Lacanau Ocean Surf Break

Lat Long: 45.00° N 1.21° W

Lacanau Ocean Surf Forecast and Surf Report

Issued: 1 pm 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Lacanau Ocean sea temperature is
23.2°C
2.5° 

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


Lacanau Ocean surf forecast from 8 Sep 2026:

  • Best quality surf: Wednesday 9 Sep, 11AM (local time) - 5ft (1.5m), 9s period, WNW swell with cross-offshore winds.
  • Most powerful swell: Tuesday 8 Sep, 5PM (local time) - 5.5ft (1.7m), 11s period, W swell with 658 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 9 Sep, 11AM (local time) - 5ft (1.5m), 9s period with WNW swell.

Best Forecast Surf Conditions for Lacanau Ocean this week:

The surf forecast for Lacanau Ocean over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 09) at 11AM. The primary swell is predicted to be 1.5m and 9s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Lacanau Ocean in the next 16 days are 1.7m 11s and forecast to arrive on Tuesday (Sep 08) at 5PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Wed 9th Sep)5ft (1.5m) 9s
Best Surf11AM (Wed 9th Sep)5ft (1.5m) 9s
Most Powerful 5PM (Tue 8th Sep)5.5ft (1.7m) 11s

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


The Lowdown

Alright, this is Rusty. Let's talk about what's on the menu for the next couple of weeks here at Lacanau Ocean.

The first few days are a total write-off, I'm not gonna lie. We've got a consistent, but messy, 4ft of west-northwest swell, but it's being torn apart by cross-onshore winds. The water is a very unusual 74°, which is a solid 5° warmer than it should be for this time of year, so it feels like a summer holdover.

We need to wait until Thursday the 10th for the first real chance. On Thursday morning, a clean 3ft swell from the west-northwest rolls in with a light offshore breeze. The wave energy is still modest (182), but it’s clean. That window is very short-lived though, as the wind swings onshore by the afternoon and washes it out. Friday and Saturday are just small and average, with hardly any energy to speak of – we’re looking at combined energy figures in the 50s and 70s, which is essentially flat.

The highlight of this whole forecast comes on the morning of Sunday the 13th. We get a 4ft groundswell from the west-northwest with a long 13-second period, loading up a solid 476 units of energy. The wind is glassy, dead calm. That’s the morning to be out there. The session will be clean, lined-up, and punchy for the size. The period is long enough that the sets will have some good power, and the gaps between them will make the paddle out a breeze. It won't be too big, so it's a good one for the intermediate crew.

After that high, things drop off again. The morning of Monday the 14th is clean with a 4ft swell, but the energy is half what it was on Sunday. The following week is nothing special – small, chopped up, or just tiny. A few windows of clean conditions pop up here and there, but the swell is just too small to get excited about.

The final real standout is way out there, on the morning of Wednesday the 23rd of September. It’s a long way off, so keep an eye on it, but it shows a 3ft swell from the west with a very long 14-second period and a clean offshore wind. The energy reading is 303, which is decent for that size. The period is long enough that it could be a bit straight at the beach, but with offshore winds, it could be absolutely perfect.

Forget the afternoons, they’re almost all blown out. The first week is rough, but we've got a couple of solid mornings to aim for if you're patient.

- Rusty

Short Range Forecast

Light rain (total 2mm), mostly falling on Tue afternoon. Warm (max 21°C on Tue afternoon, min 15°C on Wed morning). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 24°C on Sun afternoon, min 19°C on Fri afternoon). Wind will be generally light.

Tue
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
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
2
0
0
1
0
0
1
0
0
1
0
2
2
0
2
2
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
W
11
1.8
WNW
9
1.5
WNW
9
1.4
WNW
9
1.2
WNW
9
1
WNW
10
0.8
WNW
10
0.7
NW
9
0.5
NW
8
0.9
WNW
10
0.9
WNW
9
0.7
WNW
8
0.7
WNW
8
0.8
WNW
14
1.2
WNW
13
1.2
WNW
12
1.1
WNW
11
1
WNW
10
0.9
WNW
10
0.8
WNW
9
Wave Graph
Metric surfscale
Energy kJ
658
549
360
318
242
179
117
81
32
143
143
73
68
207
469
393
296
206
160
98
Wind (km/h)
25
WSW
25
NNW
10
NNE
20
NNW
15
N
5
NE
15
NW
10
N
5
NNW
15
NW
10
N
5
NW
20
NW
15
NNE
5
ENE
20
NNW
15
NNE
10
ENE
20
NNW
15
ENE
Wind State
on
cross-on
cross-off
cross-on
cross
glassy
cross-on
cross
glassy
cross-on
cross
glassy
cross-on
cross-off
glassy
cross
cross-off
cross-off
cross
cross-off
High Tide
3:33PM3.77m
4:05AM3.69m
4:21PM4.07m
4:48AM3.92m
5:03PM4.28m
5:27AM4.06m
5:41PM4.37m
6:03AM4.11m
6:18PM4.32m
6:37AM4.07m
6:52PM4.17m
7:08AM3.94m
7:24PM3.92m
Low Tide
9:29PM0.46m
9:45AM0.48m
10:17PM0.16m
10:30AM0.20m
10:59PM-0.05m
11:11AM0.01m
11:37PM-0.14m
11:49AM-0.07m
00:13AM-0.11m
12:27PM-0.04m
00:48AM0.03m
1:03PM0.11m
1:23AM0.26m
light rain
rain showers
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:35
7:35
7:37
7:39
7:39
7:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:30
8:28
8:25
8:23
8:22
8:20
8:17
 mm
1
1
Temp °C
21
19
17
18
18
17
19
18
18
19
19
19
21
21
21
24
24
24
28
27
Feels °C
19
16
15
14
15
16
16
16
18
18
17
21
19
19
19
20
19
23
25
23
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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 Lacanau Ocean Surf forecast

The above surf forecast table for Lacanau Ocean provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Lacanau Ocean can be found by selecting the local surf guide option on the grey menu. Our Lacanau Ocean 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 (Lacanau Ocean) 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 Lacanau Ocean 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.

Lacanau Ocean is 38 km (24 miles) from Arcachon. If you plan a holiday in Gironde, look for hotels and other accommodation in Arcachon. Arcachon has rooms for a wide range of budgets as well as car hire and transport links.

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