Surf Forecasts:
Lefthanders surf forecast from 9 Aug 2026:
- Best quality surf: Monday 10 Aug, 11PM (local time) - 21ft (6.5m), 15s period, SW swell with cross-shore winds.
- Most powerful swell: Tuesday 11 Aug, 2AM (local time) - 21ft (6.5m), 16s period, SW swell with 20,130 kJ wave energy.
- Next surfable swell (1★+): Monday 10 Aug, 11PM (local time) - 21ft (6.5m), 15s period with SW swell.
Best Forecast Surf Conditions for Lefthanders this week:
The surf forecast for Lefthanders over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 10) at 11PM. The primary swell is predicted to be 6.5m and 15s period. The wind is predicted to be cross-shore as the swell arrives.
The most powerful waves expected at Lefthanders in the next 16 days are 6.5m 16s and forecast to arrive on Tuesday (Aug 11) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Saturday (Aug 15) at 11AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Mon 10th Aug) | 21ft (6.5m) 15s |
| Best Surf | 11PM (Mon 10th Aug) | 21ft (6.5m) 15s |
| Most Powerful | 2AM (Tue 11th Aug) | 21ft (6.5m) 16s |
Table - best surf conditions forecast for Lefthanders over the next 16 days.
The Lowdown
Alright, Rusty here again. Same story, different numbers. The name of the game is patience and picking the right window. The ocean is full of energy, but the wind is going to be the deciding factor between a clean session and a full-on struggle.
Your first real chance is Friday the 14th. After a few days of messy, onshore chaos, it finally cleans up. The wind goes offshore and then drops to nothing, and even though the swell is still a solid 12ft, that long-period groundswell is going to have some serious push. This is for the experienced crew only. It’s a big day, but the wave shape should be excellent with the glassy conditions. This is the standout. It’s not for everyone, but for those who are on it, it's going to be world-class.
That quality holds into Saturday the 15th with offshore winds, but the swell is starting to ease, dropping to around 8ft. It's still worth a paddle, but a step down from Friday. Then the swell builds again, from the WSW, on Monday the 17th, back up to over 16ft. But the wind swings onshore and ruins it. A total loss for surfers.
Looking further out, there’s a promising sign for Sunday the 23rd. The wind is forecast to go glassy again, and the swell is down to a much more user-friendly 10ft. It's still a solid swell, but the clean, glassy conditions on a wave of that size could be exceptional. It’s more than a week away, so don’t book your flights yet, but if it holds, it could be the best day of the run. Much more manageable than the 14th, but with plenty of power still in the water. That’s the one for the second week.
Rusty.
Short Range ForecastModerate rain (total 16mm), heaviest on Mon afternoon. Very mild (max 16°C on Sun night, min 10°C on Mon afternoon). Winds decreasing (strong winds from the SW on Mon morning, light winds from the WSW by Wed morning). | Days 5-7 Weather SummaryMostly dry. Very mild (max 18°C on Sat afternoon, min 11°C on Fri morning). Wind will be generally light. | ||||||||||||||||||
Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | ||||||||||||||
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 10 | SW 12 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 15 | SW 15 | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 13 | WSW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 6505 | 5199 | 10064 | 20130 | 17570 | 14004 | 9286 | 7008 | 6538 | 6861 | 7757 | 10568 | 7773 | 6378 | 5175 | 3913 | 2763 | 2243 | 2457 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | off | cross-off | glassy | cross-off | cross-off | cross | cross-off |
High Tide | 7:46AM1.03m | 8:35AM1.02m | 9:17AM0.98m | 9:55AM0.92m | 10:26AM0.82m | 00:30AM0.56m | 10:47AM0.72m | 00:00AM0.59m | |||||||||||
Low Tide | 5:00PM0.20m | 5:34PM0.24m | 6:03PM0.29m | 6:23PM0.35m | 6:25PM0.42m | 3:53AM0.53m | 6:01PM0.46m | ||||||||||||
 |  | | |  |  |  | | | | | | | | | | | | | |
 | — | 7:05 | — | — | 7:03 | — | — | 7:03 | — | — | 7:01 | — | — | 7:01 | — | — | 7:00 | — | — |
 | 5:45 | — | 5:45 | — | — | 5:46 | — | — | 5:46 | — | — | 5:47 | — | — | 5:49 | — | — | 5:49 | — |
mm | 3 | 4 | 5 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 14 | 10 | 12 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 15 | 15 | 17 | 18 | 18 |
Feels °C | 10 | 5 | 0 | 3 | 6 | 8 | 11 | 11 | 10 | 11 | 12 | 11 | 13 | 11 | 12 | 13 | 12 | 13 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 14 | — | — | — | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 15 | SW 15 | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 13 | WSW 13 |
| kJ | 6505 | — | — | — | 17570 | 14004 | 9286 | 7008 | 6538 | 6861 | 7757 | 10568 | 7773 | 6378 | 5175 | 3913 | 2763 | 2243 | 2457 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SW 24 | SW 22 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 22 | 163 | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SW 10 | SW 12 | SW 16 | — | — | — | — | — | — | — | — | — | — | — | — | N 4 | NNW 6 | NNW 5 |
| kJ | — | 5199 | 10064 | 20130 | — | — | — | — | — | — | — | — | — | — | — | — | 38 | 113 | 34 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 249 | 878 | 2673 | 91 | 91 | 328 | 5 | 5 | 5 | 5 | 5 | 5 | 1 | 1 | 1 | 1 | 50 | 50 | 0 |
Best forecast wave conditions in Margaret River | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
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Information about the Lefthanders Surf forecast
The above surf forecast table for Lefthanders provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Lefthanders can be found by selecting the local surf guide option on the grey menu. Our Lefthanders 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 (Lefthanders) 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 Lefthanders 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.
Lefthanders is 87 km (54 miles) from the city of Bunbury. If you plan a holiday in Margaret River, look for hotels and other accommodation in Bunbury. Bunbury has rooms for a wide range of budgets as well as car hire and transport links.
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