Lacanau Ocean Surf Break

Lat Long: 45.00° N 1.21° W

Lacanau Ocean Surf Forecast and Surf Report

Issued: 7 pm 27 Aug 2026 (local time)

Forecast update in  hr  min

Today's Lacanau Ocean sea temperature is
24.3°C
2.9° 

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 28 Aug 2026:

  • Best quality surf: Tuesday 1 Sep, 2AM (local time) - 5ft (1.5m), 10s period, WNW swell with cross-offshore winds.
  • Most powerful swell: Saturday 29 Aug, 5AM (local time) - 7ft (2.2m), 9s period, W swell with 800 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 1 Sep, 2AM (local time) - 5ft (1.5m), 10s 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 Tuesday (Sep 01) at 2AM. The primary swell is predicted to be 1.5m and 10s 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 2.2m 9s and forecast to arrive on Saturday (Aug 29) at 5AM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Tue 1st Sep)5ft (1.5m) 10s
Best Surf 2AM (Tue 1st Sep)5ft (1.5m) 10s
Most Powerful 5AM (Sat 29th Aug)7ft (2.2m) 9s

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


The Lowdown

Alright folks, Rusty here. Let’s talk about what’s brewing for the coming weeks out at Lacanau Ocean. Gotta be straight with you – the first week is a bit of a write-off. We’ve got a long wait ahead before any real clean waves show up.

The forecast kicks off with a pulse of swell, but don’t get excited. Friday the 28th through Sunday the 30th, we’re looking at 5ft to 7ft of messy, onshore mush. Wind is hammering it from the west and west-southwest, and the wave period is short, around 7 to 10 seconds, which means weak, choppy lines. Combined energy is moderate, bouncing between 309 and 533, but the quality is just poor. This is more of a kite-surfing session than a paddle-out.

That poor run stretches all the way through the end of the first week and into the start of September. Monday the 31st and Tuesday the 1st are still a struggle – onshore cross-winds and marginal conditions with swell around 3ft to 5ft. We get a tiny flicker of hope on Wednesday morning, September 2nd, when a light north-northeast cross-offshore breeze cleans up a 4ft, 9-second swell from the northwest. Combined energy is only 172, so it’s weak, but it’s clean.

Then, from the 3rd to the 5th, we hit a flat spell. Swell drops right off to 1.0ft to 2ft. Honestly, it’s barely worth looking at the ocean. The waiting game continues.

Now, hold on. The real standout window is shaping up for the morning of Sunday, September 6th. This is your best bet by a long shot. We’ve got a clean 4ft swell rolling in from the northwest with an 11-second period, giving it a bit of punch. The combined energy hits 371 – moderate but solid. What really sells it is that wind swinging to a light offshore from the northeast, keeping the surface glassy. This is groundswell, so at a beach break like Lacanau, expect longer gaps between sets and waves with proper shape. This is worth the wait.

After that, we fade out again. Monday the 7th and Tuesday the 8th offer small, clean-ish morning windows with a light offshore, but the swell drops to 3ft to 4ft. The rest of the second week is a mix of weak, onshore slop or tiny glassy conditions with hardly any energy. The morning of Friday, September 11th, you’ll see a flat calm ocean with glassy conditions for a 2ft, 9-second swell, but it’s barely a ripple with only 108 combined energy.

So, in short: the first week is a bust. The only day to really circle on the calendar is Sunday, September 6th. Get out there early, and you’ll get the best of it.

Rusty.

Short Range Forecast

Moderate rain (total 13mm), heaviest on Thu night. Warm (max 23°C on Thu night, min 18°C on Thu night). Mainly fresh winds.

Days 5-7 Weather Summary

Light rain (total 6mm), mostly falling on Tue morning. Warm (max 22°C on Wed afternoon, min 17°C on Tue morning). Wind will be generally light.

Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
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
0
0
0
0
0
1
2
1
0
0
1
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)
0.7
W
7
2
W
7
1.6
W
8
1.9
W
8
1.8
W
9
1.6
W
8
1.6
W
9
1.6
WNW
10
1.4
WNW
9
1.4
WNW
9
1.6
WNW
9
1.7
WNW
10
1.5
WNW
10
1.3
WNW
10
1
WNW
10
0.9
WNW
9
1.1
NW
9
1.2
NW
8
0.9
NW
5
Wave Graph
Metric surfscale
Energy kJ
52
395
283
489
533
360
402
454
329
287
400
540
451
301
201
113
172
191
38
Wind (km/h)
20
W
30
W
15
WSW
30
W
30
WSW
20
WSW
15
SW
15
SSW
20
WNW
20
W
15
W
15
NW
15
NE
10
N
20
NNW
20
N
10
NNE
25
NNW
15
NE
Wind State
on
on
on
on
on
on
cross-on
cross-on
on
on
on
cross-on
cross-off
cross
cross-on
cross
cross-off
cross
cross-off
High Tide
5:34AM3.74m
5:46PM4.04m
6:04AM3.85m
6:16PM4.11m
6:34AM3.90m
6:46PM4.11m
7:04AM3.89m
7:18PM4.02m
7:37AM3.80m
7:53PM3.85m
8:12AM3.65m
8:33PM3.60m
Low Tide
11:15PM0.31m
11:24AM0.30m
11:47PM0.15m
11:57AM0.17m
00:19AM0.06m
12:31PM0.11m
00:53AM0.05m
1:06PM0.13m
1:29AM0.14m
1:44PM0.23m
2:07AM0.32m
2:26PM0.42m
2:51AM0.57m
thunderstorm
rain showers
rain showers
rain showers
clear
clear
clear
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
light rain
light rain
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:20
7:22
7:22
7:24
7:24
7:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:52
8:50
8:47
8:45
8:44
8:43
8:40
 mm
4
3
1
1
2
2
4
2
Temp °C
23
20
21
21
21
21
21
21
22
21
21
21
20
17
19
20
19
22
21
Feels °C
22
15
16
19
18
18
20
21
21
20
20
20
19
16
18
18
18
19
18
  • Map Icons:
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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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