Weather Grève de Saint Marc - Detailed bulletin - Free 15-day Marine forecasts

Tréveneuc (22411)Lon : -2°51’,1836 W Lat : 48°40’,014 N Alt : 0m

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BULLETIN

Reliability 80%

Warning moderate gale offshore.

Marine wind risk

Thursday 4 jun

METEO CONSULT Run : 3/06 00Z Mesh : 1km Updated, 8h ago Update imminent

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell (m) (m)

legend.title.wave_height

Total sea (m)

legend.title.wind_sea

Wind (m)

legend.title.swell

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)

40

30

20

10

0

70

60

50

40

30

20

10

20

15

10

5

50

40

30

20

10

5

0

1

0.5

0

3

0

20

15

10

5

65

60

55

50

45

                                    
                                                                         Fri 5
                                                            
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                        Run : 3/06 00Z
                Mesh : 1km
                Updated, 8h ago
                Update imminent

Fri 5

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

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

12 22 6 14 4
12 23 6 14 4
13 24 7 15 4
13 24 7 15 4
13 24 7 15 4
14 26 7 16 4
16 29 8 18 5
17 31 9 19 5
17 31 9 19 5
17 31 9 19 5
16 30 8 19 5
16 30 8 19 5
17 31 9 19 5
17 31 9 19 5
17 32 9 20 5
18 34 9 21 5
18 34 9 21 5
18 33 9 21 5
17 31 9 19 5
15 28 8 17 4
13 24 7 15 4
11 20 6 12 4
10 19 5 12 3
9 17 5 11 3

22 40 11 25 6
23 42 12 26 6
26 48 13 30 6
25 46 13 29 6
25 46 13 29 6
26 49 14 30 6
29 53 15 33 7
32 59 16 37 7
32 59 16 37 7
34 63 18 39 8
33 62 17 39 8
33 61 17 38 7
33 62 17 39 8
33 61 17 38 7
33 61 17 38 7
33 62 17 39 8
35 64 18 40 8
34 63 18 39 8
32 60 17 37 7
31 57 16 35 7
27 50 14 31 7
23 43 12 27 6
20 37 10 23 5
18 34 9 21 5

0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.6
0.6
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7

0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.2
0.2
0.1
0.1
0.1
0.1

355° N N
355° N N
355° N N
355° N N
355° N N
355° N N
355° N N
355° N N
355° N N
355° N N
355° N N
355° N N
355° N N
360° N N
360° N N
360° N N
360° N N
355° N N
355° N N
355° N N
355° N N
355° N N
355° N N
355° N N

0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.5
0.5
0.5
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.7
0.7
0.7
0.7

9
9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
9
9
9
9
9

130
130
130
130
130
130
130
130
140
140
140
140
140
140
130
130
140
130
160
160
170
170
170
170

4.9
3.6
2.9
3.1
4.2
5.9
7.7
9.1
9.7
9.4
8.4
6.9
5.4
4.1
3.4
3.4
4.3
5.9
7.6
9.1
9.8
9.7
8.8
7.4

16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61

100
100
75
75
85
40
40
20
45
60
60
60
75
60
75
50
60
50
40
55
45
60
40
50

0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.3
0.2
0
0
0
0
0
0
0
0
0

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

30
0
0
0
0
0
0
0
0
30
45
50
55
65
60
45
20
0
0
0
0
0
25
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

1004
1003
1003
1003
1003
1003
1003
1004
1004
1005
1005
1006
1006
1007
1007
1008
1008
1009
1010
1010
1011
1012
1012
1013

0
0
0
0
0
0
0
1
2
3
4
5
4
5
3
3
2
1
0
0
0
0
0
0

14 58
14 57
14 57
14 57
14 56
13 56
13 56
14 57
15 59
15 60
16 61
16 61
16 61
16 61
16 60
16 60
16 60
15 59
15 58
14 56
13 55
12 54
12 54
12 53

10 50
10 50
10 49
10 49
9 48
9 48
9 48
11 51
12 54
14 57
15 60
16 61
16 61
15 58
14 58
14 58
14 56
13 55
11 52
10 49
9 48
9 47
8 47
8 47

18 34 5 9 21
18 34 5 9 21
18 34 5 9 21
18 34 5 9 21
19 36 5 10 22
21 38 5 11 24
22 41 6 11 25
23 42 6 12 26
23 42 6 12 26
22 41 6 11 25
22 40 6 11 25
22 40 6 11 25
23 42 6 12 26
23 43 6 12 27
24 44 6 12 27
25 47 6 13 29
25 47 6 13 29
25 47 6 13 29
24 45 6 13 28
23 43 6 12 27
22 40 6 11 25
21 38 5 11 24
19 36 5 10 22
18 33 5 9 21

1.2
1.2
1.2
1.2
1.2
1.3
1.4
1.4
1.5
1.6
1.7
1.7
1.8
1.8
1.8
1.8
1.9
1.9
1.9
1.8
1.7
1.7
1.6
1.6

Forecasts established in local time
Caption Glossary

Expert opinion

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

For Grève de Saint Marc :
Warning moderate gale offshore.

The reliability of the situation is assessed at 80%.

Skies changeable to very cloudy. Some light showers from late morning. In the evening, cloudy spells, sometimes dense.
Chance of light rain. WSW wind force 5 continuing all day. Gusts reaching 35 knots in the evening. Slight sea. Low, fairly long swell from N. Excellent visibility.

Tides at Saint-Quay-Portrieux

64

Low tide 04h20 2.89m

High tide 10h05 9.71m

62

Low tide 16h30 3.27m

High tide 22h18 9.86m

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

Consult the tides for June

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Thu

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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 Grève de Saint Marc

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Quay-Portrieux

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