Surf Forecasts:
Les Dunes surf forecast from 1 Sep 2026:
- Best quality surf: Tuesday 1 Sep, 2PM (local time) - 3.5ft (1.1m), 10s period, W swell with onshore winds.
- Most powerful swell: Monday 7 Sep, 11PM (local time) - 5ft (1.6m), 11s period, W swell with 584 kJ wave energy.
- Next surfable swell (1★+): Tuesday 1 Sep, 2PM (local time) - 3.5ft (1.1m), 10s period with W 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 Tuesday (Sep 01) at 2PM. The primary swell is predicted to be 1.1m and 10s period. The wind is predicted to be onshore as the swell arrives.
The most powerful waves expected at Les Dunes in the next 16 days are 1.6m 11s and forecast to arrive on Monday (Sep 07) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Wednesday (Sep 02) at 2AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2PM (Tue 1st Sep) | 3.5ft (1.1m) 10s |
| Best Surf | 2PM (Tue 1st Sep) | 3.5ft (1.1m) 10s |
| Most Powerful | 11PM (Mon 7th Sep) | 5ft (1.6m) 11s |
Table - best surf conditions forecast for Les Dunes over the next 16 days.
The Lowdown
Alright folks, Rusty here from the beach. Let me break down the next couple of weeks for Les Dunes for my imperial-minded buddies.
Honestly, it’s gonna be a test of patience. The next 16 days are a real scrabble. There's swell trickling in here and there, but the wind just won’t play ball for most of it. Big ol' gap at the start with nothin' worth gettin' wet for. Water temp's about 68°F, which is totally average for this time of year.
Alright, so we're lookin' at a long dry spell of about 13 days before any real contender shows up. The first week is littered with tiny, weak surf. Combined energy numbers are all in the dumps (like 53, 36), just piddly stuff. The winds are constantly from the wrong direction—cross, cross-on, never truly clean. Not worth a second look.
The only bright spot, and it's a long-range bet, is the run from Monday the 14th through Wednesday the 16th of September.
The absolute standout is the morning of Wednesday, September 16th. It’s game on. You’ll have a clean 12 mph offshore breeze from the ENE, smoothing everything out. The swell is comin' from the WSW at about 4ft. The combined energy is a punchy 258, so there's some grunt behind it. Now, the period is short, only 6 seconds, so it's gonna be a bit lumpy and soft, but that offshore wind is your best friend here. For a beginner spot, 4ft is gettin' close to the limit, so be smart.
The morning of Tuesday the 15th is a solid second option. You’ve got a cleaner look with a 9 mph offshore breeze from the ENE, but the swell is a bit smaller at 3ft from the west, with moderate energy (186). It'll be fun for a longboard or a foiler, but not the same punch as Wednesday.
For the experienced crew, the afternoon of Wednesday the 16th is your target. The wind stays offshore from the NE at 12 mph, keeping it clean. The swell bumps up to a solid 5ft from the WNW, and the energy cranks to 278. This is too big for a beginner spot, plain and simple. That kind of size with a short period is gonna close out and unload with some thump. If you’re not confident in a big closeout, paddle in.
The only other mention is the morning of Monday the 14th. Clean offshore wind (6 mph from the ENE), a 3ft swell from the west with a very long 12-second period. That's proper groundswell, energy is moderate (196), but that long period makes it break straight and walled here at Les Dunes. It’s a clean paddle, but the ride might be a bit boring.
So, plan your sessions accordingly. For the learner crew, get ready for Wednesday morning the 16th—clean, punchy, and fun. For the experts, the Wednesday afternoon the 16th offers more power if you can handle it. Everything else in this window? Leave the board in the car.
Good luck, and I'll catch ya out there.
