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

Saint-Brevin-les-Pins FRALongitude : -2°10’,8336 W Latitude : 47°13’,794 N Altitude : 0m

Sun

14

-

- 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

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

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

Tue

23

-

- 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

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

Sat

27

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

Sun

28

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

BULLETIN

(established in local time)

Reliability 85%

Wind alert - Warning strong breeze offshore.

Sunday 14 september

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

10

20

15

10

5

50

40

30

20

10

5

0

1

0.5

0

3

0

25

20

15

10

70

65

60

55

50

Mon 15

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

210° SW SSW
225° SW SW
240° SW WSW
240° SW WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
245° SW WSW
245° SW WSW
245° SW WSW
240° SW WSW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW WSW
230° SW SW
230° SW SW
235° SW SW
260° W W
260° W W
265° W W
265° W W

10 18 5 11 3
10 18 5 11 3
11 21 6 13 4
13 24 7 15 4
15 28 8 17 4
16 29 8 18 5
16 29 8 18 5
16 30 8 19 5
17 31 9 19 5
18 33 9 21 5
17 32 9 20 5
17 32 9 20 5
17 31 9 19 5
16 30 8 19 5
18 33 9 21 5
18 34 9 21 5
21 38 11 24 5
19 36 10 22 5
20 37 10 23 5
19 35 10 22 5
18 33 9 21 5
18 33 9 21 5
18 34 9 21 5
18 33 9 21 5

21 39 11 24 6
20 37 10 23 5
19 35 10 22 5
21 38 11 24 5
25 46 13 29 6
25 47 13 29 6
25 47 13 29 6
26 49 14 30 6
28 52 14 32 7
31 57 16 35 7
31 58 16 36 7
29 54 15 34 7
29 53 15 33 7
28 52 14 32 7
30 56 16 35 7
30 55 15 34 7
33 61 17 38 7
33 61 17 38 7
32 59 16 37 7
33 61 17 38 7
35 64 18 40 8
30 56 16 35 7
30 55 15 34 7
29 53 15 33 7

0.5
0.5
0.6
0.6
0.5
0.6
0.7
0.8
0.8
0.8
0.8
0.8
0.8
0.7
0.7
0.6
0.6
0.7
0.8
0.9
0.9
0.9
0.9
0.7

1.1
1.1
1.1
1.1
1.1
1.2
1.4
1.6
1.6
1.6
1.6
1.6
1.6
1.5
1.3
1.3
1.3
1.4
1.6
1.7
1.7
1.7
1.7
1.4

0.2
0.1
0.2
0.2
0.2
0.4
0.6
0.7
0.7
0.7
0.7
0.7
0.6
0.6
0.5
0.5
0.5
0.7
0.7
0.8
0.7
0.7
0.7
0.4

250° W WSW
250° W WSW
195° S SSW
200° S SSW
265° W W
195° S SSW
205° SW SSW
200° S SSW
195° S SSW
180° S S
180° S S
175° S S
175° S S
270° W W
270° W W
270° W W
270° W W
295° NW WNW
200° S SSW
205° SW SSW
205° SW SSW
175° S S
220° SW SW
255° W WSW

0.5
0.5
0.5
0.4
0.4
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.4
0.3
0.4
0.3
0.3
0.1
0.3
0.3
0.4
0.4
0.4
0.6

8
7
9
8
7
9
8
8
9
9
9
7
7
7
7
7
7
7
8
8
8
9
8
8

100
80
80
80
80
50
45
45
60
60
70
70
70
70
60
60
70
70
60
70
80
80
90
80

2.7
3.7
4.5
5.0
4.9
4.6
4.1
3.5
2.9
2.4
2.0
2.0
2.3
3.0
3.8
4.4
4.6
4.5
4.2
3.7
3.2
2.7
2.4
2.2

19 65
19 65
19 65
19 65
19 65
19 65
19 65
19 65
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66

100
100
100
100
100
95
95
95
95
95
100
100
100
100
100
95
95
95
95
100
100
65
90
45

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

-
-
-
-
-
-

40
50
30
30
35
25
20
20
20
0
0
0
0
20
25
35
35
30
25
50
50
40
0
0

1
5
10
5
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1012
1012
1012
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1014
1015
1015
1015
1015
1014
1015
1015
1016
1016

0
0
0
0
0
1
1
2
2
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0

18 64
18 65
18 65
18 65
19 66
19 66
19 67
19 67
20 67
20 67
20 67
20 68
20 67
19 67
19 67
19 67
19 66
19 66
19 66
19 66
18 65
18 64
18 64
17 63

14 58
15 58
14 58
14 57
14 57
15 59
15 58
17 62
16 61
16 60
15 60
15 59
15 59
14 58
14 56
13 56
13 55
13 55
13 55
13 55
12 54
12 54
12 53
11 53

21 38 5 11 24
19 36 5 10 22
19 36 5 10 22
20 37 5 10 23
20 37 5 10 23
20 37 5 10 23
22 40 6 11 25
21 39 6 11 24
22 41 6 11 25
22 40 6 11 25
22 40 6 11 25
21 38 5 11 24
20 37 5 10 23
22 40 6 11 25
22 40 6 11 25
22 41 6 11 25
23 43 6 12 27
24 44 6 12 27
22 41 6 11 25
23 43 6 12 27
24 44 6 12 27
23 42 6 12 26
21 39 6 11 24
21 38 5 11 24

2.3
2.4
2.4
2.3
2.3
2.2
2.2
2.2
2.3
2.3
2.2
2.2
2.2
2.2
2.2
2.2
2.3
2.3
2.4
2.4
2.4
2.4
2.3
2.2

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

Expert opinion

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

For Les Rochelets :
Warning strong breeze offshore.

We are 85% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will end.

Overcast with reduced visibility in the morning, very cloudy skies to overcast in the afternoon. Drizzle fading over time in the morning, possibility of a few spots in the afternoon. In the evening, very cloudy skies to overcast.
Chance of light rain. WSW wind force 5 continuing all day. Gusts reaching 33 knots in the evening. Smooth to slight sea becoming slight in the middle of the day. Low, fairly long swell from SSW. Visibility reduced by mist becoming excellent in the middle of the day.

Tides at Saint-Nazaire

58

Low tide 04h12 1.77m

High tide 09h14 4.97m

49

Low tide 16h50 1.95m

High tide 21h58 4.6m

www.shom.fr - © SHOM 2025

Consult the tides for September

Sun

14

-

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

Mon

15

-

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

Tue

16

-

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

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

-

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

Mon

22

-

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

Tue

23

-

- 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

* +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 Rochelets

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Nazaire