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

Barbâtre FRALongitude : -2°9’,6 W Latitude : 47°0 N Altitude : 13m

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

Mon

29

-

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

Tue

30

-

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

Wed

01

-

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

Thu

02

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

BULLETIN

(established in local time)

Reliability 95%

No gale warning.

Thursday 18 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)

15

10

5

0

20

15

10

5

0

10

5

0

15

10

5

0

5

0

0.5

0

3

0

25

20

15

10

75

70

65

60

55

Fri 19

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

230° SW SW
210° SW SSW
185° S S
155° SE SSE
145° SE SE
140° SE SE
125° SE SE
120° SE ESE
115° SE ESE
105° E ESE
355° N N
325° NW NW
305° NW NW
305° NW WNW
325° NW NW
345° N NNW
10° N N
60° NE ENE
85° E E
95° E E
105° E ESE
105° E ESE
105° E ESE
110° E ESE

3 6 2 4 2
3 6 2 4 2
3 6 2 4 2
5 9 3 6 2
7 13 4 8 3
7 13 4 8 3
7 13 4 8 3
6 12 3 7 3
5 10 3 6 2
3 5 1 3 1
1 2 1 1 1
2 4 1 2 1
3 6 2 4 2
3 5 1 3 1
3 6 2 4 2
3 6 2 4 2
2 4 1 2 1
3 5 1 3 1
5 9 3 6 2
7 13 4 8 3
8 15 4 9 3
7 13 4 8 3
7 13 4 8 3
7 13 4 8 3

5 10 3 6 -
5 10 3 6 -
6 11 3 7 -
6 12 - 7 3
9 16 - 10 -
9 17 5 11 -
9 17 5 11 -
9 17 5 11 -
9 16 4 10 3
8 14 4 9 3
5 9 3 6 2
5 10 3 6 2
5 10 3 6 -
5 9 3 6 2
5 9 3 6 -
5 9 3 6 -
5 9 3 6 2
4 7 2 4 2
6 12 - 7 3
9 17 5 11 -
10 18 5 11 -
10 18 5 11 -
9 17 5 11 -
10 18 5 11 -

0.4
0.4
0.4
0.4
0.3
0.3
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
0.3
0.3

0.8
0.8
0.8
0.8
0.7
0.7
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7

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

285° W WNW
290° W WNW
295° NW WNW
295° NW WNW
300° NW WNW
300° NW WNW
295° NW WNW
290° W WNW
290° W WNW
290° W WNW
285° W WNW
285° W WNW
285° W WNW
285° W WNW
290° W WNW
295° NW WNW
295° NW WNW
300° NW WNW
295° NW WNW
295° NW WNW
290° W WNW
290° W WNW
285° W WNW
290° W WNW

0.4
0.3
0.3
0.3
0.3
0.3
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
0.3
0.3

10
10
10
10
10
10
10
9
9
9
9
10
10
10
10
10
10
10
10
9
9
9
10
9

150
160
160
160
160
170
170
160
160
150
160
160
170
170
160
160
160
160
160
150
140
140
150
150

4.8
4.4
3.7
2.9
2.3
2.1
2.2
2.7
3.3
4.0
4.7
5.1
5.2
4.9
4.2
3.2
2.4
1.8
1.7
2.0
2.6
3.5
4.3
4.9

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 67
19 67
20 67
20 67
20 67
20 67
20 67
20 67
19 67
19 67
19 67
19 66

100
80
80
80
80
90
85
80
15
15
20
15
10
10
5
5
5
5
5
5
5
5
5
10

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

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

1023
1023
1023
1023
1023
1023
1024
1024
1024
1023
1023
1023
1022
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1019

0
0
0
0
0
0
0
1
4
5
5
5
4
2
1
0
0
0
0
0
0
0
0
0

18 64
18 64
17 63
17 62
16 61
16 60
16 61
17 62
18 64
18 65
19 66
19 66
19 66
19 66
19 66
19 67
20 67
20 68
20 68
20 67
19 67
19 66
19 66
19 65

17 62
16 62
16 61
15 58
14 56
14 57
15 59
17 63
20 67
23 73
24 74
23 74
23 73
22 72
21 69
19 67
19 66
19 66
18 64
17 62
16 61
16 61
16 61
16 60

3 5 1 1 3
2 3 1 1 2
1 2 1 1 1
3 5 1 1 3
6 11 2 3 7
8 14 3 4 9
9 16 3 4 10
9 16 3 4 10
8 14 3 4 9
6 11 2 3 7
4 8 2 2 5
2 4 1 1 2
1 2 1 1 1
1 2 1 1 1
2 4 1 1 2
3 5 1 1 3
3 6 2 2 4
4 8 2 2 5
6 12 3 3 7
9 16 3 4 10
9 16 3 4 10
9 16 3 4 10
9 16 3 4 10
10 18 3 5 11

1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.2
1.2
1.2
1.2
1.2
1.2
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.1

Forecasts established in local time
Last updated 19min ago | Next update in 3h
Caption

Expert opinion

An easterly and mostly variable flow prevails over the South-East of the basin. Over the West and the North, it is southerly, strong and mostly variable.

For Les Rochelets :
No gale warning.

The reliability of the situation is assessed at 95%.

Very cloudy in the morning, sunny in the afternoon. No precipitation. In the evening, clear skies.
SE force 3 turning NNW force 2 in the middle of the day then NE force 3. Smooth to slight sea. Low, fairly long swell from WNW. Good visibility becoming excellent in the middle of the day then excellent.

Tides at Ile de Noirmoutier (L'Herbaudiere)

54

High tide 03h31 4.89m

Low tide 09h03 2.1m

61

High tide 15h50 5.2m

Low tide 21h44 1.7m

www.shom.fr - © SHOM 2025

Consult the tides for September

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

-

- 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

01

-

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

Thu

02

-

- 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 Ile de Noirmoutier (L'Herbaudiere)