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

Wed

22

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Thu

23

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Fri

24

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Sat

25

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Sun

26

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Mon

27

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Tue

28

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Wed

29

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Thu

30

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Fri

01

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Sat

02

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Sun

03

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Mon

04

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Tue

05

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Wed

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BULLETIN

Reliability 85%

Warning strong breeze offshore.

No weather risk at the spot

Wednesday 22 apr

METEO CONSULT Run : 22/04 00Z Mesh : 1km Updated, 4h ago Update in 2h

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)

25

20

15

10

50

40

30

20

10

15

10

5

30

25

20

15

10

5

0

1

0.5

0

3

0

20

15

10

5

70

60

50

40

                                    
                                                                         Thu 23
                                                            
                    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 : 22/04 00Z
                Mesh : 1km
                Updated, 4h ago
                Update in 2h

Thu 23

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

70° E ENE
75° E ENE
75° E ENE
80° E E
85° E E
80° E E
85° E E
90° E E
90° E E
85° E E
90° E E
95° E E
95° E E
95° E E
100° E E
100° E E
100° E ESE
100° E E
100° E E
85° E E
80° E ENE
75° E ENE
70° E ENE
70° E ENE

11 20 6 12 4
11 20 6 12 4
11 20 6 12 4
11 20 6 12 4
11 20 6 12 4
11 20 6 12 4
10 19 5 12 3
11 20 6 12 4
11 20 6 12 4
11 21 6 13 4
12 22 6 14 4
12 22 6 14 4
11 21 6 13 4
12 22 6 14 4
12 22 6 14 4
12 22 6 14 4
12 22 6 14 4
12 23 6 14 4
12 22 6 14 4
12 22 6 14 4
13 25 7 16 4
14 26 7 16 4
14 26 7 16 4
14 26 7 16 4

19 35 10 22 5
19 36 10 22 5
20 37 10 23 5
21 38 11 24 5
19 35 10 22 5
18 34 9 21 5
17 32 9 20 5
17 32 9 20 5
19 36 10 22 5
21 38 11 24 5
21 38 11 24 5
20 37 10 23 5
19 35 10 22 5
19 35 10 22 5
19 36 10 22 5
20 37 10 23 5
20 37 10 23 5
21 38 11 24 5
21 38 11 24 5
21 38 11 24 5
23 42 12 26 6
24 44 12 27 6
24 45 13 28 6
23 42 12 26 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
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.8
0.7
0.7
0.6

0.4
0.4
0.4
0.3
0.3
0.2
0.3
0.3
0.4
0.5
0.5
0.5
0.4
0.4
0.4
0.4
0.4
0.4
0.5
0.5
0.7
0.6
0.6
0.5

35° NE NE
35° NE NE
30° NE NNE
30° NE NNE
30° NE NNE
30° NE NNE
25° NE NNE
25° NE NNE
20° N NNE
20° N NNE
25° NE NNE
30° NE NNE
30° NE NNE
35° NE NNE
35° NE NNE
35° NE NE
35° NE NE
35° NE NE
35° NE NE
30° NE NNE
25° NE NNE
25° NE NNE
25° NE NNE
25° NE NNE

0.5
0.3
0.3
0.5
0.5
0.5
0.5
0.6
0.5
0.5
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.5
0.5
0.3
0.3
0.3
0.2

5
5
5
4
4
4
4
4
5
4
5
5
5
5
5
5
5
5
5
5
5
4
5
4

35
30
30
30
30
30
30
35
30
30
30
35
35
35
30
30
30
30
30
30
30
30
25
25

4.2
3.2
2.9
3.6
5.1
7.1
8.8
9.9
9.9
9.3
8.0
6.4
4.9
3.7
3.1
3.3
4.2
5.8
7.4
8.7
9.3
9.1
8.3
7.1

12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53

100
100
100
70
75
65
55
30
20
30
30
20
10
10
10
10
10
5
10
5
5
5
5
5

1.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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

100
35
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

1018
1018
1018
1019
1019
1019
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023

0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
4
5
6
5

15 59
15 59
15 59
15 59
14 58
14 57
14 57
13 56
13 55
12 54
12 54
12 53
11 52
11 52
11 51
10 50
10 50
11 52
12 53
13 55
14 57
15 59
16 61
17 62

11 51
11 52
11 52
12 54
11 52
11 51
10 50
10 49
9 48
8 47
8 46
8 46
7 45
7 44
6 44
6 43
7 44
9 47
11 52
14 56
15 60
17 62
19 65
19 67

15 27 4 8 17
15 27 4 8 17
15 27 4 8 17
15 28 4 8 17
15 28 4 8 17
15 28 4 8 17
15 28 4 8 17
16 30 5 8 19
17 31 5 9 19
17 32 5 9 20
18 34 5 9 21
18 34 5 9 21
18 34 5 9 21
18 34 5 9 21
18 33 5 9 21
18 34 5 9 21
18 34 5 9 21
18 34 5 9 21
18 33 5 9 21
18 33 5 9 21
18 33 5 9 21
17 32 5 9 20
17 31 5 9 19
17 32 5 9 20

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

Forecasts established in local time
Caption Glossary

Expert opinion

An easterly, strong and very variable flow prevails over the whole area.

For Grève de Saint Marc :
Warning strong breeze offshore.

The reliability of the situation is assessed at 85%.

Overcast skies. Light rain. In the evening, clear periods developing.
No precipitation. ENE wind force 4 from the middle of the day. Gusts reaching 21 knots in the evening. Slight sea. Low, short swell from NE. Excellent visibility.

Tides at Saint-Quay-Portrieux

73

Low tide 05h32 2.26m

High tide 11h19 10.19m

65

Low tide 17h50 2.89m

High tide 23h33 10.02m

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

Consult the tides for April

Go further

Wed

22

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

Thu

23

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

Fri

24

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

Sat

25

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

Sun

26

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

Mon

27

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

Tue

28

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

Wed

29

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

Thu

30

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

Fri

01

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Sat

02

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

Sun

03

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

Mon

04

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Tue

05

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

Wed

06

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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 Grève de Saint Marc

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Quay-Portrieux

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