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

Groix (56590)Lon : -3°28’,0002 W Lat : 47°37’,998 N Alt : 0m

Wed

28

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Thu

29

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Fri

30

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Sat

31

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Sun

01

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Mon

02

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Tue

03

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Wed

04

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Thu

05

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Fri

06

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Sat

07

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Sun

08

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Mon

09

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Tue

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Wed

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BULLETIN

(* established in local time)

Reliability 85%

Wind alert - Warning moderate gale offshore.

Wednesday 28 jan

METEO CONSULT Run : 28/01 00Z Mesh : 1km Updated, 3h ago Update in 3h

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell (m) (m)

Total sea (m)

Wind (m)

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)

30

20

10

0

50

40

30

20

10

15

10

5

0

40

30

20

10

0

10

5

0

3.5

3

2.5

2

3

0

15

10

5

0

55

50

45

40

35

                                    
                                                                         Thu 29
                                                            
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                        Run : 28/01 00Z
                Mesh : 1km
                Updated, 3h ago
                Update in 3h

Thu 29

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

155° SE SSE
160° S SSE
160° S SSE
160° S SSE
160° S SSE
155° SE SSE
165° S SSE
185° S S
170° S S
180° S S
175° S S
180° S S
180° S S
180° S S
175° S S
175° S S
160° S SSE
160° S SSE
150° SE SSE
165° S SSE
165° S SSE
165° S SSE
160° S SSE
160° S SSE

13 25 7 16 4
13 25 7 16 4
14 26 7 16 4
15 28 8 17 4
16 29 8 18 5
16 30 8 19 5
16 29 8 18 5
14 26 7 16 4
14 26 7 16 4
13 24 7 15 4
12 22 6 14 4
9 17 5 11 3
8 15 4 9 3
8 14 4 9 3
9 16 4 10 3
7 13 4 8 3
6 11 3 7 2
8 14 4 9 3
9 17 5 11 3
10 19 5 12 3
13 24 7 15 4
13 24 7 15 4
14 26 7 16 4
14 26 7 16 4

19 35 10 22 5
20 37 10 23 5
21 38 11 24 5
22 41 11 25 6
23 43 12 27 6
26 48 13 30 6
26 48 13 30 6
25 47 13 29 6
24 44 12 27 6
22 40 11 25 6
20 37 10 23 5
19 35 10 22 5
17 31 9 19 5
13 25 7 16 4
15 27 8 17 4
14 26 7 16 4
14 26 7 16 4
12 23 6 14 4
14 26 7 16 4
17 31 9 19 5
21 38 11 24 5
22 40 11 25 6
23 42 12 26 6
21 39 11 24 6

2.6
2.6
2.7
2.7
2.7
2.8
2.8
2.8
2.8
2.8
2.7
2.6
2.6
2.8
3
3
3
2.9
2.8
2.7
2.7
2.5
2.6
2.7

0.5
0.4
0.4
0.5
0.8
0.6
0.7
0.5
0.8
0.5
0.3
0.7
0.3
0.2
1
0.9
0.7
0.6
0.6
0.8
1
1
1
1

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
265° W W
240° SW WSW
240° SW WSW
265° W W
255° W WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
265° W W
240° SW WSW
245° SW WSW
250° W WSW

2.5
2.5
2.7
2.7
2.5
2.7
2.6
2.8
2.7
2.7
2.7
2.4
2.6
2.8
2.4
2.6
2.8
2.7
2.6
2.6
2.3
2.3
2.2
2.2

15
15
14
14
14
14
14
14
14
14
14
14
14
14
14
14
13
13
13
13
13
13
12
11

370
370
360
350
340
340
340
330
330
320
320
330
330
330
330
320
310
300
290
280
270
250
240
240

2.8
2.4
2.1
2.1
2.3
2.7
3.2
3.7
4.1
4.3
4.2
3.8
3.2
2.6
2.2
1.9
2.0
2.3
2.8
3.4
3.9
4.2
4.3
4.1

10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49

0
80
95
95
100
90
95
90
85
85
65
55
80
85
55
90
70
85
100
100
100
100
100
100

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.5
0.5
0.5
0.4

-
-
-
-
-

0
0
0
0
0
20
20
40
40
40
25
25
30
25
25
25
40
35
45
55
75
80
80
85

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
10
10
>20
>20
>20
>20
>20
>20
>20

993
994
994
994
994
994
994
994
994
994
994
994
994
994
994
994
994
994
994
994
993
993
992
991

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

10 50
10 49
9 48
9 47
8 47
9 47
8 46
8 47
8 46
8 46
8 47
8 46
7 45
8 46
7 45
8 46
7 45
7 45
8 46
9 47
9 49
10 49
10 49
10 50

7 45
5 41
4 39
4 38
3 38
3 37
3 37
4 38
3 38
4 38
4 39
5 40
4 40
5 41
4 40
5 41
5 42
5 40
5 41
5 41
5 42
6 43
6 42
6 42

17 31 5 9 19
17 32 5 9 20
17 32 5 9 20
18 34 5 9 21
19 35 5 10 22
20 37 5 10 23
19 35 5 10 22
17 31 5 9 19
15 28 4 8 17
13 25 4 7 16
11 21 4 6 13
11 20 4 6 12
10 18 3 5 11
10 18 3 5 11
9 16 3 4 10
8 15 3 4 9
8 15 3 4 9
10 19 3 5 12
11 20 4 6 12
13 24 4 7 15
16 29 5 8 18
16 29 5 8 18
16 30 5 8 19
15 27 4 8 17

3.1
3.1
3.1
3.1
3.1
3.2
3.2
3.2
3.2
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3
3
3
3
3
3.1
3.1
3

Forecasts established in local time
Last updated 29min ago | Next update in 3h
Caption

Expert opinion

A southeasterly, strong and mostly variable flow prevails over the North and the East of the basin. Over the South-West, it is westerly, very strong and variable.

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

The reliability of the situation is assessed at 85%.

Lots of good clear periods. No precipitation. In the evening, very cloudy.
Risk of showers in the early hours. SSE force 4 in the middle of the day becoming force 5 in the evening. Gusts reaching 26 knots in the evening. Rough sea. Moderate, long swell from WSW. Excellent visibility.

Tides at Port-Tudy

47

Low tide 05h52 2.04m

High tide 12h28 4.2m

Low tide 18h28 2.05m

www.shom.fr - © SHOM 2026

Consult the tides for January

Go further

Wed

28

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

Thu

29

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

Fri

30

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

Sat

31

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

Sun

01

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

Mon

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Tue

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Wed

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Thu

05

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Fri

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Sat

07

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Sun

08

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Mon

09

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Tue

10

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

Wed

11

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* +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

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