Surf Forecasts:
Dunes surf forecast from 29 Aug 2026:
- Best quality surf: Monday 31 Aug, 11AM (local time) - 3.5ft (1.1m), 16s period, SW swell with cross-offshore winds.
- Most powerful swell: Monday 31 Aug, 11PM (local time) - 5ft (1.5m), 17s period, WSW swell with 1,279 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 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 Monday (Aug 31) at 11PM. 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 Thursday (Sep 03) at 8PM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Sun 30th Aug) | 2.5ft (0.7m) 19s |
| Best Surf | 11AM (Mon 31st Aug) | 3.5ft (1.1m) 16s |
| Most Powerful | 11PM (Mon 31st Aug) | 5ft (1.5m) 17s |
Table - best surf conditions forecast for Dunes over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s cookin’ for Dunes over the next couple of weeks.
First up, we’ve got a bit of a slow start. The first real window worth paddling out for kicks off on the morning of Sunday, the 30th of August. The water temp is sitting at a comfortable 75°, which is pretty much bang on average for this time of year, so no surprises there.
Sunday morning is where it gets interesting. The swell is a modest 3ft wrapping in from the SW with a juicy 17-second period, giving it some real groundswell grunt. The combined energy is moderate (569), and with a light S breeze keeping it cross-off, the surface is gonna be clean. This is a quality window for the Dunes reef, though keep in mind that with such a long period, the sets will be a bit more spaced out – gives you plenty of time to get back out the back.
Monday the 31st of August morning is the real standout of the first week. Swell bumps up slightly to 4ft, still from the SW, but the period holds at a solid 16 seconds. The energy jumps to strong (1216), and with a light S breeze keeping it cross-off and clean, the conditions are set for experienced surfers. This is the best on offer early on, but at 4ft it’s still friendly enough for a confident intermediate. The reef handles that long-period groundswell beautifully.
The rest of the first week is a mixed bag. The swell holds around the 3ft to 5ft mark, but the wind is mostly cross or cross-on, making things choppy or bumpy. The mornings of the 1st and 2nd of September offer clean conditions with light cross-off breezes, but the energy drops off and the scores are just average. Not bad, but nothing to write home about.
After a quiet spell in the middle of the week, the second week starts to look promising again. The morning of Wednesday the 9th of September sees a 4ft SW swell with a 15-second period, and a light SE offshore breeze. That’s clean, glassy conditions, and the energy is moderate (512). A solid session for anyone who can get out.
But the real gem of the entire forecast is Thursday the 10th of September. The morning brings a 5ft SW swell with a very long 19-second period, and the combined energy is massive (2060). That’s a proper groundswell. The wind is a fresh SSE offshore, keeping the waves clean. This is expert territory though – 5ft with that kind of power is no joke. The afternoon holds similar size (6ft) with a 18-second period and a cross-off breeze, still clean, still punchy. The reef is going to be absolutely firing, but only for the skilled crew.
After that, the swell slowly fades through the weekend and into the following Monday, with wind becoming a bit more of a factor. The morning of Sunday the 13th of September offers a final bright spot: 4ft WSW swell with a 13-second period, light E breeze keeping it cross-off and clean (energy 551). A nice, mellow way to wrap up the run.
Overall, the standout windows are the morning of Monday the 31st of August and the morning of Thursday the 10th of September. Thursday is the bigger, more powerful day, but Monday is the cleaner, more accessible option. Saturday the 5th of September afternoon has a bit of size (5ft) but the wind is up, so it’s more of a battle than a pleasure.
Signing off, Rusty.
Short Range ForecastMostly dry. Warm (max 22°C on Sun afternoon, min 18°C on Sat night). Winds increasing (light winds from the SW on Sat afternoon, fresh winds from the SSW by Mon night). | Days 5-7 Weather SummaryMostly dry. Warm (max 25°C on Tue afternoon, min 17°C on Thu night). Winds increasing (light winds from the SSW on Tue afternoon, fresh winds from the SSE by Fri morning). | |||||||||||||||||||
Sat 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map | ||||||||||||||||||||
Wave Height (m) Direction Period (s) | SW 12 | WSW 19 | SW 17 | SW 17 | SW 18 | SW 16 | WSW 16 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
Wave Graph | ||||||||||||||||||||
248 | 246 | 439 | 885 | 711 | 644 | 674 | 1279 | 1136 | 957 | 759 | 581 | 443 | 419 | 577 | 400 | 336 | 342 | 347 | 352 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-on | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off |
High Tide | 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 | 2:42PM1.54m | 2:43AM1.95m | 3:20PM1.36m | 3:20AM1.86m | |||||||
Low Tide | 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 | 8:39AM0.23m | 8:16PM0.49m | 9:22AM0.35m | 8:41PM0.61m | |||||||
— | — | 6:35 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:31 | — | — | 6:31 | — | — | |
6:12 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:14 | — | — | 6:14 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 21 | 20 | 22 | 21 | 21 | 22 | 21 | 22 | 25 | 24 | 24 | 25 | 23 | 21 | 22 | 20 | 19 | 24 | 22 |
Feels °C | 18 | 16 | 18 | 18 | 19 | 20 | 19 | 17 | 19 | 23 | 20 | 21 | 21 | 19 | 16 | 18 | 14 | 13 | 20 | 17 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 17 | SW 17 | SW 18 | SW 16 | WSW 16 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
248 | 140 | 439 | 885 | 711 | 644 | 674 | 1279 | 1136 | 957 | 759 | 581 | 443 | 419 | 577 | 400 | 336 | 342 | 347 | 352 | |
Swell 2 Height (m) Direction Period (s) | SW 21 | WSW 19 | SW 12 | NE 6 | SW 13 | WSW 19 | WSW 19 | N 6 | SW 5 | N 6 | N 7 | SW 5 | N 6 | N 7 | N 6 | N 6 | WSW 6 | SW 7 | WSW 7 | — |
116 | 246 | 130 | 1 | 249 | 572 | 578 | 1 | 4 | 1 | 1 | 10 | 1 | 1 | 1 | 1 | 3 | 35 | 5 | — | |
Swell 3 Height (m) Direction Period (s) | W 21 | N 7 | NE 6 | W 21 | — | — | — | — | — | N 6 | — | N 6 | — | — | — | — | N 6 | SW 6 | — | — |
9 | 1 | 2 | 9 | — | — | — | — | — | 1 | — | 1 | — | — | — | — | 1 | 1 | — | — | |
Wind waves Height (m) Direction Period (s) | SW 3 | SSW 5 | — | WSW 2 | SW 3 | S 3 | SW 3 | SSW 4 | SE 3 | SW 3 | SW 5 | S 3 | SW 3 | SSW 7 | SSE 4 | SW 6 | SSW 5 | SSE 4 | SW 7 | S 4 |
4 | 18 | — | 1 | 1 | 3 | 9 | 20 | 6 | 9 | 36 | 2 | 9 | 157 | 13 | 102 | 69 | 29 | 44 | 53 | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1071 | 660 | 0 | 777 | 0 | 0 | 1446 | 733 | 15 | 1144 | 753 | 15 | 772 | 660 | 660 | 1446 | 1446 | 1446 | 1447 | 660 |
Best forecast wave conditions in North West WA | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
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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.











