Weather Les Dunes - Detailed bulletin - Free 15-day Marine forecasts

Saint-Michel-Chef-Chef FRALongitude : -2°9’,6 W Latitude : 47°12 N Altitude : 22m

Wed

17

-

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

Thu

18

-

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

Fri

19

-

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

Sat

20

-

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

Sun

21

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

Mon

22

-

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

Tue

23

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

Wed

24

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

Thu

25

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

Fri

26

-

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

Sat

27

-

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

Sun

28

-

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

Mon

29

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

Tue

30

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

Wed

31

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

BULLETIN

(established in local time)

Reliability 90%

Wind alert - Warning strong breeze offshore.

Wednesday 17 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)

40

30

20

10

70

60

50

40

30

20

15

10

5

50

40

30

20

10

5

0

1

0.5

0

3

0

15

10

5

60

55

50

45

40

Thu 18

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

195° S SSW
195° S SSW
195° S SSW
190° S SSW
190° S SSW
190° S S
190° S S
190° S S
185° S S
185° S S
185° S S
180° S S
185° S S
180° S S
175° S S
175° S S
175° S S
180° S S
180° S S
180° S S
190° S S
190° S SSW
195° S SSW
205° SW SSW

11 21 6 13 4
12 23 6 14 4
13 24 7 15 4
14 26 7 16 4
15 27 8 17 4
16 30 8 19 5
17 32 9 20 5
17 32 9 20 5
17 32 9 20 5
17 31 9 19 5
17 31 9 19 5
17 32 9 20 5
18 34 9 21 5
18 33 9 21 5
17 31 9 19 5
19 36 10 22 5
22 40 11 25 6
22 40 11 25 6
22 40 11 25 6
22 40 11 25 6
21 38 11 24 5
21 39 11 24 6
20 37 10 23 5
19 35 10 22 5

18 34 9 21 5
20 37 10 23 5
21 39 11 24 6
22 41 11 25 6
23 43 12 27 6
25 47 13 29 6
28 51 14 32 7
28 52 14 32 7
28 52 14 32 7
28 51 14 32 7
28 51 14 32 7
29 53 15 33 7
30 55 15 34 7
30 56 16 35 7
30 56 16 35 7
33 61 17 38 7
36 66 18 41 8
37 68 19 42 8
36 67 19 42 8
36 66 18 41 8
35 65 18 40 8
34 63 18 39 8
33 61 17 38 7
32 59 16 37 7

0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.7
0.6
0.6
0.6
0.6
0.7
0.7

1.3
1.3
1.2
1.2
1.3
1.3
1.2
1.2
1.2
1.3
1.4
1.4
1.4
1.4
1.3
1.2
1.3
1.3
1.3
1.3
1.2
1.3
1.5
1.5

0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.2
0.3
0.3
0.3
0.3
0.3
0.2
0.2
0.3
0.3
0.3
0.3
0.3
0.2
0.3
0.3
0.5

260° W W
265° W W
265° W W
265° W W
265° W W
260° W W
260° W W
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
260° W W
255° W WSW
255° W WSW
260° W WSW
260° W W
255° W WSW
255° W WSW
255° W WSW
255° W WSW
260° W W
260° W WSW
185° S S

0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.6
0.6
0.6
0.6
0.6
0.5
0.5
0.6
0.5
0.5
0.5
0.5
0.6
0.4

6
6
6
8
8
8
8
9
9
9
10
15
16
16
16
16
15
15
15
15
16
16
16
18

180
170
150
130
120
110
120
130
140
140
430
440
460
470
460
420
410
400
400
410
420
440
430
370

2.3
2.0
2.0
2.4
3.2
4.1
4.9
5.3
5.2
4.7
4.0
3.2
2.5
2.0
1.9
2.2
2.8
3.7
4.5
5.0
5.1
4.8
4.2
3.4

12 53
12 53
11 53
11 53
11 53
11 53
11 53
12 53
12 53
12 53
12 53
12 53
11 53
11 53
11 53
11 53
11 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53

100
100
95
100
100
100
100
100
100
100
100
100
100
100
100
95
90
100
100
100
100
100
100
100

0
0
0
0
0
0
0
0
0.1
0.5
0.6
0.6
0.7
0.3
0
0
0
0
0
0
1
1.6
0.7
0.7

-
-
-
-

0
0
0
0
20
30
35
40
50
60
75
70
65
50
40
25
25
30
40
45
60
80
90
90

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

1018
1018
1018
1017
1017
1017
1016
1016
1015
1014
1014
1013
1013
1013
1012
1011
1011
1010
1010
1009
1009
1009
1009
1010

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

11 51
11 52
12 53
12 54
12 54
12 54
12 54
12 54
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 56
14 56
14 57
14 56
13 56
13 56
13 55
13 55
13 55

7 44
7 45
7 45
7 45
7 45
7 44
7 44
7 44
7 44
7 45
7 44
7 44
7 44
7 44
8 46
7 45
7 45
8 46
7 45
7 44
7 44
6 44
7 44
7 44

19 35 5 10 22
19 36 5 10 22
21 38 5 11 24
21 39 6 11 24
21 39 6 11 24
22 40 6 11 25
22 41 6 11 25
22 41 6 11 25
22 40 6 11 25
22 40 6 11 25
21 38 5 11 24
21 39 6 11 24
21 39 6 11 24
22 40 6 11 25
24 44 6 12 27
28 51 7 14 32
28 52 7 14 32
28 52 7 14 32
26 48 6 13 30
25 46 6 13 29
24 45 6 13 28
25 47 6 13 29
25 47 6 13 29
25 46 6 13 29

1.7
1.7
1.8
1.9
2
2.1
2.2
2.2
2.3
2.3
2.4
2.4
2.5
2.6
2.9
3.1
3.4
3.5
3.7
3.7
3.7
3.7
3.7
3.8

Forecasts established in local time
Last updated 1h ago | Next update in 2h
Caption

Expert opinion

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

For Les Dunes :
Warning strong breeze offshore.

We are 90% sure of the situation, because flows might be far more disturbed than forecast.

In the evening, very cloudy.
No precipitation. S wind force 4. Gusts reaching 22 knots in the evening. Slight sea. Low, fairly long swell from WSW. Poor visibility.

Tides at Saint-Nazaire

57

High tide 02h42 5.11m

Low tide 09h09 2.02m

60

High tide 15h07 5.03m

Low tide 21h33 1.9m

www.shom.fr - © SHOM 2025

Consult the tides for December

Wed

17

-

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

Thu

18

-

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

Fri

19

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

Sat

20

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

Sun

21

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

Mon

22

-

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

Tue

23

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

Wed

24

-

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

Thu

25

-

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

Fri

26

-

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

Sat

27

-

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

Sun

28

-

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

Mon

29

-

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

Tue

30

-

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

Wed

31

-

- 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 board sports area Les Dunes

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Nazaire