Les Dunes Surf Break

Lat Long: 46.56° N 1.84° W

Les Dunes Surf Forecast and Surf Report

Issued: 1 am 06 Sep 2026 (local time)

Forecast update in  hr  min

Today's Les Dunes sea temperature is
20.7°C
1.0° 

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


Les Dunes surf forecast from 6 Sep 2026:

  • Best quality surf: Monday 7 Sep, 8PM (local time) - 4.5ft (1.4m), 13s period, W swell with cross-onshore winds.
  • Most powerful swell: Monday 7 Sep, 8PM (local time) - 4.5ft (1.4m), 13s period, W swell with 663 kJ wave energy.
  • Next surfable swell (1★+): Sunday 6 Sep, 11AM (local time) - 2.5ft (0.7m), 11s period with WNW swell.

Best Forecast Surf Conditions for Les Dunes this week:

The surf forecast for Les Dunes over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 06) at 11AM. The primary swell is predicted to be 0.7m and 11s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Les Dunes in the next 16 days are 1.4m 13s and forecast to arrive on Monday (Sep 07) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Wednesday (Sep 09) at 2AM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Sun 6th Sep)2.5ft (0.7m) 11s
Best Surf 8PM (Mon 7th Sep)4.5ft (1.4m) 13s
Most Powerful 8PM (Mon 7th Sep)4.5ft (1.4m) 13s

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


The Lowdown

Imperial units:

Alright, let’s talk Les Dunes. Water’s sitting at 69°F, which is about 2°F warmer than usual for this time of year—not a big deal, but you’ll feel it if you’re used to the fall chill. This is a beginner-friendly beach break, fairly consistent, but the next week and a half is a grind. Swell stays small and messy, and the wind keeps playing games. The only real standout comes Wednesday the 9th in the morning, and that’s your window.

Right now, Sunday morning the 6th, we’ve got a tiny 2ft WNW swell with an 11-second period, and a light cross-off from the ESE. It’s clean-ish, but energy is weak (117). You can paddle out, but don’t expect much. Sunday afternoon turns onshore and drops to 2ft—skip it.

Monday the 7th brings a bit more size—3ft in the morning with a 15-second period, energy jumps to 454, but the wind is cross-on from the west at 10 km/h (6 mph), so it’s lumpy. Afternoon gets to 4ft but it’s cross-on and choppy (665). Not great.

Tuesday the 8th is a wash—4ft in the morning with onshore SW wind, then 4ft in the afternoon with a fresh 35 km/h (22 mph) SSW blow and light rain. Ugly.

Wednesday the 9th morning is the one. Swell comes up to 5ft from the WNW, period drops to 8 seconds, but energy is solid at 556. Wind is cross from the NW at 20 km/h (12 mph), so it’s a bit bumpy, but the tide and wind are favorable. That’s the best we get—though 5ft is pushing it for beginners, so if you’re not solid, sit this one out. Afternoon fades to 4ft and the cross wind returns.

Thursday the 10th morning has a glassy spell—wind drops to 5 km/h (3 mph) from the WSW, and it’s flat-ish at 2ft (96 energy). Surfable, but weak. Afternoon is onshore and small.

Friday the 11th morning is onshore with 3ft and a short 8-second period—not worth it. Afternoon is 4ft but cross-on and choppy.

Saturday the 12th morning is calm and glassy, but the swell is only 3ft with an 8-second period (76 energy). Little waves, no push.

From the 13th through the 21st, it’s a long stretch of waist-high stuff—consistently around 2ft to 3ft, with periods mostly 9–12 seconds. Mornings often have clean offshore or cross-off winds (NE, E, N, or NNE), which is nice, but energy is usually under 200. Swell direction is always from the west or WNW, matching the optimum, but there’s just no size. Best of that weak bunch is the 16th morning (NE offshore at 15 km/h / 9 mph, 2ft, 10 seconds, 121) and the 17th morning (NE offshore, 3ft, 173). Clean, but tiny.

Bottom line: the only true standout is Wednesday the 9th morning—5ft WNW with moderate energy and a cross wind. After that, it’s a long flat spell. For a beginner spot, the lack of size is fine, but don’t expect any juice. If you’re desperate, the glassy mornings around the 12th and 14th give you something, but it’s more of a foam ball session. If the wind stays offshore, it’ll be clean, but there’s no power. Unless you’re a longboarder or a learner, the calendar’s looking empty until the next system. Forecasts change, though—this spot doesn’t stay this quiet for long.

Rusty.

Short Range Forecast

Light rain (total 3mm), mostly falling on Tue afternoon. Warm (max 27°C on Sun afternoon, min 16°C on Tue night). Winds increasing (light winds from the ESE on Sun morning, strong winds from the NNW by Tue night).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 19°C on Fri afternoon, min 16°C on Wed morning). Wind will be generally light.

Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
0
0
0
0
0
0
!
0
0
1
0
0
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
WNW
11
0.6
W
10
0.3
WSW
18
0.9
WSW
15
1.3
W
13
1.3
W
12
1.2
W
11
1.1
W
10
1.2
W
7
1.5
WNW
8
1.2
WNW
9
0.9
WNW
9
0.7
WNW
9
0.4
WNW
9
0.5
W
8
1
W
10
1.3
W
8
1.1
W
8
0.8
W
8
0.7
W
8
0.5
W
7
Wave Graph
Metric surfscale
Energy kJ
117
70
62
360
591
472
329
247
150
313
238
126
88
30
28
188
224
153
76
57
27
Wind (km/h)
10
ESE
20
WSW
15
W
10
W
20
WSW
15
WSW
20
SW
35
SSW
30
NNW
20
NW
20
WNW
10
WNW
5
WSW
15
W
10
NW
5
SW
15
W
10
NNE
0
ENE
20
WNW
15
N
Wind State
cross-off
on
cross-on
cross-on
cross-on
cross-on
on
on
cross-off
cross
cross
cross
glassy
cross-on
cross
on
cross-on
cross-off
glassy
cross
cross-off
High Tide
1:32PM3.31m
2:26AM3.31m
2:51PM3.63m
3:29AM3.62m
3:47PM4.00m
4:18AM3.93m
4:33PM4.32m
4:59AM4.17m
5:13PM4.54m
5:36AM4.32m
5:49PM4.63m
6:09AM4.37m
6:22PM4.58m
Low Tide
7:18PM1.08m
7:51AM1.11m
8:35PM0.80m
8:59AM0.79m
9:35PM0.44m
9:53AM0.43m
10:24PM0.11m
10:40AM0.12m
11:07PM-0.13m
11:22AM-0.09m
11:47PM-0.24m
12:02PM-0.18m
00:25AM-0.21m
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
light rain
rain showers
clear
clear
part cloud
cloud
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:31
7:33
7:35
7:35
7:37
7:39
7:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:37
8:36
8:34
8:31
8:30
8:28
8:25
 mm
2
1
Temp °C
24
27
22
20
21
20
19
20
19
17
18
18
17
18
18
18
19
19
19
21
20
Feels °C
23
25
22
21
21
21
17
17
15
12
13
15
17
16
16
18
18
18
20
20
18
  • Map Icons:
  • Break
  • 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 Les Dunes Surf forecast

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

Les Dunes is 8 km (5 miles) from Les Sables-d'Olonne. If you plan a holiday in Vendee, look for hotels and other accommodation in Les Sables-d'Olonne. Les Sables-d'Olonne has rooms for a wide range of budgets as well as car hire and transport links.

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