Dunes Surf Break

Lat Long: 21.80° S 114.14° E

Dunes Surf Forecast and Surf Report

Issued: 7 am 01 Aug 2026 (local time)

Forecast update in  hr  min

Today's Dunes sea temperature is
23.7° C
0.4° 

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


Dunes surf forecast from 1 Aug 2026:

  • Best quality surf: Wednesday 5 Aug, 11AM (local time) - 4.5ft (1.4m), 17s period, SW swell with offshore winds.
  • Most powerful swell: Thursday 6 Aug, 8PM (local time) - 5.5ft (1.7m), 16s period, SW swell with 1,542 kJ wave energy.
  • Next surfable swell (1★+): Saturday 1 Aug, 8PM (local time) - 3.5ft (1.1m), 16s 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 Saturday (Aug 01) at 8PM. The primary swell is predicted to be 1.1m and 16s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Dunes in the next 16 days are 1.7m 16s and forecast to arrive on Thursday (Aug 06) at 8PM. 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 6s period and expected on Monday (Aug 03) at 8AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Sat 1st Aug)3.5ft (1.1m) 16s
Best Surf11AM (Wed 5th Aug)4.5ft (1.4m) 17s
Most Powerful 8PM (Thu 6th Aug)5.5ft (1.7m) 16s

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


The Lowdown

Alright, mates, Rusty here. Let’s look at the next couple of weeks. It’s a slow start, but there are a couple of windows that’ll get the heart rate up. It’s a stretch where you gotta be patient, but trust me, it’s worth hanging in there.

The first few days are pretty average. The swell is small, around 3ft, and we’ve got a bit of wind messing things up at times. There’s some clean surf early on Saturday morning with a southeast breeze, but it’s not doing much. The energy is moderate (647-655). It’s one of those days where you might get a few fun ones if you’re desperate, but you’ll likely be sitting there thinking, "Is that it?"

Sunday turns a bit messier, with onshore breezes and the swell dropping a touch. The water temp is sitting at 75°, which is pretty spot on for this time of year, so a shorty spring suit is all you need.

Then we hit the mid-week. Tuesday afternoon is looking interesting. The wind drops right out, going glassy (526), and we've got a clean 3ft of southwest swell. It’s small, but that glassy surface is a major positive. It’ll be clean, but you’ll be working for it.

Now, here’s where things get real. Wednesday morning, the 5th of August, is the first standout. The swell jumps to 5ft, with a solid 17-second period. That’s proper groundswell energy (1050). A gentle southeast offshore wind will have the Dunes (Big Island) looking clean and lined up. This is the best the forecast has offered so far, and it's for the experienced crew. The longer period means the waves will have some punch, and the sets will be a bit more spread out, which helps with the paddle out.

Thursday the 6th keeps the energy up with 5ft of southwest swell and that period staying at 16 seconds (1303). The wind is a bit more cross-off, but it’s still clean. Not quite as good as the day before, but still a solid option.

The swell builds a bit more on Sunday the 9th. The morning has a fresh offshore wind and 6ft of swell, but it's the afternoon that's a head-turner, with the swell jumping to 8ft and the period hitting a very long 19 seconds (3586). The wind and tide are good, but the wave size is predicted to be too big for this break. This is expert-only territory, and even then, it's pushing it for the spot. It’s a beast of a day, and you’d want to be very comfortable in big surf.

Monday the 10th eases back a bit to a still very solid 6ft with a 17-second period and a clean offshore wind (1892). Another excellent day for experienced surfers. This whole stretch from Wednesday to Monday is the core of the run, with the weekend being the biggest and most dangerous.

After that, things taper off quickly. The swell drops to around the 3ft mark for the start of the second week, and we’ve got some strong winds, including a strong offshore breeze on Tuesday the 11th that will make it hard to paddle into anything. It’s a bit of a dead period from the 11th to the 13th.

The following weekend, on the 16th, we see the swell build again. Saturday morning has 6ft with a good period and a fresh offshore wind (1860). It’s a promising sign, but it’s further out, so we’ll call that one promising but less certain. By the afternoon, it’s up to 8ft again, which, like the previous weekend, is just too big and will be for experts only.

So, to sum it up: the first real standout is Wednesday the 5th, with clean 5ft groundswell. The biggest and most dangerous, but potentially best, will be Sunday the 9th and Monday the 10th if you’re up for a challenge. The second week is looking smaller and less consistent. Get out there when you can.

That’s all from me. Stay salty.

Rusty.

Short Range Forecast

Moderate rain (total 13mm), heaviest on Mon morning. Warm (max 24°C on Sat afternoon, min 19°C on Sat morning). Winds decreasing (fresh winds from the SSE on Sat morning, calm by Sat night).

Days 4-6 Weather Summary

Light rain (total 7mm), mostly falling on Tue afternoon. Warm (max 23°C on Tue night, min 18°C on Thu night). Winds increasing (calm on Tue afternoon, fresh winds from the SSW by Thu night).

Saturday
1
Sunday
2
Monday
3
Tuesday
4
Wednesday
5
Thursday
6
Friday
7
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
2
2
1
0
0
0
0
2
2
3
3
4
3
2
3
2
2
2
2
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
SW
16
1.1
SW
16
1
SW
15
1.1
SW
15
1
SW
14
1
SW
14
1
SW
13
1
SW
13
1
SW
14
1
SW
15
0.9
SW
15
1.2
SW
18
1.4
SW
17
1.4
SW
16
1.4
SW
16
1.6
SW
16
1.6
SW
16
1.6
SW
16
1.6
SW
16
1.4
SW
16
1.4
SW
16
Wave Graph
Metric surfscale
Energy kJ
653
644
435
472
412
401
352
347
357
418
318
1000
1048
1014
976
1303
1401
1401
1210
976
883
Wind (km/h)
25
SE
10
N
5
NNE
20
E
20
NNE
25
NE
25
ENE
25
NE
10
E
15
E
5
NNW
15
S
15
SSE
15
WSW
20
S
15
S
20
SW
35
S
25
S
20
SSW
35
S
Wind State
off
cross-on
glassy
cross-off
cross
cross
cross-off
cross
cross-off
cross-off
glassy
cross-off
off
cross
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
High Tide
12:46PM1.91m
1:27AM1.74m
1:19PM1.88m
1:51AM1.80m
1:51PM1.82m
2:16AM1.84m
2:25PM1.72m
2:44AM1.87m
3:01PM1.57m
3:16AM1.87m
3:41PM1.40m
3:55AM1.83m
4:33PM1.21m
4:46AM1.76m
Low Tide
7:10PM0.20m
7:13AM0.48m
7:35PM0.24m
7:46AM0.42m
7:59PM0.30m
8:21AM0.39m
8:24PM0.38m
9:00AM0.41m
8:49PM0.47m
9:47AM0.46m
9:16PM0.59m
10:47AM0.54m
9:46PM0.72m
clear
clear
clear
clear
cloud
rain showers
rain showers
light rain
rain showers
rain showers
rain showers
rain showers
light rain
cloud
part cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:56
6:54
6:54
6:54
6:54
6:52
6:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:02
6:02
6:04
6:04
6:05
6:05
6:05
 mm
2
4
3
4
2
3
1
1
Temp °C
21
24
23
22
23
23
21
22
22
21
22
23
20
22
23
21
22
21
19
22
21
Feels °C
14
21
21
20
21
22
20
19
20
20
24
25
18
22
21
19
21
16
15
18
15
  • 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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