Weather Grève de Fonteny - Detailed bulletin - Free 15-day Marine forecasts

Saint-Quay-Portrieux (22410)Longitude : -2°50’,4666 W Latitude : 48°39’,714 N Altitude : 0m

Fri

17

-

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

Sat

18

-

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

Sun

19

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

Mon

20

-

- 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

Mon

27

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

Tue

28

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

Wed

29

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

Thu

30

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

Fri

31

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

BULLETIN

(established in local time)

Reliability 90%

Wind alert - Warning strong breeze offshore.

Friday 17 october

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)

25

20

15

10

50

40

30

20

15

10

5

30

25

20

15

10

5

0

1

0.5

0

3

0

20

15

10

5

65

60

55

50

45

40

Sat 18

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

100° E ESE
100° E ESE
105° E ESE
100° E ESE
105° E ESE
105° E ESE
110° E ESE
110° E ESE
110° E ESE
100° E E
95° E E
85° E E
75° E ENE
75° E ENE
75° E ENE
75° E ENE
85° E E
90° E E
100° E E
105° E ESE
110° E ESE
115° SE ESE
125° SE SE
125° SE SE

12 23 6 14 4
12 23 6 14 4
13 24 7 15 4
12 23 6 14 4
12 23 6 14 4
12 22 6 14 4
12 22 6 14 4
12 22 6 14 4
11 21 6 13 4
12 23 6 14 4
12 23 6 14 4
13 25 7 16 4
15 28 8 17 4
16 29 8 18 5
16 29 8 18 5
16 29 8 18 5
15 28 8 17 4
15 28 8 17 4
15 28 8 17 4
15 28 8 17 4
15 28 8 17 4
13 25 7 16 4
11 21 6 13 4
12 23 6 14 4

18 34 9 21 5
18 33 9 21 5
19 35 10 22 5
17 31 9 19 5
17 32 9 20 5
17 32 9 20 5
16 30 8 19 5
17 31 9 19 5
16 30 8 19 5
17 31 9 19 5
17 32 9 20 5
18 33 9 21 5
19 35 10 22 5
20 37 10 23 -
21 38 11 24 -
21 38 11 24 -
20 37 10 23 5
21 38 11 24 5
21 39 11 24 6
21 39 11 24 6
22 40 11 25 6
21 38 11 24 5
17 32 9 20 5
17 31 9 19 5

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

1.1
1
0.9
0.8
0.7
0.7
0.6
0.7
0.7
0.7
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.7
0.7
0.7
0.7
0.7
0.7
0.7

0.4
0.3
0.3
0.2
0.2
0.2
0.2
0.2
0.2
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

80° E E
80° E E
40° NE NE
40° NE NE
45° NE NE
55° NE NE
45° NE NE
45° NE NE
40° NE NE
40° NE NE
40° NE NE
40° NE NE
45° NE NE
45° NE NE
65° NE ENE
30° NE NNE
35° NE NE
50° NE NE
50° NE NE
40° NE NE
75° E ENE
55° NE NE
55° NE NE
55° NE NE

0.4
0.3
0.3
0.3
0.3
0.3
0.2
0.2
0.2
0.2
0.2
0.2
0.1
0.2
0.1
0.1
0.1
0.3
0.2
0.2
0.3
0.3
0.3
0.3

4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
4
4
3
3
4
3
3
3
3

25
25
25
20
20
20
20
15
15
15
15
20
20
20
20
20
20
20
20
20
20
20
20
20

7.7
8.8
9.1
8.9
8.0
6.8
5.5
4.4
3.8
3.9
4.7
6.1
7.6
8.9
9.5
9.4
8.7
7.4
5.9
4.5
3.5
3.1
3.6
4.9

17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62

30
5
35
10
15
20
20
20
40
35
25
20
20
20
20
15
25
30
15
20
15
15
5
10

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

1023
1023
1023
1023
1022
1022
1023
1023
1023
1023
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022

0
0
0
0
0
0
0
0
1
2
2
3
2
1
1
0
0
0
0
0
0
0
0
0

12 54
12 54
12 53
12 53
11 52
11 52
11 52
12 54
13 55
14 57
15 59
16 60
16 61
16 61
16 61
16 61
16 60
15 59
15 58
14 58
14 56
13 55
12 54
11 53

8 46
8 46
7 45
7 45
7 45
7 44
7 45
9 48
11 51
12 54
14 58
15 59
15 58
14 58
13 56
12 54
11 51
10 50
10 49
9 48
9 47
8 47
8 46
7 45

16 29 5 8 18
16 29 5 8 18
16 29 5 8 18
16 29 5 8 18
16 29 5 8 18
15 28 4 8 17
15 27 4 8 17
15 27 4 8 17
15 27 4 8 17
15 27 4 8 17
15 28 4 8 17
16 29 5 8 18
17 31 5 9 19
17 31 5 9 19
17 31 5 9 19
16 30 5 8 19
17 31 5 9 19
18 33 5 9 21
19 35 5 10 22
19 36 5 10 22
19 35 5 10 22
18 34 5 9 21
18 33 5 9 21
18 33 5 9 21

0.9
0.9
0.8
0.7
0.7
0.7
0.6
0.6
0.6
0.6
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.8
0.8
0.7
0.7
0.8

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

Expert opinion

A northerly, moderate and mostly variable flow prevails over the North-East of the basin. Over the South and the West, it is southeasterly, moderate and mostly variable.

For Grève de Fonteny :
Warning strong breeze offshore.

We are 90% sure of the situation, because the cloud system may be more intense than predicted.

Fair weather with mostly clear skies. In the evening, skies with few clouds.
ESE force 4 in the morning becoming E force 5 in the middle of the day. Gusts reaching 22 knots in the evening. Smooth to slight sea. Low, short swell from NE. Excellent visibility.

Tides at Saint-Quay-Portrieux

55

High tide 05h03 9.15m

Low tide 11h27 3.78m

61

High tide 17h21 9.59m

www.shom.fr - © SHOM 2025

Consult the tides for October

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

-

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

Thu

23

-

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

Fri

24

-

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

Sat

25

-

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

Sun

26

-

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

Mon

27

-

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

Tue

28

-

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

Wed

29

-

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

Thu

30

-

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

Fri

31

-

- 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 Fonteny

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Quay-Portrieux