
Surf Forecasts:
La Tranche sur Mer surf forecast from 19 Jul 2026:
- Most powerful swell: Sunday 26 Jul, 2AM (local time) - 2.5ft (0.8m), 6s period, WNW swell with 56 kJ wave energy.
Best Forecast Surf Conditions for La Tranche sur Mer this week:
The most powerful waves expected at La Tranche sur Mer in the next 16 days are 0.8m 6s and forecast to arrive on Sunday (Jul 26) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Saturday (Jul 25) at 8PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2AM (Sun 26th Jul) | 2.5ft (0.8m) 6s |
Table - best surf conditions forecast for La Tranche sur Mer over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s be straight with you—this is a tough one. The forecast is showing a real flat spell for the next couple of weeks, so you’re going to need to be patient.
The first surf we can even talk about isn’t until Tuesday the 28th of July, and even then it’s just barely a whisper. The pattern is dominated by tiny, weak swell and inconsistent wind, with a long gap of nothing worthwhile from now until then. There’s a prolonged stretch of days with little to no surfable energy, so don’t expect much.
La Tranche sur Mer is the only spot on the cards, and honestly, it’s a beginner’s game this entire period. The water is sitting at a very warm 73°—that’s *much warmer than normal* for the time of year, so you won’t need a thick suit.
The first real chance you get is on Tuesday morning, July 28th. A tiny 2ft swell from the WNW, with a period of 9 seconds, pushing in. The combined energy is weak (77), so it’s not going to have any punch. The wind is a light cross-off from the N at 18 mph, which will keep things clean. It’s surfable, but only just. The afternoon picks up a bit to 3ft from the same direction, but a fresh 22 mph offshore from the NW makes it a bit of a battle. The wave energy goes up a notch to moderate (173), but the wind is strong. This is the best we’ve got, and it’s not saying much.
Wednesday morning, July 29th is probably the pick of the whole outlook. A 2ft swell from the W at 10 seconds, with a light 6 mph offshore from the NW. The energy is weak (77), but a light offshore will make the most of what little there is. It’s clean, but it’s barely a ripple.
The rest of the period is a flat, inconsistent mess of tiny 0.3ft to 2ft waves with poor conditions. Don’t bother. Sunday morning, August 2nd, has a glassy 2ft, but it’s short period (8 seconds) and weak energy (31). It’s a pretty picture, but not a surfable one.
This is a spot that can be fairly consistent, but this run is a dud. For a beginner, those tiny clean days might be enough to bob around, but for anyone wanting a real wave, it’s a waiting game. The setup is so small and weak that it honestly looks more interesting for a kite surfer than a paddle surfer on the windy days.
Rusty.
Short Range ForecastMostly dry. Warm (max 31°C on Tue night, min 16°C on Mon morning). Mainly fresh winds. | Days 5-7 Weather SummaryMostly dry. Warm (max 32°C on Wed night, min 19°C on Sat morning). Wind will be generally light. | |||||||||||||||||||
Sun 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | ||||||||||||||
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 8 | W 10 | NE 4 | NE 3 | NE 3 | ENE 4 | W 11 | W 10 | W 10 | W 10 | NW 5 | W 9 | W 9 | NW 4 | WNW 5 | W 9 | W 8 | W 8 | WNW 5 | WNW 6 |
Wave Graph | ||||||||||||||||||||
5 | 2 | 14 | 5 | 8 | 11 | 9 | 8 | 8 | 8 | 7 | 7 | 6 | 7 | 2 | 1 | 1 | 5 | 0 | 56 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | off | cross-off | cross | cross-off | cross | on | cross-off | cross-off | off | cross-off | cross-off |
High Tide | 9:28PM4.01m | 10:00AM3.62m | 10:18PM3.69m | 10:59AM3.40m | 11:29PM3.39m | 12:16PM3.25m | 00:53AM3.21m | 1:31PM3.21m | 2:07AM3.16m | 2:36PM3.27m | 3:08AM3.24m | 3:30PM3.41m | 3:58AM3.38m | |||||||
Low Tide | 3:09PM0.31m | 3:38AM0.41m | 3:56PM0.62m | 4:24AM0.74m | 4:45PM0.93m | 5:14AM1.05m | 5:40PM1.20m | 6:09AM1.29m | 6:42PM1.37m | 7:12AM1.42m | 7:50PM1.39m | 8:18AM1.39m | 8:55PM1.28m | |||||||
— | — | 6:31 | — | — | 6:33 | — | — | 6:35 | — | — | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — | |
— | 9:51 | — | — | 9:50 | — | — | 9:49 | — | — | 9:47 | — | — | 9:46 | — | — | 9:45 | — | — | 9:45 | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 30 | 22 | 30 | 30 | 22 | 30 | 31 | 24 | 29 | 32 | 25 | 29 | 30 | 26 | 29 | 29 | 24 | 26 | 23 |
Feels °C | 26 | 24 | 15 | 24 | 22 | 15 | 24 | 25 | 19 | 25 | 28 | 22 | 24 | 25 | 24 | 25 | 25 | 22 | 20 | 18 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | W 9 | W 9 | W 11 | W 11 | W 11 | W 10 | W 10 | ENE 3 | NW 5 | W 9 | W 9 | NW 4 | WNW 5 | W 9 | W 8 | W 8 | — | WNW 6 |
5 | 1 | 2 | 2 | 2 | 2 | 9 | 8 | 8 | 1 | 6 | 7 | 6 | 7 | 2 | 1 | 1 | 5 | — | 56 | |
Swell 2 Height (m) Direction Period (s) | — | W 10 | W 7 | W 12 | W 8 | NW 4 | W 6 | NW 5 | — | W 10 | W 10 | NW 5 | — | W 9 | W 9 | — | — | W 8 | — | — |
— | 2 | 1 | 3 | 1 | 1 | 1 | 1 | — | 8 | 7 | 1 | — | 2 | 2 | — | — | 1 | — | — | |
Swell 3 Height (m) Direction Period (s) | W 11 | — | W 13 | NW 7 | W 8 | W 8 | — | — | NW 5 | — | — | — | — | — | — | — | — | — | — | — |
2 | — | 3 | 2 | 1 | 1 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | NE 3 | NE 4 | NE 4 | NE 3 | NE 3 | ENE 4 | NE 3 | NE 3 | ENE 3 | NE 2 | NE 2 | ENE 2 | NW 2 | — | — | W 4 | NW 3 | NW 5 | WNW 5 | N 3 |
1 | 12 | 14 | 5 | 8 | 11 | 5 | 5 | 4 | 1 | 1 | 1 | 1 | — | — | 1 | 3 | 14 | 52 | 5 | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 520 | 203 | 191 | 338 | 203 | 237 | 338 | 237 | 237 | 338 | 151 | 237 | 381 | 237 | 532 | 565 | 444 | 516 | 1114 | 16 |
Best forecast wave conditions in Vendee | ||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the La Tranche sur Mer Surf forecast
The above surf forecast table for La Tranche sur Mer provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at La Tranche sur Mer can be found by selecting the local surf guide option on the grey menu. Our La Tranche sur Mer 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 (La Tranche sur Mer) 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 La Tranche sur Mer 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 La Tranche sur Mer, camping, hotels and holiday cottages in Vendee, consider staying in La Pallice which is 29 km (18 miles) away. Other places in and around Vendee where you can find information about places to rent, and car hire include Les Sables-d'Olonne which is 30 km (19 miles) away, La Rochelle, La Roche-sur-Yon and Marans.










