Weather Grève Noire - Detailed bulletin - Free 15-day Marine forecasts

Saint-Quay-Portrieux (22410)Longitude : -2°50’,2164 W Latitude : 48°39’,414 N Altitude : 0m

Sun

24

-

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

Mon

25

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

Tue

26

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

Wed

27

-

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

Thu

28

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

Fri

29

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

Sat

30

-

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

Sun

31

-

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

Mon

01

-

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

Tue

02

-

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

Wed

03

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

Thu

04

-

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

Fri

05

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

Sat

06

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

Sun

07

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

BULLETIN

(established in local time)

Reliability 90%

No gale warning.

Sunday 24 august

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

40

30

20

10

0

10

5

0

20

15

10

5

10

5

0

0.5

0

3

0

40

30

20

10

90

80

70

60

50

Mon 25

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

110° E ESE
115° SE ESE
135° SE SE
145° SE SSE
145° SE SE
150° SE SSE
150° SE SSE
150° SE SSE
155° SE SSE
155° SE SSE
150° SE SSE
150° SE SSE
145° SE SE
135° SE SE
140° SE SE
150° SE SSE
160° S SSE
170° S S
190° S S
200° S SSW
250° W WSW
295° NW WNW
285° W WNW
290° W WNW

6 11 3 7 2
5 10 3 6 2
5 9 3 6 2
5 10 3 6 2
6 11 3 7 2
7 13 4 8 3
7 13 4 8 3
7 13 4 8 3
6 12 3 7 3
7 13 4 8 3
8 14 4 9 3
8 15 4 9 3
8 15 4 9 3
8 15 4 9 3
8 15 4 9 3
8 14 4 9 3
8 15 4 9 3
8 15 4 9 3
9 16 4 10 3
9 16 4 10 3
6 11 3 7 2
6 11 3 7 2
6 11 3 7 2
7 13 4 8 3

11 21 6 13 4
12 22 6 14 4
10 19 5 12 3
9 17 5 11 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
11 20 6 12 4
13 24 7 15 4
13 25 7 16 4
13 25 7 16 4
13 25 7 16 4
13 25 7 16 4
13 25 7 16 4
14 26 7 16 4
15 27 8 17 4
15 28 8 17 4
16 30 8 19 5
15 27 8 17 4
14 26 7 16 4
13 25 7 16 4
12 22 6 14 4

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
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.3
0.3
0.3

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
0.4
0.4
0.4
0.5
0.5
0.6
0.6
0.6

0.1
0
0
0
0
0
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
0.1
0
0
0

55° NE NE
55° NE NE
50° NE NE
50° NE NE
50° NE NE
50° NE NE
45° NE NE
50° NE NE
45° NE NE
40° NE NE
35° NE NE
35° NE NE
35° NE NE
40° NE NE
60° NE ENE
55° NE NE
55° NE NE
55° NE NE
60° NE ENE
70° E ENE
40° NE NE
30° NE NNE
30° NE NNE
25° NE NNE

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
0.1
0.1
0.2
0.2
0.2
0.3
0.3
0.3

3
3
3
4
4
4
4
4
4
5
5
5
5
6
5
7
7
7
6
8
14
14
15
16

20
20
25
25
30
30
30
25
25
110
100
170
170
170
160
160
90
210
400
390
390
390
410
430

9.3
7.2
4.9
3.0
1.8
1.7
2.9
5.1
7.7
9.9
11.1
10.9
9.7
7.7
5.5
3.4
2.1
1.8
2.8
4.9
7.5
9.9
11.3
11.3

21 69
21 69
21 69
21 69
21 69
21 69
21 69
20 69
20 69
20 69
20 69
20 69
20 69
20 69
21 69
21 69
21 70
21 70
21 70
21 71
21 71
21 70
21 70
21 70

10
5
10
25
15
10
10
30
20
35
15
5
0
0
0
0
5
10
20
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
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

1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013
1012
1012
1011
1012
1012
1012

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

20 67
19 67
19 66
18 65
18 65
18 64
18 64
17 63
16 61
15 59
17 62
21 69
23 73
24 76
26 78
27 80
27 81
28 83
28 83
28 83
27 80
25 76
22 72
20 68

17 63
17 63
17 62
16 62
16 60
15 60
15 59
15 58
13 56
13 55
15 59
23 73
26 79
29 84
29 84
31 87
31 88
32 89
31 87
29 84
27 81
27 80
23 73
20 69

11 21 4 6 13
13 25 4 7 16
12 22 4 6 14
11 20 4 6 12
10 19 3 5 12
11 20 4 6 12
10 19 3 5 12
11 20 4 6 12
11 21 4 6 13
11 21 4 6 13
12 22 4 6 14
11 21 4 6 13
9 17 3 5 11
8 14 3 4 9
7 13 3 4 8
7 13 3 4 8
8 14 3 4 9
9 17 3 5 11
10 18 3 5 11
8 15 3 4 9
2 3 1 1 2
6 12 3 3 7
9 17 3 5 11
12 23 4 6 14

0.6
0.6
0.6
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
0.3
0.3
0.4
0.4
0.4
0.5
0.6
0.6

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

Expert opinion

An easterly and mostly variable flow prevails over the South-East of the basin. Over the West, it is southerly, moderate and variable. Over the North-East, it is northwesterly, moderate and mostly variable.

For Grève Noire :
No gale warning.

We are 90% sure of the situation, because the cloud cover could be thicker than forecast.

In the evening, skies with few clouds.
ENE wind force 3. Gusts reaching 12 knots in the evening. Smooth sea. Low, short swell from NE. Excellent visibility.

Tides at Saint-Quay-Portrieux

91

Low tide 03h01 1.68m

High tide 08h47 11.09m

92

Low tide 15h14 1.82m

High tide 20h58 11.44m

www.shom.fr - © SHOM 2025

Consult the tides for August

Sun

24

-

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

Mon

25

-

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

Tue

26

-

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

Wed

27

-

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

Thu

28

-

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

Fri

29

-

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

Sat

30

-

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

Sun

31

-

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

Mon

01

-

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

Tue

02

-

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

Wed

03

-

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

Thu

04

-

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

Fri

05

-

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

Sat

06

-

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

Sun

07

-

- 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 Noire

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Quay-Portrieux