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La Tranche sur Mer surfForecast / Vendee / France
12 Day Weather and Surf, issued 1 am Thursday 21 Aug 2025 CEST
Best Forecast Surf Conditions for La Tranche sur Mer this week:
The surf forecast for La Tranche sur Mer over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 22) at 2PM. The primary swell is predicted to be 0.5m and 12s period with a secondary swell of 0.3m and 5s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at La Tranche sur Mer in the next 12 days are 2.4m 17s and forecast to arrive on Wednesday (Aug 27) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Thursday (Aug 21) at 8PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2PM (Fri 22nd Aug) | 1.5ft (0.5m) 12s |
| Best Surf | 5AM (Tue 26th Aug) | 4.5ft (1.3m) 19s |
| Most Powerful | 5AM (Wed 27th Aug) | 8ft (2.4m) 17s |
Table - best surf conditions forecast for La Tranche sur Mer over the next 12 days.
Short Range Forecast Mostly dry. Warm (max 28°C on Sat night, min 16°C on Thu morning). Winds decreasing (fresh winds from the NW on Thu night, calm by Sat afternoon). | Days 3-6 Weather Summary Mostly dry. Warm (max 31°C on Sun night, min 18°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wednesday 27 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 6 | 16 | 5 | 13 | 12 | 11 | 10 | 10 | 9 | 9 | 8 | 12 | 10 | 10 | 20 | 20 | 20 | 18 | 16 | 15 | 14 |
Wave (?)Graph  | |||||||||||||||||||||
| Energy (?) | 11 | 8 | 46 | 64 | 138 | 90 | 51 | 53 | 35 | 32 | 24 | 39 | 81 | 176 | 247 | 2305 | 2712 | 2773 | 2829 | 2962 | 1363 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | cross | cross- off | cross- off | cross- on | off | cross- on | cross- on | off | cross | cross- on | cross | on | cross- off | cross- off | cross- off | cross | cross | cross |
High Tide / height (m) | 4:52PM 4.23 | 5:19AM 4.08 | 5:32PM 4.42 | 5:55AM 4.19 | 6:05PM 4.52 | 6:25AM 4.23 | 6:34PM 4.52 | 6:50AM 4.21 | 6:57PM 4.44 | 7:09AM 4.14 | 7:17PM 4.29 | 7:27AM 4.04 | 7:37PM 4.10 | ||||||||
Low Tide / height (m) | 9:59AM 0.66 | 10:31PM 0.36 | 10:48AM 0.37 | 11:16PM 0.12 | 11:30AM 0.15 | 11:56PM -0.03 | 12:10PM 0.02 | 12:34AM -0.08 | 12:47PM -0.00 | 1:10AM -0.02 | 1:24PM 0.09 | 1:46AM 0.15 | 2:01PM 0.27 | 2:22AM 0.39 | |||||||
Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wednesday 27 | |||||||||||||||
| Sunrise | 7:11 | - | - | 7:11 | - | - | 7:13 | - | - | 7:15 | - | - | 7:16 | - | - | 7:16 | - | - | 7:18 | - | - |
| Sunset | - | 9:06 | - | - | 9:04 | - | - | 9:01 | - | - | 9:00 | - | - | 8:58 | - | - | 8:57 | - | - | 8:54 | - |
 |  |  | | | | | | | | | | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 21 | 20 | 19 | 23 | 23 | 21 | 26 | 28 | 24 | 30 | 31 | 23 | 27 | 22 | 21 | 21 | 19 | 19 | 20 | 19 |
| Feels °C (?) | 16 | 19 | 14 | 17 | 19 | 18 | 17 | 22 | 24 | 19 | 27 | 26 | 19 | 25 | 20 | 19 | 18 | 17 | 17 | 17 | 16 |
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Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Vendee
The wind is still cross-off at La Tranche sur Mer (fresh winds from the NNW at Ile de Ré (PSL LOIX) 13 km from La Tranche sur Mer). A 0.7m windswell from the W
1 h 10 min ago
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 La Tranche sur Mer 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 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 12 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.
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