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

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

-

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

Fri

11

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

Sat

12

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

Sun

13

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

Mon

14

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

Tue

15

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

Wed

16

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

Thu

17

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

Fri

18

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

Sat

19

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

Sun

20

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

Mon

21

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

Tue

22

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BULLETIN

(established in local time)

Reliability 95%

No gale warning.

Tuesday 8 july

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)

20

15

10

5

0

40

30

20

10

0

10

5

0

25

20

15

10

5

0

10

5

0

0.5

0

3

0

25

20

15

10

5

80

70

60

50

40

Wed 9

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

325° NW NW
345° N NNW
350° N N
355° N N
360° N N
0° N N
0° N N
355° N N
350° N N
350° N NNW
340° N NNW
325° NW NNW
305° NW WNW
275° W W
270° W W
270° W W
260° W W
265° W W
265° W W
265° W W
260° W W
275° W W
295° NW WNW
340° N NNW

11 20 6 12 4
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
11 20 6 12 4
11 20 6 12 4
11 20 6 12 4
11 20 6 12 4
10 18 5 11 3
9 16 4 10 3
8 15 4 9 3
6 12 3 7 3
5 10 3 6 2
5 9 3 6 2
5 10 3 6 2
5 10 3 6 2
5 10 3 6 2
6 11 3 7 2
5 10 3 6 2
5 9 3 6 2
5 9 3 6 2
4 7 2 4 2
3 5 1 3 1
3 5 1 3 1

17 32 9 20 5
17 32 9 20 5
17 31 9 19 5
17 32 9 20 5
17 32 9 20 5
17 31 9 19 5
17 32 9 20 5
17 32 9 20 5
17 31 9 19 5
16 29 8 18 5
14 26 7 16 4
12 23 6 14 4
11 20 6 12 4
8 15 4 9 3
8 15 4 9 3
8 15 4 9 3
9 16 4 10 3
9 16 4 10 3
9 16 4 10 3
8 15 4 9 3
7 13 4 8 3
7 13 4 8 3
7 13 4 8 3
6 12 3 7 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
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1

0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.6
0.5
0.5
0.4
0.4
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
0.1
0.1
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0

265° W W
195° S SSW
195° S SSW
200° S SSW
195° S SSW
200° S SSW
195° S SSW
195° S SSW
200° S SSW
225° SW SW
270° W W
265° W W
265° W W
265° W W
265° W W
265° W W
265° W W
265° W W
345° N NNW
345° N NNW
345° N NNW
345° N NNW
345° N NNW
340° N NNW

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
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1

4
4
4
4
4
4
4
4
4
3
4
4
3
3
3
4
4
4
5
5
5
5
5
5

20
20
20
20
20
20
20
15
15
15
15
20
45
20
40
40
40
45
40
40
40
40
40
40

4.4
3.8
3.9
4.6
5.9
7.4
8.7
9.4
9.3
8.6
7.4
6.0
4.7
3.8
3.5
3.9
5.1
6.6
8.1
9.1
9.4
8.9
7.9
6.5

19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 66
19 66
19 66
19 66
19 66
19 66
19 67

55
50
45
50
45
35
35
35
30
15
5
5
0
5
5
20
30
35
35
45
75
55
75
70

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
10
5
5
3
2
2
0.8
0.6
4
10
>20

1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023

2
5
6
6
6
5
4
3
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1

18 64
19 65
19 66
19 66
19 66
19 65
18 65
18 65
18 64
18 64
17 63
16 61
15 59
14 57
13 56
13 55
13 55
12 54
12 54
12 54
12 54
14 57
16 60
17 63

17 63
20 68
21 69
21 70
21 69
20 69
20 67
19 65
18 64
17 62
15 60
14 57
13 55
12 54
11 52
11 51
10 51
10 50
10 50
10 50
11 51
13 56
17 62
19 67

14 26 4 7 16
12 22 4 6 14
11 21 4 6 13
11 20 4 6 12
10 19 3 5 12
10 19 3 5 12
11 20 4 6 12
10 19 3 5 12
10 18 3 5 11
10 19 3 5 12
10 19 3 5 12
10 19 3 5 12
10 18 3 5 11
9 16 3 4 10
9 16 3 4 10
8 15 3 4 9
8 14 3 4 9
7 13 3 4 8
6 11 2 3 7
5 10 2 3 6
5 9 2 3 6
5 9 2 3 6
4 8 2 2 5
4 7 2 2 4

0.8
0.8
0.7
0.7
0.6
0.6
0.5
0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.4
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3

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

Expert opinion

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

For Grève de l"Isnain :
No gale warning.

The reliability of the situation is assessed at 95%.

Good clear periods but with plenty of cloud in the morning, cloud and sun in the afternoon. No precipitation. In the evening, light cloudy spells.
NW force 4 in the morning temporarily N in the middle of the day. Gusts reaching 18 knots in the morning. Smooth to slight sea becoming smooth in the evening. Low, short swell from W. Excellent visibility becoming excellent in the evening.

Tides at Saint-Quay-Portrieux

50

Low tide 00h03 3.87m

High tide 05h56 9m

54

Low tide 12h29 3.78m

High tide 18h26 9.45m

www.shom.fr - © SHOM 2025

Consult the tides for July

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

Sat

12

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

Sun

13

-

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

Mon

14

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

Tue

15

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

Wed

16

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

Thu

17

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

Fri

18

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

Sat

19

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

Sun

20

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

Mon

21

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

Tue

22

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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