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

Tréveneuc (22411)Longitude : -2°51’,1836 W Latitude : 48°40’,014 N Altitude : 0m

Sat

07

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

Sun

08

-

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

Mon

09

-

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

Tue

10

-

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

Wed

11

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

Thu

12

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

Fri

13

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

Sat

14

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

Sun

15

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

Mon

16

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

Tue

17

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

Wed

18

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

Thu

19

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Fri

20

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

Sat

21

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

BULLETIN

(established in local time)

Reliability 80%

Wind alert - Warning strong breeze offshore.

Saturday 7 june

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

15

10

5

40

30

20

10

5

0

0.5

0

3

0

20

15

10

5

65

60

55

50

45

Sun 8

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

235° SW SW
230° SW SW
230° SW SW
235° SW SW
245° SW WSW
250° W WSW
245° SW WSW
250° W WSW
245° SW WSW
245° SW WSW
250° W WSW
255° W WSW
270° W W
275° W W
270° W W
270° W W
280° W WNW
280° W W
275° W W
270° W W
270° W W
270° W W
265° W W
265° W W

10 19 5 12 3
11 21 6 13 4
11 21 6 13 4
11 21 6 13 4
13 24 7 15 4
14 26 7 16 4
14 26 7 16 4
14 26 7 16 4
16 30 8 19 5
16 29 8 18 5
16 30 8 19 5
16 29 8 18 5
15 27 8 17 4
15 27 8 17 4
15 27 8 17 4
13 25 7 16 4
13 25 7 16 4
12 23 6 14 4
11 20 6 12 4
11 20 6 12 4
10 19 5 12 3
10 18 5 11 3
9 17 5 11 3
9 17 5 11 3

18 33 9 21 5
19 36 10 22 5
19 36 10 22 5
21 39 11 24 6
22 41 11 25 6
24 45 13 28 6
25 46 13 29 6
24 45 13 28 6
26 49 14 30 6
28 51 14 32 7
28 51 14 32 7
28 51 14 32 7
28 52 14 32 7
25 47 13 29 6
26 49 14 30 6
25 47 13 29 6
25 46 13 29 6
24 44 12 27 6
20 37 10 23 5
18 34 9 21 5
17 32 9 20 5
16 30 8 19 5
16 29 8 18 5
15 28 8 17 4

0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4

0.6
0.6
0.6
0.7
0.6
0.6
0.6
0.6
0.6
0.6
0.7
0.7
0.8
0.8
0.8
0.8
0.8
0.8
0.9
0.9
0.9
0.9
0.9
0.9

0.1
0.1
0.1
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.1
0.2
0.2
0.1
0.1
0.2
0.2

280° W W
190° S SSW
190° S SSW
180° S S
180° S S
195° S SSW
195° S SSW
195° S SSW
280° W WNW
325° NW NW
325° NW NNW
280° W WNW
235° SW WSW
280° W WNW
235° SW WSW
195° S SSW
195° S SSW
180° S S
180° S S
180° S S
180° S S
180° S S
340° N NNW
340° N NNW

0.2
0.2
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
0.4
0.4
0.4
0.4
0.4

7
7
7
8
8
7
7
7
7
7
6
6
5
5
5
5
5
5
5
5
5
5
6
6

90
90
80
80
80
80
80
80
80
80
70
70
70
70
70
80
80
80
45
35
35
35
40
35

7.8
6.6
5.3
4.3
3.8
3.8
4.6
5.8
7.3
8.5
9.2
9.2
8.5
7.3
5.9
4.7
3.8
3.6
4.1
5.3
6.8
8.3
9.2
9.3

16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60

75
95
95
85
90
95
85
85
90
90
95
90
90
65
80
85
90
60
50
45
80
55
35
85

0
0
0
0
0
0
0
0
0.1
0
0.1
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0

-
-
-
-
-
-
-

0
25
40
40
40
25
35
35
50
45
50
50
50
40
30
40
40
25
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

1010
1010
1010
1010
1010
1011
1011
1011
1010
1010
1010
1011
1011
1011
1012
1013
1014
1015
1015
1016
1016
1017
1018
1018

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

13 56
13 56
14 57
14 58
15 60
16 61
17 62
18 64
18 64
18 64
18 64
17 63
16 61
16 61
15 59
14 58
14 57
13 56
13 55
12 54
12 54
12 53
12 53
12 53

10 50
10 51
10 51
11 52
13 55
15 59
15 59
17 63
17 62
18 64
17 63
16 61
13 55
13 55
11 52
10 50
9 48
9 48
9 48
8 47
9 47
8 47
8 47
8 47

16 29 5 8 18
17 32 5 9 20
16 30 5 8 19
17 32 5 9 20
17 31 5 9 19
16 30 5 8 19
14 26 4 7 16
12 23 4 6 14
14 26 4 7 16
15 28 4 8 17
18 34 5 9 21
18 34 5 9 21
21 38 5 11 24
22 41 6 11 25
22 41 6 11 25
21 38 5 11 24
22 41 6 11 25
22 40 6 11 25
21 39 6 11 24
21 38 5 11 24
20 37 5 10 23
19 35 5 10 22
18 34 5 9 21
17 32 5 9 20

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

Forecasts established in local time
Last updated 23min ago | Next update in 3h
Caption

Expert opinion

A westerly, moderate and mostly variable flow prevails over the whole area.

For Grève de Saint Marc :
Warning strong breeze offshore.

We are 80% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.

Very cloudy skies with short clear spells. Possibility of showers late in the morning, showers in the afternoon. In the evening, very cloudy.
Light showers progressively becoming less frequent. SW force 4 becoming WSW force 5 in the middle of the day then W. Gusts reaching 28 knots in the evening. Smooth to slight sea. Low, fairly long swell from S. Excellent visibility.

Tides at Saint-Quay-Portrieux

51

High tide 04h50 9.06m

Low tide 11h29 3.69m

53

High tide 17h24 9.28m

Low tide 23h52 3.58m

www.shom.fr - © SHOM 2025

Consult the tides for June

Sat

07

-

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

Sun

08

-

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

Mon

09

-

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

Tue

10

-

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

Wed

11

-

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

Thu

12

-

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

Fri

13

-

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

Sat

14

-

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

Sun

15

-

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

Mon

16

-

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

Tue

17

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

Wed

18

-

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

Thu

19

-

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

Fri

20

-

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

Sat

21

-

- 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 Grève de Saint Marc

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Quay-Portrieux