Weather Grève de Saint Marc - Detailed bulletin - Free 15-day Marine forecasts

Tréveneuc (22411)Longitude : -2°51’,1836 W Latitude : 48°40’,014 N Altitude : 0m

Sat

28

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

Sun

29

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

Mon

30

-

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

Tue

01

-

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

Wed

02

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

Thu

03

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

Fri

04

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

Sat

05

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

Sun

06

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

Mon

07

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

Tue

08

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

Wed

09

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

Thu

10

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

Fri

11

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Sat

12

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BULLETIN

(established in local time)

Reliability 95%

No gale warning.

Saturday 28 june

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell height (m) (m)

Total sea (m)

Total wave height (m)

Wind (m)

Swell direction

Swell height (m)

Swell period (s)

Wave length (m)

High tide (m)

Sea temp

Weather

Rain (mm) (mm)

Cloud cover(%)

Amount of precipitation(mm)

Type of precipitation

Precipitation risk(%)

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

0

10

5

0

15

10

5

0

5

0

0.5

0

3

0

35

30

25

20

15

90

80

70

60

Sun 29

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

255° W WSW
265° W W
275° W W
45° NE NE
55° NE ENE
40° NE NE
20° N NNE
20° N NNE
15° N NNE
10° N N
5° N N
355° N N
345° N NNW
345° N NNW
340° N NNW
330° NW NNW
335° NW NNW
345° N NNW
15° N NNE
25° NE NNE
40° NE NE
50° NE NE
65° NE ENE
75° E ENE

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

8 14 4 9 3
9 17 5 11 3
9 16 4 10 3
8 15 4 9 -
11 20 6 12 4
10 19 5 12 -
11 21 6 13 4
11 21 6 13 4
10 19 5 12 -
11 21 6 13 4
11 20 6 12 4
11 20 6 12 4
11 20 6 12 4
9 16 4 10 3
6 11 3 7 -
5 10 3 6 -
5 10 3 6 -
5 9 3 6 2
4 8 2 5 2
4 8 2 5 2
4 8 2 5 2
4 8 - 5 -
5 10 3 6 -
7 13 4 8 3

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

0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
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
0
0
0
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

185° S S
180° S S
185° S S
195° S SSW
200° S SSW
200° S SSW
185° S S
195° S SSW
185° S S
15° N NNE
20° N NNE
190° S S
185° S S
185° S S
185° S S
185° S S
200° S SSW
195° S SSW
185° S S
345° N NNW
345° N NNW
350° N NNW
350° N NNW
350° N NNW

0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2

8
8
8
8
8
8
8
8
7
6
6
7
7
8
8
8
8
9
8
9
9
10
10
10

120
130
130
130
130
120
110
110
100
80
90
100
110
120
130
130
130
130
130
140
140
150
160
160

10.7
10.3
9.0
7.1
5.1
3.4
2.4
2.4
3.6
5.7
8.0
10.0
10.9
10.7
9.6
7.8
5.7
3.8
2.5
2.1
2.7
4.3
6.5
8.7

20 67
20 68
20 68
20 69
21 69
21 70
21 70
21 71
21 71
21 70
21 70
21 70
21 70
21 70
21 70
21 70
21 70
21 70
21 70
21 70
21 70
21 70
21 70
21 70

90
90
85
85
55
55
70
75
15
20
25
20
35
75
90
95
95
95
95
100
100
100
100
100

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

10
>20
>20
>20
>20
>20
>20
>20
15
>20
10
15
5
3
3
2
1
0.9
0.5
0.5
0.6
0.6
1
2

1026
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026

0
2
3
3
6
6
4
3
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0

20 68
22 71
23 73
22 72
22 72
23 73
23 73
22 72
22 71
21 70
21 69
20 67
19 66
18 65
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 65

23 73
26 80
30 85
29 83
28 83
29 85
29 85
29 85
28 82
26 78
24 75
18 64
17 62
17 62
16 62
16 61
16 61
17 62
17 62
17 62
17 62
16 62
17 62
17 63

4 7 2 2 4
3 5 1 1 3
3 5 1 1 3
3 5 1 1 3
4 7 2 2 4
5 9 2 3 6
6 11 2 3 7
5 10 2 3 6
5 10 2 3 6
5 10 2 3 6
4 8 2 2 5
4 8 2 2 5
5 10 2 3 6
4 8 2 2 5
3 6 2 2 4
3 6 2 2 4
3 5 1 1 3
3 5 1 1 3
3 5 1 1 3
3 6 2 2 4
3 6 2 2 4
2 4 1 1 2
3 5 1 1 3
4 7 2 2 4

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
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4

Forecasts established in local time
Last updated 43min ago | Next update in 3h
Caption

Expert opinion

High 1027 hPa centered on East Channel moving at 12 knots to the West-South-West to be centered on West Channel.

For Grève de Saint Marc :
No gale warning.

The reliability of the situation is assessed at 95%.

Very cloudy. But clear spells will become more and more widespread. No precipitation. In the evening, cloud and long sunny periods.
No precipitation. W force 2 turning NE force 3 in the middle of the day then N. Gusts reaching 11 knots from the middle of the day. Smooth sea. Low, fairly long swell from S. Poor visibility becoming excellent in the middle of the day then reduced by mist.

Tides at Saint-Quay-Portrieux

85

Low tide 04h17 1.83m

High tide 10h05 10.74m

82

Low tide 16h32 2.23m

High tide 22h15 10.95m

www.shom.fr - © SHOM 2025

Consult the tides for June

Sat

28

-

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

Sun

29

-

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

Mon

30

-

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

Tue

01

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

Wed

02

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

Thu

03

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

Fri

04

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

Sat

05

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

Sun

06

-

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

Mon

07

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

Tue

08

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

Wed

09

-

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

Thu

10

-

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

Fri

11

-

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

Sat

12

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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