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

Batz-sur-Mer FRALongitude : -2°28’,68 W Latitude : 47°16’,32 N Altitude : 0m

Sun

19

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

Mon

20

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

Tue

21

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

Wed

22

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

Thu

23

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Fri

24

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

Sat

25

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Sun

26

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

Mon

27

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

Tue

28

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

Wed

29

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

Thu

30

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

Fri

31

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Sat

01

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Sun

02

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BULLETIN

(established in local time)

Reliability 85%

Wind alert - Warning strong breeze.

Sunday 19 october

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Under storms

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

40

30

20

10

70

60

50

40

30

20

15

10

5

50

40

30

20

10

5

0

5

0

9

6

3

0

20

15

10

5

65

60

55

50

45

Mon 20

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

155° SE SSE
155° SE SSE
145° SE SSE
160° S SSE
170° S S
165° S SSE
180° S S
190° S SSW
200° S SSW
210° SW SSW
215° SW SW
230° SW SW
240° SW WSW
245° SW WSW
245° SW WSW
235° SW SW
225° SW SW
225° SW SW
225° SW SW
225° SW SW
235° SW SW
240° SW WSW
235° SW SW
235° SW SW

15 27 8 17 4
15 28 8 17 4
18 34 9 21 5
16 30 8 19 5
17 31 9 19 5
17 31 9 19 5
18 33 9 21 5
22 40 11 25 6
24 45 13 28 6
25 46 13 29 6
23 42 12 26 6
19 36 10 22 5
15 28 8 17 4
16 29 8 18 5
16 30 8 19 5
16 29 8 18 5
17 32 9 20 5
19 35 10 22 5
21 38 11 24 5
22 41 11 25 6
21 39 11 24 6
21 39 11 24 6
21 38 11 24 5
22 40 11 25 6

23 42 12 26 6
24 45 13 28 6
27 50 14 31 7
27 50 14 31 7
24 44 12 27 6
24 45 13 28 6
28 52 14 32 7
34 63 18 39 8
37 69 19 43 8
37 69 19 43 8
35 65 18 40 8
33 62 17 39 8
29 53 15 33 7
22 41 11 25 6
24 45 13 28 6
23 43 12 27 6
25 46 13 29 6
26 48 13 30 6
30 55 15 34 7
31 57 16 35 7
33 61 17 38 7
31 57 16 35 7
31 58 16 36 7
31 57 16 35 7

- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
>40 >75 >21 >45 >9
>50 >90 >26 >55 >10
>50 >95 >26 >55 >10
>45 >85 >24 >55 >9
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
>40 >75 >21 >45 >9
>40 >75 >22 >45 >9
>40 >75 >21 >45 >9
>35 >70 >19 >40 >8
- - - - -
- - - - -

0.8
0.8
0.8
0.9
1
1.1
1.2
1.4
1.8
2
2.1
2
1.9
1.8
1.8
1.8
1.8
1.9
1.9
2
2.1
2.1
2.5
2.6

1.6
1.5
1.6
1.7
1.9
2
2.2
2.6
3.2
3.6
3.7
3.6
3.4
3.3
3.2
3.2
3.3
3.4
3.5
3.6
3.7
3.8
4.5
4.6

0.4
0.3
0.4
0.6
0.8
0.9
1
1.3
1.7
1.9
2.1
1.7
1
1.1
1.1
1.2
1.2
1.4
1.6
1.7
1.9
2
2.5
2.6

235° SW SW
235° SW SW
235° SW SW
235° SW WSW
245° SW WSW
240° SW WSW
285° W WNW
290° W WNW
285° W WNW
285° W WNW
285° W WNW
280° W W
220° SW SW
215° SW SW
215° SW SW
270° W W
270° W W
270° W W
270° W W
275° W W
275° W W
270° W W
250° W WSW
250° W WSW

0.7
0.7
0.7
0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.2
1.0
1.5
1.3
1.2
1.1
1.1
1.0
0.9
0.9
0.8
0.8
<0.1
<0.1

9
9
9
10
10
9
7
7
8
8
8
8
7
7
7
8
9
8
8
8
8
8
10
10

140
140
130
120
45
45
45
45
50
60
70
80
100
110
120
120
110
100
90
90
90
90
70
80

3.3
2.4
1.7
1.3
1.4
1.9
2.8
3.8
4.6
5.1
5.1
4.6
3.7
2.7
1.9
1.3
1.1
1.5
2.4
3.4
4.4
5.0
5.1
4.6

16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61

100
100
100
100
100
100
100
100
100
100
100
100
90
75
75
80
25
75
65
95
85
70
70
85

0.8
0.4
0.2
0.2
0.2
0.8
1.8
2.2
1.6
1
0.7
1
0.6
0
0
0
0
0
0
0.8
0.4
0.3
0
0

-
-
-
-

100
100
50
60
75
75
90
90
80
65
65
65
50
20
0
0
0
0
40
75
65
50
25
30

>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1010
1008
1009
1008
1008
1007
1006
1005
1004
1003
1003
1003
1003
1004
1004
1003
1003
1003
1002
1002
1001
1001
1000
1000

0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

15 60
16 60
17 62
16 61
17 62
17 62
17 62
17 62
17 62
17 63
17 63
17 62
17 62
17 62
16 61
16 61
16 62
16 62
16 62
16 61
16 61
16 61
16 61
16 61

11 51
11 51
11 51
11 52
11 52
11 52
11 52
10 50
9 49
10 49
10 51
11 51
12 53
11 52
11 52
11 52
11 51
10 51
10 50
10 49
10 49
10 49
10 49
10 49

Forecasts established in local time
Last updated 36min ago | Next update in 3h
Caption

Expert opinion

For Crique du Grand Mathieu :
Warning strong breeze.

We are 85% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.

Overcast skies. Light rain followed by showers in the morning, showers in the afternoon. In the evening, very cloudy with risk of storms.
Showers becoming less frequent. SSE force 5 turning SSW force 6 in the middle of the day then WSW force 5. Gusts reaching 37 knots in the middle of the day. Slight sea becoming moderate in the middle of the day. Low, fairly long swell from WSW. Excellent visibility.

Tides at Le Croisic

76

High tide 04h09 4.92m

Low tide 10h25 1.26m

79

High tide 16h24 5.14m

Low tide 22h50 1.11m

www.shom.fr - © SHOM 2025

Consult the tides for October

Sun

19

-

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

Mon

20

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

Tue

21

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

Wed

22

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

Thu

23

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

Fri

24

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

Sat

25

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

Sun

26

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

Mon

27

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

Tue

28

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

Wed

29

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

Thu

30

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

Fri

31

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

Sat

01

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

Sun

02

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- 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 cove Crique du Grand Mathieu

BULLETIN

Wind

Waves

Weather

Temperature

Expert opinion

Tides at Le Croisic