Lefthanders Surf Break

Lat Long: 33.90° S 114.98° E

Lefthanders Surf Forecast and Surf Report

Issued: 7 am 16 Aug 2026 (local time)

Forecast update in  hr  min

Today's Lefthanders sea temperature is
18.9° C
1.6° 

Lefthanders surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Lefthanders surf forecast from 16 Aug 2026:

  • Best quality surf: Sunday 16 Aug, 11AM (local time) - 10ft (3.0m), 15s period, WSW swell with cross-offshore winds.
  • Most powerful swell: Wednesday 19 Aug, 11PM (local time) - 16ft (5.0m), 16s period, WSW swell with 12,041 kJ wave energy.
  • Next surfable swell (1★+): Sunday 16 Aug, 11AM (local time) - 10ft (3.0m), 15s period with WSW 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 (Aug 16) at 11AM. The primary swell is predicted to be 3.0m and 15s period with a secondary swell of 0.3m and 24s. 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 5.0m 16s and forecast to arrive on Wednesday (Aug 19) at 11PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Sunday (Aug 16) at 8PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Sun 16th Aug)10ft (3.0m) 15s
Best Surf11AM (Sun 16th Aug)10ft (3.0m) 15s
Most Powerful11PM (Wed 19th Aug)16ft (5.0m) 16s

Table - best surf conditions forecast for Lefthanders over the next 16 days.


The Lowdown

G’day, it’s Rusty. Let’s get straight into it, because we’ve got a proper stretch of weather and swell to get through, and it starts with a big ol’ lump of ocean that’s got some tricky bits to it.

First things first, that water’s running a touch warmer than usual for this time of year, so it’s comfortable out there, but the ocean’s got a lot of energy in it right now. We’re looking at a solid 10ft swell pushing in from the west-southwest at Lefthanders (Big Island) this morning. The energy reading is cranked up to 3953, which is proper strong, and with that 15-second period, there’s plenty of push behind it. The thing is, with a swell this size, it’s just too much for the break. The winds are cross-off from the NNE at 19 mph, so the surface is clean, but honestly, this is beyond the fun zone. If you’re a beginner, stay well clear—this is more of a spectator event. This is too big and you won’t catch a wave, you’ll just be getting washed around.

The afternoon stays big with that 10ft swell, but the wind swings a bit more north and goes cross-shore at 19 mph, which chops things up. It’s still too big for any real fun. This is a pattern that’s going to hold for a few days. Monday sees the swell jump to 13ft and the wind howls onshore from the west at 28 mph. That’s a total write-off. Heavy rain too. Don’t even bother looking at the ocean that day. Tuesday morning drops slightly to 15ft but the period is a long 16 seconds and the energy is massive at 12137. That’s a freight train, but it’s just too much. The wind is gentle from the NW at 9 mph, so the surface is relatively clean, but the raw power is going to close out and make it a washing machine. Wednesday, Thursday, Friday all stay well above the 13ft mark with moderate to fresh cross-onshore winds and messy, lumpy conditions. The size is just relentless. It’s not until Saturday the 22nd that things start to back off a little, dropping to 8ft in the afternoon, but the wind is cross-shore and the energy has backed off to 2903. That’s more of a marginal call with questionable tides. You might find a few, but it’s not worth getting excited about.

Now, here’s where things start to turn. On Sunday the 23rd, the swell is still pushing 10ft from the southwest, but that period is down to 14 seconds, and the energy is down to a more manageable 3240. The wind is your friend here, blowing a clean offshore from the east at 9 mph. This is a solid call. It’s still a fair size, so you need to be comfortable, but the conditions are good. The afternoon drops a touch to 8ft with the wind going light east-southeast at 6 mph, and that’s when it gets proper good. Clean faces, some push, and the energy is at 2109. This is a standout window. It’s not for beginners—that 8ft is still meaty—but for anyone who knows what they’re doing, this is the best we’ve seen in a while.

