Weather port Saint-Nazaire

Saint-Nazaire FRALon : -2°12’,198 W Lat : 47°16’,002 N Alt : 0m
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Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
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Mon
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Tue
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BULLETIN

Reliability 85%
Wednesday 29 april Wednesday 29 apr
METEO CONSULT Run : 29/04 00Z Mesh : 4km Updated, 17min 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)
20
15
10
5
0
40
30
20
10
0
10
5
0
25
20
15
10
5
10
5
0
0.5
0
3
0
30
25
20
15
10
80
70
60
50
  • Thu 30
  • 22h
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
Run : 29/04 00Z Mesh : 4km Updated, 17min ago Update imminent
  • Thu 30
  • 22h
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 95° E E
  • 90° E E
  • 90° E E
  • 80° E E
  • 85° E E
  • 90° E E
  • 95° E E
  • 100° E E
  • 90° E E
  • 95° E E
  • 100° E E
  • 100° E E
  • 110° E ESE
  • 120° SE ESE
  • 130° SE SE
  • 160° S SSE
  • 180° S S
  • 190° S S
  • 190° S SSW
  • 205° SW SSW
  • 200° S SSW
  • 205° SW SSW
  • 210° SW SSW
  • 225° SW SW
  • 8 15 4 9 3
  • 8 14 4 9 3
  • 8 14 4 9 3
  • 6 11 3 7 2
  • 7 13 4 8 3
  • 8 15 4 9 3
  • 8 14 4 9 3
  • 8 15 4 9 3
  • 7 13 4 8 3
  • 8 15 4 9 3
  • 9 16 4 10 3
  • 8 15 4 9 3
  • 8 14 4 9 3
  • 6 12 3 7 3
  • 6 11 3 7 2
  • 6 12 3 7 3
  • 7 13 4 8 3
  • 8 14 4 9 3
  • 8 15 4 9 3
  • 8 15 4 9 3
  • 7 13 4 8 3
  • 6 12 3 7 3
  • 5 10 3 6 2
  • 4 8 2 5 2
  • 13 24 7 15 4
  • 15 27 8 17 4
  • 16 29 8 18 5
  • 15 27 8 17 4
  • 17 32 9 20 5
  • 17 31 9 19 5
  • 16 29 8 18 5
  • 16 30 8 19 5
  • 17 31 9 19 5
  • 17 32 9 20 5
  • 16 30 8 19 5
  • 17 31 9 19 5
  • 15 28 8 17 4
  • 15 27 8 17 4
  • 15 27 8 17 4
  • 15 28 8 17 4
  • 16 29 8 18 5
  • 18 33 9 21 5
  • 17 31 9 19 5
  • 17 32 9 20 5
  • 16 29 8 18 5
  • 15 27 8 17 4
  • 13 25 7 16 4
  • 11 20 6 12 4
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.3
  • 0.3
  • 0.1
  • 0.1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 230° SW SW
  • 225° SW SW
  • 225° SW SW
  • 225° SW SW
  • 190° S S
  • 190° S S
  • 270° W W
  • 260° W W
  • 270° W W
  • 225° SW SW
  • 225° SW SW
  • 220° SW SW
  • 220° SW SW
  • 220° SW SW
  • 220° SW SW
  • 225° SW SW
  • 225° SW SW
  • 185° S S
  • 190° S S
  • 190° S S
  • 210° SW SSW
  • 235° SW WSW
  • 230° SW SW
  • 225° SW SW
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 8
  • 10
  • 12
  • 11
  • 12
  • 11
  • 10
  • 11
  • 11
  • 14
  • 14
  • 15
  • 15
  • 14
  • 14
  • 14
  • 12
  • 12
  • 13
  • 10
  • 8
  • 8
  • 11
  • 8
  • 150
  • 190
  • 230
  • 240
  • 250
  • 270
  • 290
  • 330
  • 340
  • 340
  • 340
  • 350
  • 360
  • 350
  • 330
  • 310
  • 300
  • 290
  • 290
  • 310
  • 230
  • 320
  • 320
  • 310
  • 1.5
  • 1.4
  • 1.8
  • 2.7
  • 3.8
  • 4.8
  • 5.4
  • 5.4
  • 5.0
  • 4.2
  • 3.3
  • 2.3
  • 1.6
  • 1.3
  • 1.5
  • 2.3
  • 3.5
  • 4.6
  • 5.4
  • 5.6
  • 5.2
  • 4.5
  • 3.6
  • 2.6
  • 14 58
  • 14 58
  • 14 57
  • 14 57
  • 14 58
  • 14 57
  • 14 57
  • 14 57
