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Surf Forecasts:

Grande Trait surfForecast / Loire Atlantique / France

information circle12 Day Weather and Surf, issued 6 am Thursday 20 Nov 2025 CET
Forecast update in hr  min  s Forecast update imminent
Grande Trait surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Grande Trait sea temperature is
14.0° C
 (Which is normal for this time of year)

Best Forecast Surf Conditions for Grande Trait this week:

The surf forecast for Grande Trait over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Nov 21) at 10PM. The primary swell is predicted to be 0.4m and 14s period with a secondary swell of 0.4m and 6s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Grande Trait in the next 12 days are 2.4m 10s and forecast to arrive on Monday (Nov 24) at 7PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 5s period and expected on Tuesday (Nov 25) at 7AM.

Wave TypeTime (CET) & Date Wave Height & Period
Next good surf (1 star+)10PM (Fri 21st Nov)1.5ft (0.4m) 14s
Best Surf10PM (Fri 21st Nov)1.5ft (0.4m) 14s
Most Powerful 7PM (Mon 24th Nov)8ft (2.4m) 10s

Table - best surf conditions forecast for Grande Trait over the next 12 days.

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

Short Range Forecast Moderate rain (total 17mm), heaviest on Sat afternoon. Very mild (max 14°C on Sat night, min 5°C on Thu afternoon). Winds increasing (calm on Fri night, strong winds from the SW by Sat afternoon).

Days 3-6 Weather Summary Light rain (total 8mm), mostly falling on Sun afternoon. Very mild (max 14°C on Sun morning, min 8°C on Tue afternoon). Winds increasing (light winds from the NW on Sun night, near gales from the WNW by Mon afternoon).

Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
1
0
0
1
0
0
2
0
0
1
0
0
0
1
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
W
0.3
WSW
0.4
WSW
0.4
W
0.3
WSW
0.4
WSW
1.4
WSW
2.1
WSW
1.3
WSW
1.9
WSW
2.1
W
1.7
W
2.2
W
2.5
W
1.6
W
0.9
W
0.8
W
0.6
W
0.5
W
0.5
W
0.5
W
Period(s) (?)1112111115141378781071011101010111010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)392842374464659384183342630584442113757717412766595647
Wind
(km/h)
15
NNW
20
N
15
N
20
N
25
NNE
5
SE
40
SW
50
SW
10
NW
35
W
25
W
20
NW
45
NW
50
WNW
30
NNW
30
NNW
30
N
25
N
15
NNE
10
N
5
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		glassononcrosscross-
on		cross-
on		cross-
off		crosscrosscross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		cross-
off
High Tide
/ height (m)
4:24PM
4.20
4:38AM
4.34
4:55PM
4.19
5:08AM
4.32
5:26PM
4.11
5:41AM
4.25
5:59PM
3.99
6:15AM
4.13
6:34PM
3.84
6:53AM
3.98
7:13PM
3.66
7:35AM
3.82
8:00PM
3.49
Low Tide
/ height (m)
10:42AM
0.46
10:57PM
0.52
11:19AM
0.47
11:33PM
0.59
11:55AM
0.56
12:09AM
0.70
12:33PM
0.69
12:47AM
0.84
1:13PM
0.85
1:27AM
1.00
1:57PM
1.01
2:12AM
1.15
2:46PM
1.14
3:03AM
1.27
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Sunrise8:18--8:19--8:22--8:22--8:25--8:26--8:26--
Sunset-5:29--5:28--5:27--5:25--5:24--5:24--5:23-
part cloud
rain showers
clear
clear
clear
part cloud
mod rain
mod rain
light rain
light rain
light rain
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
part cloud
Rain (mm)
-1----682233---------
Temp. °C77688101012141414111211101098899
Feels °C (?)2101132398971-13311466
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Latest Updates

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Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.

Feel that? If you are in the northern hemisphere, you will have had that first bite of winter. The lick of a frost, the chill of a cold offshore breeze and the sound of winter swells pounding the shores. If you are near the mountains, your favourite jackets, gloves, and footwear might get dusted off and prepped for battle. And in that beautiful Venn diagram, you will find PrimaLoft. They have spent over 40 years developing innovative insulations that have powered your warmest winter gear. In t

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Grande Trait surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Grande Trait at:
surf-forecast.com

Information about the Grande Trait Surf forecast

The above surf forecast table for Grande Trait provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Grande Trait can be found by selecting the local surf guide option on the grey menu. Our Grande Trait 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 (Grande Trait) 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 Grande Trait 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.

Grande Trait is 7 km (4 miles) from the city of La Baule-Escoublac. If you plan a holiday in Loire Atlantique, look for hotels and other accommodation in La Baule-Escoublac. La Baule-Escoublac has rooms for a wide range of budgets as well as car hire and transport links.

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