Weather Les Grands Sables - Detailed bulletin - Free 15-day Marine forecasts

Locmaria (56360)Longitude : -3°6’,1248 W Latitude : 47°18’,978 N Altitude : 0m

Wed

27

-

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

Thu

28

-

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

Fri

29

-

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

Sat

30

-

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

Sun

31

-

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

Mon

01

-

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

Tue

02

-

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

Wed

03

-

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

Thu

04

-

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

Fri

05

-

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

Sat

06

-

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

Sun

07

-

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

Mon

08

-

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

Tue

09

-

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

Wed

10

-

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

BULLETIN

(established in local time)

Reliability 85%

No gale warning.

Wednesday 27 august

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

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

0.5

3

0

25

20

15

10

75

70

65

60

55

Thu 28

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

220° SW SW
215° SW SW
220° SW SW
220° SW SW
220° SW SW
225° SW SW
245° SW WSW
255° W WSW
270° W W
280° W WNW
290° W WNW
290° W WNW
280° W WNW
280° W W
275° W W
270° W W
260° W W
260° W W
260° W W
250° W WSW
250° W WSW
255° W WSW
255° W WSW
260° W W

13 24 7 15 4
16 29 8 18 5
16 29 8 18 5
16 29 8 18 5
15 28 8 17 4
13 25 7 16 4
11 21 6 13 4
11 20 6 12 4
10 18 5 11 3
9 17 5 11 3
9 16 4 10 3
8 15 4 9 3
8 14 4 9 3
7 13 4 8 3
8 14 4 9 3
8 15 4 9 3
9 16 4 10 3
9 17 5 11 3
11 20 6 12 4
9 17 5 11 3
11 21 6 13 4
12 23 6 14 4
15 27 8 17 4
15 28 8 17 4

19 35 10 22 5
23 42 12 26 6
23 42 12 26 6
24 44 12 27 6
23 43 12 27 6
23 43 12 27 6
22 40 11 25 6
19 36 10 22 5
17 32 9 20 5
15 28 8 17 4
14 26 7 16 4
13 24 7 15 4
12 23 6 14 4
12 22 6 14 4
11 21 6 13 4
12 22 6 14 4
13 25 7 16 4
14 26 7 16 4
16 29 8 18 5
15 28 8 17 4
17 32 9 20 5
20 37 10 23 5
22 40 11 25 6
23 43 12 27 6

- - - - -
- - - - -
- - - - -
- - - - -
>40 >75 >22 >45 >9
>35 >70 >20 >45 >8
>30 >55 >16 >35 >7
>25 >50 >14 >30 >7
>30 >55 >16 >35 >7
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
>25 >50 >14 >30 >7
>25 >50 >14 >30 >7
>25 >50 >14 >30 >7
>25 >50 >14 >30 >7

0.6
0.6
0.6
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.6
0.6

1.3
1.3
1.3
1.3
1.4
1.4
1.4
1.3
1.3
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
1.2

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

315° NW NW
315° NW NW
315° NW NW
315° NW NW
315° NW NW
315° NW NW
315° NW NW
315° NW NW
315° NW NW
315° NW NW
270° W W
270° W W
315° NW NW
320° NW NW
315° NW NW
320° NW NW
315° NW NW
315° NW NW
315° NW NW
270° W W
270° W W
270° W W
275° W W
275° W W

0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5

12
12
12
11
11
11
11
11
11
11
11
11
11
10
10
10
10
10
10
11
11
11
11
11

240
230
200
180
180
180
190
200
210
210
210
200
190
180
170
170
170
170
180
180
170
170
160
160

1.3
1.1
1.3
2.1
3.1
4.0
4.7
4.8
4.5
3.9
3.1
2.3
1.6
1.3
1.3
1.8
2.7
3.6
4.3
4.6
4.4
3.9
3.2
2.5

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
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66

90
100
95
50
75
95
95
85
90
40
25
15
25
25
35
45
25
60
25
70
90
70
65
85

0.1
0
0
0
0
0.9
0.8
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1

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

50
0
0
0
40
65
85
70
45
25
0
0
0
0
0
0
0
0
0
20
30
45
50
55

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

1008
1007
1007
1007
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008

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

20 67
20 69
20 68
20 69
20 68
19 67
18 65
18 65
18 64
18 64
17 63
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 63
17 63
18 64
18 64
18 64
18 64

17 62
20 68
21 70
21 69
20 68
17 62
14 58
15 58
15 58
14 58
14 57
14 57
14 57
14 57
14 57
14 57
14 56
13 56
13 56
14 57
15 58
15 59
16 60
17 62

15 27 4 8 17
17 31 5 9 19
16 30 5 8 19
17 31 5 9 19
17 31 5 9 19
13 25 4 7 16
11 21 4 6 13
12 22 4 6 14
13 24 4 7 15
13 25 4 7 16
14 26 4 7 16
12 22 4 6 14
11 20 4 6 12
9 17 3 5 11
10 19 3 5 12
11 20 4 6 12
11 21 4 6 13
11 20 4 6 12
13 24 4 7 15
11 20 4 6 12
12 23 4 6 14
13 24 4 7 15
16 29 5 8 18
17 31 5 9 19

1.3
1.3
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.1
1
1
1
0.9
0.9
0.9
1
1
1.1
1.1

Forecasts established in local time
Last updated 5min ago | Next update in 3h
Caption

Expert opinion

A westerly, strong and mostly variable flow prevails over the whole area.

For Les Grands Sables :
No gale warning.

The reliability of the situation is assessed at 85%.

Very cloudy. Light showers progressively becoming less frequent. In the evening, storms as night falls.
Showers with the possibility of hail. SW force 5 in the middle of the day turning W force 4 in the evening. Gusts reaching 24 knots in the middle of the day. Slight sea. Low, fairly long swell from NW. Excellent visibility.

Tides at Belle-Ile (Le Palais)

82

Low tide 01h56 0.96m

High tide 07h34 4.79m

78

Low tide 14h04 1.1m

High tide 19h44 4.81m

www.shom.fr - © SHOM 2025

Consult the tides for August

Wed

27

-

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

Thu

28

-

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

Fri

29

-

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

Sat

30

-

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

Sun

31

-

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

Mon

01

-

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

Tue

02

-

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

Wed

03

-

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

Thu

04

-

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

Fri

05

-

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

Sat

06

-

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

Sun

07

-

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

Mon

08

-

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

Tue

09

-

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

Wed

10

-

- 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 Les Grands Sables

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Belle-Ile (Le Palais)