Surf Forecasts:
Lefthanders surf forecast from 5 Sep 2026:
- Best quality surf: Sunday 6 Sep, 2AM (local time) - 13ft (4.0m), 10s period, SSW swell with cross-offshore winds.
- Most powerful swell: Sunday 6 Sep, 8PM (local time) - 15ft (4.5m), 17s period, SW swell with 11,855 kJ wave energy.
- Next surfable swell (1★+): Sunday 6 Sep, 2AM (local time) - 13ft (4.0m), 10s period with SSW 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 Sunday (Sep 06) at 2AM. The primary swell is predicted to be 4.0m and 10s period with a secondary swell of 0.2m and 22s. Another secondary swell of 0.3m and 22s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Lefthanders in the next 16 days are 4.5m 17s and forecast to arrive on Sunday (Sep 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 1.8m 6s period and expected on Tuesday (Sep 08) at 5PM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Sun 6th Sep) | 13ft (4.0m) 10s |
| Best Surf | 2AM (Sun 6th Sep) | 13ft (4.0m) 10s |
| Most Powerful | 8PM (Sun 6th Sep) | 15ft (4.5m) 17s |
Table - best surf conditions forecast for Lefthanders over the next 16 days.
The Lowdown
Alright, Rusty here. Let's talk about what we’ve got.
Only one spot in the mix for the next 16 days: Lefthanders. It’s a very consistent reef break that loves an exposed SW swell, and it works best with a WSW direction. The water temp is 65°, a touch warmer than average for the season.
From the get-go on Saturday the 5th, the surf is up but ugly. A solid 10ft to 12ft SW swell with a strong 19 mph cross-onshore wind. It’s lumpy and rough. No one’s having fun out there. The combined wave energy is still strong (5288), but the quality is poor.
Sunday the 6th through Wednesday the 9th is where it gets real, but it’s not for the faint of heart. The swell hangs between 10ft and 15ft from the SW, with periods from 12 to 17 seconds. The wind turns clean and cross-offshore, making the waves look perfect. The combined energy is very strong (up to 10988). But the forecast keeps saying the swell is predicted to be too big for this break. At over 8ft, this is expert-only territory. A standout window for the brave.
Thursday the 10th the swell drops to around 7ft, but the winds turn messy, making it a marginal day.
Friday the 11th through Sunday the 13th is a total washout. Onshore wind and lumpy seas. Just forget it.
Then from Monday the 14th to Thursday the 17th, we get another clean-up. Big groundswell again, 10ft to 15ft, with long 15 to 16 second periods. The winds are light and favorable, mostly cross-offshore or glassy, so the waves will be smooth. But again, these are big. Combined energy very strong (up to 9006). Experts only.
Friday the 18th and into the weekend of the 19th and 20th of September, it gets huge. We’re talking 18ft+ SW swell with onshore wind. That’s a dangerous, angry ocean. Not a paddle session. Honestly, at that size with onshore wind and a reef setup, this looks more interesting for kite surfing than paddle surfing.
The standout call: if you’re an expert, the clean, cross-offshore days from Sunday the 6th to Wednesday the 9th, and again from Monday the 14th to Thursday the 17th, are your best bet. Huge, clean, powerful waves. For everyone else, steer clear—the swell rarely drops below a size that’s safe for beginners.
Rusty.
Short Range ForecastLight rain (total 7mm), mostly falling on Sat afternoon. Very mild (max 17°C on Mon afternoon, min 10°C on Sun night). Winds decreasing (fresh winds from the S on Sat night, light winds from the SE by Mon morning). | Days 4-6 Weather SummaryMostly dry. Warm (max 20°C on Tue afternoon, min 10°C on Tue morning). Winds decreasing (fresh winds from the ENE on Wed night, calm by Thu night). | ||||||||||||||||||||
Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | |||||||||||||||
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 | WSW 13 | SSW 10 | SW 12 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | WSW 15 | WSW 20 | WSW 18 | WSW 17 |
Wave Graph  | |||||||||||||||||||||
 kJ | 4435 | 2750 | 3418 | 4648 | 10945 | 9898 | 6877 | 6080 | 7370 | 8674 | 8277 | 6525 | 4960 | 4032 | 2822 | 1604 | 1368 | 1488 | 1544 | 2492 | 4947 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross | glassy | cross-on | cross-on | on |
High Tide | 5:24AM0.86m | 6:53AM0.88m | 7:55AM0.87m | 00:50AM0.59m | 8:46AM0.83m | 11:34PM0.54m | 9:30AM0.77m | 10:58PM0.54m | 10:08AM0.69m | 10:34PM0.56m | |||||||||||
Low Tide | 2:41PM0.19m | 3:20PM0.18m | 3:55PM0.19m | 4:26PM0.23m | 1:13AM0.59m | 4:50PM0.28m | 2:42AM0.51m | 5:02PM0.34m | 3:34AM0.45m | 4:57PM0.40m | 4:22AM0.40m | ||||||||||
 |  |  |  |  |  | | | | | | | | | | | |  | | |  | |
 | 6:33 | — | — | 6:31 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — | 6:26 | — | — | 6:26 | — | — |
 | — | 6:04 | — | — | 6:04 | — | — | 6:05 | — | — | 6:06 | — | — | 6:06 | — | — | 6:07 | — | — | 6:07 | — |
mm | 2 | 3 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 12 |
Temp °C | 16 | 16 | 15 | 15 | 16 | 12 | 14 | 17 | 13 | 15 | 20 | 16 | 16 | 19 | 17 | 15 | 18 | 17 | 18 | 18 | 17 |
Feels °C | 10 | 9 | 10 | 7 | 8 | 6 | 10 | 12 | 7 | 10 | 16 | 12 | 11 | 15 | 13 | 9 | 15 | 16 | 16 | 15 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 14 | WSW 13 | WSW 22 | SW 12 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | WSW 15 | WSW 14 | WSW 18 | WSW 17 |
| kJ | 4435 | 2750 | 46 | 4648 | 10945 | 9898 | 6877 | 6080 | 7370 | 8674 | 8277 | 6525 | 4960 | 4032 | 2822 | 1604 | 1368 | 1488 | 1206 | 2492 | 4947 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 11 | SW 22 | SW 19 | SSE 11 | SSE 10 | — | — | — | — | — | — | — | SSE 7 | SW 26 | SW 24 | SW 22 | SW 21 | WSW 20 | WSW 13 | — |
| kJ | 789 | 416 | 73 | 730 | 43 | 86 | — | — | — | — | — | — | — | 18 | 104 | 141 | 372 | 463 | 1544 | 1267 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | NNE 6 | SW 26 | SW 24 | SW 22 | N 6 | SSW 11 | S 11 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 12 | 103 | 195 | 372 | 15 | 40 | 21 | — |
Wind waves Height (m) Direction Period (s) | NW 5 | — | SSW 10 | SSE 8 | — | — | — | SE 10 | SE 5 | SE 5 | SE 6 | SE 6 | ESE 6 | — | NE 4 | NNE 6 | N 6 | — | — | — | WNW 5 |
| kJ | 64 | — | 3418 | 540 | — | — | — | 25 | 66 | 71 | 202 | 80 | 55 | — | 17 | 104 | 78 | — | — | — | 46 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 199 | 218 | 239 | 1688 | 66 | 4 | 1 | 37 | 4 | 4 | 1 | 2 | 1 | 1 | 10 | 41 | 3 | 0 | 141 | 50 | 199 |
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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