Weather port Saint-Nazaire

Saint-Nazaire FRALon : -2°12’,198 W Lat : 47°16’,002 N Alt : 0m
Thu
16
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Fri
17
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Sat
18
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Sun
19
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Mon
20
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Tue
21
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Wed
22
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Thu
23
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Fri
24
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Sat
25
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Sun
26
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Mon
27
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Tue
28
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Wed
29
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Thu
30
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph

BULLETIN

Reliability 90%
Thursday 16 april Thursday 16 apr
METEO CONSULT Run : 15/04 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)
20
15
10
5
0
30
20
10
0
10
5
0
20
15
10
5
0
10
5
0
1
0.5
0
3
0
20
15
10
5
70
60
50
40
  • Fri 17
  • 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 : 15/04 00Z Mesh : 1km Updated, 8h ago Update imminent
  • Fri 17
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 00h
  • 250° W WSW
  • 250° W WSW
  • 245° SW WSW
  • 235° SW SW
  • 240° SW WSW
  • 235° SW SW
  • 235° SW SW
  • 235° SW SW
  • 235° SW SW
  • 235° SW SW
  • 220° SW SW
  • 210° SW SSW
  • 205° SW SSW
  • 205° SW SSW
  • 215° SW SSW
  • 210° SW SSW
  • 215° SW SW
  • 220° SW SW
  • 230° SW SW
  • 240° SW WSW
  • 260° W WSW
  • 265° W W
  • 270° W W
  • 285° W WNW
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 8 14 4 9 3
  • 6 12 3 7 3
  • 6 12 3 7 3
  • 6 12 3 7 3
  • 6 11 3 7 2
  • 5 10 3 6 2
  • 5 10 3 6 2
  • 5 10 3 6 2
  • 6 11 3 7 2
  • 5 10 3 6 2
  • 6 11 3 7 2
  • 6 12 3 7 3
  • 7 13 4 8 3
  • 8 14 4 9 3
  • 8 14 4 9 3
  • 6 12 3 7 3
  • 6 11 3 7 2
  • 5 9 3 6 2
  • 4 7 2 4 2
  • 3 5 1 3 1
  • 3 5 1 3 1
  • 2 3 1 2 1
  • 11 21 6 13 4
  • 12 22 6 14 4
  • 12 22 6 14 4
  • 12 22 6 14 4
  • 12 23 6 14 4
  • 12 22 6 14 4
  • 11 20 6 12 4
  • 10 18 5 11 3
  • 10 19 5 12 3
  • 11 20 6 12 4
  • 12 22 6 14 4
  • 12 23 6 14 4
  • 13 24 7 15 4
  • 14 26 7 16 4
  • 15 28 8 17 4
  • 15 28 8 17 4
  • 16 29 8 18 5
  • 15 28 8 17 4
  • 13 24 7 15 4
  • 11 20 6 12 4
  • 8 15 4 9 3
  • 6 12 3 7 3
  • 5 10 3 6 2
  • 4 8 2 5 2
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.6
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.4
  • 0.4
  • 0.5
  • 0.5
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.5
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • 0
  • 0.1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 220° SW SW
  • 225° SW SW
  • 230° SW SW
  • 225° SW SW
  • 225° SW SW
  • 235° SW SW
  • 225° SW SW
  • 220° SW SW
  • 220° SW SW
  • 215° SW SW
  • 225° SW SW
  • 190° S S
  • 225° SW SW
  • 225° SW SW
  • 225° SW SW
  • 225° SW SW
  • 225° SW SW
  • 190° S S
  • 225° SW SW
  • 225° SW SW
  • 215° SW SW
  • 225° SW SW
  • 225° SW SW
  • 190° S S
  • 0.5
  • 0.5
  • 0.5
  • 0.4
  • 0.4
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.4
  • 0.4
  • 0.5
  • 0.5
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.5
  • 7
  • 8
  • 9
  • 9
  • 9
  • 10
  • 10
  • 10
  • 10
  • 11
  • 12
  • 11
  • 12
  • 12
  • 12
  • 12
  • 12
  • 13
  • 13
  • 12
  • 12
  • 13
  • 13
  • 12
  • 110
  • 120
  • 130
  • 150
  • 160
  • 180
  • 210
  • 230
  • 250
  • 280
  • 270
  • 280
  • 270
  • 260
  • 260
  • 250
  • 260
  • 260
  • 280
  • 310
  • 290
  • 280
  • 260
  • 240
  • 2.8
  • 4.0
  • 5.1
  • 5.8
  • 5.9
  • 5.4
  • 4.4
  • 3.2
  • 2.1
  • 1.3
  • 1.0
  • 1.3
  • 2.2
  • 3.5
  • 4.7
  • 5.6
  • 5.9
  • 5.5
  • 4.7
  • 3.6
  • 2.4
  • 1.5
  • 1.0
  • 1.1
  • 12 54
