Weather Grève de l'Isnain - Detailed bulletin - Free 15-day Marine forecasts

Saint-Quay-Portrieux (22410)Longitude : -2°50’,2836 W Latitude : 48°39’,486 N Altitude : 0m

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

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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

-

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

Thu

19

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

BULLETIN

(established in local time)

Reliability 80%

No gale warning.

Thursday 5 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)

25

20

15

10

5

40

30

20

10

15

10

5

0

25

20

15

10

5

10

5

0

0.5

0

3

0

20

15

10

5

65

60

55

50

45

Fri 6

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

260° W WSW
255° W WSW
255° W WSW
250° W WSW
240° SW WSW
240° SW WSW
230° SW SW
230° SW SW
230° SW SW
235° SW SW
245° SW WSW
255° W WSW
255° W WSW
255° W WSW
260° W W
255° W WSW
270° W W
260° W W
265° W W
250° W WSW
250° W WSW
240° SW WSW
235° SW SW
225° SW SW

8 15 4 9 3
7 13 4 8 3
9 16 4 10 3
9 16 4 10 3
9 16 4 10 3
9 16 4 10 3
9 16 4 10 3
9 17 5 11 3
9 17 5 11 3
10 19 5 12 3
12 22 6 14 4
12 23 6 14 4
12 22 6 14 4
12 22 6 14 4
11 20 6 12 4
10 18 5 11 3
11 20 6 12 4
10 18 5 11 3
10 18 5 11 3
9 17 5 11 3
8 14 4 9 3
8 14 4 9 3
7 13 4 8 3
7 13 4 8 3

16 29 8 18 5
14 26 7 16 4
16 29 8 18 5
17 31 9 19 5
16 30 8 19 5
16 30 8 19 5
16 29 8 18 5
16 30 8 19 5
16 29 8 18 5
18 33 9 21 5
20 37 10 23 5
21 38 11 24 5
21 39 11 24 6
21 38 11 24 5
21 38 11 24 5
19 36 10 22 5
19 36 10 22 5
19 36 10 22 5
20 37 10 23 5
19 35 10 22 5
17 32 9 20 5
16 30 8 19 5
14 26 7 16 4
15 28 8 17 4

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

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

255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
250° W WSW
255° W WSW
255° W WSW
255° W WSW
260° W WSW

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

6
6
6
6
6
6
6
6
6
7
8
8
8
7
7
5
6
6
6
5
5
5
6
7

50
90
80
80
80
80
90
90
90
90
80
80
80
70
80
80
80
80
50
100
100
110
120
120

4.5
5.4
6.5
7.7
8.5
8.8
8.5
7.7
6.6
5.5
4.6
4.0
4.0
4.6
5.7
7.0
8.1
8.8
8.9
8.3
7.3
6.1
5.0
4.2

16 60
16 60
16 60
16 60
16 60
15 60
15 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60

100
90
80
45
80
45
45
65
85
40
55
80
75
90
90
95
100
85
75
75
100
95
100
100

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.7
0.7
0.5
0
0
0
0
0
0

-
-
-
-
-
-
-
-
-
-

35
20
0
0
0
0
0
0
0
0
0
0
20
35
55
65
70
60
45
40
35
40
35
45

10
10
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1007
1008
1008
1009
1009
1010
1010
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012

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

14 57
14 57
14 56
13 56
13 55
12 54
12 53
12 54
13 55
14 56
14 58
15 59
16 60
17 62
16 62
16 61
17 63
17 63
17 63
17 62
17 62
16 61
15 60
15 58

11 52
11 52
11 51
10 50
10 49
9 48
9 48
9 48
10 49
11 52
12 54
14 58
16 61
18 64
16 60
14 57
15 59
16 61
16 60
16 61
15 59
14 58
13 55
12 54

13 25 4 7 16
14 26 4 7 16
16 29 5 8 18
16 30 5 8 19
16 29 5 8 18
16 30 5 8 19
16 29 5 8 18
16 30 5 8 19
17 31 5 9 19
17 31 5 9 19
18 33 5 9 21
17 32 5 9 20
16 30 5 8 19
14 26 4 7 16
12 22 4 6 14
11 20 4 6 12
9 17 3 5 11
10 19 3 5 12
10 18 3 5 11
8 14 3 4 9
6 12 3 3 7
5 10 2 3 6
5 10 2 3 6
9 17 3 5 11

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
0.7
0.7
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.6
0.6

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

Expert opinion

A westerly, moderate and mostly variable flow prevails over the whole area.

For Grève de l"Isnain :
No gale warning.

We are 80% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.

In the evening, overcast and misty, reduced visibility.
Drizzle. WSW wind force 3. Gusts reaching 16 knots in the evening. Smooth sea. Low, fairly long swell from WSW. Visibility reduced by mist.

Tides at Saint-Quay-Portrieux

43

High tide 02h52 8.7m

Low tide 09h36 4.1m

44

High tide 15h36 8.63m

Low tide 22h02 4.18m

www.shom.fr - © SHOM 2025

Consult the tides for June

Thu

05

-

- 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

-

- 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

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

Thu

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 l'Isnain

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Quay-Portrieux