Surf Forecasts:
Lancelin surf forecast from 11 Sep 2026:
- Best quality surf: Saturday 12 Sep, 11PM (local time) - 8ft (2.5m), 16s period, WSW swell with glassy winds.
- Most powerful swell: Saturday 12 Sep, 2AM (local time) - 8ft (2.5m), 18s period, WSW swell with 4,137 kJ wave energy.
- Next surfable swell (1★+): Saturday 12 Sep, 11PM (local time) - 8ft (2.5m), 16s period with WSW swell.
Best Forecast Surf Conditions for Lancelin this week:
The surf forecast for Lancelin over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Sep 12) at 11PM. The primary swell is predicted to be 2.5m and 16s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Lancelin in the next 16 days are 2.5m 18s and forecast to arrive on Saturday (Sep 12) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Tuesday (Sep 15) at 2AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Sat 12th Sep) | 8ft (2.5m) 16s |
| Best Surf | 11PM (Sat 12th Sep) | 8ft (2.5m) 16s |
| Most Powerful | 2AM (Sat 12th Sep) | 8ft (2.5m) 18s |
Table - best surf conditions forecast for Lancelin over the next 16 days.
The Lowdown
Alright, mate. Rusty here.
We've got a mixed bag coming our way for Lancelin over the next couple of weeks. The swell is going to be pumping at times, but the wind is the real story. We’re looking at a lot of onshore and cross-onshore slop, so you’ve really got to pick your windows. The water temperature is sitting at about 65°, which is pretty standard for this time of year, so no surprises there.
The first real standout I can see is the Monday morning on the 14th of September. The wind goes nice and offshore from the ESE, and we’ve got a solid 8.2ft swell from the WSW. The period is a punchy 14 seconds, so there’s some proper groundswell energy in the water (2847). It’s going to be clean and powerful, but at that size, it’s one for the experienced crew only.
Then, Tuesday the 15th looks similar. Another morning with offshore ENE wind, again around 8.2ft from the WSW. It’ll be a touch windier, but still clean. This is likely your second-best window for the near-term. The swell energy is still strong (2989).
Things get a bit messy after that with a lot of strong, choppy wind until we look further out. Now, for the long-range standouts, keep an eye on Sunday the 20th of September. We’ve got an absolute beast of a swell coming in. The morning shows a massive 14.8ft from the SW with a very long 18-second period. The combined energy is off the charts at 11977. The wind is just a light breeze, so it should be glassy. This is *huge* though. Only for experts, and even then, it’s a serious mission. Monday the 21st and Tuesday the 22nd also have some decent leftover swell, but the winds get a bit trickier.
It’s worth noting that Lancelin is a reef break, so when those long-period swells hit, it can get a bit shifty and the currents can be strong. Be smart out there.
Short Range ForecastSome drizzle, heaviest during Sat morning. Warm (max 21°C on Fri morning, min 14°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 6mm), mostly falling on Tue afternoon. Warm (max 29°C on Tue afternoon, min 12°C on Mon morning). Mainly fresh winds. | ||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | |||||||||||||||
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) | WSW 19 | WSW 19 | WSW 18 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | SW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 15 | WSW 14 | WSW 14 | WSW 13 | WSW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1301 | 1867 | 4137 | 2535 | 3369 | 2701 | 1875 | 2731 | 3305 | 2847 | 3183 | 3336 | 2736 | 2392 | 1823 | 1314 | 1344 | 1010 | 826 | 634 | 288 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-off | off | cross | cross-off | off | off | cross-off | cross-on | cross-on | cross | cross-on | cross-on | on |
High Tide | 9:32AM0.51m | 10:19PM0.41m | 10:10AM0.44m | 10:26PM0.48m | 10:40AM0.36m | 10:38PM0.53m | 10:53AM0.29m | 10:52PM0.57m | 9:04AM0.24m | 11:10PM0.58m | 11:32PM0.59m | 00:00AM0.57m | |||||||||
Low Tide | 4:18PM0.22m | 3:53AM0.25m | 3:54PM0.25m | 4:49AM0.24m | 3:32PM0.25m | 5:44AM0.23m | 3:17PM0.24m | 6:49AM0.24m | 2:54PM0.21m | 2:07PM0.17m | 1:57PM0.14m | ||||||||||
 | |  |  | | | |  |  | | | | |  |  | | | | | |  | |
 | 6:22 | — | — | 6:22 | — | — | 6:20 | — | — | 6:18 | — | — | 6:18 | — | — | 6:16 | — | — | 6:16 | — | — |
 | — | 6:07 | — | — | 6:07 | — | — | 6:08 | — | — | 6:09 | — | — | 6:09 | — | — | 6:10 | — | — | 6:10 | — |
mm | — | — | — | 1 | — | — | — | — | — | — | — | — | 2 | 3 | 1 | — | — | — | — | — | 6 |
Temp °C | 21 | 20 | 18 | 17 | 17 | 16 | 17 | 17 | 17 | 17 | 20 | 18 | 23 | 29 | 20 | 24 | 22 | 18 | 20 | 20 | 16 |
Feels °C | 18 | 16 | 17 | 13 | 14 | 14 | 15 | 15 | 15 | 13 | 17 | 14 | 21 | 28 | 15 | 23 | 20 | 17 | 15 | 14 | 8 |
Swell 1 Height (m) Direction Period (s) | WSW 14 | WSW 19 | WSW 18 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | SW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 15 | WSW 14 | WSW 14 | WSW 13 | WSW 12 |
| kJ | 899 | 1867 | 4137 | 2535 | 3369 | 2701 | 1875 | 2731 | 3305 | 2847 | 3183 | 3336 | 2736 | 2392 | 1823 | 1314 | 1344 | 1010 | 826 | 634 | 288 |
Swell 2 Height (m) Direction Period (s) | WSW 19 | WSW 14 | — | WSW 7 | — | — | WSW 17 | — | — | — | — | — | WSW 20 | — | — | — | — | SW 22 | WSW 20 | SW 19 | WSW 18 |
| kJ | 1301 | 988 | — | 206 | — | — | 487 | — | — | — | — | — | 253 | — | — | — | — | 18 | 75 | 91 | 211 |
Swell 3 Height (m) Direction Period (s) | — | SW 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 208 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 4 | — | WNW 5 | — | — | — | — | — | — | — | — | SE 4 | — | — | — | — | — | — | NW 3 | WNW 4 | W 7 |
| kJ | 4 | — | 44 | — | — | — | — | — | — | — | — | 15 | — | — | — | — | — | — | 5 | 22 | 187 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 126 | 380 | 484 | 787 | 247 | 175 | 247 | 520 | 0 | 0 | 269 | 75 | 0 | 54 | 75 | 4 | 380 | 175 | 729 | 817 | 520 |
Best forecast wave conditions in Perth City Coast | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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Information about the Lancelin Surf forecast
The above surf forecast table for Lancelin provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Lancelin can be found by selecting the local surf guide option on the grey menu. Our Lancelin 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 (Lancelin) 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 Lancelin 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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