Surf Forecasts:
Backdoors surf forecast from 24 Aug 2026:
- Best quality surf: Friday 28 Aug, 12AM (local time) - 7ft (2.2m), 17s period, WSW swell with cross-offshore winds.
- Most powerful swell: Friday 28 Aug, 12AM (local time) - 7ft (2.2m), 17s period, WSW swell with 2,766 kJ wave energy.
- Next surfable swell (1★+): Wednesday 26 Aug, 12AM (local time) - 4.5ft (1.3m), 14s period with SW swell.
Best Forecast Surf Conditions for Backdoors this week:
The surf forecast for Backdoors over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 26) at 12AM. The primary swell is predicted to be 1.3m and 14s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Backdoors in the next 16 days are 2.2m 17s and forecast to arrive on Friday (Aug 28) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Thursday (Aug 27) at 9AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Wed 26th Aug) | 4.5ft (1.3m) 14s |
| Best Surf | 12AM (Fri 28th Aug) | 7ft (2.2m) 17s |
| Most Powerful | 12AM (Fri 28th Aug) | 7ft (2.2m) 17s |
Table - best surf conditions forecast for Backdoors over the next 16 days.
The Lowdown
Alright, Rusty here, let's talk about what's on the cards for your local break.
First up, the water temp is sitting at 60°F, which is just about bang on average for this time of year, so nothing unusual there.
We've got a bit of a slow start to this forecast period. The first few days are pretty much a write-off with strong onshore winds and messy conditions. The first real glimmer of hope comes on the morning of Wednesday the 26th. The wind swings offshore from the NNE, and while the swell is only a modest 4ft, it's coming from the SW with a clean 13-second period. The energy is moderate (497), and it should be a fun, clean session for a quick paddle.
The standout, by a long shot, is Monday the 31st of August. This is the best on offer. We've got a solid 5ft of SW groundswell with a 16-second period, pumping in some serious energy (1389). The morning is a gentle offshore, and the afternoon goes glassy. That's the kind of day you ring in sick for. The waves will be clean and lined up, perfect for a skilled crew. It's an advanced, inconsistent reef break so don't expect a crowd every day, but on a day like this, you'll likely see a few others out there.
The Tuesday morning after that is still very good with 4ft of clean, offshore surf, but the star of the show is definitely that Monday.
Looking further out, the start of September keeps things ticking over. The morning of Friday the 4th of September has another excellent window with 5ft of SW swell and a light offshore breeze, keeping the waves clean and punchy. That's another great session for the experienced surfer. The energy is strong (1038) and it'll be well worth the paddle out.
The second week of the forecast gets a bit windier and less reliable, with a lot of onshore breezes. The swell energy picks up into the strong range around the 8th of September, with 10ft of SW swell, but the wind is all wrong, making it a choppy mess. Better to wait for the next clean window.
The good news is the break is fairly consistent with swell, so if the wind doesn't play ball one day, it'll turn around. Keep your eyes on the 31st of August and the 4th of September.
Rusty out.
