Weather Crique du Grand Mathieu - Detailed bulletin - Free 15-day Marine forecasts

Batz-sur-Mer (44740)Longitude : -2°28’,6836 W Latitude : 47°16’,314 N Altitude : 0m

Tue

29

-

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

Wed

30

-

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

Thu

31

-

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

Fri

01

-

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

Sat

02

-

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

Sun

03

-

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

Mon

04

-

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

Tue

05

-

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

Wed

06

-

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

Thu

07

-

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

Fri

08

-

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

Sat

09

-

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

Sun

10

-

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

Mon

11

-

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

Tue

12

-

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

BULLETIN

(established in local time)

Reliability 85%

No gale warning.

Tuesday 29 july

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)

20

15

10

5

40

30

20

10

15

10

5

0

25

20

15

10

5

10

5

0

1

0.5

0

3

0

30

25

20

15

10

90

80

70

60

50

Wed 30

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

285° W WNW
295° NW WNW
305° NW NW
320° NW NW
325° NW NW
330° NW NNW
330° NW NNW
325° NW NW
325° NW NW
325° NW NW
325° NW NW
325° NW NW
325° NW NW
315° NW NW
300° NW WNW
280° W W
275° W W
275° W W
280° W W
285° W WNW
285° W WNW
290° W WNW
290° W WNW
300° NW WNW

7 13 4 8 3
9 16 4 10 3
8 14 4 9 3
8 14 4 9 3
9 16 4 10 3
9 17 5 11 3
9 16 4 10 3
9 16 4 10 3
9 17 5 11 3
9 16 4 10 3
9 16 4 10 3
9 16 4 10 3
8 15 4 9 3
8 15 4 9 3
8 15 4 9 3
9 16 4 10 3
11 20 6 12 4
11 20 6 12 4
12 22 6 14 4
12 23 6 14 4
11 21 6 13 4
11 20 6 12 4
10 19 5 12 3
10 18 5 11 3

12 23 6 14 4
14 26 7 16 4
14 26 7 16 4
13 25 7 16 4
13 25 7 16 4
15 27 8 17 4
14 26 7 16 4
13 25 7 16 4
14 26 7 16 4
13 25 7 16 4
13 25 7 16 4
13 25 7 16 4
13 24 7 15 4
12 23 6 14 4
12 23 6 14 4
13 24 7 15 4
15 27 8 17 -
16 30 8 19 5
17 32 9 20 5
19 35 10 22 5
18 34 9 21 5
17 32 9 20 5
16 30 8 19 5
15 28 8 17 4

0.5
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
0.4
0.4
0.5
0.5
0.5
0.5

1
1.1
1.1
1.1
1.1
1
1
1
1
1
1
0.9
0.9
0.9
0.8
0.8
0.8
0.8
0.8
0.9
1
1
1
1

0.2
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.2
0.2
0.3
0.2
0.2
0.1
0.1

245° SW WSW
240° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
245° SW WSW
245° SW WSW

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
0.3
0.3
0.3
0.3
0.3
0.4
0.4
0.4
0.5

5
4
4
5
5
5
5
5
4
4
4
5
5
6
6
6
6
6
7
7
5
5
4
5

35
30
30
35
40
40
35
35
35
35
35
40
40
45
50
60
60
60
70
70
25
30
30
35

4.6
3.9
3.0
2.3
1.7
1.4
1.5
2.2
3.1
4.0
4.6
4.7
4.5
3.9
3.2
2.5
1.9
1.6
1.7
2.2
3.0
3.9
4.6
4.8

18 64
18 64
18 64
18 64
18 64
18 64
18 64
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64

0
90
90
70
75
85
90
85
85
85
90
85
80
75
40
80
80
80
85
85
80
80
85
90

0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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

50
25
30
25
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021

0
0
0
0
0
0
0
0
0
0
0
0
1
2
5
4
4
4
3
2
1
1
0
0

20 67
19 66
19 66
19 65
18 65
18 64
18 64
17 63
17 63
17 63
18 64
18 64
19 66
20 67
20 68
20 69
20 69
21 69
21 69
20 69
20 69
21 69
20 69
20 68

17 63
16 60
16 61
16 60
15 59
15 58
15 58
14 58
14 57
14 57
15 59
16 61
18 64
20 67
25 77
27 80
26 78
26 79
26 78
24 76
23 74
22 72
20 69
20 68

13 24 4 7 15
15 27 4 8 17
13 25 4 7 16
13 24 4 7 15
12 22 4 6 14
11 21 4 6 13
11 21 4 6 13
11 20 4 6 12
11 20 4 6 12
11 20 4 6 12
10 18 3 5 11
10 19 3 5 12
9 17 3 5 11
10 19 3 5 12
10 18 3 5 11
10 19 3 5 12
11 21 4 6 13
13 25 4 7 16
15 27 4 8 17
15 28 4 8 17
14 26 4 7 16
15 28 4 8 17
16 30 5 8 19
16 29 5 8 18

0.7
0.7
0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.5
0.5
0.6
0.6
0.7
0.8
0.8

Forecasts established in local time
Last updated 8min ago | Next update in 3h
Caption

Expert opinion

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

For Crique du Grand Mathieu :
No gale warning.

We are 85% sure of the situation, because the atmosphere might not be as stable as forecast.

In the evening, cloudy spells, sometimes dense.
Light showers. WNW wind force 3. Gusts reaching 14 knots in the evening. Smooth to slight sea. Low, short swell from WSW. Good visibility.

Tides at Le Croizic

78

Low tide 02h39 1.13m

High tide 08h07 4.92m

74

Low tide 14h47 1.29m

High tide 20h22 5.04m

www.shom.fr - © SHOM 2025

Consult the tides for July

Tue

29

-

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

Wed

30

-

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

Thu

31

-

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

Fri

01

-

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

Sat

02

-

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

Sun

03

-

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

Mon

04

-

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

Tue

05

-

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

Wed

06

-

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

Thu

07

-

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

Fri

08

-

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

Sat

09

-

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

Sun

10

-

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

Mon

11

-

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

Tue

12

-

- 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 beach Crique du Grand Mathieu

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Le Croizic