Surf Forecasts:
Les Conches surf forecast from 16 Aug 2026:
- Best quality surf: Tuesday 18 Aug, 2AM (local time) - 3ft (0.9m), 5s period, NW swell with cross-offshore winds.
- Most powerful swell: Friday 21 Aug, 5PM (local time) - 3.5ft (1.0m), 10s period, WNW swell with 201 kJ wave energy.
- Next surfable swell (1★+): Tuesday 18 Aug, 2AM (local time) - 3ft (0.9m), 5s period with NW swell.
Best Forecast Surf Conditions for Les Conches this week:
The surf forecast for Les Conches over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 18) at 2AM. The primary swell is predicted to be 0.9m and 5s period with a secondary swell of 0.5m and 5s. Another secondary swell of 0.1m and 10s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Les Conches in the next 16 days are 1.0m 10s and forecast to arrive on Friday (Aug 21) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Saturday (Aug 22) at 8PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Tue 18th Aug) | 3ft (0.9m) 5s |
| Best Surf | 2AM (Tue 18th Aug) | 3ft (0.9m) 5s |
| Most Powerful | 5PM (Fri 21st Aug) | 3.5ft (1.0m) 10s |
Table - best surf conditions forecast for Les Conches over the next 16 days.
The Lowdown
Right, look… I’ve been staring at the charts for Les Conches, and I gotta be straight with you – it’s a tough run coming up. The whole 16-day window is pretty much a write-off for any kind of decent paddle surfing. We’re looking at a real flat spell.
The first real chance to even think about it doesn’t show until Saturday the 22nd of August, and even then, it’s barely a whisper. We get a tiny, weak swell from the W at 2 ft, and the period is a short 8 seconds. The combined swell energy is a measly 54. The one saving grace is a light cross-offshore breeze from the NNE, which will keep the surface clean. But honestly, it’s a session for the log or a longboard, and that’s being generous. The water temp is around 71°, which is about average for this time of year.
After that, it’s back to next to nothing. There are a few mornings with clean conditions and a sniff of offshore wind – like the morning of Monday the 24th with an ESE breeze – but the swell drops to 1 ft or less. The energy numbers are pathetic, often in the single or low double digits. It’s just not happening.
We get a tiny bump of energy around the 30th, with a 2 ft W swell pushing the combined energy up to 123, but the wind is straight onshore or cross-on from the W, making it a choppy mess. The swell period does stretch to 11 seconds on the 30th morning, hinting at a bit of groundswell, but with no decent wind to shape it, it’s a non-starter.
Honestly, for a beach setup like Les Conches, when it’s this small, weak, and windy, you’re better off looking at other sports. The consistent onshore flow and tiny swell make it look more interesting for a kite session than trying to paddle around in the slop. There’s just nothing to get excited about here. Stay tuned, forecasts can shift.
Rusty.
Short Range ForecastMostly dry. Warm (max 25°C on Mon afternoon, min 18°C on Tue morning). Winds decreasing (fresh winds from the WNW on Mon afternoon, light winds from the NNE by Tue morning). | Days 5-7 Weather SummaryMostly dry. Warm (max 21°C on Sat afternoon, min 16°C on Sat morning). Wind will be generally light. | ||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||
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) | WNW 7 | W 7 | WNW 4 | NW 5 | WNW 5 | W 9 | W 8 | W 8 | W 7 | W 10 | W 9 | WNW 9 | W 10 | W 10 | WNW 10 | W 9 | W 8 | W 8 | W 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 18 | 25 | 16 | 32 | 9 | 39 | 5 | 29 | 10 | 30 | 43 | 156 | 66 | 116 | 201 | 57 | 23 | 21 | 11 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross-on | cross-off | cross-on | cross-on | cross-on | on | cross-on | cross | cross-on | cross-on | cross-on | glassy | cross-on | cross | off | on | cross-off |
High Tide | 8:12AM4.01m | 8:25PM4.04m | 8:36AM3.77m | 8:50PM3.69m | 9:03AM3.51m | 9:21PM3.35m | 9:39AM3.25m | 10:05PM3.03m | 10:49AM2.99m | 1:43AM2.92m | 2:15PM3.08m | 2:54AM3.07m | |||||||
Low Tide | 2:20AM0.05m | 2:37PM0.22m | 3:00AM0.40m | 3:19PM0.57m | 3:42AM0.78m | 4:05PM0.94m | 4:28AM1.15m | 4:56PM1.28m | 5:22AM1.46m | 5:59PM1.53m | 6:30AM1.64m | 7:14PM1.59m | |||||||
 |  | |  | | | | |  |  | | | | | |  | | | | |
 | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — |
 | 9:14 | — | — | 9:13 | — | — | 9:10 | — | — | 9:08 | — | — | 9:07 | — | — | 9:06 | — | — | 9:04 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 22 | 25 | 22 | 20 | 21 | 20 | 21 | 21 | 19 | 19 | 20 | 20 | 18 | 20 | 19 | 19 | 21 | 23 |
Feels °C | 20 | 21 | 21 | 18 | 20 | 19 | 18 | 21 | 19 | 17 | 17 | 16 | 16 | 18 | 18 | 14 | 17 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | WNW 7 | W 7 | — | WNW 5 | WNW 5 | W 9 | W 8 | W 8 | W 7 | W 10 | W 9 | WNW 9 | W 10 | W 10 | WNW 10 | W 9 | W 8 | W 8 | W 8 |
| kJ | 18 | 25 | — | 13 | 9 | 2 | 5 | 10 | 10 | 30 | 43 | 156 | 66 | 116 | 201 | 57 | 23 | 21 | 11 |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 10 | W 8 | — | — | NW 6 | W 10 | — | — | — | — | — | — | W 12 | W 11 | W 11 | WSW 10 |
| kJ | — | — | — | 2 | 6 | — | — | 1 | 2 | — | — | — | — | — | — | 3 | 10 | 9 | 10 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | W 7 | — | — | — | — | — | — | — | — | — | — | — | W 11 | — | W 8 |
| kJ | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 10 | — | 5 |
Wind waves Height (m) Direction Period (s) | W 3 | — | WNW 4 | NW 5 | — | W 9 | WNW 3 | W 8 | WNW 5 | NW 3 | — | W 10 | W 5 | — | W 10 | — | — | NNE 2 | NNE 2 |
| kJ | 1 | — | 16 | 32 | — | 39 | 5 | 29 | 8 | 2 | — | 87 | 17 | — | 87 | — | — | 1 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 318 | 24 | 13 | 263 | 13 | 123 | 722 | 664 | 261 | 777 | 13 | 207 | 38 | 3 | 3 | 13 | 3 | 0 | 3 |
Best forecast wave conditions in Vendee | |||||||||||||||||||
Best forecast wave conditions in France | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Information about the Les Conches Surf forecast
The above surf forecast table for Les Conches provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Les Conches can be found by selecting the local surf guide option on the grey menu. Our Les Conches 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 Conches) 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 Conches 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.
Are you planning a holiday in Vendee? If you are looking for accommodation near Les Conches, camping, hotels and holiday cottages in Vendee, consider staying in Les Sables-d'Olonne which is 27 km (17 miles) away. Other places in and around Vendee where you can find information about places to rent, and car hire include La Pallice which is 32 km (20 miles) away, La Roche-sur-Yon, La Rochelle and Marans.
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