Weather Saint-Nazaire - Detailed bulletin - Free 15-day Marine forecasts

Saint-Nazaire FRALon : -2°12’,198 W Lat : 47°16’,002 N Alt : 0m

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Mon

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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 90%

No gale warning.

Wednesday 1 apr

METEO CONSULT Run : 1/04 00Z Mesh : 1km Updated, 3h ago Update in 3h

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell (m) (m)

Total sea (m)

Wind (m)

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 (mm)

Type of precipitation

Risks:

Precipitation risk (%)

Storm risk. (%)

Brightness:

Visibility (km)

Pressure (hPa)

UV

Temperature

Air temp

Perceived temp

Air temp

Perceived temp

Offshore

Offshore wind

Offshore sea (m)

25

20

15

10

5

40

30

20

10

15

10

5

0

25

20

15

10

5

10

5

0

0.5

0

3

0

20

15

10

5

70

60

50

40

                                    
                                                                         Thu 2
                                                            
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                        Run : 1/04 00Z
                Mesh : 1km
                Updated, 3h ago
                Update in 3h

Thu 2

21h
22h
23h
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
20h

255° W WSW
285° W WNW
335° NW NNW
330° NW NNW
330° NW NNW
320° NW NW
315° NW NW
310° NW NW
305° NW NW
305° NW NW
315° NW NW
320° NW NW
330° NW NNW
335° NW NNW
350° N N
355° N N
355° N N
350° N N
345° N NNW
345° N NNW
345° N NNW
340° N NNW
335° NW NNW
335° NW NNW

8 15 4 9 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
6 11 3 7 2
6 11 3 7 2
6 11 3 7 2
6 11 3 7 2
7 13 4 8 3
6 12 3 7 3
8 14 4 9 3
9 17 5 11 3
10 18 5 11 3
10 18 5 11 3
9 16 4 10 3
9 16 4 10 3
9 16 4 10 3
9 16 4 10 3
8 15 4 9 3
8 14 4 9 3
7 13 4 8 3
5 10 3 6 2

16 30 8 19 5
16 29 8 18 5
13 25 7 16 4
14 26 7 16 4
14 26 7 16 4
13 24 7 15 4
12 23 6 14 4
12 23 6 14 4
12 23 6 14 4
13 25 7 16 4
15 27 8 17 4
13 24 7 15 4
15 27 8 17 4
18 34 9 21 5
20 37 10 23 5
19 36 10 22 5
18 34 9 21 5
18 33 9 21 5
18 33 9 21 5
17 32 9 20 5
17 31 9 19 5
15 28 8 17 4
15 27 8 17 4
14 26 7 16 4

0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.2
0.2
0.2
0.2
0.3
0.3
0.3
0.3
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2

0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0

225° SW SW
225° SW SW
230° SW SW
225° SW SW
230° SW SW
230° SW SW
230° SW SW
235° SW SW
235° SW SW
235° SW SW
240° SW WSW
230° SW SW
225° SW SW
225° SW SW
225° SW SW
225° SW SW
195° S SSW
230° SW SW
230° SW SW
235° SW SW
230° SW SW
230° SW SW
230° SW SW
230° SW SW

0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.2
0.2
0.2
0.2
0.3
0.3
0.3
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2

6
6
6
6
6
6
5
6
5
5
5
5
5
6
6
8
7
8
6
7
6
5
5
6

160
150
120
110
110
90
90
90
90
90
90
100
140
140
140
140
140
130
110
110
110
90
90
60

2.9
1.9
1.2
1.0
1.4
2.5
3.8
5.1
5.8
5.8
5.3
4.4
3.3
2.2
1.4
0.9
1.1
2.0
3.4
4.7
5.6
5.8
5.4
4.6

11 52
11 51
10 50
10 50
9 49
9 49
9 49
10 50
11 51
11 52
11 53
12 53
11 53
11 52
10 50
10 50
10 49
10 49
10 50
11 51
11 51
11 52
12 53
12 54

95
100
95
95
100
95
100
100
100
95
95
80
35
65
60
60
45
45
40
30
25
25
30
20

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
25
30
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
0

10
15
>20
>20
>20
>20
>20
15
10
5
5
5
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1021
1021
1022
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
4
4
4
3
2
1
0
0

12 53
11 52
10 51
10 50
10 50
10 49
9 48
9 48
9 49
10 49
10 49
9 49
10 49
11 51
11 53
12 54
13 56
14 57
15 58
15 58
15 58
14 58
14 57
13 55

9 48
9 47
8 47
8 46
8 46
7 45
7 44
7 44
7 45
7 45
7 45
7 45
8 46
9 47
11 51
13 55
14 58
16 61
17 63
17 63
17 62
15 59
13 56
11 53

13 25 4 7 16
14 26 4 7 16
16 30 5 8 19
15 27 4 8 17
13 25 4 7 16
12 23 4 6 14
12 23 4 6 14
16 29 5 8 18
16 29 5 8 18
15 28 4 8 17
15 27 4 8 17
16 29 5 8 18
17 32 5 9 20
17 31 5 9 19
16 29 5 8 18
13 25 4 7 16
12 23 4 6 14
11 20 4 6 12
11 20 4 6 12
10 19 3 5 12
13 24 4 7 15
15 27 4 8 17
17 31 5 9 19
18 33 5 9 21

0.9
0.9
0.9
0.8
0.8
0.7
0.7
0.7
0.7
0.8
0.8
0.9
0.9
0.8
0.9
0.8
0.8
0.7
0.7
0.7
0.7
0.8
0.9
1

Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Caption

Expert opinion

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

For Saint-Nazaire :
No gale warning.

The reliability of the situation is assessed at 90%.

In the evening, very cloudy.
No precipitation. NNW wind force 3. Gusts reaching 17 knots in the evening. Smooth to slight sea. Low, short swell from SW. Poor 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)
20h	0	21	35	12.4	1024	0
19h	20	18	31	13.2	1024	0
18h	20	14	28	14.1	1024	0

observation.semaphores_link

Météo France - RADOME

observation.semaphore_link

Tides at Saint-Nazaire

89

High tide 05h03 5.78m

Low tide 11h43 0.93m

92

High tide 17h17 5.75m

Low tide 23h56 0.96m

www.shom.fr - © SHOM 2026 - Local times

Consult the tides for April

Go further

Wed

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- nd - km/h - bft - m/s - mph

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- nd - km/h - bft - m/s - mph

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Wed

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- 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

Weather port Saint-Nazaire

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

semaphore stations

Tides at Saint-Nazaire

Go further