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

Sat

19

-

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

Sun

20

-

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

Mon

21

-

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

Tue

22

-

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

Wed

23

-

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

Thu

24

-

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

Fri

25

-

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

Sat

26

-

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

Sun

27

-

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

Mon

28

-

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

Tue

29

-

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

Wed

30

-

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

Thu

01

-

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

Fri

02

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

Sat

03

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

BULLETIN

(established in local time)

Reliability 85%

No gale warning.

Saturday 19 april

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

50

40

30

20

10

0

15

10

5

0

30

20

10

0

10

5

0

1.5

1

3

0

20

15

10

5

0

70

60

50

40

Sun 20

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

240° SW WSW
230° SW SW
230° SW SW
215° SW SW
230° SW SW
235° SW SW
235° SW SW
265° W W
280° W W
295° NW WNW
295° NW WNW
305° NW NW
330° NW NNW
355° N N
350° N N
345° N NNW
345° N NNW
345° N NNW
350° N N
350° N N
350° N N
355° N N
350° N N
355° N N

6 12 3 7 3
5 10 3 6 2
3 5 1 3 1
3 6 2 4 2
4 7 2 4 2
5 10 3 6 2
4 8 2 5 2
6 11 3 7 2
7 13 4 8 3
9 17 5 11 3
11 21 6 13 4
11 20 6 12 4
9 17 5 11 3
10 19 5 12 3
11 21 6 13 4
11 21 6 13 4
12 23 6 14 4
13 25 7 16 4
14 26 7 16 4
15 27 8 17 4
16 29 8 18 5
16 29 8 18 5
15 28 8 17 4
15 27 8 17 4

13 24 7 15 4
11 20 6 12 4
9 16 4 10 3
6 11 3 7 -
5 10 3 6 -
8 14 4 9 3
7 13 4 8 3
9 17 5 11 3
9 17 5 11 -
13 24 7 15 4
16 29 8 18 5
16 30 8 19 5
17 31 9 19 5
19 35 10 22 5
19 35 10 22 5
20 37 10 23 5
20 37 10 23 5
21 39 11 24 6
22 41 11 25 6
23 42 12 26 6
24 44 12 27 6
24 44 12 27 6
24 45 13 28 6
23 43 12 27 6

1.3
1.3
1.2
1.2
1.2
1.2
1.2
1.3
1.4
1.4
1.4
1.4
1.4
1.3
1.3
1.2
1.2
1.2
1.2
1.2
1.4
1.4
1.4
1.4

2.4
2.4
2.3
2.2
2.2
2.2
2.3
2.4
2.5
2.6
2.6
2.6
2.5
2.5
2.4
2.3
2.2
2.2
2.2
2.2
2.5
2.6
2.6
2.5

0.1
0.2
0.1
0.1
0.1
0.1
0.3
0.4
0.4
0.5
0.3
0.2
0.3
0.2
0.2
0.2
0.2
0.2
0.2
0.3
0.4
0.5
0.5
0.5

225° SW SW
225° SW SW
230° SW SW
230° SW SW
230° SW SW
235° SW SW
230° SW SW
225° SW SW
230° SW SW
235° SW SW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
245° SW WSW
245° SW WSW

1.3
1.3
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.3
1.4
1.4
1.4
1.3
1.3
1.2
1.2
1.1
1.1
1.1
1.3
1.3
1.3
1.3

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

90
90
100
100
110
110
120
210
210
210
210
210
200
200
200
200
200
190
180
180
110
110
100
100

4.1
4.0
3.6
3.2
2.7
2.4
2.2
2.2
2.5
3.0
3.5
3.9
4.1
4.1
3.8
3.4
3.0
2.5
2.2
2.2
2.3
2.6
3.1
3.5

12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
13 55
13 55
13 55
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54

65
45
40
60
75
80
90
100
100
100
100
100
100
100
100
100
100
100
100
100
95
100
100
90

0.3
0
0
0
0
0
0
0
0
0
0
0.8
0.8
0.9
0.8
0.6
0.3
0.2
0
0
0
0
0
0

-
-
-
-
-
-
-
-

100
0
0
0
0
0
0
0
0
20
40
65
75
70
65
75
70
55
35
25
25
25
20
30

10
15
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1000
1000
1001
1001
1001
1002
1002
1002
1001
1001
1001
1001
1001
1001
1001
1001
1000
1000
1000
1000
999
999
999
1000

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

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

10 50
12 54
15 59
16 60
17 62
16 60
17 62
13 55
12 53
11 51
10 49
9 48
9 49
9 48
8 47
8 46
8 46
7 45
7 44
6 43
6 43
6 42
5 42
6 43

12 22 4 6 14
9 17 3 5 11
3 6 2 2 4
3 5 1 1 3
3 5 1 1 3
3 6 2 2 4
3 5 1 1 3
5 9 2 3 6
6 12 3 3 7
9 16 3 4 10
12 23 4 6 14
13 24 4 7 15
12 23 4 6 14
13 25 4 7 16
15 27 4 8 17
17 31 5 9 19
16 30 5 8 19
18 33 5 9 21
18 34 5 9 21
18 34 5 9 21
19 36 5 10 22
19 35 5 10 22
21 38 5 11 24
19 35 5 10 22

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

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

Expert opinion

Low 995 hPa centered at 210 nautical miles in the South-South-West of Fastnet Rock (South-West Ireland) moving at 18 knots to the East and rising to 998 hPa to be centered on the center of France.

For L"Ile de Groix-Les Grands Sables :
No gale warning.

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

Bright spells increasing during the morning, very cloudy skies becoming totally covered in the afternoon. Light rain followed by showers in the morning, no precipitation in the afternoon. In the evening, overcast skies.
Light rain followed by showers. WSW force 3 in the morning turning NW force 4 in the evening. Gusts reaching 19 knots in the evening. Slight sea. Low, short swell from SW. Good visibility becoming excellent in the middle of the day.

Tides at Port-Tudy

49

Low tide 03h04 1.94m

High tide 08h45 4.13m

44

Low tide 15h20 2.18m

High tide 21h17 4.15m

www.shom.fr - © SHOM 2025

Consult the tides for April

Sat

19

-

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

Sun

20

-

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

Mon

21

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

Tue

22

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

Wed

23

-

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

Thu

24

-

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

Fri

25

-

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

Sat

26

-

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

Sun

27

-

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

Mon

28

-

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

Tue

29

-

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

Wed

30

-

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

Thu

01

-

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

Fri

02

-

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

Sat

03

-

- 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