- Rusty
Short Range ForecastMostly dry. Warm (max 20°C on Thu afternoon, min 17°C on Tue morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 30°C on Sun night, min 18°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | |||||||||||||||
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) | W 10 | W 9 | W 9 | WNW 8 | W 8 | WNW 8 | WNW 8 | W 8 | W 8 | W 8 | W 9 | W 9 | WNW 9 | WNW 9 | WNW 10 | W 9 | W 9 | W 9 | W 14 | W 12 | WNW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 273 | 168 | 78 | 53 | 33 | 19 | 47 | 57 | 46 | 68 | 73 | 78 | 119 | 113 | 98 | 41 | 45 | 42 | 66 | 213 | 531 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-off | cross | cross | cross | cross-on | cross-on | cross-off | cross-off | cross | cross-off | off | cross | off | cross-off | cross-off | off | cross-off | cross | cross-off |
High Tide | 7:48PM4.18m | 8:07AM3.99m | 8:27PM3.93m | 8:47AM3.76m | 9:14PM3.61m | 9:40AM3.48m | 10:23PM3.26m | 11:13AM3.24m | 00:45AM3.11m | 1:32PM3.31m | 2:26AM3.31m | 2:51PM3.63m | 3:29AM3.62m | ||||||||
Low Tide | 2:01PM0.20m | 2:24AM0.29m | 2:44PM0.41m | 3:09AM0.57m | 3:34PM0.69m | 4:02AM0.89m | 4:35PM0.96m | 5:09AM1.16m | 5:52PM1.13m | 6:29AM1.26m | 7:18PM1.08m | 7:51AM1.11m | 8:35PM0.80m | ||||||||
 |  |  |  | |  | | | | | | | | | | | | | | | | |
 | 7:26 | — | — | 7:26 | — | — | 7:28 | — | — | 7:30 | — | — | 7:31 | — | — | 7:31 | — | — | 7:33 | — | — |
 | — | 8:46 | — | — | 8:45 | — | — | 8:43 | — | — | 8:40 | — | — | 8:39 | — | — | 8:37 | — | — | 8:36 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 19 | 18 | 17 | 18 | 18 | 19 | 20 | 20 | 22 | 23 | 20 | 20 | 24 | 25 | 23 | 28 | 30 | 26 | 28 | 26 |
Feels °C | 18 | 18 | 16 | 16 | 15 | 15 | 20 | 20 | 20 | 23 | 21 | 18 | 20 | 22 | 23 | 19 | 27 | 27 | 22 | 23 | 21 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 9 | W 9 | WNW 8 | W 8 | WNW 8 | WNW 8 | W 8 | W 8 | W 8 | W 9 | W 9 | WNW 9 | WNW 9 | WNW 10 | W 9 | W 9 | W 9 | WSW 7 | W 12 | WNW 11 |
| kJ | 273 | 168 | 78 | 53 | 33 | 19 | 47 | 57 | 46 | 68 | 73 | 78 | 119 | 113 | 98 | 41 | 45 | 42 | 31 | 213 | 531 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | W 16 | — | W 12 | WNW 11 | SSE 3 | — | W 14 | SW 6 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — | 3 | 11 | 1 | — | 58 | 11 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 3 | — | W 9 | W 8 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | 14 | 12 | — |
Wind waves Height (m) Direction Period (s) | — | — | NW 4 | — | WNW 3 | WNW 3 | — | — | — | — | NW 3 | WNW 4 | — | NW 3 | ENE 3 | ESE 3 | — | WNW 4 | WNW 6 | WNW 6 | WNW 11 |
| kJ | — | — | 6 | — | 3 | 4 | — | — | — | — | 3 | 10 | — | 2 | 5 | 5 | — | 7 | 66 | 40 | 392 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 3 | 22 | 0 | 9 | 388 | 237 | 226 | 9 | 3 | 0 | 388 | 22 | 0 | 22 | 0 | 71 | 3 | 3 | 0 | 22 | 3 |
Best forecast wave conditions in Vendee | |||||||||||||||||||||
Best forecast wave conditions in France | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Les Dunes surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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.
Nearest