Dunes Surf Break

Lat Long: 21.80° S 114.14° E

Dunes Surf Forecast and Surf Report

Issued: 7 am 15 Aug 2026 (local time)

Forecast update in  hr  min

Today's Dunes sea temperature is
22.8° C
0.1° 

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


Dunes surf forecast from 15 Aug 2026:

  • Best quality surf: Tuesday 18 Aug, 8PM (local time) - 7ft (2.1m), 17s period, WSW swell with cross-onshore winds.
  • Most powerful swell: Wednesday 19 Aug, 2AM (local time) - 7.5ft (2.3m), 17s period, WSW swell with 2,815 kJ wave energy.
  • Next surfable swell (1★+): Sunday 16 Aug, 8AM (local time) - 3ft (0.9m), 14s 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 16) at 8AM. The primary swell is predicted to be 0.9m and 14s period with a secondary swell of 0.1m and 12s. 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 2.3m 17s and forecast to arrive on Wednesday (Aug 19) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Wednesday (Aug 19) at 5PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Sun 16th Aug)3ft (0.9m) 14s
Best Surf 8PM (Tue 18th Aug)7ft (2.1m) 17s
Most Powerful 2AM (Wed 19th Aug)7.5ft (2.3m) 17s

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


The Lowdown

Alright everyone, Rusty here again. Let's break down the 16-day surf picture for this spot. We've got a slow start with some fun waves, but a couple of sessions further down the line are real standouts for the experienced crew. Water temp is sitting around 73°F, pretty standard for this time of year – nothing to write home about.

The action at Dunes kicks off this Saturday morning, August 15th. It's a glassy morning with a 3ft SW swell, a long period of 16 seconds. The energy is moderate (468), but that glassy wind makes it super easy to get a clean ride. The afternoon sees a light cross-onshore breeze, so the morning is the clear winner.

Sunday the 16th offers another glassy morning with a 3ft SW swell, period dropping to 14 seconds, but still clean. The afternoon gets messy with onshore wind.

Now, get ready, because things get serious on Tuesday the 18th. The morning session delivers a 5ft SW swell with a beefy 17-second period, pushing moderate energy to 1433. The wind is a moderate offshore from the SE, setting up clean, well-shaped waves. This one is a top pick, but it's expert territory – that size and power at a reef break are no joke.

Wednesday morning the 19th is even bigger, with a 7ft WSW swell, but the guidance says it’s too large for this break. The winds are cross-offshore, but the energy is massive (2234). Unless you’re a big-wave charger, give this one a miss.

Thursday the 20th settles to 5ft, with clean offshore winds in the morning. The energy drops to a more manageable 966. The swell is still SW, with a 15-second period – solid.

Friday the 21st has another great morning with a 5ft SW swell and a moderate offshore ESE wind. It’s very clean, but keep in mind that Dunes can get crowded at times – the guidance says crowds are *sometimes* an issue, so a Friday could see a few people in the water.

After that, the surf drops off into the weekend and early next week. Saturday the 22nd and Sunday the 23rd are much smaller with poor afternoon winds. There’s a long blank run from late on the 24th through the morning of the 26th where conditions are just poor, with strong winds and dwindling swell.

Then we get a surprise toward the end. On Sunday the 30th, a 7ft WSW swell rolls in with a 17-second period and moderate offshore winds from the SSE. That’s serious energy (2224) and another expert level day. It's far out and less certain, but this is the other real standout – a powerful groundswell with clean winds for those who can handle it.

To sum it up: Tuesday morning the 18th and Sunday morning the 30th are your best bets. They're big, clean, and have real power. Everything else is either small, windy, or just okay. Dunes is a consistent spot, so the waves will come back.

This is Rusty, signing off.

Short Range Forecast

Mostly dry. Warm (max 22°C on Sat afternoon, min 20°C on Sat morning). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 24°C on Wed night, min 19°C on Tue morning). Winds increasing (calm on Tue afternoon, fresh winds from the S by Thu night).

Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
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
1
0
2
1
1
2
3
4
4
3
!
!
3
2
2
3
1
3
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
SW
16
1
SW
15
0.9
SW
14
0.9
SW
14
0.9
SW
13
0.9
SW
13
1.4
SW
15
1.4
SW
16
1.4
SW
16
1.6
SW
17
2
WSW
17
2.3
WSW
17
2.1
WSW
16
2
WSW
16
1.6
WSW
15
1.5
SW
15
1.5
SW
16
1.5
SW
16
1.4
SW
16
1.3
SW
15
1.2
SW
14
Wave Graph
Metric surfscale
Energy kJ
468
415
346
327
257
249
838
1044
1031
1433
2283
2815
2234
1880
1132
966
1129
1129
989
733
614
Wind (km/h)
5
SW
10
W
15
WSW
5
ESE
5
NW
15
WSW
15
SSW
20
SSW
15
SSE
20
SE
10
WNW
25
SSW
15
S
10
WSW
35
S
25
SSE
15
SW
35
S
20
ESE
10
NW
20
SSW
Wind State
glassy
cross-on
cross-on
glassy
on
cross
cross-off
cross-off
cross-off
off
cross-on
cross-off
cross-off
cross
cross-off
off
cross
cross-off
off
on
cross-off
High Tide
1:00PM1.97m
1:27AM1.88m
1:35PM1.89m
1:55AM1.91m
2:06PM1.76m
2:20AM1.90m
2:35PM1.61m
2:45AM1.86m
3:01PM1.45m
3:09AM1.80m
3:26PM1.30m
3:33AM1.72m
3:54PM1.15m
4:02AM1.62m
Low Tide
7:14PM0.15m
7:28AM0.28m
7:41PM0.23m
8:03AM0.29m
8:05PM0.32m
8:35AM0.34m
8:24PM0.43m
9:08AM0.43m
8:40PM0.53m
9:41AM0.53m
8:52PM0.63m
10:20AM0.65m
9:01PM0.73m
clear
clear
clear
clear
part cloud
cloud
part cloud
cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:47
6:47
6:46
6:45
6:43
6:43
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:07
6:08
6:08
6:08
6:09
6:09
 mm
Temp °C
21
22
22
21
22
22
21
21
21
20
22
22
21
23
24
21
24
23
22
24
23
Feels °C
20
20
20
20
22
20
19
19
20
16
22
20
18
22
22
15
22
18
17
22
20
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 
submit an eyeball surf report

Quick surf report for Dunes:

join our community of surf reporters

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Dunes surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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.

Nearest locationNearest