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

Tue

31

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

Wed

01

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

Thu

02

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

Fri

03

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

Sat

04

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

Sun

05

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

Mon

06

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

Tue

07

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

Wed

08

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

Thu

09

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

Fri

10

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

Sat

11

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Sun

12

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Mon

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Tue

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BULLETIN

(* established in local time)

Reliability 90%

No gale warning.

Tuesday 31 mar

METEO CONSULT Run : 31/03 00Z Mesh : 1km Updated, 2h ago Update in 4h

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)

20

15

10

5

40

35

30

25

20

15

10

5

25

20

15

10

5

0

1.5

1

0.5

3

0

20

15

10

5

0

70

60

50

40

30

                                    
                                                                         Wed 1
                                                            
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                        Run : 31/03 00Z
                Mesh : 1km
                Updated, 2h ago
                Update in 4h

Wed 1

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

285° W WNW
290° W WNW
285° W WNW
300° NW WNW
315° NW NW
330° NW NNW
340° N NNW
340° N NNW
345° N NNW
350° N N
355° N N
350° N N
345° N NNW
340° N NNW
335° NW NNW
335° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
325° NW NW
325° NW NW
325° NW NW
325° NW NNW
320° NW NW

11 21 6 13 4
12 22 6 14 4
13 24 7 15 4
12 23 6 14 4
11 20 6 12 4
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 18 5 11 3
9 17 5 11 3
9 17 5 11 3
9 17 5 11 3
9 17 5 11 3
9 17 5 11 3
10 19 5 12 3
11 21 6 13 4
11 20 6 12 4
11 21 6 13 4
10 19 5 12 3
12 22 6 14 4
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3

17 32 9 20 5
18 33 9 21 5
19 35 10 22 5
18 34 9 21 5
18 33 9 21 5
17 31 9 19 5
15 28 8 17 4
15 28 8 17 4
15 28 8 17 4
15 27 8 17 4
15 27 8 17 4
13 25 7 16 4
13 25 7 16 4
13 25 7 16 4
13 25 7 16 4
15 28 8 17 4
17 31 9 19 5
18 33 9 21 5
17 32 9 20 5
17 32 9 20 5
18 33 9 21 5
17 32 9 20 5
16 30 8 19 5
17 31 9 19 5

1.3
1.2
1.2
1.2
1.1
1
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.8
0.7
0.7
0.6
0.6
0.7
0.7
0.8

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

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
255° W WSW
255° W WSW
255° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW

1.2
1.2
1.2
1.1
1.0
1.0
0.9
0.8
0.8
0.9
0.9
0.9
0.9
0.9
0.9
0.8
0.8
0.7
0.6
0.6
0.6
0.6
0.7
0.7

15
15
15
14
13
13
12
12
12
12
12
12
11
11
11
11
11
11
10
10
10
10
10
10

380
360
340
330
310
300
280
280
270
270
250
240
230
210
200
200
190
190
190
190
190
190
170
160

4.0
4.7
4.9
4.6
3.9
3.0
2.1
1.4
1.1
1.4
2.1
3.0
4.0
4.7
5.1
5.0
4.3
3.4
2.4
1.5
1.0
1.1
1.6
2.5

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
12 54
12 54
12 54
12 54
12 53
12 53
12 53
12 53
12 54
12 54
12 54

100
100
75
75
80
60
50
60
60
65
75
80
80
70
80
75
70
75
70
85
95
95
95
95

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
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

>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1034
1033
1033
1032
1032
1032
1032
1033
1033
1033
1033
1033
1032
1032
1031
1031
1031
1030
1031
1030
1030
1030
1029
1029

1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
2

13 55
14 56
16 60
15 60
15 58
14 57
12 54
12 53
11 52
11 51
10 50
9 49
9 48
9 48
9 48
9 48
9 48
8 47
9 48
10 50
11 51
11 52
12 54
13 55

9 48
10 49
15 59
14 57
12 54
11 51
9 48
8 46
7 45
7 45
7 44
6 43
6 43
6 43
6 42
5 41
5 41
5 40
5 41
7 45
8 46
11 51
12 54
12 54

8 15 3 4 9
10 18 3 5 11
13 24 4 7 15
12 22 4 6 14
12 22 4 6 14
12 23 4 6 14
12 23 4 6 14
12 22 4 6 14
11 20 4 6 12
11 21 4 6 13
11 20 4 6 12
11 20 4 6 12
9 17 3 5 11
9 17 3 5 11
12 22 4 6 14
12 23 4 6 14
13 24 4 7 15
12 23 4 6 14
12 22 4 6 14
12 22 4 6 14
13 24 4 7 15
12 22 4 6 14
12 22 4 6 14
12 22 4 6 14

1.2
1.2
1.2
1.2
1.3
1.2
1.2
1.1
1
1
1
1
1
1
0.9
0.9
0.9
0.9
0.9
0.9
0.8
0.8
0.8
0.9

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

Expert opinion

High 1039 hPa centered at 350 nautical miles in the West-North-West of Cape Finisterre (Spain) moving at 8 knots to the East and weakening to 1035 hPa to be centered at 230 nautical miles in the South-South-West of Fastnet Rock (South-West Ireland).

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

The reliability of the situation is assessed at 90%.

Very cloudy skies to overcast. No precipitation. In the evening, very cloudy.
No precipitation. WNW force 4 in the middle of the day turning NNW in the evening. Gusts reaching 19 knots in the middle of the day. Slight sea. Low, long swell from WSW. Excellent visibility.

semaphore stations

Station Ile De Groix located 3 km from L'Ile de Groix-Les Grands Sables

	WIND			WEATHER
Local time	Dir. (°)	Speed (nd)	Gust (nd)	Temp. (°C)	Pressure (hPa)	Visibility (M)
14h	280	21	31	12.3	-	0
13h	280	25	32	11.4	-	0
12h	290	22	28	11.3	-	0

observation.semaphores_link

Météo France - RADOME

observation.semaphore_link

Tides at Port-Tudy

82

High tide 04h40 4.97m

Low tide 10h49 1.11m

86

High tide 16h57 4.91m

Low tide 23h01 1.14m

www.shom.fr - © SHOM 2026 - Local times

Consult the tides for March

Go further

Tue

31

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

Wed

01

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

Thu

02

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

Fri

03

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

Sat

04

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

Sun

05

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

Mon

06

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

Tue

07

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

Wed

08

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

Thu

09

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

Fri

10

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

Sat

11

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

Sun

12

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

Mon

13

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

Tue

14

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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

semaphore stations

Tides at Port-Tudy

Go further