal days at the start, but there are a couple of windows that’ll make it worth paddling out. The first real sign of life doesn’t show until the end of August, so for the first couple of days you’re looking at small, clean but average waves.

The standout session that’s got my heart pumping is the Sunday morning of the 30th of August. The Dunes (reef) will be seeing a clean, glassy 3 ft swell rolling in from the southwest. The wind is dead calm, glassy as it gets, and while the waves won’t be huge, that super-long period of 17 seconds will give them a real push. The energy is moderate (545), but with those conditions, it’s going to be an absolute dream for a longboard or a funboard. You won’t have to share it much either, as crowds are only sometimes an issue. Keep in mind that long period swell like this can be a bit straight at a beach break, but on a reef like Dunes, it’ll groove.

Then, come Monday morning the 31st of August, we get another belter. The swell comes up a touch to 4 ft from the southwest, still with that lovely long 16-second pulse. The wind is light and cross-offshore, which means the faces will be clean as a whistle. The wave energy is cranking into the strong range (1216), so for a more experienced surfer, this is where it’s at. It’s not too big for a good paddle, but it’s got some grunt behind it. The water temp is about usual for the time of year, so no nasty surprises.

The first half of September is pretty quiet, with the swell dropping right back to around 3 ft for days. We then get a bit of a swell bump around the 10th of September, with the Thursday morning seeing a 6 ft southwest swell. That’s a proper size, and with a 16-second period, the energy is strong (1989). I’d call this one for experts only, as it’s over the 8 ft threshold for comfort. The winds are cross-offshore, so it’ll be clean, but it’s a heavy one. That Friday morning, the 11th of September, is similar at 6 ft (1611) and also clean, so another one for the crew with the big boards and guts.

Outside of those mornings, there’s a fair bit of chop and cross-shore wind in the afternoons, especially when the wind swings westerly. The second week is pretty unremarkable—some small, clean mornings that size up around 3 ft to 5 ft, but nothing that’ll get the heart racing. The very last day, Saturday the 12th of September, gives us a fresh offshore wind but only 4 ft of swell, so a clean but small finish.

To wrap it up: Sunday the 30th of August morning is the absolute winner for all-round fun, and Monday the 31st of August morning is the one for the rippers. Don’t sleep on that glassy Sunday.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 23°C on Fri afternoon, min 17°C on Thu night). Winds decreasing (strong winds from the S on Thu night, calm by Sun morning).

Days 5-7 Weather Summary

Mostly dry. Warm (max 25°C on Wed afternoon, min 20°C on Mon morning). Wind will be generally light.

Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
3
1
1
1
0
1
3
0
2
4
1
3
3
1
1
2
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
WSW
16
1.6
SW
14
1.5
SW
14
1.3
SW
13
1
SW
13
0.9
SW
12
0.6
WSW
19
0.9
SW
17
1.2
SW
17
1.1
SW
18
1.1
SW
16
1.2
WSW
16
1.5
WSW
17
1.5
WSW
16
1.4
WSW
16
1.3
WSW
16
1.2
WSW
15
1.2
WSW
14
1.3
WSW
14
Wave Graph
Metric surfscale
Energy kJ
1126
1031
902
569
331
248
246
439
885
711
644
674
1279
1136
957
759
624
561
672
Wind (km/h)
40
S
30
SSE
25
SSW
30
S
20
SSE
25
WSW
20
SSE
5
SE
15
W
15
SW
10
SSW
30
SW
20
S
15
SSE
25
WSW
25
S
20
S
25
WSW
30
S
Wind State
cross-off
off
cross-off
cross-off
cross-off
cross
cross-off
glassy
cross-on
cross
cross-off
cross
cross-off
cross-off
cross
cross-off
cross-off
cross
cross-off
High Tide
11:45PM1.54m
11:26AM1.78m
00:06AM1.66m
12:00PM1.85m
00:28AM1.77m
12:33PM1.89m
00:51AM1.87m
1:05PM1.87m
1:16AM1.94m
1:36PM1.80m
1:42AM1.99m
2:09PM1.69m
2:10AM2.00m
Low Tide
5:20AM0.63m
5:50PM0.26m
5:52AM0.47m
6:16PM0.23m
6:23AM0.33m
6:40PM0.23m
6:55AM0.23m
7:05PM0.26m
7:27AM0.18m
7:29PM0.32m
8:01AM0.18m
7:52PM0.39m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:35
6:35
6:33
6:33
6:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:12
6:12
6:12
6:13
6:13
6:13
6:13
 mm
Temp °C
22
20
23
22
18
20
20
20
21
21
21
22
21
22
24
23
23
25
24
Feels °C
16
13
17
15
14
18
15
19
19
19
20
18
17
19
22
19
20
23
20
  • 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 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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