La Tranche sur Mer Surf Break

Lat Long: 46.34° N 1.47° W

La Tranche sur Mer Surf Forecast and Surf Report

Issued: 1 pm 10 Jul 2026 (local time)

Forecast update in  hr  min

Today's La Tranche sur Mer sea temperature is
21.8° C
2.4° 

La Tranche sur Mer surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


La Tranche sur Mer surf forecast from 10 Jul 2026:

  • Best quality surf: Monday 13 Jul, 11AM (local time) - 2ft (0.6m), 6s period, WSW swell with cross-offshore winds.
  • Most powerful swell: Wednesday 15 Jul, 5PM (local time) - 2ft (0.6m), 10s period, W swell with 70 kJ wave energy.
  • Next surfable swell (1★+): Monday 13 Jul, 11AM (local time) - 2ft (0.6m), 6s period with WSW 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 Monday (Jul 13) at 11AM. The primary swell is predicted to be 0.6m and 6s period with a secondary swell of 0.4m and 6s. Another secondary swell of 0.3m and 6s is also forecast. 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 0.6m 10s and forecast to arrive on Wednesday (Jul 15) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Saturday (Jul 11) at 5AM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Mon 13th Jul)2ft (0.6m) 6s
Best Surf11AM (Mon 13th Jul)2ft (0.6m) 6s
Most Powerful 5PM (Wed 15th Jul)2ft (0.6m) 10s

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


Alright folks, Rusty here with a look at the next couple of weeks at La Tranche sur Mer. I won't sugarcoat it – this is a grim stretch for the beach/jetty. The swell window is wide open, but the energy's just not doing us any favours, and when it does show, the wind's making a mess of things.

The water's sitting around 71°, which is about 4° warmer than usual for the time of year. Feels like a warm bath, so you can probably ditch the steamers.

Kicking off Friday the 10th, we’ve got a tiny 2 ft swell out of the west, with a combined energy reading of just 65 – that’s weak. The wind is a 15 mph cross-off from the west, so the surface is clean, but the waves are too small and weak to do anything with. Score is zero.

From Saturday the 11th through to early Monday the 13th, it's flat or near flat. Swell heights are 1 ft or less, energy readings in the teens and thirties. Not a thing to ride, and a lot of onshore wind for good measure.

Monday morning the 13th is the closest thing to a highlight we get. Swell bumps to 2 ft from the WSW, but the period is only 6 seconds, and the energy is 51 – still weak. The wave comment says "surfable but very ordinary" and the score is a 1 out of 10. The wind is a light 6 mph cross-off, so it's clean, but the swell just doesn't have any power. A 2 ft wave Monday afternoon is the height of the week, still with a poor 7-second period.

Tuesday the 14th starts glassy with a 2 ft swell, but the period is a terrible 5 seconds – wind chop. Energy is 18. Not worth paddling out for.

Then it’s a brutal run. From the 15th through the 23rd, every single session gets a zero. The swell flickers between 0.3 ft and 2 ft, but the wind is often strong – 12 to 18 mph cross-off winds – and the wave energy is stuck in the double digits. It's a frustrating period of tiny, weak waves and gusty winds.

Then, on Thursday the 23rd afternoon, we finally get a spike. Swell hits 3 ft from the WNW with a 10-second period, and the combined energy jumps to 194 – that's the first moderate energy of the whole forecast. The wind is a strong 22 mph cross-off from the WNW, so it’ll be clean on the faces but blowing hard. Still a zero score, which tells you the quality is hammered by that wind. This is two weeks out, so treat it as a possibility, not a promise.

After that, it's back to ordinary. The 24th and 25th give us a couple of 1-score sessions with 2 ft swell and clean cross-off winds, but the energy is only moderate. Surfable, but very average.

There is no standout session here. If you're desperate, Monday the 13th morning is your cleanest bet on a weak wave, or gamble on Thursday the 23rd afternoon for the biggest size with strong wind. The consistency is poor, and for a spot that's normally fairly consistent, this is a dry spell. Forecasts can change, but right now, it’s a waiting game.

- Rusty

Short Range Forecast

Mostly dry. Warm (max 36°C on Sun afternoon, min 22°C on Mon morning). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 4mm), mostly falling on Mon night. Warm (max 26°C on Tue afternoon, min 20°C on Wed night). Winds increasing (calm on Tue morning, fresh winds from the W by Wed afternoon).

Fri
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
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)
0.6
W
10
0.6
SW
9
0.4
W
9
0.3
W
11
0.3
W
10
0.3
W
9
0.3
W
9
0.9
NW
4
0.6
WSW
6
0.7
WSW
7
0.6
W
6
0.5
W
5
0.4
WSW
5
0.4
W
7
0.2
W
10
0.6
W
10
0.2
W
9
0.6
W
5
0.1
W
10
0.9
WNW
5
0.8
W
5
Wave Graph
Metric surfscale
Energy kJ
65
65
24
20
17
14
14
0
32
38
29
14
8
15
8
70
6
20
2
0
0
Wind (km/h)
25
W
15
SSW
15
SSE
15
WSW
15
ENE
15
E
10
WSW
20
WNW
10
WSW
15
WSW
15
N
5
WSW
20
W
10
NNW
20
WNW
30
W
20
W
15
WNW
25
W
15
NW
20
WNW
Wind State
cross-off
cross
on
cross-off
cross
cross-on
cross-off
off
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
High Tide
2:18AM3.68m
2:53PM3.80m
3:28AM3.88m
3:54PM4.08m
4:28AM4.09m
4:48PM4.35m
5:22AM4.25m
5:39PM4.56m
6:12AM4.33m
6:27PM4.68m
6:59AM4.33m
7:14PM4.67m
7:44AM4.23m
Low Tide
7:47PM0.83m
8:21AM0.74m
8:54PM0.60m
9:24AM0.55m
9:56PM0.30m
10:22AM0.31m
10:53PM0.02m
11:15AM0.08m
11:45PM-0.20m
12:04PM-0.08m
00:35AM-0.31m
12:52PM-0.15m
1:22AM-0.29m
1:38PM-0.10m
clear
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
rain showers
part cloud
rain showers
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:24
6:26
6:26
6:26
6:28
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:58
9:57
9:57
9:55
9:54
9:54
9:53
9:52
 mm
3
1
Temp °C
33
32
24
27
31
32
36
36
24
24
24
23
26
26
24
26
23
22
24
22
22
Feels °C
30
27
25
26
29
30
35
32
24
24
24
25
27
24
23
23
21
22
23
19
21
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  • 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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