Weather beach Plage de Saint-Marc

Saint-Nazaire (44600)Lon : -2°16’,89 W Lat : 47°14’,256 N Alt : 0m
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Sun
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Wed
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Thu
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Fri
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Sat
11
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Sun
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Mon
13
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Tue
14
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Wed
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Thu
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Fri
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BULLETIN

Reliability 85%
Friday 3 april Friday 3 apr
METEO CONSULT Run : 2/04 00Z Mesh : 1km Updated, 8h ago Update imminent

Wind

Average winds Average winds
Gusts
10m above ground level:
Direction
Speed
Gusts

Waves

Total sea (m) (m)
Swell height Swell (m) (m)
legend.title.wave_height
Total sea (m)
legend.title.wind_sea
Wind (m)
legend.title.swell
Swell direction
Swell height (m)
Swell period (s)
Wave length (m)
High tide (m)
Sea temp

Weather

Rain (mm) (mm)
Clouds:
Cloud cover (%)
Precipitation:
Amount of precipitation Amount of precipitation (mm)
Type of precipitation Type of precipitation
Risks:
Precipitation risk Precipitation risk (%)
Storm risk. (%)
Brightness:
Visibility (km)
Pressure (hPa)
UV

Temperature

Air temp Air temp
Perceived temp
Air temp
Perceived temp

Offshore

Offshore wind
Offshore sea (m)
30
20
10
0
50
40
30
20
10
0
15
10
5
0
30
20
10
0
10
5
0
1.5
1
0.5
0
3
0
15
10
5
60
55
50
45
40
  • Sat 4
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 00h
Run : 2/04 00Z Mesh : 1km Updated, 8h ago Update imminent
  • Sat 4
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 00h
  • 270° W W
  • 270° W W
  • 275° W W
  • 315° NW NW
  • 285° W WNW
  • 265° W W
  • 260° W W
  • 250° W WSW
  • 245° SW WSW
  • 240° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 250° W WSW
  • 250° W WSW
  • 255° W WSW
  • 255° W WSW
  • 260° W WSW
  • 260° W WSW
  • 260° W WSW
  • 260° W W
  • 260° W WSW
  • 255° W WSW
  • 8 15 4 9 3
  • 8 14 4 9 3
  • 6 11 3 7 2
  • 5 10 3 6 2
  • 4 7 2 4 2
  • 6 11 3 7 2
  • 10 18 5 11 3
  • 10 19 5 12 3
  • 12 22 6 14 4
  • 13 25 7 16 4
  • 15 27 8 17 4
  • 15 28 8 17 4
  • 15 27 8 17 4
  • 15 28 8 17 4
  • 15 28 8 17 4
  • 15 27 8 17 4
  • 15 28 8 17 4
  • 15 27 8 17 4
  • 13 25 7 16 4
  • 13 24 7 15 4
  • 12 23 6 14 4
  • 11 21 6 13 4
  • 11 20 6 12 4
  • 10 19 5 12 3
  • 14 26 7 16 4
  • 13 24 7 15 4
  • 12 22 6 14 4
  • 11 21 6 13 4
  • 9 17 5 11 3
  • 11 21 6 13 4
  • 15 28 8 17 4
  • 17 31 9 19 5
  • 19 36 10 22 5
  • 21 39 11 24 6
  • 23 43 12 27 6
  • 24 45 13 28 6
  • 24 45 13 28 6
  • 24 45 13 28 6
  • 25 46 13 29 6
  • 25 46 13 29 6
  • 25 46 13 29 6
  • 24 45 13 28 6
  • 24 44 12 27 6
  • 22 41 11 25 6
  • 21 39 11 24 6
  • 19 36 10 22 5
  • 19 36 10 22 5
  • 18 33 9 21 5
  • 0.8
  • 0.8
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.6
  • 0.7
  • 0.7
  • 0.8
  • 0.9
  • 0.9
  • 1
  • 1
  • 1.1
  • 1.1
  • 1.1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 0.9
  • 0.9
  • 0.3
  • 0.2
  • 0.2
  • 0.1
  • 0.2
  • 0.3
  • 0.4
  • 0.5
  • 0.6
  • 0.7
  • 0.8
  • 0.8
  • 0.9
  • 1
  • 1
  • 1
  • 0.9
  • 0.9
  • 0.7
  • 0.7
  • 0.6
  • 0.5
  • 0.5
  • 0.3
  • 240° SW WSW
  • 240° SW WSW
  • 240° SW WSW
  • 240° SW WSW
  • 240° SW WSW
  • 230° SW SW
  • 225° SW SW
  • 220° SW SW
  • 240° SW WSW
  • 240° SW WSW
  • 240° SW WSW
  • 240° SW WSW
  • 240° SW WSW
  • 210° SW SSW
  • 215° SW SW
  • 215° SW SW
  • 215° SW SW
  • 220° SW SW
  • 215° SW SW
  • 215° SW SW
  • 235° SW SW
  • 235° SW SW
  • 235° SW SW
  • 235° SW SW
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.6
  • 0.5
  • 0.5
  • 0.5
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.6
  • 0.5
  • 0.6
  • 0.7
  • 0.8
  • 0.8
  • 0.8
  • 0.9
  • 6
  • 6
  • 6
  • 8
  • 8
  • 7
  • 9
  • 9
  • 10
  • 10
  • 8
  • 8
  • 8
  • 6
  • 7
  • 6
  • 7
  • 8
  • 7
  • 7
  • 9
  • 10
  • 10
  • 10
  • 80
  • 80
  • 100
  • 100
  • 100
  • 100
  • 100
  • 100
  • 110
  • 110
  • 35
  • 35
  • 40
  • 40
  • 45
  • 45
  • 45
  • 45
  • 50
  • 90
  • 130
  • 140
  • 150
  • 160
  • 1.1
  • 1.9
  • 3.1
  • 4.4
  • 5.4
  • 5.6
  • 5.3
  • 4.5
  • 3.5
  • 2.5
  • 1.6
  • 1.1
  • 1.0
  • 1.6
  • 2.8
  • 4.1
  • 5.2
  • 5.6
  • 5.4
  • 4.7
  • 3.8
  • 2.7
  • 1.8
  • 1.2
  • 12 53
  • 11 53
  • 12 53
  • 12 53
  • 12 54
  • 12 54
  • 12 53
  • 12 53
  • 12 53
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  • 12 54
  • 12 53
  • 12 53
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  • 12 53
  • 12 54
  • 12 54
  • 12 54
  • 12 54
  • 12 54
  • 12 54
  • 12 54
  • 12 54
  • 12 54
  • 100
  • 100
  • 100
  • 100
  • 100
  • 100
  • 100
  • 100
  • 100
  • 100
  • 100
  • 100
  • 100
  • 100
  • 100
  • 90
  • 90
  • 90
  • 80
  • 65
  • 50
  • 70
  • 70
  • 70
  • 0
  • 0.1
  • 0.2
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • 0
  • 50
  • 100
  • 0
  • 0
  • 50
  • 70
  • 55
  • 50
  • 50
  • 45
  • 25
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 1023
  • 1023
  • 1023
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1023
  • 1023
  • 1023
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 1
  • 1
  • 2
  • 2
  • 1
  • 1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 9 48
  • 9 48
  • 9 48
  • 9 47
  • 9 48
  • 9 48
  • 10 49
  • 10 50
  • 11 51
  • 11 53
  • 12 53
  • 12 54
  • 13 55
  • 13 55
  • 13 56
  • 13 56
  • 13 56
  • 13 56
  • 13 55
  • 13 55
  • 12 54
  • 12 54
  • 12 53
  • 12 53
  • 6 43
  • 6 43
  • 7 44
  • 7 44
  • 7 45
  • 7 44
  • 6 43
  • 6 44
  • 7 44
  • 7 45
  • 8 46
  • 9 48
  • 10 49
  • 11 51
  • 11 51
  • 11 52
  • 12 53
  • 10 50
  • 10 50
  • 9 48
  • 8 47
  • 8 47
  • 8 47
  • 8 47
  • 12 22 4 6 14
  • 12 22 4 6 14
  • 12 22 4 6 14
  • 11 20 4 6 12
  • 12 22 4 6 14
  • 12 23 4 6 14
  • 13 24 4 7 15
  • 15 27 4 8 17
  • 16 29 5 8 18
  • 16 30 5 8 19
  • 17 32 5 9 20
  • 18 33 5 9 21
  • 17 32 5 9 20
  • 18 33 5 9 21
  • 18 33 5 9 21
  • 18 33 5 9 21
  • 18 33 5 9 21
  • 17 32 5 9 20
  • 17 31 5 9 19
  • 16 29 5 8 18
  • 14 26 4 7 16
  • 13 25 4 7 16
  • 12 23 4 6 14
  • 12 22 4 6 14
  • 0.8
  • 0.7
  • 0.7
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.7
  • 0.8
  • 0.8
  • 0.9
  • 0.9
  • 0.9
  • 0.9
  • 0.9
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1.1
  • 1
  • 1
  • 1
Forecasts established in local time
Caption   Glossary

