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

Fri

08

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Sat

09

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Sun

10

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Mon

11

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Tue

12

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Wed

13

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Thu

14

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Fri

15

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Sat

16

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Sun

17

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Mon

18

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Tue

19

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Wed

20

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Thu

21

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Fri

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BULLETIN

Reliability 80%

No gale warning.

No weather risk at the spot

Friday 8 may

METEO CONSULT Run : 8/05 00Z Mesh : 1km Updated, 1h ago Update in 5h

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)

20

15

10

5

0

40

30

20

10

0

10

5

0

25

20

15

10

5

0

10

5

0

1

0.5

0

3

0

20

15

10

5

65

60

55

50

                                    
                                                                         Sat 9
                                                            
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                        Run : 8/05 00Z
                Mesh : 1km
                Updated, 1h ago
                Update in 5h

Sat 9

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

70° E ENE
75° E ENE
95° E E
90° E E
90° E E
80° E E
95° E E
100° E E
105° E ESE
125° SE SE
120° SE ESE
95° E E
90° E E
75° E ENE
70° E ENE
75° E ENE
65° NE ENE
60° NE ENE
60° NE ENE
45° NE NE
45° NE NE
40° NE NE
35° NE NE
45° NE NE

8 15 4 9 3
7 13 4 8 3
5 10 3 6 2
5 10 3 6 2
9 16 4 10 3
6 11 3 7 2
6 11 3 7 2
7 13 4 8 3
7 13 4 8 3
5 9 3 6 2
3 6 2 4 2
4 7 2 4 2
4 8 2 5 2
6 12 3 7 3
8 14 4 9 3
8 14 4 9 3
8 15 4 9 3
8 15 4 9 3
8 14 4 9 3
8 14 4 9 3
8 14 4 9 3
5 10 3 6 2
6 12 3 7 3
9 16 4 10 3

13 25 7 16 4
13 25 7 16 4
17 32 9 20 5
14 26 7 16 4
17 32 9 20 5
12 23 6 14 4
11 20 6 12 4
11 21 6 13 4
13 24 7 15 4
12 23 6 14 4
10 18 5 11 3
10 18 5 11 3
9 16 4 10 3
11 21 6 13 4
13 24 7 15 4
13 25 7 16 4
14 26 7 16 4
15 28 8 17 4
17 31 9 19 5
16 30 8 19 5
16 30 8 19 5
17 32 9 20 5
16 30 8 19 5
17 31 9 19 5

0.3
0.3
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.3
0.3
0.3
0.3
0.4
0.4
0.5
0.5
0.5
0.5
0.4
0.5
0.5
0.5

0.3
0.3
0.3
0.3
0.2
0.1
0.1
0.1
0.1
0
0
0.1
0.1
0.2
0.2
0.3
0.3
0.4
0.3
0.3
0.2
0.4
0.4
0.2

25° NE NNE
30° NE NNE
30° NE NNE
35° NE NE
40° NE NE
40° NE NE
40° NE NE
40° NE NE
40° NE NE
40° NE NE
40° NE NE
35° NE NE
35° NE NE
35° NE NE
35° NE NNE
30° NE NNE
30° NE NNE
25° NE NNE
30° NE NNE
30° NE NNE
35° NE NNE
15° N NNE
25° NE NNE
35° NE NE

0.2
0.2
0.2
0.3
0.4
0.4
0.4
0.4
0.4
0.4
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.4
0.4
0.2
0.3
0.5

4
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
5
4
4
4
5
5
4

15
15
15
20
20
25
25
25
25
25
25
20
20
20
20
20
20
20
20
20
20
20
25
25

4.8
5.7
6.8
7.8
8.4
8.5
8.2
7.4
6.5
5.5
4.8
4.4
4.5
5.1
5.9
6.9
7.7
8.1
8.0
7.5
6.8
6.0
5.3
4.9

14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57

10
50
80
75
60
55
45
70
75
90
100
100
100
100
100
95
70
65
75
50
65
70
70
75

0
1.8
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0
0
0
0
0
0
0
0
0

-
-
-
-
-
-

20
100
35
40
35
20
0
0
0
0
0
0
25
50
60
45
25
20
20
25
40
45
45
40

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
10
10
10
10

>20
>20
15
15
>20
10
10
15
15
15
15
15
15
15
>20
>20
>20
>20
>20
>20
>20
>20
15
>20

1013
1013
1013
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012

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

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

16 61
13 56
13 55
12 53
11 51
11 52
11 52
11 51
10 51
11 51
11 52
11 51
11 51
11 51
11 52
13 55
15 59
17 62
17 63
17 63
17 63
16 60
16 61
16 60

11 21 4 6 13
10 19 3 5 12
11 20 4 6 12
9 16 3 4 10
9 17 3 5 11
11 20 4 6 12
13 24 4 7 15
12 22 4 6 14
12 23 4 6 14
11 21 4 6 13
9 16 3 4 10
8 15 3 4 9
7 13 3 4 8
7 13 3 4 8
10 18 3 5 11
10 19 3 5 12
10 18 3 5 11
9 17 3 5 11
8 14 3 4 9
10 18 3 5 11
11 21 4 6 13
10 19 3 5 12
6 12 3 3 7
13 24 4 7 15

0.4
0.5
0.6
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.6
0.6
0.6
0.7
0.7
0.6
0.7
0.7
0.7
0.8

Forecasts established in local time
Caption Glossary

Expert opinion

A northerly and variable flow prevails over the North-West of the basin. Over the South, it is easterly, moderate and variable. Over the North-East, it is southerly, moderate and very variable.

For Grève de Saint Marc :
No gale warning.

The reliability of the situation is assessed at 80%.

In the evening, good clear periods but cloud building.
Showers becoming less frequent. E wind force 3. Gusts reaching 17 knots in the evening. Smooth to slight sea. Low, short swell from NE. Good visibility.

Tides at Saint-Quay-Portrieux

44

Low tide 05h37 3.91m

High tide 11h24 8.56m

40

Low tide 17h47 4.42m

High tide 23h40 8.55m

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

Consult the tides for May

Go further

Fri

08

-

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

Sat

09

-

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

Sun

10

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

Mon

11

-

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

Tue

12

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

Wed

13

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

Thu

14

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

Fri

15

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

Sat

16

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

Sun

17

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

Mon

18

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

Tue

19

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

Wed

20

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

Thu

21

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

Fri

22

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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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