Short Range ForecastLight rain (total 4mm), mostly falling on Mon morning. Warm (max 20°C on Wed afternoon, min 11°C on Tue night). Winds decreasing (fresh winds from the SW on Mon afternoon, light winds from the SE by Tue night). | Days 4-6 Weather SummaryModerate rain (total 18mm), heaviest on Fri morning. Warm (max 25°C on Thu afternoon, min 14°C on Fri morning). Winds decreasing (fresh winds from the N on Thu morning, calm by Sat night). | ||||||||||||||||||||
Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | |||||||||||||||
AM | 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 14 | SW 14 | SW 13 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 14 | SW 14 | SW 19 | WSW 17 | SW 16 | SW 16 | WSW 14 | WSW 14 | SW 13 | SW 13 | SW 19 | SW 19 | SW 18 |
Wave Graph  | |||||||||||||||||||||
 kJ | 453 | 1218 | 905 | 1697 | 1155 | 656 | 488 | 265 | 297 | 336 | 614 | 2766 | 1129 | 1224 | 934 | 607 | 501 | 230 | 236 | 499 | 1946 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | on | cross-off | off | off | off | off | off | cross-off | off | cross-off | cross-off | cross-off | on | off | cross-off | cross-on | cross-off |
High Tide | 11:40AM1.06m | 00:18AM0.68m | 11:50AM1.19m | 00:13AM0.78m | 12:06PM1.30m | 00:22AM0.89m | 12:24PM1.38m | 00:36AM1.00m | 12:43PM1.41m | 00:53AM1.09m | 1:03PM1.40m | 1:13AM1.18m | 1:22PM1.34m | 1:34AM1.23m | |||||||
Low Tide | 6:40PM0.23m | 5:15AM0.35m | 6:35PM0.15m | 5:35AM0.21m | 6:40PM0.08m | 5:57AM0.09m | 6:51PM0.02m | 6:21AM0.00m | 7:04PM-0.02m | 6:45AM-0.05m | 7:18PM-0.05m | 7:10AM-0.06m | 7:32PM-0.05m | ||||||||
 |  |  | | |  | | | | |  |  |  | |  | | | | | | | |
 | 7:05 | — | — | 7:03 | — | — | 7:03 | — | — | 7:01 | — | — | 7:01 | — | — | 6:58 | — | — | 6:58 | — | — |
 | — | 6:15 | — | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:17 | — | — | 6:19 | — | — | 6:19 | — |
mm | 2 | — | 2 | — | — | — | — | — | — | — | — | 4 | 12 | 2 | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 14 | 13 | 13 | 12 | 16 | 20 | 20 | 22 | 25 | 23 | 15 | 18 | 17 | 18 | 19 | 19 | 20 | 22 | 20 |
Feels °C | 9 | 8 | 9 | 8 | 9 | 10 | 13 | 16 | 15 | 13 | 18 | 17 | 10 | 14 | 14 | 17 | 16 | 16 | 18 | 18 | 15 |
Swell 1 Height (m) Direction Period (s) | ESE 4 | — | — | — | SW 14 | SW 14 | SW 13 | SW 13 | SW 14 | SW 14 | SW 15 | SW 17 | SW 16 | SW 16 | WSW 14 | WSW 14 | SW 13 | SW 13 | SW 12 | SW 19 | SW 18 |
| kJ | 3 | — | — | — | 1155 | 656 | 488 | 265 | 297 | 336 | 492 | 2471 | 1129 | 1224 | 934 | 607 | 501 | 230 | 144 | 499 | 1946 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SSW 7 | — | — | SW 16 | SW 23 | SW 20 | SW 19 | — | W 4 | — | — | SW 23 | SW 20 | SW 21 | SW 19 | SW 12 | SSW 21 |
| kJ | — | — | — | — | 160 | — | — | 90 | 21 | 256 | 614 | — | 9 | — | — | 20 | 15 | 71 | 236 | 140 | 42 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 23 | — | W 26 | SW 24 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 21 | — | 13 | 87 | — |
Wind waves Height (m) Direction Period (s) | SW 14 | SW 14 | SW 13 | SW 15 | SW 14 | — | — | — | NE 2 | N 4 | NNW 4 | WSW 17 | W 4 | SW 16 | NE 3 | — | — | SSE 3 | SE 4 | SSW 19 | ESE 2 |
| kJ | 453 | 1218 | 905 | 1697 | 52 | — | — | — | 2 | 27 | 13 | 2766 | 8 | 88 | 2 | — | — | 7 | 7 | 140 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 287 | 401 | 667 | 1061 | 551 | 0 | 0 | 0 | 0 | 564 | 177 | 0 | 564 | 401 | 0 | 0 | 0 | 0 | 0 | 132 | 0 |
Best forecast wave conditions in Nullarbor | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Backdoors 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 Backdoors Surf forecast
The above surf forecast table for Backdoors provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Backdoors can be found by selecting the local surf guide option on the grey menu. Our Backdoors 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 (Backdoors) 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 Backdoors 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.
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