Expert opinion

A northerly and very variable flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, strong and very variable.

For Plage de Saint-Marc :
No gale warning.

The reliability of the situation is assessed at 85%.

Very cloudy skies to overcast. Drizzle fading over time in the morning, possibility of a few spots in the afternoon. In the evening, good clear periods but lots of cloud, too.
No precipitation. WSW wind force 4 continuing all day. Gusts reaching 25 knots in the middle of the day. Slight sea. Low, fairly long swell from WSW. Excellent visibility.

semaphore stations

Station Pte De Chemoulin located 2 km from Plage de Saint-Marc
WIND
WEATHER
Local time Dir.
(°)
Speed
(nd)
Gust
(nd)
Temp.
(°C)
Pressure
(hPa)
Visibility
(M)
01h
310
19
31
-
-
0
00h
300
13
35
-
-
0
23h
280
23
38
-
-
11
observation.semaphores_link
Météo France - RADOME
observation.semaphore_link

Tides at Le Grand Charpentier

93
Low tide 00h22 0.9m
High tide 05h48 5.6m
91
Low tide 12h42 0.96m
High tide 18h02 5.58m
© METEOCONSULT 2026 - Local times

Go further

Fri
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Sat
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Sat
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Wed
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* +33 1 77 86 86 86: short number of forecasts for France accessible from France - €2.99 per call** 0899 70 12 34: number of forecasts for France and the World accessible from France - €2.99 per call



        
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