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

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

Fri

05

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

Sat

06

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

Sun

07

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

Mon

08

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

Tue

09

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

Wed

10

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

Thu

11

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

Fri

12

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

Sat

13

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

Sun

14

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

Mon

15

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

Tue

16

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

Wed

17

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

Thu

18

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Fri

19

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BULLETIN

(established in local time)

Reliability 90%

Wind alert - Warning fresh gale offshore.

Friday 5 december

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)

50

40

30

20

10

0

80

70

60

50

40

30

20

10

0

30

20

10

0

50

40

30

20

10

0

10

5

0

1

0.5

0

3

0

15

10

5

0

60

50

40

30

Sat 6

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

295° NW WNW
295° NW WNW
295° NW WNW
290° W WNW
210° SW SSW
150° SE SSE
150° SE SSE
155° SE SSE
155° SE SSE
155° SE SSE
165° S SSE
165° S SSE
175° S S
175° S S
170° S S
175° S S
180° S S
205° SW SSW
220° SW SW
240° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW

4 8 2 5 2
4 7 2 4 2
2 4 1 2 1
2 3 1 2 1
1 2 1 1 1
3 5 1 3 1
6 11 3 7 2
8 15 4 9 3
10 18 5 11 3
11 20 6 12 4
11 21 6 13 4
12 22 6 14 4
15 27 8 17 4
17 32 9 20 5
20 37 10 23 5
23 42 12 26 6
23 42 12 26 6
21 38 11 24 5
18 33 9 21 5
15 28 8 17 4
16 29 8 18 5
16 30 8 19 5
15 28 8 17 4
16 30 8 19 5

7 13 4 8 3
6 12 3 7 3
5 9 3 6 2
3 6 2 4 2
2 3 - 2 -
4 7 2 4 2
9 17 5 11 3
13 25 7 16 4
17 31 9 19 5
18 33 9 21 5
19 35 10 22 5
20 37 10 23 5
24 44 12 27 6
29 54 15 34 7
33 62 17 39 8
38 70 19 43 8
40 75 21 47 9
42 77 21 48 9
37 69 19 43 8
31 58 16 36 7
30 56 16 35 7
30 56 16 35 7
29 54 15 34 7
30 56 16 35 7

0.5
0.5
0.5
0.5
0.5
0.5
0.6
0.5
0.6
0.6
0.5
0.6
0.6
0.7
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.6
0.6
0.6

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

0
0
0
0
0
0
0.1
0.1
0.1
0.2
0.2
0.3
0.3
0.4
0.4
0.4
0.5
0.6
0.4
0.4
0.3
0.4
0.4
0.3

230° SW SW
230° SW SW
210° SW SSW
210° SW SSW
230° SW SW
225° SW SW
230° SW SW
225° SW SW
225° SW SW
230° SW SW
215° SW SSW
235° SW SW
255° W WSW
255° W WSW
260° W WSW
215° SW SW
180° S S
215° SW SW
220° SW SW
215° SW SSW
215° SW SW
215° SW SSW
210° SW SSW
220° SW SW

0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.3
0.5
0.5
0.5
0.5
0.5
0.4

11
12
12
13
14
14
14
14
14
14
15
13
12
11
7
7
6
8
8
7
8
8
9
8

240
250
260
290
330
380
390
400
390
390
380
160
140
120
110
100
90
80
80
190
190
180
80
80

4.4
5.5
6.0
5.8
5.1
4.0
2.7
1.6
0.9
0.7
1.2
2.3
3.7
4.9
5.8
5.9
5.4
4.5
3.2
2.0
1.2
0.8
1.1
2.0

12 53
12 53
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
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54

0
0
5
25
40
75
90
95
100
100
100
100
100
100
100
100
100
100
100
85
80
85
55
75

0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.5
0.7
1.7
1.7
1.2
0.8
0
0
0
0
0

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

0
0
0
0
0
0
0
0
0
0
0
45
80
90
90
90
90
90
70
40
20
0
0
0

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

1009
1010
1010
1010
1011
1011
1011
1011
1011
1011
1010
1009
1008
1007
1006
1004
1003
1003
1003
1003
1003
1003
1004
1004

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

4 40
4 39
4 39
4 39
4 40
5 40
5 41
6 43
7 45
8 47
9 49
10 50
10 50
10 51
11 51
11 52
12 53
13 55
13 56
14 57
14 56
13 56
13 56
13 56

3 37
3 37
3 37
3 38
4 39
3 38
3 37
3 38
4 39
5 41
6 43
6 43
6 42
5 41
4 40
4 39
5 41
6 43
8 46
9 47
8 47
8 46
8 47
8 46

10 19 3 5 12
10 18 3 5 11
8 14 3 4 9
6 11 2 3 7
5 10 2 3 6
8 14 3 4 9
10 18 3 5 11
12 23 4 6 14
15 28 4 8 17
19 35 5 10 22
22 41 6 11 25
25 46 6 13 29
29 53 7 15 33
31 57 7 16 35
33 62 8 17 39
30 56 7 16 35
27 50 7 14 31
24 44 6 12 27
23 42 6 12 26
23 43 6 12 27
23 42 6 12 26
23 43 6 12 27
24 44 6 12 27
25 46 6 13 29

1.4
1.4
1.4
1.4
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.6
1.8
1.9
1.9
1.8
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7

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

For Saint-Nazaire :
Warning fresh gale offshore.

We are 90% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will begin.

Very cloudy in the morning, overcast skies in the afternoon. No precipitation in the morning, drizzle followed by showers in the afternoon. In the evening, very cloudy skies to overcast.
Showers becoming less frequent. SSE force 4 freshening force 6 in the middle of the day then becoming SW. Gusts reaching 42 knots in the evening. Smooth to slight sea becoming slight in the middle of the day. Low, long swell from SW. Good visibility becoming excellent in the middle of the day.

Tides at Saint-Nazaire

97

High tide 04h11 5.97m

Low tide 10h49 0.72m

98

High tide 16h42 5.94m

Low tide 23h08 0.77m

www.shom.fr - © SHOM 2025

Consult the tides for December

Fri

05

-

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

Sat

06

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

Sun

07

-

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

Mon

08

-

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

Tue

09

-

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

Wed

10

-

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

Thu

11

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

Fri

12

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

Sat

13

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

Sun

14

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

Mon

15

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

Tue

16

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

Wed

17

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

Thu

18

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

Fri

19

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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

Tides at Saint-Nazaire