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

21

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

Sat

22

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

Sun

23

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

Mon

24

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

Tue

25

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

Wed

26

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

Thu

27

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

Fri

28

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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

Mon

03

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

Tue

04

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

Wed

05

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

Thu

06

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

Fri

07

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

BULLETIN

(established in local time)

Reliability 90%

Wind alert - Warning fresh gale offshore.

Friday 21 february

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

20

10

0

60

50

40

30

20

10

20

15

10

5

0

40

30

20

10

0

10

5

0

5

0

3

0

15

10

5

60

55

50

45

40

Sat 22

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

165° S SSE
170° S S
170° S S
175° S S
175° S S
190° S S
195° S SSW
200° S SSW
200° S SSW
205° SW SSW
195° S SSW
190° S S
205° SW SSW
220° SW SW
225° SW SW
240° SW WSW
255° W WSW
265° W W
265° W W
270° W W
270° W W
265° W W
270° W W
265° W W

18 33 9 21 5
20 37 10 23 5
18 34 9 21 5
17 32 9 20 5
17 31 9 19 5
16 30 8 19 5
13 25 7 16 4
14 26 7 16 4
11 21 6 13 4
11 20 6 12 4
10 19 5 12 3
11 20 6 12 4
10 18 5 11 3
8 14 4 9 3
7 13 4 8 3
6 12 3 7 3
7 13 4 8 3
9 17 5 11 3
10 19 5 12 3
10 18 5 11 3
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 18 5 11 3

26 49 14 30 6
29 53 15 33 7
29 53 15 33 7
29 54 15 34 7
29 53 15 33 7
27 50 14 31 7
27 50 14 31 7
25 46 13 29 6
23 42 12 26 6
20 37 10 23 5
18 33 9 21 5
17 32 9 20 5
18 33 9 21 5
15 27 8 17 4
11 21 6 13 4
12 22 6 14 4
12 22 6 14 4
15 27 8 17 4
15 28 8 17 4
15 28 8 17 4
15 27 8 17 4
16 29 8 18 5
16 29 8 18 5
15 27 8 17 4

2.8
3.1
3.3
3.4
3.5
3.6
3.6
3.6
3.6
3.6
3.5
3.8
3.7
3.6
3.5
3.4
3.2
3.2
3.1
3
3
2.8
2.8
2.8

5.1
5.6
5.9
6.1
6.3
6.5
6.5
6.5
6.5
6.5
6.3
6.9
6.6
6.4
6.2
6.1
5.8
5.7
5.6
5.4
5.3
5.1
5.1
5

1.3
1.5
1.5
1
0.6
0.3
0.8
0.7
0.8
0.7
0.6
0.2
0
0
0
0
0
0
0
0
0
0
0
0

250° W WSW
255° W WSW
260° W W
250° W WSW
245° SW WSW
235° SW SW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW WSW
235° SW WSW

2.4
2.5
2.5
2.9
3.2
3.6
3.5
3.5
3.5
3.5
3.4
3.8
3.7
3.6
3.5
3.4
3.2
3.2
3.1
3.0
3.0
2.8
2.8
2.8

13
13
13
13
13
13
14
14
14
14
14
13
13
13
13
13
13
13
13
13
13
13
13
13

270
280
280
290
300
310
310
310
320
330
330
260
270
270
280
280
280
280
280
280
280
280
280
280

3.7
3.5
3.2
2.9
2.7
2.5
2.5
2.7
2.9
3.3
3.5
3.7
3.7
3.6
3.4
3.1
2.8
2.6
2.5
2.6
2.7
3.0
3.3
3.5

9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
80
65
60
80
50

0.5
0
0
0.5
0.6
0.7
0.7
1.1
1.7
0.7
0.6
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0

-
-
-
-
-
-

100
0
30
60
70
80
85
95
100
90
80
70
55
40
20
20
25
25
20
0
0
0
0
0

>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
5
4
3
4
>20
>20
>20
>20
>20
>20
>20

1010
1010
1010
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1010
1010
1011
1011
1012
1014
1015
1016

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

12 54
13 55
13 55
13 55
13 55
13 55
12 54
12 53
12 53
11 52
11 52
11 52
11 52
11 51
11 51
10 51
10 50
10 50
10 50
10 50
10 49
10 49
10 50
11 51

6 44
8 46
7 45
8 46
8 46
8 46
8 46
7 45
8 46
8 46
7 45
7 45
7 45
8 46
8 46
8 46
8 46
7 44
6 43
6 43
6 43
6 43
7 44
8 46

22 40 6 11 25
21 38 5 11 24
20 37 5 10 23
20 37 5 10 23
19 36 5 10 22
19 35 5 10 22
19 36 5 10 22
18 33 5 9 21
15 28 4 8 17
14 26 4 7 16
12 22 4 6 14
11 20 4 6 12
9 16 3 4 10
8 14 3 4 9
7 13 3 4 8
8 14 3 4 9
9 16 3 4 10
10 19 3 5 12
11 21 4 6 13
11 21 4 6 13
11 21 4 6 13
12 22 4 6 14
12 23 4 6 14
10 19 3 5 12

3.4
3.5
3.6
3.6
3.6
3.7
3.8
3.8
3.8
3.8
3.7
3.5
3.4
3.3
3.2
3.2
3.1
3
3
2.9
2.8
2.7
2.7
2.6

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

Expert opinion

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

For L"Ile de Groix-Les Grands Sables :
Warning fresh gale offshore.

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

Overcast skies. Rain remaining light. In the evening, overcast skies.
Rain followed by showers. SSE force 5 in the morning turning SSW force 4 in the evening. Gusts reaching 29 knots in the middle of the day. Rough sea becoming rough to very rough in the middle of the day. Moderate, long swell from WSW. Excellent visibility becoming excellent in the evening.

Tides at Port-Tudy

32

Low tide 03h57 2.37m

High tide 09h41 3.82m

28

Low tide 16h27 2.51m

High tide 22h45 3.75m

www.shom.fr - © SHOM 2025

Consult the tides for February

Fri

21

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

Sat

22

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

Sun

23

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

Mon

24

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

Tue

25

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

Wed

26

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

Thu

27

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

Fri

28

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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

Mon

03

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

Tue

04

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

Wed

05

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

Thu

06

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

Fri

07

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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 beach L'Ile de Groix-Les Grands Sables

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Port-Tudy