  • 14 57
  • 14 57
  • 14 57
  • 14 57
  • 14 57
  • 14 57
  • 14 57
  • 14 58
  • 14 58
  • 14 58
  • 14 57
  • 14 57
  • 14 57
  • 14 57
  • 14 57
  • 14 57
  • 100
  • 90
  • 80
  • 75
  • 75
  • 85
  • 70
  • 75
  • 80
  • 80
  • 75
  • 80
  • 70
  • 65
  • 70
  • 55
  • 55
  • 60
  • 70
  • 65
  • 70
  • 80
  • 95
  • 95
  • 0.3
  • 0.3
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • 100
  • 100
  • 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
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 10
  • 0
  • 0
  • 0
  • 10
  • 10
  • 15
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 10
  • 5
  • 1011
  • 1011
  • 1012
  • 1012
  • 1012
  • 1012
  • 1012
  • 1012
  • 1013
  • 1013
  • 1013
  • 1014
  • 1014
  • 1014
  • 1015
  • 1015
  • 1015
  • 1016
  • 1016
  • 1016
  • 1016
  • 1016
  • 1017
  • 1017
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 1
  • 1
  • 3
  • 4
  • 5
  • 5
  • 5
  • 4
  • 3
  • 1
  • 1
  • 0
  • 0
  • 18 64
  • 17 63
  • 17 63
  • 17 62
  • 17 62
  • 17 62
  • 16 61
  • 16 61
  • 16 60
  • 16 60
  • 16 60
  • 16 61
  • 17 62
  • 18 64
  • 19 67
  • 20 68
  • 20 69
  • 20 67
  • 20 67
  • 19 66
  • 18 65
  • 18 64
  • 17 62
  • 16 60
  • 15 58
  • 15 58
  • 14 58
  • 14 58
  • 14 57
  • 14 56
  • 14 56
  • 13 56
  • 13 56
  • 13 55
  • 13 55
  • 14 58
  • 16 60
  • 18 64
  • 21 71
  • 26 78
  • 24 75
  • 21 71
  • 21 69
  • 20 67
  • 18 65
  • 17 63
  • 15 60
  • 14 58
  • 8 14 3 4 9
  • 8 14 3 4 9
  • 8 14 3 4 9
  • 11 20 4 6 12
  • 8 15 3 4 9
  • 11 20 4 6 12
  • 10 19 3 5 12
  • 11 20 4 6 12
  • 11 21 4 6 13
  • 12 23 4 6 14
  • 11 21 4 6 13
  • 12 22 4 6 14
  • 11 20 4 6 12
  • 11 20 4 6 12
  • 11 20 4 6 12
  • 10 19 3 5 12
  • 10 18 3 5 11
  • 9 17 3 5 11
  • 8 15 3 4 9
  • 8 15 3 4 9
  • 5 9 2 3 6
  • 4 7 2 2 4
  • 4 8 2 2 5
  • 4 8 2 2 5
  • 0.5
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.5
  • 0.5
  • 0.5
  • 0.5
Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Caption   Glossary

Expert opinion

A northeasterly, moderate and very variable flow prevails over the whole area.

For Saint-Nazaire :
No gale warning.

We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.

In the evening, very cloudy skies to overcast.
Light rain. ESE wind force 3. Gusts reaching 15 knots in the evening. Smooth sea. Low, fairly long swell from SW. Good visibility.

semaphore stations

Station St Nazaire-Montoir located 6 km from Saint-Nazaire
WIND
WEATHER
Local time Dir.
(°)
Speed
(nd)
Gust
(nd)
Temp.
(°C)
Pressure
(hPa)
Visibility
(M)
22h
100
16
30
17.5
1012
0
21h
120
17
31
18.9
1011
0
20h
100
19
27
18.3
1011
0
observation.semaphores_link
Météo France - RADOME
observation.semaphore_link

Tides at Saint-Nazaire

74
High tide 04h06 5.38m
Low tide 10h34 1.36m
77
High tide 16h17 5.43m
Low tide 22h50 1.38m
www.shom.fr - © SHOM 2026 - Local times

Go further

Wed
29
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Mon
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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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