Dunes Surf Break

Lat Long: 21.80° S 114.14° E

Dunes Surf Forecast and Surf Report

Issued: 1 am 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's Dunes sea temperature is
23.6°C
0.9° 

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


Dunes surf forecast from 14 Sep 2026:

  • Best quality surf: Saturday 19 Sep, 5PM (local time) - 7ft (2.2m), 16s period, WSW swell with cross-shore winds.
  • Most powerful swell: Saturday 19 Sep, 5PM (local time) - 7ft (2.2m), 16s period, WSW swell with 2,441 kJ wave energy.
  • Next surfable swell (1★+): Monday 14 Sep, 11AM (local time) - 4.5ft (1.4m), 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 Monday (Sep 14) at 11AM. 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 Dunes in the next 16 days are 2.2m 16s and forecast to arrive on Saturday (Sep 19) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Friday (Sep 18) at 8PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Mon 14th Sep)4.5ft (1.4m) 14s
Best Surf 5PM (Sat 19th Sep)7ft (2.2m) 16s
Most Powerful 5PM (Sat 19th Sep)7ft (2.2m) 16s

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


The Lowdown

Alright, surfers, Rusty here with the full rundown on what’s coming our way.

We’ve got a solid run of surf kicking off from Monday the 14th, and it’s looking like a week of mostly clean, shoulder-high waves from the southwest. The water’s sitting at 75°, which is just about bang on average for this time of year, so no surprises there.

The standout window is hands down Monday morning at Dunes. We’ve got a clean 5ft SW groundswell with a nice 14-second period, and the wind is a light cross-offshore. That’s the kind of combo that’ll have you grinning ear to ear. Wave energy is sitting at a healthy 857 (moderate). Conditions are clean and the vibe is good – just be aware crowds are possible here, so get in early.

Tuesday morning (15th) keeps the same 5ft SW swell, but the wind picks up a bit to a moderate breeze. Still cross-off and clean, so it’s worth a paddle. The energy drops slightly to 699, but it’s still fun.

Wednesday morning (16th) brings back those light cross-off winds with a clean 5ft SW swell. Energy’s up to 752. It’s very good, consistent, and the reef setup should be handling that 14-second period just fine.

Thursday (17th) sees the swell drop to under 3ft and the wind turns a bit messy. The morning might offer a tiny window with a light cross-off, but the energy’s weak at 326. I’d probably give it a miss.

Friday morning (18th) is small and clean with 2ft and light cross-off winds, but the energy is only 271. It’s a session for the longboard or a learner cruise.

Now, Saturday the 19th is where things get interesting. The morning serves up a punchy 6ft WSW swell with a 16-second period, and it’s clean with a moderate cross-off. Energy jumps to 1857 (strong). This is groundswell with serious push. However, by the afternoon, that swell jumps to 7ft, and the wind swings cross-shore. The model’s saying it might be too big for the break, and at that size, it’s expert territory only. If you’re solid and hungry, the morning window could be magic.

Sunday morning (20th) still has a solid 6ft WSW swell with light cross-off winds. Energy is 1065 (moderate to strong), and it’s being called excellent for experienced surfers. That’s a big call. If you’ve got the skills, get after it.

From Monday the 21st through to the end of the month, the pattern settles into smaller, cleaner mornings and blown-out afternoons. The swell hovers around 3ft to 4ft, mostly from the SW, with light cross-off winds in the mornings. The afternoons get shredded by strong cross-shore winds, so your window is dawn patrol. Energy stays moderate, between 391 and 781.

A couple of late standouts to keep an eye on: Saturday the 26th morning has a fresh offshore wind and a small 3ft swell from the WSW – clean but weak. Then Sunday the 27th morning has a 5ft SW groundswell with a very long 17-second period and 1435 energy. The wind is a light cross-onshore though, so it might be a bit bumpy, and that long period could make it a bit straight at the beach. Still, it’s worth checking.

All in all, the best bet is Monday the 14th morning for the cleanest combo, with Saturday the 19th morning and Sunday the 20th morning offering the biggest, cleanest waves for the experienced crew.

Stay stoked.

- Rusty

Short Range Forecast

Mostly dry. Warm (max 25°C on Wed afternoon, min 19°C on Mon morning). Winds decreasing (strong winds from the SSW on Mon night, light winds from the SSE by Wed morning).

Days 4-6 Weather Summary

Mostly dry. Warm (max 27°C on Thu afternoon, min 18°C on Fri night). Winds increasing (light winds from the SW on Thu morning, strong winds from the SSW by Fri night).

Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
0
1
1
1
1
3
1
1
1
0
1
1
0
1
3
!
!
4
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
SW
14
1.4
WSW
15
1.2
SW
14
1.4
SW
14
1.2
SW
14
1.2
SW
14
1.4
SW
14
1.3
SW
14
1.1
SW
13
0.9
SW
13
0.8
SW
13
0.7
SW
14
0.7
SW
14
1.7
SW
13
0.9
WSW
18
1.9
WSW
16
2.2
WSW
16
2.1
SW
15
1.7
WSW
14
1.5
WSW
13
1.4
SW
13
Wave Graph
Metric surfscale
Energy kJ
857
818
597
681
581
597
721
604
458
295
199
203
186
984
480
1857
2441
1810
1065
820
613
Wind (km/h)
15
S
30
SW
30
S
25
SSW
35
SW
35
S
15
SSE
20
WSW
20
S
10
SW
15
W
20
SSW
15
SSW
35
SW
30
S
25
SSE
25
WSW
25
S
10
S
30
WSW
25
S
Wind State
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross
cross-on
cross-off
cross-off
cross
cross-off
cross-off
cross
cross-off
cross-off
cross
cross-off
High Tide
1:15PM1.84m
1:17AM2.02m
1:43PM1.73m
1:41AM1.99m
2:09PM1.60m
2:03AM1.94m
2:33PM1.47m
2:24AM1.86m
2:56PM1.33m
2:46AM1.76m
3:22PM1.21m
3:10AM1.64m
3:59PM1.09m
3:42AM1.51m
Low Tide
7:06PM0.32m
7:36AM0.17m
7:27PM0.41m
8:05AM0.24m
7:45PM0.50m
8:32AM0.34m
8:00PM0.59m
9:00AM0.46m
8:13PM0.69m
9:31AM0.59m
8:22PM0.79m
10:13AM0.72m
8:25PM0.89m
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:20
6:18
6:18
6:16
6:16
6:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:16
6:16
6:16
6:16
6:17
6:17
6:17
 mm
Temp °C
21
23
21
22
24
21
22
25
24
26
27
25
23
24
20
20
23
22
23
24
22
Feels °C
19
18
15
18
19
17
21
23
22
25
25
23
21
19
14
16
20
17
21
20
19
  • 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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