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

Saint-Nazaire FRALongitude : -2°12’,198 W Latitude : 47°16’,002 N Altitude : 0m

Thu

22

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

Fri

23

-

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

Sat

24

-

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

Sun

25

-

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

Mon

26

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

Tue

27

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

Wed

28

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

Thu

29

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

Fri

30

-

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

Sat

31

-

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

Sun

01

-

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

Mon

02

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

Tue

03

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

Wed

04

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

Thu

05

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

BULLETIN

(established in local time)

Reliability 85%

Wind alert - Warning strong breeze offshore.

Thursday 22 may

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell height (m) (m)

Total sea (m)

Total wave height (m)

Wind (m)

Swell direction

Swell height (m)

Swell period (s)

Wave length (m)

High tide (m)

Sea temp

Weather

Rain (mm) (mm)

Cloud cover(%)

Amount of precipitation(mm)

Type of precipitation

Precipitation risk(%)

Visibility(km)

Pressure(hPa)

UV

Temperature

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

0.5

0

3

0

30

25

20

15

10

5

80

70

60

50

40

Fri 23

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

275° W W
275° W W
265° W W
275° W W
280° W W
280° W W
280° W WNW
290° W WNW
300° NW WNW
335° NW NNW
335° NW NNW
330° NW NNW
320° NW NW
325° NW NW
325° NW NW
325° NW NW
320° NW NW
320° NW NW
325° NW NW
330° NW NNW
335° NW NNW
345° N NNW
335° NW NNW
275° W W

9 17 5 11 3
10 19 5 12 3
10 19 5 12 3
12 22 6 14 4
12 22 6 14 4
12 22 6 14 4
11 20 6 12 4
8 15 4 9 3
6 11 3 7 2
7 13 4 8 3
6 11 3 7 2
5 10 3 6 2
5 10 3 6 2
6 11 3 7 2
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
6 11 3 7 2
5 9 3 6 2
3 6 2 4 2
2 4 1 2 1
2 4 1 2 1

16 29 8 18 5
18 33 9 21 5
18 34 9 21 5
21 38 11 24 5
22 40 11 25 6
22 41 11 25 6
21 38 11 24 5
17 32 9 20 5
15 27 8 17 4
13 25 7 16 4
13 24 7 15 4
10 18 5 11 3
9 16 4 10 3
9 16 4 10 3
9 17 5 11 3
9 17 5 11 3
9 16 4 10 3
9 16 4 10 3
10 19 5 12 3
11 20 6 12 4
10 19 5 12 3
10 18 5 11 3
9 17 5 11 3
9 16 4 10 3

0.2
0.2
0.2
0.3
0.3
0.3
0.4
0.4
0.4
0.4
0.3
0.3
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.1
0.1

0.4
0.4
0.5
0.6
0.7
0.7
0.8
0.8
0.9
0.8
0.7
0.6
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.3
0.3
0.3
0.3
0.3

0.1
0.1
0.1
0.2
0.2
0.2
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

235° SW SW
230° SW SW
230° SW SW
225° SW SW
230° SW SW
230° SW SW
230° SW SW
240° SW WSW
240° SW WSW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
230° SW SW
230° SW SW
230° SW SW
230° SW SW
235° SW SW
240° SW WSW
235° SW SW
235° SW SW
235° SW SW

0.1
0.2
0.2
0.2
0.2
0.2
0.2
0.4
0.4
0.4
0.3
0.3
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.1
0.1
0.1
0.1

6
7
5
5
6
5
5
5
4
4
4
5
5
5
5
5
5
5
5
5
5
5
4
4

60
35
30
25
25
35
35
40
35
40
40
40
40
40
40
45
45
45
70
50
50
45
40
40

4.8
4.6
4.0
3.3
2.6
2.1
2.0
2.3
2.9
3.6
4.4
4.9
5.2
5.0
4.4
3.6
2.7
2.0
1.7
1.8
2.3
3.0
3.8
4.6

14 58
15 58
15 58
15 58
15 58
15 58
15 58
14 58
14 58
14 58
14 58
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 58
15 58

5
75
30
30
65
60
50
60
65
45
25
20
30
50
40
0
0
0
5
20
25
20
25
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
20
20
25
25
25
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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

1020
1020
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1020
1020

6
5
5
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
4
5
6

19 66
19 66
20 67
20 67
19 67
19 65
18 64
18 64
17 62
16 61
15 59
14 57
13 55
12 54
11 53
11 51
10 49
9 48
10 50
12 54
14 57
15 60
17 62
18 64

25 77
16 60
23 73
21 70
19 67
16 61
16 60
15 59
15 58
14 56
13 55
12 53
11 51
10 50
9 49
9 47
7 45
7 45
9 48
13 55
16 61
20 67
23 73
24 76

13 24 4 7 15
16 30 5 8 19
19 35 5 10 22
21 38 5 11 24
22 40 6 11 25
22 41 6 11 25
22 41 6 11 25
21 38 5 11 24
18 34 5 9 21
16 29 5 8 18
12 23 4 6 14
11 21 4 6 13
12 22 4 6 14
12 23 4 6 14
12 23 4 6 14
12 23 4 6 14
12 22 4 6 14
11 21 4 6 13
11 21 4 6 13
11 20 4 6 12
10 18 3 5 11
10 18 3 5 11
10 18 3 5 11
10 19 3 5 12

0.5
0.6
0.8
1
1.2
1.2
1.1
1
0.9
0.8
0.6
0.6
0.5
0.5
0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.4
0.4
0.4

Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Last updated 1h ago | Next update in 2h
Caption

Expert opinion

A northwesterly and mostly variable flow prevails over the whole area.

For Saint-Nazaire :
Warning strong breeze offshore.

We are 85% sure of the situation, because the atmosphere might not be as stable as forecast.

Relatively clear skies becoming changeable. In the evening, cloudy spells, sometimes dense.
Chance of light rain. WNW wind force 4 from the middle of the day. Gusts reaching 22 knots in the evening. Smooth sea becoming smooth to slight in the evening. Low, short swell from SW. Good visibility becoming excellent in the evening.

Tides at Saint-Nazaire

49

High tide 01h09 4.95m

Low tide 07h10 1.97m

54

High tide 13h53 4.85m

Low tide 19h43 2.01m

www.shom.fr - © SHOM 2025

Consult the tides for May

Thu

22

-

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

Fri

23

-

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

Sat

24

-

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

Sun

25

-

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

Mon

26

-

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

Tue

27

-

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

Wed

28

-

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

Thu

29

-

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

Fri

30

-

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

Sat

31

-

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

Sun

01

-

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

Mon

02

-

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

Tue

03

-

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

Wed

04

-

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

Thu

05

-

- 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

Tides at Saint-Nazaire