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Surf Forecasts:

Ste Marguerite surfForecast / Loire Atlantique / France

information circle12 Day Weather and Surf, issued 7 am Monday 25 Aug 2025 CEST
Forecast update in hr  min  s Forecast update imminent
Ste Marguerite surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ste Marguerite sea temperature is
18.4° C
 (Which is slightly cooler than normal)

Best Forecast Surf Conditions for Ste Marguerite this week:

The most powerful waves expected at Ste Marguerite in the next 12 days are 2.3m 17s and forecast to arrive on Tuesday (Aug 26) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 5PM (Tue 26th Aug)7.5ft (2.3m) 17s

Table - best surf conditions forecast for Ste Marguerite over the next 12 days.

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

Short Range Forecast Light rain (total 3mm), mostly falling on Wed night. Warm (max 23°C on Mon morning, min 16°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 19mm), heaviest on Thu afternoon. Warm (max 20°C on Sat night, min 17°C on Thu morning). Winds increasing (light winds from the W on Thu morning, strong winds from the SSW by Sat afternoon).

Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
1
1
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
W
0.6
W
0.8
WSW
2
WSW
2.3
WSW
2.2
WSW
2
WSW
1.8
WSW
1.7
WSW
1.9
W
1.8
WSW
2.3
WSW
2.1
WSW
2.3
WSW
1.6
W
1.5
WSW
1.5
WSW
1.9
WSW
1.6
WSW
1.8
W
1.8
W
Period(s) (?)1092119171614141312121213111010988911
Wave
Graph
(?)Metric surfscale
Energy (?)1161436052872312834851591197216011630960142015901186594383337411367506736
Wind
(km/h)
15
ESE
15
SW
15
WNW
20
WSW
20
WSW
15
WSW
25
SSW
20
SW
20
WNW
25
WSW
35
WSW
30
WSW
35
W
40
W
20
W
20
SW
40
SSW
35
WSW
30
W
35
W
30
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		oncross-
on		cross-
on		cross-
on		oncross-
on		oncross-
on		cross-
on		oncross-
on		cross-
on		cross-
on		cross-
on		ononcross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
6:48PM
4.63
7:04AM
4.36
7:17PM
4.52
7:32AM
4.27
7:46PM
4.33
8:01AM
4.13
8:16PM
4.09
8:32AM
3.93
8:49PM
3.80
9:06AM
3.68
9:26PM
3.49
9:49AM
3.40
10:16PM
3.19
Low Tide
/ height (m)
1:02PM
0.11
1:25AM
0.10
1:38PM
0.21
2:00AM
0.27
2:13PM
0.41
2:34AM
0.53
2:49PM
0.67
3:09AM
0.83
3:27PM
0.98
3:47AM
1.16
4:10PM
1.29
4:33AM
1.47
5:06PM
1.57
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Sunrise7:18--7:18--7:20--7:22--7:22--7:24--7:26--
Sunset-9:02--9:01--9:00--8:58--8:55--8:53--8:52-
part cloud
clear
clear
cloud
clear
clear
part cloud
part cloud
rain showers
rain showers
thunderstorm
rain showers
rain showers
clear
clear
clear
light rain
rain showers
rain showers
rain showers
thunderstorm
Rain (mm)
--------31572---22215
Temp. °C232320191919191919181817171918191920181817
Feels °C (?)191918181717161617141311131312161515131212
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Loire Atlantique

  1. weather stationWind Update The wind is still cross-off at Ste Marguerite (light winds from the E.(Wind varies from 070 to 140 degs) at Saint -Nazaire -Montoir 15 km from Ste Marguerite). 0.6m 10s swell from the W with a 0.2m 15s groundswell from the WSW. 2 swells combining to make bigger set waves.

    1 hour 35 minutes ago Ste Marguerite
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1 h 35 min ago

15 km/h
E
Cross-Off
Please reload the page to see if there are any updates.

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Ste Marguerite 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 Ste Marguerite at:
surf-forecast.com

Information about the Ste Marguerite Surf forecast

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

Ste Marguerite 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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