After that, the swell starts to fade out. Monday the 24th is a step down to 6ft with a moderate cross-shore wind, making things a bit bumpy. The energy has dropped off to 1301, so it’s marginal. Tuesday is a mess with fresh onshore winds and lumpy waves. There’s a period of a few days here where it’s just not on. The waves are small, the wind is messy, and the energy is just not there. This stretch from Monday through Wednesday is basically dead. You’re better off doing something else.

Looking ahead to the end of the window, we get another pulse. On Sunday the 30th, it’s back to over 8ft but it’s blown out with onshore winds, and Monday the 31st actually shapes up nicely. The swell is down to 5ft from the WSW with a 15-second period, the energy is moderate at 1414, and the wind is dead calm. It’s glassy. Flat out glassy. This is a lovely, clean little morning for experienced surfers. It’s not big, but it’s clean and fun. The long period might make it a bit straight at a beach break, but for a reef like this, it should be sweet. That’s your second standout, all the way out on Monday the 31st.

The long and short of it is this: we’ve got a lot of big, messy swell to get through this week. It’s powerful, but it’s too much. The standout windows are Sunday the 23rd and then Monday the 31st. The 23rd is the one with more size and push, but the 31st is the one with the perfect glassy surface. Don't waste your energy on the rest, it's just going to beat you up.

Rusty.

Short Range Forecast

Moderate rain (total 14mm), heaviest on Mon morning. Very mild (max 19°C on Sun afternoon, min 13°C on Mon afternoon). Winds decreasing (strong winds from the W on Mon afternoon, light winds from the SW by Mon night).

Days 4-6 Weather Summary

Light rain (total 3mm), mostly falling on Wed morning. Very mild (max 16°C on Wed morning, min 14°C on Wed night). Wind will be generally light.

Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
!
!
0
0
0
0
!
0
0
!
!
!
!
!
!
!
!
!
3
2
!
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
WSW
15
3
WSW
14
3
WSW
15
4.5
W
15
5.5
WSW
12
5
WSW
15
4.5
WSW
16
4.5
WSW
16
3.5
WSW
15
4.5
WSW
15
5
WSW
16
4.5
WSW
16
4
WSW
16
4
WSW
16
4
SW
15
3.5
SW
14
4
SW
15
3.5
SW
15
2.5
SW
14
2.5
SW
14
3.5
SW
15
Wave Graph
Metric surfscale
Energy kJ
3866
3388
3576
8640
8463
10483
10045
8820
6098
9004
10942
11091
8824
6991
7059
5648
6086
4578
2927
2726
4890
Wind (km/h)
30
NNE
30
N
35
NNW
40
WSW
40
WSW
20
SW
15
WNW
25
NW
30
WNW
15
W
10
WSW
10
WSW
15
WSW
15
SW
10
E
5
NNE
10
WNW
5
W
10
SW
15
S
15
ESE
Wind State
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
on
on
cross-on
off
cross-off
cross-on
glassy
cross-on
cross
cross-off
High Tide
10:48AM0.62m
11:55PM0.64m
10:00AM0.54m
00:10AM0.70m
00:37AM0.74m
1:15AM0.78m
2:08AM0.81m
3:39AM0.84m
Low Tide
5:10PM0.47m
6:30AM0.52m
4:12PM0.44m
3:35PM0.38m
3:25PM0.34m
3:31PM0.30m
3:41PM0.29m
3:54PM0.28m
clear
clear
clear
mod rain
rain showers
cloud
cloud
cloud
rain showers
rain showers
rain showers
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:58
6:56
6:56
6:54
6:54
6:52
6:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:50
5:51
5:51
5:52
5:52
5:53
5:53
 mm
9
3
2
2
1
Temp °C
17
19
19
18
14
14
14
15
16
16
16
15
16
15
15
15
16
15
16
16
15
Feels °C
11
13
14
10
5
5
11
10
9
12
13
14
12
11
12
13
14
14
13
13
11
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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