Weather L'Ile de Groix-Les Grands Sables - Detailed bulletin - Free 15-day Marine forecasts

Groix (56590)Longitude : -3°28’,0002 W Latitude : 47°37’,998 N Altitude : 0m

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

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

Thu

11

-

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

Fri

12

-

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

BULLETIN

(established in local time)

Reliability 90%

Wind alert - Warning strong breeze offshore.

Friday 28 november

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)

30

25

20

15

10

60

50

40

30

20

10

15

10

5

40

30

20

10

5

0

2

1.5

1

3

0

15

10

5

60

55

50

45

40

Sat 29

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

250° W WSW
250° W WSW
260° W W
255° W WSW
265° W W
265° W W
265° W W
270° W W
270° W W
275° W W
270° W W
270° W W
265° W W
255° W WSW
250° W WSW
245° SW WSW
240° SW WSW
235° SW SW
230° SW SW
230° SW SW
225° SW SW
225° SW SW
225° SW SW
220° SW SW

14 26 7 16 4
13 24 7 15 4
10 19 5 12 3
11 20 6 12 4
12 22 6 14 4
11 21 6 13 4
14 26 7 16 4
15 28 8 17 4
15 28 8 17 4
15 27 8 17 4
13 25 7 16 4
13 24 7 15 4
12 23 6 14 4
12 23 6 14 4
12 23 6 14 4
13 25 7 16 4
13 25 7 16 4
15 28 8 17 4
15 28 8 17 4
17 31 9 19 5
18 33 9 21 5
18 34 9 21 5
19 36 10 22 5
19 36 10 22 5

24 45 13 28 6
22 40 11 25 6
15 28 8 17 4
16 30 8 19 5
17 31 9 19 5
16 30 8 19 5
20 37 10 23 5
21 39 11 24 6
21 38 11 24 5
20 37 10 23 5
19 36 10 22 5
18 33 9 21 5
17 32 9 20 5
17 31 9 19 5
17 32 9 20 5
18 33 9 21 5
18 33 9 21 5
20 37 10 23 5
21 38 11 24 5
23 42 12 26 6
24 45 13 28 6
25 46 13 29 6
26 48 13 30 6
27 50 14 31 7

1.5
1.4
1.4
1.4
1.5
1.5
1.6
1.6
1.7
1.7
1.8
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.8
1.8
1.9
1.9

2.7
2.6
2.6
2.6
2.7
2.7
2.9
3
3.1
3.1
3.2
3.1
3.1
3
3
3
3
3
3
3.1
3.2
3.3
3.4
3.4

0.2
0.2
0.2
0.3
0.3
0.3
0.3
0.6
0.6
0.7
0.7
0.5
0.4
0.4
0.4
0.6
0.5
0.6
0.7
0.8
1
1.1
1.2
1.3

240° 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
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW

1.5
1.4
1.4
1.4
1.4
1.5
1.5
1.5
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.5
1.5
1.5
1.5
1.5
1.4

7
7
8
9
10
10
11
12
11
12
11
11
11
11
11
11
11
11
11
11
11
11
10
10

70
90
100
130
150
170
180
180
180
170
170
170
180
170
170
160
160
160
150
140
130
120
110
110

3.4
3.8
4.2
4.3
4.2
3.8
3.3
2.8
2.4
2.2
2.2
2.4
2.8
3.3
3.7
4.0
4.1
3.9
3.5
3.1
2.7
2.4
2.3
2.4

14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57

100
100
100
100
100
95
95
50
35
35
70
35
35
40
35
50
45
65
90
75
90
75
100
100

1.6
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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

100
100
0
40
25
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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

1017
1017
1017
1017
1017
1018
1017
1017
1017
1016
1017
1017
1017
1017
1016
1016
1016
1015
1014
1013
1013
1012
1011
1010

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

13 56
13 55
12 53
12 54
13 55
13 56
14 56
14 56
14 56
13 56
12 53
11 52
10 51
10 51
10 51
11 51
11 52
11 53
12 53
12 53
12 54
12 54
12 54
12 54

9 47
9 47
8 47
8 47
9 47
11 51
10 49
10 51
10 51
9 49
8 46
7 44
6 43
6 43
6 43
6 43
7 44
6 43
6 44
6 43
6 43
6 43
6 43
6 43

12 22 4 6 14
12 23 4 6 14
12 23 4 6 14
13 25 4 7 16
13 24 4 7 15
14 26 4 7 16
17 32 5 9 20
17 32 5 9 20
17 31 5 9 19
16 30 5 8 19
15 28 4 8 17
15 27 4 8 17
15 28 4 8 17
15 27 4 8 17
15 28 4 8 17
16 30 5 8 19
17 31 5 9 19
18 34 5 9 21
19 36 5 10 22
21 38 5 11 24
22 41 6 11 25
22 41 6 11 25
22 41 6 11 25
23 43 6 12 27

1.6
1.6
1.6
1.6
1.7
1.7
1.8
1.9
1.9
2
1.9
1.9
1.9
1.9
1.9
1.9
1.9
1.9
1.9
2
2
2.1
2.1
2.2

Forecasts established in local time
Last updated 57min ago | Next update in 3h
Caption

Expert opinion

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

For L"Ile de Groix-Les Grands Sables :
Warning strong breeze offshore.

We are 90% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will end.

Overcast in the morning, increasing sunny spells in the afternoon. Rain gradually becoming less frequent in the morning, no precipitation in the afternoon. In the evening, cloud and long sunny periods.
No precipitation. W wind force 4 continuing all day. Gusts reaching 25 knots in the morning. Moderate sea. Moderate, short swell from WSW. Poor visibility becoming excellent in the middle of the day.

Tides at Port-Tudy

43

Low tide 03h45 2.31m

High tide 10h04 4.3m

43

Low tide 16h21 2.15m

High tide 22h47 4.06m

www.shom.fr - © SHOM 2025

Consult the tides for November

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

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

Thu

11

-

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

Fri

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 L'Ile de Groix-Les Grands Sables

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Port-Tudy