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

13

-

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

Fri

14

-

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

Sat

15

-

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

Sun

16

-

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

Mon

17

-

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

Tue

18

-

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

Wed

19

-

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

Thu

20

-

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

Fri

21

-

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

Sat

22

-

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

Sun

23

-

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

Mon

24

-

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

Tue

25

-

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

Wed

26

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

Thu

27

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

BULLETIN

(established in local time)

Reliability 90%

Wind alert - Warning strong breeze offshore.

Thursday 13 november

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Under storms

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)

40

30

20

10

0

70

60

50

40

30

20

10

20

15

10

5

50

40

30

20

10

5

0

1

0.5

0

3

0

20

15

10

65

60

55

50

Fri 14

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

145° SE SSE
150° SE SSE
145° SE SE
150° SE SSE
150° SE SSE
150° SE SSE
150° SE SSE
155° SE SSE
155° SE SSE
155° SE SSE
155° SE SSE
145° SE SE
150° SE SSE
160° S SSE
170° S S
160° S SSE
170° S S
190° S SSW
210° SW SSW
215° SW SW
220° SW SW
220° SW SW
220° SW SW
210° SW SSW

13 25 7 16 4
13 24 7 15 4
12 23 6 14 4
12 23 6 14 4
13 25 7 16 4
14 26 7 16 4
14 26 7 16 4
15 28 8 17 4
15 28 8 17 4
15 28 8 17 4
16 30 8 19 5
13 24 7 15 4
15 28 8 17 4
15 28 8 17 4
18 33 9 21 5
16 29 8 18 5
19 35 10 22 5
17 31 9 19 5
15 27 8 17 4
16 29 8 18 5
15 28 8 17 4
14 26 7 16 4
12 22 6 14 4
9 17 5 11 3

23 43 12 27 6
28 51 14 32 7
24 44 12 27 6
26 49 14 30 6
28 52 14 32 7
28 52 14 32 7
29 53 15 33 7
30 56 16 35 7
30 56 16 35 7
31 57 16 35 7
31 58 16 36 7
29 54 15 34 7
29 54 15 34 7
31 57 16 35 7
35 64 18 40 8
32 59 16 37 7
34 63 18 39 8
33 61 17 38 7
28 51 14 32 7
29 53 15 33 7
29 53 15 33 7
26 49 14 30 6
24 44 12 27 6
20 37 10 23 5

- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
>35 >65 >19 >40 >8
>35 >70 >20 >45 >8
>40 >75 >21 >45 >9
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -

0.5
0.4
0.5
0.5
0.4
0.4
0.4
0.5
0.5
0.5
0.5
0.5
0.6
0.7
0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.5
0.5
0.5

1
0.9
1
1
0.9
0.9
0.9
1
1
1
1
1
1.2
1.3
1.2
1.2
1.2
1.1
1
1
1
1
1
1

0.2
0.1
0.2
0.2
0.2
0.2
0.2
0.2
0.1
0.2
0.2
0.2
0.4
0.5
0.4
0.4
0.4
0.3
0.3
0.3
0.3
0.3
0.3
0.2

220° SW SW
220° SW SW
225° SW SW
230° SW SW
230° SW SW
225° SW SW
225° SW SW
225° SW SW
220° SW SW
220° SW SW
220° SW SW
220° SW SW
245° SW WSW
255° W WSW
235° SW SW
235° SW SW
220° SW SW
220° SW SW
220° SW SW
220° SW SW
220° SW SW
220° SW SW
220° SW SW
220° SW SW

0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.4
0.3
0.4
0.4
0.4

9
9
9
7
8
8
7
7
8
8
8
8
9
6
8
8
5
7
7
6
7
6
5
6

130
130
80
80
80
80
70
70
120
120
120
90
70
70
70
60
60
60
60
50
50
45
50
70

2.3
2.7
3.2
3.8
4.2
4.6
4.7
4.5
3.9
3.2
2.6
2.3
2.4
2.7
3.2
3.7
4.3
4.7
4.9
4.8
4.4
3.6
2.9
2.3

15 58
15 58
15 58
15 58
15 58
15 58
15 58
15 58
15 58
15 58
15 58
15 58
15 58
15 58
15 58
15 58
15 58
15 58
15 58
15 58
15 58
15 58
15 58
15 58

10
85
95
90
55
55
70
85
85
90
100
100
100
95
100
100
85
80
70
50
55
45
40
30

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.4
0.7
0.5
0.2
0
0
0
0
0

-
-
-
-
-
-
-
-
-
-
-
-
-

25
0
0
0
0
0
0
0
0
0
20
25
35
40
55
60
65
55
50
30
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

1003
1002
1002
1001
1001
1001
1000
1000
999
999
998
998
997
997
997
997
997
998
998
999
999
1000
1000
1001

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0

18 64
18 64
17 63
17 63
17 63
17 62
17 62
17 62
17 62
17 62
17 63
17 62
17 62
17 62
17 62
17 62
17 63
17 63
17 62
17 62
17 62
16 61
16 60
15 59

13 56
13 56
13 56
13 55
13 55
12 54
12 53
12 53
12 53
12 53
12 53
12 54
12 53
12 53
11 52
12 54
12 53
12 54
13 56
13 55
14 56
13 55
12 54
12 53

18 34 5 9 21
21 39 6 11 24
22 40 6 11 25
20 37 5 10 23
19 36 5 10 22
20 37 5 10 23
22 41 6 11 25
22 41 6 11 25
23 42 6 12 26
24 45 6 13 28
22 41 6 11 25
24 44 6 12 27
21 39 6 11 24
24 45 6 13 28
24 44 6 12 27
23 42 6 12 26
21 39 6 11 24
19 36 5 10 22
22 40 6 11 25
22 41 6 11 25
20 37 5 10 23
18 34 5 9 21
16 30 5 8 19
15 27 4 8 17

1.3
1.3
1.2
1.2
1.2
1.4
1.5
1.5
1.4
1.3
1.4
1.4
1.5
1.5
1.4
1.4
1.3
1.2
1.1
1.1
1.1
1
0.9
0.8

Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Last updated 11min ago | Next update in 3h
Caption

Expert opinion

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

For Saint-Nazaire :
Warning strong breeze offshore.

We are 90% sure of the situation, because the atmosphere might not be as stable as forecast.

In the evening, good clear periods but cloud building.
Chance of light rain. SE wind force 4. Gusts reaching 28 knots in the evening. Smooth to slight sea. Low, fairly long swell from SW. Excellent visibility.

Tides at Saint-Nazaire

45

High tide 00h03 4.61m

Low tide 05h00 2.29m

44

High tide 12h28 4.82m

Low tide 17h47 2.16m

www.shom.fr - © SHOM 2025

Consult the tides for November

Thu

13

-

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

Fri

14

-

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

Sat

15

-

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

Sun

16

-

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

Mon

17

-

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

Tue

18

-

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

Wed

19

-

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

Thu

20

-

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

Fri

21

-

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

Sat

22

-

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

Sun

23

-

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

Mon

24

-

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

Tue

25

-

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

Wed

26

-

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

Thu

27

-

- 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