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

Sun

12

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Mon

13

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Tue

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Wed

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Thu

16

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Fri

17

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Sat

18

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Sun

19

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Mon

20

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Tue

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Wed

22

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Thu

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Fri

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Sat

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Sun

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BULLETIN

Reliability 80%

No gale warning.

No weather risk at the spot

Sunday 12 apr

METEO CONSULT Run : 12/04 00Z Mesh : 1km Updated, 20min ago Update in 6h

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

20

15

10

5

0

10

5

0

1

0.5

0

3

0

20

15

10

5

0

60

50

40

30

                                    
                                                                         Mon 13
                                                            
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                        Run : 12/04 00Z
                Mesh : 1km
                Updated, 20min ago
                Update in 6h

Mon 13

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

270° W W
300° NW WNW
280° W W
320° NW NW
330° NW NNW
280° W W
125° SE SE
130° SE SE
180° S S
200° S SSW
215° SW SSW
225° SW SW
235° SW SW
240° SW WSW
235° SW WSW
235° SW SW
235° SW WSW
235° SW WSW
240° SW WSW
235° SW WSW
235° SW SW
235° SW SW
245° SW WSW
245° SW WSW

8 15 4 9 3
7 13 4 8 3
4 8 2 5 2
5 10 3 6 2
1 2 1 1 1
2 3 1 2 1
1 1 0 1 1
2 3 1 2 1
2 3 1 2 1
3 6 2 4 2
4 8 2 5 2
4 8 2 5 2
4 8 2 5 2
5 10 3 6 2
6 11 3 7 2
6 11 3 7 2
6 11 3 7 2
5 10 3 6 2
6 11 3 7 2
6 11 3 7 2
6 11 3 7 2
5 9 3 6 2
5 9 3 6 2
4 7 2 4 2

15 28 8 17 4
15 27 8 17 4
17 31 9 19 5
15 28 8 17 4
13 25 7 16 4
13 24 7 15 4
7 13 4 8 3
7 13 4 8 3
6 12 3 7 3
6 11 3 7 2
7 13 4 8 3
6 12 3 7 3
7 13 4 8 3
9 16 4 10 3
9 17 5 11 3
10 18 5 11 3
10 18 5 11 3
9 17 5 11 3
10 19 5 12 3
10 18 5 11 3
10 18 5 11 3
11 20 6 12 4
10 18 5 11 3
10 18 5 11 3

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

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
355° N N
355° N N
355° N N
355° N N
355° N N
355° N N
355° N N

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

14
14
14
14
13
13
13
13
13
13
13
13
13
13
12
12
12
12
12
12
12
12
12
12

320
320
310
310
300
300
300
290
290
280
280
270
270
270
260
260
260
250
250
250
240
240
240
230

6.3
7.0
7.6
7.8
7.8
7.4
6.7
6.0
5.4
5.0
4.9
5.3
6.0
6.9
7.7
8.2
8.3
7.9
7.2
6.2
5.3
4.5
4.2
4.4

11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52

100
100
95
85
85
90
60
65
60
60
45
40
10
15
10
15
25
30
20
35
25
10
25
45

0.1
1
0.1
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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

80
100
60
60
60
45
45
30
20
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
15
15
15
10
10
10
10
10
10
10
15
>20
>20
>20

1014
1014
1014
1014
1013
1013
1013
1014
1014
1014
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015

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

12 53
12 53
11 52
11 52
11 52
11 51
10 51
10 50
9 48
8 46
7 45
6 43
6 42
5 41
5 41
5 40
4 40
4 39
4 38
3 38
4 40
8 47
10 51
11 53

9 48
9 48
12 54
12 54
13 55
13 55
12 53
10 50
9 47
7 44
6 42
5 41
4 39
3 38
3 37
3 37
2 36
2 36
1 35
1 34
3 38
9 49
13 55
15 58

8 15 3 4 9
6 12 3 3 7
9 16 3 4 10
4 8 2 2 5
2 4 1 1 2
4 7 2 2 4
1 2 1 1 1
1 2 1 1 1
4 7 2 2 4
4 8 2 2 5
5 10 2 3 6
6 11 2 3 7
6 12 3 3 7
6 12 3 3 7
8 14 3 4 9
9 16 3 4 10
8 15 3 4 9
7 13 3 4 8
8 14 3 4 9
7 13 3 4 8
8 14 3 4 9
6 12 3 3 7
5 10 2 3 6
4 8 2 2 5

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

Forecasts established in local time
Caption Glossary

Expert opinion

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

For Grève de Saint Marc :
No gale warning.

We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.

Very cloudy skies to overcast. Light rain followed by showers. In the evening, changeable skies becoming less cloudy.
Light showers progressively becoming less frequent. WSW force 3 in the middle of the day turning SSW force 2 in the evening. Gusts reaching 17 knots in the middle of the day. Slight sea. Low, long swell from N. Excellent visibility becoming good in the evening.

Tides at Saint-Quay-Portrieux

29

High tide 03h25 7.63m

Low tide 09h58 4.96m

35

High tide 16h18 7.86m

Low tide 22h41 4.88m

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

Consult the tides for April

Go further

Sun

12

-

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

Mon

13

-

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

Tue

14

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

Wed

15

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

Thu

16

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

Fri

17

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

Sat

18

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

Sun

19

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

Mon

20

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

Tue

21

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

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

* +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

Go further