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

05

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

Mon

06

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Tue

07

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Wed

08

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Thu

09

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Fri

10

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Sat

11

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Sun

12

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Mon

13

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Tue

14

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Wed

15

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Thu

16

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Fri

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Sat

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Sun

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BULLETIN

Reliability 90%

No gale warning.

No weather risk at the spot

Sunday 5 apr

METEO CONSULT Run : 5/04 00Z Mesh : 1km Updated, 5h ago Update in 1h

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

15

10

5

0

-5

60

50

40

30

                                    
                                                                         Mon 6
                                                            
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                        Run : 5/04 00Z
                Mesh : 1km
                Updated, 5h ago
                Update in 1h

Mon 6

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

275° W W
285° W WNW
290° W WNW
295° NW WNW
310° NW NW
320° NW NW
330° NW NNW
340° N NNW
345° N NNW
355° N N
10° N N
40° NE NE
75° E ENE
100° E ESE
145° SE SE
145° SE SE
140° SE SE
140° SE SE
135° SE SE
140° SE SE
140° SE SE
140° SE SE
135° SE SE
130° SE SE

10 19 5 12 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
9 17 5 11 3
10 19 5 12 3
10 19 5 12 3
9 16 4 10 3
7 13 4 8 3
5 10 3 6 2
4 7 2 4 2
3 5 1 3 1
3 6 2 4 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 12 3 7 3
6 12 3 7 3
7 13 4 8 3
8 15 4 9 3
10 18 5 11 3
9 17 5 11 3

17 31 9 19 5
17 31 9 19 5
17 31 9 19 5
17 32 9 20 5
17 31 9 19 5
17 31 9 19 5
17 32 9 20 5
17 31 9 19 5
14 26 7 16 4
11 21 6 13 4
8 15 4 9 3
5 10 3 6 2
5 10 3 6 2
7 13 4 8 3
9 16 4 10 3
9 17 5 11 3
10 18 5 11 3
10 19 5 12 3
11 20 6 12 4
11 20 6 12 4
12 22 6 14 4
14 26 7 16 4
16 30 8 19 5
16 30 8 19 5

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

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

360° N N
360° N N
360° N N
360° N N
0° 0 0
0° 0 0
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
360° N N
360° N N
0° 0 0
0° N N

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

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

200
190
180
180
150
140
140
140
150
150
160
160
190
190
190
190
190
190
190
170
150
140
120
120

8.5
6.5
4.4
2.9
2.1
2.4
3.9
6.1
8.4
10.1
10.7
10.2
8.8
6.9
4.9
3.2
2.3
2.3
3.5
5.6
7.8
9.6
10.4
10.1

11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51

100
100
100
80
85
80
35
45
35
35
40
35
20
15
15
10
5
5
5
10
0
0
5
5

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
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

1022
1023
1024
1024
1025
1025
1025
1025
1025
1026
1026
1027
1027
1027
1027
1027
1027
1026
1026
1025
1025
1025
1025
1025

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

11 52
12 53
12 53
12 54
12 54
12 54
11 52
11 51
10 50
9 47
8 46
8 46
7 44
6 43
6 42
5 42
5 41
5 41
5 41
3 37
4 39
7 44
9 48
11 51

8 46
8 46
8 47
14 56
13 55
12 53
10 50
10 49
8 47
7 44
6 43
7 44
6 42
5 40
4 39
3 38
3 37
3 37
3 37
0 33
2 35
5 40
8 46
11 52

12 23 4 6 14
13 24 4 7 15
15 27 4 8 17
13 25 4 7 16
14 26 4 7 16
14 26 4 7 16
12 23 4 6 14
11 20 4 6 12
9 17 3 5 11
7 13 3 4 8
5 10 2 3 6
5 9 2 3 6
5 9 2 3 6
6 11 2 3 7
8 14 3 4 9
9 16 3 4 10
10 18 3 5 11
11 20 4 6 12
11 21 4 6 13
11 21 4 6 13
12 22 4 6 14
12 23 4 6 14
13 24 4 7 15
11 21 4 6 13

1.4
1.3
1.3
1.2
1.2
1.1
1.1
1
1
0.9
0.9
0.8
0.8
0.8
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7

Forecasts established in local time
Caption Glossary

Expert opinion

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

For Grève de Saint Marc :
No gale warning.

The reliability of the situation is assessed at 90%.

Very cloudy skies to overcast. No precipitation. In the evening, changeable skies becoming less cloudy.
No precipitation. WNW force 3 in the middle of the day turning N in the evening. Gusts reaching 17 knots. Slight sea becoming smooth to slight in the evening. Low, fairly long swell from N. Excellent visibility.

Tides at Saint-Quay-Portrieux

82

Low tide 04h04 1.79m

High tide 09h43 10.9m

78

Low tide 16h17 2.06m

High tide 21h58 10.74m

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

Consult the tides for April

Go further

Sun

05

-

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

Mon

06

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

Tue

07

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

Wed

08

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

Thu

09

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

Fri

10

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

Sat

11

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

Sun

12

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

Mon

13

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- 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

* +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