La Tranche sur Mer surfForecast / Vendee / France

information circle12 Day Weather and Surf, issued 12 pm Tuesday 20 Jan 2026 CET
Forecast update in hr  min  s Forecast update imminent
La Tranche sur Mer surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's La Tranche sur Mer sea temperature is
9.2° C
(Which is 2.6°C colder than average for this time of year)


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 Thursday (Jan 22) at 1AM. The primary swell is predicted to be 3.0m and 13s period. 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 4.5m 16s and forecast to arrive on Thursday (Jan 22) at 4PM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (CET) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Thu 22nd Jan)10ft (3.0m) 13s
Best Surf 1AM (Thu 22nd Jan)10ft (3.0m) 13s
Most Powerful 4PM (Thu 22nd Jan)15ft (4.5m) 16s

Table - best surf conditions forecast for La Tranche sur Mer over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 26mm), heaviest during Wed afternoon. Very mild (max 12°C on Tue night, min 8°C on Thu night). Winds decreasing (near gales from the S on Wed afternoon, moderate winds from the SSW by Thu afternoon).

Days 3-6 Weather Summary Heavy rain (total 34mm), heaviest during Fri afternoon. Very mild (max 10°C on Sat afternoon, min 6°C on Sun night). Winds decreasing (near gales from the SW on Fri morning, light winds from the ESE by Sun night).

Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
!
!
!
0
0
0
0
!
!
0
0
0
!
!
0
!
Swell
Height Map
Wave Height (m) & direction (?)
1.9
WSW
1.7
WSW
3
WSW
3
SW
3
SW
3
WSW
3
WSW
4.5
W
3
W
3.5
WSW
3.5
WSW
3.5
WSW
3.5
WSW
3.5
WSW
3.5
WSW
3
WSW
3
WSW
3
WSW
3
WSW
2.3
WSW
2.5
WSW
Period(s) (?)161615141313161615131717161618161515151312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1687147437333536307825935110110804201368770416346582753666733500734743658333118761765
Wind
(km/h)
30
S
40
S
45
S
55
S
55
S
40
WSW
30
W
25
WSW
55
S
55
SW
55
SW
35
SW
25
SW
30
SW
45
SSW
25
SSE
35
SSE
15
ESE
15
SE
30
SSW
25
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
off
cross-
off
cross-
off
cross-
on
crosscrosscrosscrosscrosscross-
on
cross-
on
oncross-
on
oncross-
on
cross-
off
High Tide
/ height (m)
5:42PM
4.03
5:53AM
4.34
6:08PM
4.05
6:20AM
4.36
6:36PM
4.04
6:50AM
4.31
7:09PM
3.97
7:25AM
4.18
7:47PM
3.86
8:07AM
3.99
8:33PM
3.68
8:59AM
3.72
9:35PM
3.49
Low Tide
/ height (m)
11:48AM
0.17
12:01AM
0.20
12:26PM
0.11
12:39AM
0.18
1:04PM
0.11
1:18AM
0.23
1:45PM
0.19
2:00AM
0.36
2:28PM
0.35
2:46AM
0.54
3:16PM
0.56
3:39AM
0.75
4:11PM
0.80
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Sunrise8:41--8:41--8:40--8:38--8:37--8:37--8:36--
Sunset-5:52--5:52--5:53--5:55--5:57--5:59--6:00-
clear
part cloud
light rain
light rain
mod rain
rain showers
rain showers
part cloud
mod rain
thunderstorm
light rain
rain showers
rain showers
light rain
mod rain
light rain
rain showers
rain showers
cloud
mod rain
mod rain
Rain (mm)
--321041-62543210413-99
Temp. °C11111212121111111089991010888101110
Feels °C (?)334113551-4-20233233652
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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 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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