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Surf Forecasts:

La Tranche sur Mer surfForecast / Vendee / France

information circle16 Day Weather and Surf, issued 12 am Friday 20 Mar 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
12.6° C
 (Which is 1.1°C warmer than normal 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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Mar 23) at 4AM. The primary swell is predicted to be 0.7m and 14s 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 16 days are 1.4m 16s and forecast to arrive on Thursday (Mar 26) at 1AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Sunday (Mar 22) at 7AM.

Wave TypeTime (CET) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Mon 23rd Mar)2.5ft (0.7m) 14s
Best Surf10PM (Wed 25th Mar)4.5ft (1.3m) 16s
Most Powerful 1AM (Thu 26th Mar)4.5ft (1.4m) 16s

Table - best surf conditions forecast for La Tranche sur Mer over the next 16 days.

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast Mostly dry. Very mild (max 16°C on Fri afternoon, min 8°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Very mild (max 14°C on Mon afternoon, min 8°C on Tue morning). Wind will be generally light.

Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thu
26
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
1
1
1
0
2
0
0
1
1
1
1
!
!
!
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
W
0.6
W
0.5
W
0.4
W
0.3
W
0.3
WSW
0.5
W
0.8
W
0.8
W
0.8
W
0.7
W
0.6
W
0.8
W
0.6
W
0.5
W
0.5
W
0.5
W
0.3
WSW
1.4
W
1.4
W
1.2
W
Period(s) (?)131312121113161516141316131615111115161514
Wave
Graph
(?)Metric surfscale
Energy kJ (?)22511776422135127287318268166181229183110595842979836585
Wind
(km/h)
20
ENE
25
E
15
ENE
20
ENE
25
ENE
20
ENE
20
NE
25
NNE
20
NNE
10
NE
15
NE
10
NNE
20
NE
15
E
10
W
10
NNW
15
WNW
25
WNW
20
NNW
25
NNW
20
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		crosscrosscrosscrosscross-
off		cross-
off		crosscrosscross-
off		crosscross-
on		cross-
off		offoffoffoffcross-
off		off
High Tide
/ height (m)
5:07AM
4.78
5:24PM
4.61
5:38AM
4.76
5:54PM
4.59
6:10AM
4.62
6:26PM
4.45
6:46AM
4.33
7:02PM
4.20
7:26AM
3.94
7:44PM
3.85
8:16AM
3.49
8:43PM
3.46
11:30AM
3.13
Low Tide
/ height (m)
11:11PM
-0.27
11:34AM
-0.39
11:51PM
-0.34
12:13PM
-0.34
12:32AM
-0.27
12:55PM
-0.14
1:16AM
-0.06
1:39PM
0.18
2:05AM
0.26
2:29PM
0.58
3:00AM
0.64
3:27PM
0.97
4:05AM
0.98
4:36PM
1.26
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thu
26
Sunrise-7:09--7:07--7:05--7:03--7:01--7:00--6:58-
Sunset--7:16--7:17--7:20--7:21--7:22--7:23--7:24
clear
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
cloud
Rain (mm)
---------------------
Temp. °C141416121315121214111214121113121212101011
Feels °C (?)9912781076979117911988446
  • 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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View detailed surf forecast for La Tranche sur Mer at:
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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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