  • 12 54
  • 12 53
  • 12 53
  • 12 53
  • 12 53
  • 12 53
  • 12 53
  • 12 53
  • 12 53
  • 12 53
  • 12 53
  • 12 54
  • 12 54
  • 12 54
  • 13 55
  • 13 55
  • 13 55
  • 13 55
  • 13 55
  • 12 54
  • 12 54
  • 12 54
  • 12 54
  • 0
  • 0
  • 0
  • 70
  • 70
  • 70
  • 55
  • 80
  • 75
  • 70
  • 70
  • 50
  • 30
  • 35
  • 30
  • 40
  • 35
  • 65
  • 60
  • 95
  • 100
  • 100
  • 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
  • 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
  • 10
  • 10
  • 10
  • 10
  • 10
  • 10
  • 10
  • 15
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 15
  • 10
  • 1023
  • 1023
  • 1023
  • 1023
  • 1023
  • 1023
  • 1023
  • 1023
  • 1023
  • 1023
  • 1023
  • 1024
  • 1024
  • 1024
  • 1023
  • 1023
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 1
  • 2
  • 3
  • 5
  • 5
  • 5
  • 4
  • 3
  • 1
  • 1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 11 51
  • 11 51
  • 11 52
  • 12 53
  • 12 53
  • 12 53
  • 12 53
  • 12 53
  • 13 55
  • 13 56
  • 14 57
  • 14 58
  • 15 59
  • 15 60
  • 16 60
  • 16 60
  • 15 59
  • 15 59
  • 15 58
  • 14 57
  • 13 56
  • 13 56
  • 13 55
  • 13 55
  • 7 45
  • 8 46
  • 8 47
  • 9 48
  • 9 49
  • 9 49
  • 9 49
  • 10 49
  • 11 52
  • 13 55
  • 14 58
  • 16 60
  • 18 65
  • 19 67
  • 19 66
  • 17 63
  • 16 61
  • 16 60
  • 14 58
  • 13 55
  • 12 54
  • 12 54
  • 12 54
  • 12 54
  • 9 16 3 4 10
  • 10 18 3 5 11
  • 10 19 3 5 12
  • 11 20 4 6 12
  • 10 18 3 5 11
  • 10 18 3 5 11
  • 9 17 3 5 11
  • 9 16 3 4 10
  • 8 15 3 4 9
  • 9 16 3 4 10
  • 9 17 3 5 11
  • 8 15 3 4 9
  • 8 14 3 4 9
  • 8 15 3 4 9
  • 8 14 3 4 9
  • 9 16 3 4 10
  • 9 16 3 4 10
  • 9 16 3 4 10
  • 8 14 3 4 9
  • 6 12 3 3 7
  • 5 10 2 3 6
  • 5 10 2 3 6
  • 5 9 2 3 6
  • 4 7 2 2 4
  • 0.9
  • 0.9
  • 0.9
  • 0.9
  • 1
  • 1.1
  • 1.2
  • 1.2
  • 1.2
  • 1.3
  • 1.3
  • 1.2
  • 1.2
  • 1.2
  • 1.2
  • 1.1
  • 1.1
  • 1.2
  • 1.2
  • 1.2
  • 1.2
  • 1.2
  • 1.2
  • 1.1
Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Caption   Glossary

Expert opinion

A southwesterly, strong and very variable flow prevails over the whole area.

For Saint-Nazaire :
No gale warning.

We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.

Bright spells increasing during the morning, predominantly sunny in the afternoon. No precipitation. In the evening, very cloudy skies becoming totally overcast.
No precipitation. SW wind force 3 continuing all day. Gusts reaching 16 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from SW. Good visibility becoming excellent in the middle of the day then good.

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)
01h
250
11
15
9.7
1023
7
00h
230
10
19
10.3
1023
8
23h
220
10
17
11
1023
8
observation.semaphores_link
Météo France - RADOME
observation.semaphore_link

Tides at Saint-Nazaire

87
High tide 04h37 5.9m
Low tide 11h02 1.01m
93
High tide 16h53 5.88m
Low tide 23h24 0.96m
www.shom.fr - © SHOM 2026 - Local times

Go further

Thu
16
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Fri
17
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Sat
18
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Sun
19
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Mon
20
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Tue
21
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Wed
22
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Thu
23
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Fri
24
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Sat
25
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Sun
26
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Mon
27
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Tue
28
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Wed
29
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
Thu
30
-
-
- nd - km/h - bft - m/s - mph
- nd - km/h - bft - m/s - mph
* +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



        
English