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

Locmaria (56360)Lon : -3°6’,1248 W Lat : 47°18’,978 N Alt : 0m

Weather Risk Briefing

Thu

20

-

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

Fri

21

-

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

Sat

22

-

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

Sun

23

-

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

Mon

24

-

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

Tue

25

-

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

Wed

26

-

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

Thu

27

-

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

Fri

28

-

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

Sat

29

-

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

Sun

30

-

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

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

BULLETIN

Reliability 80%

No gale warning.

No weather risk at the spot

Thursday 20 aug

METEO CONSULT Run : 20/08 12Z Mesh : 1km Updated, 3h ago Update imminent

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell (m) (m)

legend.title.wave_height

Total sea (m)

legend.title.wind_sea

Wind (m)

legend.title.swell

Swell direction

Swell height (m)

Swell period (s)

Wave length (m)

High tide (m)

Sea temp

Weather

Rain (mm) (mm)

Clouds:

Cloud cover (%)

Precipitation:

Amount of precipitation (mm)

Type of precipitation

Risks:

Precipitation risk (%)

Storm risk. (%)

Brightness:

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

25

20

15

10

5

10

5

0

1

0.5

0

3

0

30

25

20

15

10

80

70

60

50

                                    
                                                                         Fri 21
                                                            
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                        Run : 20/08 12Z
                Mesh : 1km
                Updated, 3h ago
                Update imminent

Fri 21

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

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

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

22 40 11 25 6
21 38 11 24 5
19 35 10 22 5
18 33 9 21 5
16 29 8 18 5
15 27 8 17 4
15 27 8 17 4
13 25 7 16 4
12 23 6 14 4
12 23 6 14 4
12 23 6 14 4
12 22 6 14 4
11 20 6 12 4
12 23 6 14 4
13 24 7 15 4
13 24 7 15 4
13 25 7 16 4
13 25 7 16 4
16 29 8 18 5
18 34 9 21 5
19 36 10 22 5
21 39 11 24 6
22 41 11 25 6
20 37 10 23 5

0.6
0.6
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
0.3
0.3
0.3
0.3
0.4
0.4
0.5
0.5
0.5

0.4
0.4
0.4
0.3
0.3
0.3
0.3
0.2
0.2
0.2
0.2
0.1
0.1
0.1
0.1
0.1
0.2
0.1
0.2
0.2
0.3
0.4
0.4
0.4

320° NW NW
320° NW NW
315° NW NW
315° NW NW
315° NW NW
315° NW NW
315° NW NW
315° NW NW
320° NW NW
320° NW NW
325° NW NW
320° NW NW
320° NW NW
320° NW NW
320° NW NW
320° NW NW
315° NW NW
315° NW NW
315° NW NW
320° NW NW
320° NW NW
315° NW NW
320° NW NW
320° NW NW

0.3
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
0.3
0.3
0.3
0.3
0.3
0.2
0.3

6
5
5
5
6
6
6
6
7
7
8
8
8
8
8
8
8
8
8
8
8
6
8
5

60
60
60
60
80
100
100
100
110
110
110
110
110
110
110
110
100
100
100
90
90
50
25
25

3.0
3.4
3.7
3.7
3.6
3.3
3.0
2.7
2.4
2.3
2.2
2.4
2.8
3.1
3.5
3.7
3.7
3.5
3.3
3.0
2.6
2.4
2.3
2.3

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 67
19 67
19 67
19 67
19 67

10
35
100
50
55
75
70
65
40
50
45
30
15
25
50
50
50
50
10
10
10
5
10
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
25
25
25
25
0
0
0
0
0
0

0
0
0
0
0
0
0
0
0
0
0
0
0
0
20
20
20
10
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

1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1016

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
4
5
6
6
5
3
2
1

20 68
19 67
19 65
18 64
18 64
18 64
18 64
17 63
17 62
17 62
16 61
15 59
17 62
18 64
18 64
18 65
19 65
19 67
20 68
20 68
20 68
20 67
20 67
19 66

15 59
15 59
15 58
15 58
14 58
15 58
14 58
14 57
14 57
14 57
13 56
13 55
14 58
16 62
18 64
19 66
20 68
22 72
23 73
25 77
24 76
21 69
19 67
18 64

16 30 5 8 19
15 28 4 8 17
15 27 4 8 17
14 26 4 7 16
13 25 4 7 16
13 24 4 7 15
12 22 4 6 14
11 20 4 6 12
10 19 3 5 12
10 19 3 5 12
10 19 3 5 12
10 19 3 5 12
9 17 3 5 11
9 17 3 5 11
8 15 3 4 9
8 14 3 4 9
8 14 3 4 9
8 15 3 4 9
10 19 3 5 12
13 24 4 7 15
15 27 4 8 17
16 29 5 8 18
16 30 5 8 19
12 23 4 6 14

0.9
0.9
0.8
0.8
0.8
0.8
0.8
0.7
0.7
0.7
0.6
0.6
0.6
0.6
0.5
0.5
0.6
0.6
0.6
0.6
0.7
0.8
0.8
0.8

Forecasts established in local time
Caption Glossary

Expert opinion

Bulletin météo de la zone côtière de Lorient à St Nazaire

Weather Risk Briefing

A northerly, moderate and variable flow prevails over the West of the basin. Over the East, it is westerly, moderate and very variable.

For Les Grands Sables :
No gale warning.

We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.

In the evening, cloudy spells, sometimes dense.
No precipitation. WNW wind force 4. Gusts reaching 22 knots in the evening. Smooth to slight sea. Low, short swell from NW. Excellent visibility.

semaphore stations

Station Belle-île located 14 km from Les Grands Sables

	WIND			SWELL
Local time	Dir. (°)	Speed (nd)	Gust (nd)	Dir. (°)	Height (m)	Period (s)
20h	-	-	-	294	1.4	7
19h	-	-	-	290	1.4	8
18h	-	-	-	290	1.2	7

Nearby signal stations

CANDHIS

Signal station weather

Tides at Belle-Ile (Le Palais)

42

Low tide 04h37 1.94m

High tide 10h04 3.94m

36

Low tide 17h03 2.07m

High tide 22h28 3.73m

Consult the tides for August

Go further

Thu

20

-

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

Fri

21

-

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

Sat

22

-

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

Sun

23

-

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

Mon

24

-

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

Tue

25

-

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

Wed

26

-

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

Thu

27

-

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

Fri

28

-

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

Sat

29

-

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

Sun

30

-

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

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

Weather beach Les Grands Sables

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

semaphore stations

Tides at Belle-Ile (Le Palais)

Go further