La Tranche sur Mer surfForecast / Vendee / France

information circle16 Day Weather and Surf, issued 1 pm Thursday 14 May 2026 CEST
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
16.8° C
(Which is 2.2°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 Friday (May 15) at 2AM. The primary swell is predicted to be 1.2m and 9s 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 1.5m 14s and forecast to arrive on Wednesday (May 20) at 8PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Friday (May 15) at 11PM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Fri 15th May)4ft (1.2m) 9s
Best Surf 2AM (Fri 15th May)4ft (1.2m) 9s
Most Powerful 8PM (Wed 20th May)5ft (1.5m) 14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 9mm), mostly falling on Thu night. Very mild (max 15°C on Sun morning, min 7°C on Fri morning). Winds decreasing (fresh winds from the WNW on Thu afternoon, light winds from the WSW by Sun morning).

Days 5-7 Weather Summary

Light rain (total 7mm), mostly falling on Mon night. Very mild (max 16°C on Mon night, min 13°C on Mon night). Winds decreasing (strong winds from the SW on Mon night, light winds from the W by Wed morning).

Thu
14
Friday
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
!
!
2
0
0
1
0
0
0
0
1
!
0
0
!
0
0
!
!
!
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
W
7
1.2
W
9
1
W
10
1
W
10
1
W
8
0.7
WNW
6
0.9
WNW
8
0.7
W
8
0.9
WSW
13
1.4
W
6
0.8
W
13
1.3
WSW
13
1.3
WSW
12
1.5
WSW
12
1.9
WSW
10
1.7
WSW
9
1.3
WSW
9
1.2
W
10
1.4
WSW
14
1.4
WSW
13
1.1
W
13
Wave Graph
Metric surfscale
Energy kJ
270
235
200
186
122
36
92
57
299
148
229
581
537
593
674
485
260
290
811
690
395
Wind (km/h)
35
WNW
25
NNW
15
NNE
25
WNW
20
N
15
NNW
20
W
20
SW
20
SW
35
WNW
20
W
25
SW
30
SW
40
WSW
30
WSW
30
WSW
25
WSW
15
W
10
W
15
NNE
15
E
off
cross-off
cross-off
off
cross-off
off
cross-off
cross
cross
off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
High Tide
3:45PM4.11m
3:59AM4.34m
4:22PM4.38m
4:40AM4.52m
5:01PM4.56m
5:23AM4.59m
5:41PM4.64m
6:07AM4.53m
6:23PM4.61m
6:53AM4.34m
7:10PM4.45m
7:45AM4.05m
8:03PM4.21m
8:53AM3.73m
Low Tide
9:46PM0.28m
10:12AM0.04m
10:34PM-0.02m
10:58AM-0.14m
11:22PM-0.24m
11:45AM-0.21m
00:10AM-0.33m
12:32PM-0.16m
00:59AM-0.28m
1:21PM-0.00m
1:50AM-0.11m
2:11PM0.22m
2:43AM0.15m
cloud
rain showers
clear
part cloud
light rain
part cloud
clear
light rain
light rain
rain showers
part cloud
cloud
part cloud
light rain
rain showers
clear
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
6:31
6:31
6:28
6:28
6:26
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:30
9:30
9:31
9:34
9:35
9:36
9:37
9:37
3
2
2
2
1
5
1
Temp °C
13
10
11
13
13
11
13
14
15
15
14
15
15
16
16
16
16
16
17
17
17
4
4
7
9
7
7
8
10
11
11
9
10
10
11
11
11
13
15
15
15
16
Swell 1
Height (m)
Direction
Period (s)
1.2
W
9
1
W
10
1
W
8
0.7
WNW
6
0.9
WNW
8
0.5
W
8
0.8
W
13
1.2
W
13
1.1
W
12
0.1
W
15
1.2
W
10
1.4
WSW
14
1.4
WSW
13
1.1
W
13
Energy kJ
235
200
122
36
92
30
229
468
368
4
290
811
690
395
Swell 2
Height (m)
Direction
Period (s)
0.1
W
15
0.1
W
8
0.3
WSW
16
Energy kJ
4
1
53
Swell 3
Height (m)
Direction
Period (s)
0.1
W
13
Energy kJ
3
Wind waves
Height (m)
Direction
Period (s)
1.7
W
7
0.2
NNW
3
1
W
10
0.4
NNW
3
0.4
WNW
6
0.6
W
8
0.7
W
8
0.9
WSW
13
1.4
W
6
0.8
W
7
1.3
WSW
13
1.3
WSW
12
1.5
WSW
12
1.9
WSW
10
1.7
WSW
9
1.3
WSW
9
0.4
ENE
3
Energy kJ
270
1
186
2
12
47
57
299
148
57
581
537
593
674
485
260
3
Nearest Offshore or Glassy
Rating
(10 max)
1
2
2
1
1
1
2
1
1
2
1
1
3
1
3
2
2
3
3
3
2
Distance (km)
473
29
0
209
16
0
339
298
186
320
35
38
94
328
251
94
94
16
16
1
1
Best forecast wave conditions in Vendee
Rating
(10 max)
2
2
2
1
3
4
3
3
Best forecast wave conditions in France
Rating
(10 max)
2
3
1
2
2
1
2
2
4
3
3
3
3
2
3
3
4
4
3
Header Global
Rating
(10 max)
4
5
5
5
5
4
5
5
7
6
4
4
4
5
4
4
5
5
5
5
4
  • 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 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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