Surf Forecasts:
La Tranche sur Mer surf forecast from 6 Oct 2026:
- Best quality surf: Saturday 10 Oct, 11AM (local time) - 4ft (1.2m), 11s period, WNW swell with cross-offshore winds.
- Most powerful swell: Saturday 10 Oct, 11AM (local time) - 4ft (1.2m), 11s period, WNW swell with 356 kJ wave energy.
- Next surfable swell (1★+): Wednesday 7 Oct, 11AM (local time) - 1.5ft (0.5m), 11s period with W swell.
Best Forecast Surf Conditions for La Tranche sur Mer this week:
The surf forecast for La Tranche sur Mer over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Oct 07) at 11AM. The primary swell is predicted to be 0.5m and 11s period with a secondary swell of 0.5m and 4s. Another secondary swell of 0.5m and 4s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at La Tranche sur Mer in the next 16 days are 1.2m 11s and forecast to arrive on Saturday (Oct 10) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Wednesday (Oct 07) at 5PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Wed 7th Oct) | 1.5ft (0.5m) 11s |
| Best Surf | 11AM (Sat 10th Oct) | 4ft (1.2m) 11s |
| Most Powerful | 11AM (Sat 10th Oct) | 4ft (1.2m) 11s |
Table - best surf conditions forecast for La Tranche sur Mer over the next 16 days.
Short Range ForecastLight rain (total 5mm), mostly falling on Wed morning. Warm (max 21°C on Tue night, min 13°C on Thu morning). Winds decreasing (fresh winds from the NNW on Wed night, calm by Thu night). | Days 5-7 Weather SummarySome drizzle, heaviest during Sat morning. Very mild (max 17°C on Fri night, min 13°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | ||||||||||||||
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 11 | W 11 | W 10 | W 8 | W 10 | WNW 9 | W 9 | W 12 | WNW 11 | WNW 10 | WNW 11 | W 11 | W 11 | W 13 | W 12 | W 12 | W 11 | W 11 | W 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 37 | 61 | 19 | 161 | 188 | 98 | 44 | 69 | 90 | 58 | 356 | 199 | 144 | 222 | 187 | 132 | 58 | 57 | 57 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | off | off | cross-off | cross-off | off | glassy | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | on | cross | cross-on |
High Tide | 3:29AM3.85m | 3:44PM4.21m | 4:11AM4.12m | 4:24PM4.44m | 4:48AM4.31m | 4:59PM4.56m | 5:19AM4.42m | 5:30PM4.57m | 5:45AM4.44m | 5:56PM4.49m | 6:06AM4.41m | 6:18PM4.35m | |||||||
Low Tide | 8:20PM0.75m | 8:43AM0.77m | 9:18PM0.42m | 9:36AM0.43m | 10:05PM0.14m | 10:22AM0.14m | 10:46PM-0.06m | 11:03AM-0.05m | 11:25PM-0.14m | 11:42AM-0.13m | 00:02AM-0.10m | 12:20PM-0.08m | 00:38AM0.04m | ||||||
 |  |  | |  |  |  | |  | | | | | | | | | | | |
 | — | 8:11 | — | — | 8:11 | — | — | 8:14 | — | — | 8:15 | — | — | 8:15 | — | — | 8:18 | — | — |
 | 7:37 | — | 7:35 | — | — | 7:32 | — | — | 7:30 | — | — | 7:29 | — | — | 7:27 | — | — | 7:25 | — |
mm | — | 4 | 1 | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — |
Temp °C | 21 | 19 | 19 | 18 | 13 | 16 | 16 | 15 | 16 | 17 | 15 | 16 | 15 | 13 | 16 | 15 | 14 | 17 | 18 |
Feels °C | 21 | 18 | 14 | 14 | 6 | 10 | 11 | 11 | 12 | 14 | 11 | 12 | 12 | 11 | 15 | 12 | 12 | 15 | 16 |
Swell 1 Height (m) Direction Period (s) | W 11 | S 4 | W 10 | W 8 | W 10 | W 14 | W 9 | W 12 | WNW 11 | WNW 10 | WNW 11 | W 11 | W 11 | W 13 | W 12 | W 12 | W 11 | W 11 | W 11 |
| kJ | 37 | 9 | 19 | 161 | 188 | 15 | 44 | 69 | 90 | 58 | 356 | 199 | 144 | 222 | 187 | 132 | 58 | 57 | 57 |
Swell 2 Height (m) Direction Period (s) | W 14 | SSW 4 | S 4 | SW 6 | — | W 14 | W 12 | — | — | W 14 | — | — | WSW 16 | — | — | — | — | — | — |
| kJ | 4 | 10 | 1 | 2 | — | 4 | 27 | — | — | 4 | — | — | 48 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 3 | W 11 | WNW 5 | NNW 4 | NNE 3 | WNW 9 | — | W 3 | W 11 | W 4 | W 11 | — | — | — | — | — | ESE 2 | — | ESE 2 |
| kJ | 5 | 61 | 44 | 15 | 2 | 98 | — | 1 | 57 | 15 | 246 | — | — | — | — | — | 1 | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 186 | 0 | 519 | 209 | 16 | 0 | 0 | 152 | 338 | 209 | 16 | 0 | 0 | 0 | 0 | 0 | 1 | 10 | 1 |
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.
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