Surf Forecasts:
Lefthanders surf forecast from 20 Jul 2026:
- Best quality surf: Tuesday 21 Jul, 8AM (local time) - 10ft (3.0m), 14s period, SW swell with cross-shore winds.
- Most powerful swell: Sunday 26 Jul, 11AM (local time) - 15ft (4.5m), 15s period, SW swell with 9,103 kJ wave energy.
- Next surfable swell (1★+): Tuesday 21 Jul, 8AM (local time) - 10ft (3.0m), 14s 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 Tuesday (Jul 21) at 8AM. The primary swell is predicted to be 3.0m and 14s 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 4.5m 15s and forecast to arrive on Sunday (Jul 26) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 6s period and expected on Monday (Jul 27) at 5AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Tue 21st Jul) | 10ft (3.0m) 14s |
| Best Surf | 8AM (Tue 21st Jul) | 10ft (3.0m) 14s |
| Most Powerful | 11AM (Sun 26th Jul) | 15ft (4.5m) 15s |
Table - best surf conditions forecast for Lefthanders over the next 16 days.
The Lowdown
Alright, let’s break it down. Lefthanders is the only game in town for the next 16 days. It’s a reef break, very consistent, and exposed to the swell. The water temp is about average for the time of year.
Right now, the first few days are a bit of a write-off. Tuesday the 21st is a pass – we’ve got a 8ft SW swell, but it’s cross-shore wind and the energy is moderate (2781), and the conditions are just marginal. Not worth paddling out for.
But Wednesday the 22nd… that’s where it’s at. The morning is the standout. We’ve got a clean 12ft SW groundswell with a 15-second period – that’s a long period, pushing a lot of energy (5896). The wind is light offshore from the east, so it’s going to be glassy. However, at 12ft, this is expert territory. If you’re not solid, stay on the beach. This is as good as it gets in the forecast, but it’s big. The afternoon stays clean with a cross-offshore breeze, same size swell, but the period drops a touch.
Thursday the 23rd still has a solid 8ft SW swell, but the wind is cross or cross-offshore. The energy is still moderate (2934), and the waves are clean, but the score is lower – it’s not as good as Wednesday. Friday the 24th drops down to 5ft, but the afternoon shows a clean 6ft SW swell with a 12-second period and light cross-offshore wind. That’s a fun size for experienced surfers, and the energy is moderate (1046). A solid option for a session if you missed the big Wednesday.
Saturday the 25th is a step down – the swell is inconsistent, the wind is stronger, and the energy is weak to moderate (1043). Not great.
Then Sunday the 26th, it gets ugly. Strong cross-shore and onshore winds, 15ft SW swell, but it’s messy and dangerous. Energy is very strong (9103), but conditions are poor. That trend continues through Monday the 27th and Tuesday the 28th – the swell is too big, and the wind is onshore or cross-onshore. Not for paddling.
Wednesday the 29th has a 6ft SW swell with a very long 17-second period, but the wind is cross-offshore and moderate. The energy is moderate (2941). The long period will make it clean and powerful at this reef, but it’s still a bit tricky for a beach break. Thursday the 30th is a write-off with strong winds and risk of thunderstorms.
The first week of August sees a return of big swell. Sunday the 2nd has a 10ft WSW swell with a short 9-second period – that’s windswell, not clean, and the wind is onshore. Monday the 3rd is massive – 16ft with onshore wind – that’s a full-on storm surf, only for the truly mad. Tuesday the 4th and Wednesday the 5th both have 12ft SW groundswell with light winds, but the size is still too big for most.
Bottom line: The clear standout is Wednesday morning, July 22nd at Lefthanders. That’s the best mix of light offshore wind, clean conditions, and a powerful groundswell. If you’re an expert, that’s your window. The other days are either too big, too windy, or just average.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Mon night. Very mild (max 16°C on Mon night, min 11°C on Thu morning). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Very mild (max 19°C on Sun afternoon, min 13°C on Thu night). Winds increasing (light winds from the E on Thu night, strong winds from the NNW by Sun afternoon). | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | ||||||||||||||
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 | SW 14 | SW 13 | SW 13 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 12 | SW 12 | SW 13 | WSW 13 | SW 13 | SW 12 | SW 15 | SW 14 | SW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 2185 | 2775 | 2235 | 2574 | 5896 | 4932 | 4065 | 2927 | 2020 | 1346 | 785 | 833 | 990 | 876 | 486 | 730 | 9103 | 7042 | 3992 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-off | off | cross-off | off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | on |
High Tide | 3:33AM0.72m | 4:03AM0.78m | 4:52AM0.84m | 5:39AM0.90m | 6:21AM0.96m | 6:59AM1.00m | |||||||||||||
Low Tide | 4:28PM0.44m | 4:18PM0.38m | 4:25PM0.34m | 4:37PM0.32m | 4:52PM0.31m | 5:06PM0.31m | |||||||||||||
 |  |  |  | | |  |  | | | | | | | | | | | | |
 | — | 7:20 | — | — | 7:20 | — | — | 7:18 | — | — | 7:18 | — | — | 7:18 | — | — | 7:16 | — | — |
 | 5:30 | — | 5:31 | — | — | 5:32 | — | — | 5:32 | — | — | 5:34 | — | — | 5:35 | — | — | 5:35 | — |
mm | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 |
Temp °C | 16 | 14 | 14 | 14 | 14 | 16 | 14 | 11 | 14 | 14 | 14 | 15 | 14 | 15 | 15 | 18 | 18 | 19 | 16 |
Feels °C | 11 | 9 | 9 | 10 | 11 | 13 | 10 | 7 | 12 | 12 | 11 | 12 | 12 | 10 | 9 | 11 | 10 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 14 | SW 13 | SW 13 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 12 | SW 12 | SW 13 | WSW 13 | SW 13 | SW 12 | — | SW 14 | SW 14 |
| kJ | 2185 | 2775 | 2235 | 2574 | 5896 | 4932 | 4065 | 2927 | 2020 | 1346 | 785 | 833 | 990 | 876 | 486 | 730 | — | 5429 | 3992 |
Swell 2 Height (m) Direction Period (s) | — | S 17 | WSW 18 | S 16 | — | — | — | W 19 | WSW 18 | WSW 17 | WSW 16 | WSW 15 | WSW 15 | SW 17 | WSW 11 | SW 15 | — | — | — |
| kJ | — | 6 | 31 | 5 | — | — | — | 7 | 31 | 57 | 86 | 179 | 167 | 104 | 281 | 453 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 16 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 171 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | N 4 | N 5 | N 5 | NNW 5 | NW 5 | WNW 6 | SW 15 | SW 14 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 13 | 34 | 37 | 63 | 98 | 258 | 9103 | 7042 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 23 | 23 | 23 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 41 | 0 | 0 | 41 | 41 | 41 | 277 | 473 | 249 |
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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