Ste Marguerite surfForecast / Loire Atlantique / France

information circle48hr Weather and Surf, issued 7 pm Monday 20 Oct 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
16.1° C
(Which is normal for this time of year)


How big are the waves at Ste Marguerite today?

The current surf forecast for Ste Marguerite at 2AM is: 2.5m 12s primary swell from a West-southwest direction (forecast issued at 07:00pm October 20). The wind direction is predicted to be cross-onshore.

Time (CEST) & DateWave HeightWave Period
Morning (21 Oct)7ft (2.1m)11s
Afternoon (21 Oct)5.5ft (1.7m)10s
Evening (21 Oct)4.5ft (1.4m)10s

Table - waves today at Ste Marguerite. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
3.5
WSW
3.5
WSW
3
WSW
2.5
WSW
2.4
WSW
2.2
WSW
2
WSW
1.8
WSW
1.6
WSW
1.5
WSW
1.3
WSW
0.9
WSW
2.1
WSW
2.2
WSW
1.7
WSW
1.8
WSW
1.7
WSW
2.1
SW
3.5
SW
3.5
WSW
4
WSW
4.5
WSW
4.5
WSW
4
WSW
Period(s) (?)111212121111111010109988889991011111213
Wave
Graph
(?)Metric surfscale
Energy kJ (?)331231942315181814221142875628480408266135547627403466475660165528413583471462715632
Wind
(km/h)
50
WSW
40
W
35
W
35
W
30
WSW
30
WSW
25
WSW
25
WSW
25
WSW
20
SSW
25
SW
40
WSW
30
W
10
NW
5
W
15
SSW
30
SW
50
SW
60
SW
45
WSW
55
W
65
W
65
W
55
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
ononcross-
on
cross-
on
crosscross-
on
ononononcross-
on
cross-
on
cross-
on
cross-
on
cross
High Tide
/ height (m)
4:56PM
4.38
5:10AM
4.35
5:21PM
4.43
5:34AM
4.44
5:47PM
4.43
6:00AM
4.46
Low Tide
/ height (m)
11:16PM
0.25
11:32AM
0.26
11:49PM
0.24
12:06PM
0.25
12:21AM
0.31
12:39PM
0.32
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Sunrise------8:34-------8:36-------8:37-
Sunset7:13-------7:10-------7:09-------
rain showers
light rain
cloud
cloud
cloud
light rain
rain showers
cloud
cloud
cloud
mod rain
mod rain
rain showers
cloud
cloud
cloud
light rain
thunderstorm
thunderstorm
rain showers
light rain
light rain
thunderstorm
rain showers
Rain (mm)
11---11---671---12322111
Temp. °C161616161615161616161717161415161718171514121213
Feels °C (?)8910101110121212131411121314141311774-1-12
  • 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-on at Ste Marguerite (light winds from the W at Saint -Nazaire -Montoir 15 km from Ste Marguerite). A 2.8m groundswell from the WSW

    Ste Marguerite
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1 h 0 min ago

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

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