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

20

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

Sat

21

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Sun

22

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Mon

23

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Tue

24

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Wed

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Thu

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Fri

27

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Sat

28

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Sun

01

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Mon

02

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Tue

03

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Wed

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Thu

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Fri

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BULLETIN

(* established in local time)

Reliability 90%

Wind alert - Warning strong breeze offshore.

Friday 20 feb

METEO CONSULT Run : 20/02 00Z Mesh : 1km Updated, 43min ago Update in 5h

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell (m) (m)

Total sea (m)

Wind (m)

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)

30

20

10

0

60

50

40

30

20

10

15

10

5

0

40

30

20

10

0

10

5

0

1

0.5

0

3

0

15

10

5

60

55

50

45

40

                                    
                                                                         Sat 21
                                                            
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                        Run : 20/02 00Z
                Mesh : 1km
                Updated, 43min ago
                Update in 5h

Sat 21

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

230° SW SW
235° SW SW
235° SW SW
245° SW WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
250° W WSW
250° W WSW
250° W WSW
255° W WSW
250° W WSW
250° W WSW
245° SW WSW
235° SW WSW
235° SW SW
225° SW SW
230° SW SW
220° SW SW
220° SW SW
225° SW SW

13 24 7 15 4
14 26 7 16 4
15 27 8 17 4
14 26 7 16 4
13 25 7 16 4
13 24 7 15 4
13 24 7 15 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
13 24 7 15 4
12 22 6 14 4
11 21 6 13 4
11 20 6 12 4
11 20 6 12 4
9 17 5 11 3
8 15 4 9 3
8 15 4 9 3
10 19 5 12 3
11 21 6 13 4
13 24 7 15 4
13 25 7 16 4

24 44 12 27 6
26 49 14 30 6
28 51 14 32 7
26 49 14 30 6
25 46 13 29 6
26 48 13 30 6
25 46 13 29 6
24 45 13 28 6
22 40 11 25 6
22 41 11 25 6
23 42 12 26 6
22 41 11 25 6
24 44 12 27 6
23 42 12 26 6
21 38 11 24 5
21 38 11 24 5
20 37 10 23 5
19 36 10 22 5
16 30 8 19 5
15 27 8 17 4
17 31 9 19 5
19 35 10 22 5
22 40 11 25 6
23 43 12 27 6

0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5

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

185° S S
185° S S
185° S S
185° S S
180° S S
180° S S
225° SW SW
180° S S
180° S S
180° S S
180° S S
185° S S
185° S S
185° S S
185° S S
185° S S
185° S S
185° S S
185° S S
180° S S
185° S S
185° S S
185° S S
185° S S

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

9
9
9
8
8
8
8
8
8
8
8
8
9
9
9
9
10
10
10
10
10
11
13
13

130
120
110
110
110
110
100
110
100
180
190
190
190
190
190
200
210
220
220
210
250
280
290
290

2.6
1.5
1.5
2.9
5.3
8.0
10.3
11.3
11.0
9.7
7.6
5.2
3.2
1.8
1.5
2.6
4.8
7.6
10.0
11.3
11.3
10.2
8.3
6.0

9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48

100
100
100
100
95
90
90
75
60
90
90
95
100
95
100
95
100
100
100
100
100
100
100
100

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

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

100
100
25
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
15
>20
>20
>20
>20

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

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1

12 53
12 53
12 53
12 53
12 53
12 53
12 53
11 52
11 52
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 52
11 52
11 52
12 53
13 55
13 56
13 56

8 46
7 45
7 45
8 46
7 45
7 45
7 45
7 45
7 44
7 44
6 43
7 44
7 44
7 44
7 44
7 44
7 44
8 46
8 46
8 47
9 47
10 49
10 50
9 49

16 29 5 8 18
17 31 5 9 19
17 32 5 9 20
17 31 5 9 19
17 31 5 9 19
16 30 5 8 19
16 29 5 8 18
15 28 4 8 17
13 24 4 7 15
15 28 4 8 17
15 28 4 8 17
15 27 4 8 17
15 27 4 8 17
15 27 4 8 17
13 24 4 7 15
12 23 4 6 14
11 21 4 6 13
10 19 3 5 12
11 21 4 6 13
10 19 3 5 12
11 20 4 6 12
12 22 4 6 14
13 24 4 7 15
13 24 4 7 15

1
1
1
1
1
1.1
1.1
1.1
1.1
1.1
1.1
1
1
1
1
1
1
1
1
0.9
1
1
1
1

Forecasts established in local time
Last updated 1h ago | Next update in 2h
Caption

Expert opinion

A southwesterly, 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 90%.

Very cloudy. Light showers. In the evening, very cloudy.
No precipitation. WSW wind force 4 from the middle of the day. Gusts reaching 28 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from S. Excellent visibility.

Tides at Saint-Quay-Portrieux

97

Low tide 03h11 1.48m

High tide 08h54 11.61m

96

Low tide 15h32 1.33m

High tide 21h13 11.36m

www.shom.fr - © SHOM 2026

Consult the tides for February

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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

Sun

22

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

Mon

23

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

Tue

24

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

Wed

25

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

Thu

26

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

Fri

27

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

Sat

28

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

Sun

01

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

Mon

02

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

Tue

03

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

Wed

04

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

Thu

05

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

Fri

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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