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

Mon

31

-

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

Tue

01

-

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

Wed

02

-

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

Thu

03

-

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

Fri

04

-

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

Sat

05

-

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

Sun

06

-

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

Mon

07

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

Tue

08

-

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

Wed

09

-

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

Thu

10

-

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

Fri

11

-

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

Sat

12

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

Sun

13

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

Mon

14

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

BULLETIN

(established in local time)

Reliability 90%

Wind alert - Warning strong breeze offshore.

Monday 31 march

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)

25

20

15

10

5

50

40

30

20

10

15

10

5

0

30

20

10

0

10

5

0

1.5

1

0.5

3

0

20

15

10

5

0

70

60

50

40

30

Tue 1

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

50° NE NE
50° NE NE
50° NE NE
65° NE ENE
70° E ENE
70° E ENE
75° E ENE
80° E ENE
90° E E
95° E E
90° E E
90° E E
85° E E
80° E E
75° E ENE
70° E ENE
70° E ENE
70° E ENE
75° E ENE
80° E E
80° E E
80° E E
80° E E
80° E ENE

5 10 3 6 2
5 10 3 6 2
8 14 4 9 3
7 13 4 8 3
8 14 4 9 3
7 13 4 8 3
7 13 4 8 3
8 14 4 9 3
6 11 3 7 2
6 12 3 7 3
7 13 4 8 3
8 15 4 9 3
9 17 5 11 3
11 20 6 12 4
11 21 6 13 4
10 19 5 12 3
11 20 6 12 4
11 21 6 13 4
12 22 6 14 4
13 24 7 15 4
13 25 7 16 4
13 25 7 16 4
14 26 7 16 4
14 26 7 16 4

8 15 4 9 3
8 15 4 9 3
11 20 6 12 4
10 18 5 11 -
11 21 6 13 4
11 20 6 12 4
11 21 6 13 4
12 23 6 14 4
11 20 6 12 4
11 21 6 13 4
12 22 6 14 4
12 23 6 14 4
13 25 7 16 4
15 28 8 17 -
17 31 9 19 5
17 31 9 19 5
17 32 9 20 5
18 34 9 21 5
20 37 10 23 5
21 39 11 24 6
22 41 11 25 6
23 42 12 26 6
23 42 12 26 6
23 42 12 26 6

0.7
0.7
0.6
0.6
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
0.7
0.8
0.8
0.9
1
1

1.4
1.4
1.3
1.3
1.3
1.2
1.2
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.4
1.4
1.4
1.5
1.5
1.6
1.8
1.9
1.9

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

240° SW WSW
240° SW WSW
245° SW WSW
245° SW WSW
240° SW WSW
240° SW WSW
245° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
245° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
260° W W
260° W W
260° W W
255° W WSW
255° W WSW
250° W WSW

0.7
0.7
0.6
0.6
0.6
0.6
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
0.7
0.7
0.8
0.8

8
8
8
9
9
9
9
9
9
9
9
10
11
12
12
14
14
13
11
11
11
12
12
11

120
120
130
130
140
140
150
140
140
140
200
280
330
330
330
330
330
330
150
140
130
120
120
120

4.9
5.8
6.0
5.4
4.4
3.0
1.7
0.7
0.2
0.4
1.4
2.9
4.3
5.4
5.8
5.4
4.5
3.3
2.1
1.0
0.4
0.3
1.0
2.3

11 52
11 51
11 51
11 51
11 51
11 51
11 51
11 52
11 52
11 52
11 52
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
11 53
11 53
11 52
11 52
11 52

0
45
30
75
75
75
70
10
5
0
0
10
15
10
5
5
5
5
5
5
0
0
5
5

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

5
5
15
5
10
10
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1023
1023
1022
1022
1022
1022
1022
1021
1021
1020
1020

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

7 44
6 42
6 42
6 42
6 43
7 45
10 49
12 53
13 56
15 59
16 60
16 61
16 61
16 61
16 60
15 58
13 56
12 54
11 52
10 51
10 49
9 48
9 47
8 47

5 41
4 38
3 37
3 38
4 39
7 44
10 51
14 57
17 63
19 66
19 67
19 67
18 64
16 61
14 57
12 53
9 49
8 47
7 45
6 43
5 41
4 40
4 39
3 38

8 14 3 4 9
9 16 3 4 10
9 17 3 5 11
10 18 3 5 11
11 21 4 6 13
11 20 4 6 12
11 20 4 6 12
10 19 3 5 12
8 15 3 4 9
8 14 3 4 9
6 12 3 3 7
5 10 2 3 6
4 7 2 2 4
5 9 2 3 6
10 18 3 5 11
13 25 4 7 16
13 25 4 7 16
15 28 4 8 17
17 32 5 9 20
18 34 5 9 21
19 36 5 10 22
21 38 5 11 24
21 39 6 11 24
22 40 6 11 25

0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.7
0.8
0.7
0.8
0.9
1.1
1.2
1.3

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

Expert opinion

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

For Crique du Grand Mathieu :
Warning strong breeze offshore.

The reliability of the situation is assessed at 90%.

Sun but cloud increasing in the morning, sunny in the afternoon. No precipitation. In the evening, skies with few clouds.
ENE force 3 in the morning becoming force 4 in the evening. Gusts reaching 20 knots in the evening. Slight sea. Low, fairly long swell from WSW. Poor visibility becoming excellent in the middle of the day.

Tides at Le Croizic

114

Low tide 00h55 0.16m

High tide 06h38 6.02m

111

Low tide 13h16 0.22m

High tide 18h54 5.76m

www.shom.fr - © SHOM 2025

Consult the tides for March

Mon

31

-

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

Tue

01

-

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

Wed

02

-

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

Thu

03

-

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

Fri

04

-

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

Sat

05

-

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

Sun

06

-

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

Mon

07

-

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

Tue

08

-

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

Wed

09

-

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

Thu

10

-

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

Fri

11

-

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

Sat

12

-

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

Sun

13

-

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

Mon

14

-

- 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