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

Weather Risk Briefing

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

Sat

07

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

Sun

08

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

Mon

09

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

Tue

10

-

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

Wed

11

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

Thu

12

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

Fri

13

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

Sat

14

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

Sun

15

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

Mon

16

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

Tue

17

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

Wed

18

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Thu

19

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BULLETIN

Reliability 70%

No gale warning.

No weather risk at the spot

Thursday 5 nov

METEO CONSULT Run : 5/11 06Z Mesh : 1km Updated, 1h ago Update in 2h

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell (m) (m)

Total sea

Height (m)

Wind sea

Height (m)

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)

15

10

5

0

25

20

15

10

5

10

5

0

15

10

5

0

5

0

0.5

0

3

0

15

10

5

0

55

50

45

40

35

                                    
                                                                         Fri 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 : 5/11 06Z
                Mesh : 1km
                Updated, 1h ago
                Update in 2h

Fri 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

90° E E
85° E E
80° E E
70° E ENE
70° E ENE
75° E ENE
90° E E
105° E ESE
135° SE SE
180° S S
205° SW SSW
200° S SSW
200° S SSW
205° SW SSW
210° SW SSW
215° SW SW
215° SW SW
215° SW SW
225° SW SW
220° SW SW
220° SW SW
220° SW SW
210° SW SSW
205° SW SSW

5 10 3 6 2
5 10 3 6 2
6 11 3 7 2
6 11 3 7 2
6 12 3 7 3
6 11 3 7 2
5 10 3 6 2
5 9 3 6 2
4 8 2 5 2
3 6 2 4 2
3 6 2 4 2
3 6 2 4 2
4 7 2 4 2
4 7 2 4 2
4 7 2 4 2
4 8 2 5 2
4 8 2 5 2
5 9 3 6 2
5 9 3 6 2
4 8 2 5 2
4 8 2 5 2
4 8 2 5 2
4 7 2 4 2
4 7 2 4 2

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

0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2

0.1
0
0
0.1
0.1
0.1
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

30° NE NNE
30° NE NNE
30° NE NNE
25° NE NNE
25° NE NNE
25° NE NNE
20° N NNE
20° N NNE
25° NE NNE
20° N NNE
20° N NNE
20° N NNE
20° N NNE
20° N NNE
20° N NNE
20° N NNE
20° N NNE
20° N NNE
15° N NNE
15° N NNE
10° N N
10° N N
10° N N
5° N N

0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2

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

70
40
40
40
40
90
110
110
110
110
110
110
110
110
110
110
90
110
110
110
140
140
140
140

4.8
6.4
8.1
9.4
9.9
9.6
8.6
7.1
5.5
4.0
3.1
2.9
3.7
5.2
7.1
8.9
9.9
10.1
9.4
8.0
6.3
4.6
3.4
2.9

14 58
14 58
14 58
14 58
14 58
14 58
14 58
14 58
14 58
14 58
14 58
14 58
14 58
14 58
14 58
14 58
14 58
14 58
14 58
14 58
14 58
14 58
14 58
14 58

100
100
100
75
85
85
80
90
90
90
90
85
85
85
85
85
80
80
70
75
70
70
50
20

0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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

95
45
40
40
35
20
0
0
0
0
0
20
20
20
20
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

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

1022
1022
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1024
1024

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

9 47
9 47
9 48
10 49
10 50
10 49
9 48
9 48
8 47
8 46
8 46
7 45
7 44
6 44
6 43
6 43
6 43
6 42
5 41
5 42
5 41
5 42
7 44
8 47

7 44
7 44
7 44
9 47
8 47
8 46
7 45
7 44
7 44
7 44
6 43
6 42
5 42
5 41
5 40
4 40
4 40
4 39
3 38
4 38
4 38
4 39
6 43
9 48

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

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
0.4
0.4
0.4
0.4
0.4
0.4
0.3
0.3
0.3
0.3
0.3

Forecasts established in local time
Caption Glossary

Expert opinion

Weather Risk Briefing

An easterly and variable flow prevails over the whole area.

For Grève de Saint Marc :
No gale warning.

We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.

Very cloudy skies to overcast. Light rain gradually becoming less frequent. In the evening, very cloudy.
Chance of light rain. ENE force 3 in the middle of the day turning SSE force 2 in the evening. Gusts reaching 11 knots in the middle of the day. Smooth to slight sea. Low, short swell from NNE. Excellent visibility becoming good in the evening.

Tides at Saint-Quay-Portrieux

61

High tide 03h46 9.53m

Low tide 10h13 3.44m

66

High tide 16h04 9.92m

Low tide 22h45 2.91m

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

Consult the tides for November

Go further

Thu

05

-

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

Fri

06

-

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

Sat

07

-

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

Sun

08

-

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

Mon

09

-

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

Tue

10

-

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

Wed

11

-

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

Thu

12

-

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

Fri

13

-

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

Sat

14

-

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

Sun

15

-

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

Mon

16

-

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

Tue

17

-

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

Wed

18

-

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

Thu

19

-

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

Weather beach Grève de Saint Marc

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Quay-Portrieux

Go further