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

Saint-Quay-Portrieux (22410)Long : -2°50’,2164 W Lat : 48°39’,414 N Alt : 0m

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

Mon

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Mon

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Tue

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Wed

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BULLETIN

(* established in local time)

Reliability 85%

Wind alert - Warning strong breeze offshore.

Sunday 21 dec

METEO CONSULT Run : 20/12 02Z Mesh : 1km Updated, 4h ago Update in 2h

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell (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 (%)

Storm 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

0

40

30

20

10

0

15

10

5

0

30

20

10

0

10

5

0

1

0.5

3

0

15

10

5

0

55

50

45

40

35

                                    
                                                                         Mon 22
                                                            
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                        Run : 20/12 02Z
                Mesh : 1km
                Updated, 4h ago
                Update in 2h

Mon 22

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

135° SE SE
130° SE SE
110° E ESE
110° E ESE
110° E ESE
125° SE SE
130° SE SE
120° SE ESE
120° SE ESE
115° SE ESE
115° SE ESE
115° SE ESE
120° SE ESE
105° E ESE
105° E ESE
105° E ESE
105° E ESE
115° SE ESE
125° SE SE
115° SE ESE
115° SE ESE
130° SE SE
140° SE SE
160° S SSE

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

16 30 8 19 5
17 32 9 20 5
18 34 9 21 5
17 31 9 19 5
17 31 9 19 5
21 38 11 24 5
19 36 10 22 5
18 34 9 21 5
17 31 9 19 5
17 31 9 19 5
17 31 9 19 5
15 28 8 17 4
14 26 7 16 4
12 22 6 14 4
12 23 6 14 4
12 22 6 14 4
11 21 6 13 4
10 19 5 12 -
10 18 5 11 3
9 17 5 11 3
11 21 6 13 4
16 29 8 18 5
17 32 9 20 5
19 35 10 22 5

0.5
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
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.5
0.5
0.5

1.1
1.2
1.2
1.3
1.4
1.4
1.4
1.5
1.5
1.4
1.4
1.4
1.4
1.3
1.3
1.3
1.2
1.2
1.2
1.2
1.1
1.1
1.1
1.1

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
0
0
0
0
0.1
0.1
0.1

355° N N
355° N N
355° N N
355° N N
360° N N
0° 0 0
0° N N
0° N N
0° N N
0° 0 0
0° 0 0
360° N N
360° N N
360° N N
360° N N
360° N N
355° N N
355° N N
355° N N
355° N N
355° N N
355° N N
355° N N
355° N N

0.5
0.5
0.6
0.6
0.6
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.5

14
15
15
15
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
13
13

270
260
270
270
280
280
280
290
290
300
310
310
310
310
310
310
310
310
310
300
300
290
260
250

10.4
9.6
8.1
6.3
4.5
3.2
2.6
3.1
4.5
6.4
8.4
9.8
10.3
9.7
8.5
6.8
5.0
3.6
2.9
3.1
4.3
6.2
8.2
9.8

11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
90
85

0.1
1
0.6
1.7
0.5
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0
0
0
0
0
0
0

-
-
-
-
-
-

100
100
80
65
60
0
25
20
0
20
30
30
35
40
60
65
50
35
30
25
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

5
10
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
10
10
10
10
5
5
5
5
>20
>20
>20

1002
1002
1002
1002
1003
1001
1000
1000
1000
1000
1000
1000
1000
1000
999
999
999
999
999
998
998
998
999
999

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

8 47
8 47
9 47
9 48
9 48
10 49
10 50
10 51
10 51
10 50
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
9 49
9 48
9 48
9 47
8 47

5 41
5 40
4 40
5 41
5 41
6 42
6 43
7 45
7 45
6 43
6 43
6 44
7 44
7 45
7 45
7 44
7 45
7 45
7 45
8 46
7 44
6 42
5 41
5 41

16 29 5 8 18
17 32 5 9 20
18 33 5 9 21
18 33 5 9 21
16 30 5 8 19
18 34 5 9 21
17 32 5 9 20
15 28 4 8 17
16 30 5 8 19
16 29 5 8 18
15 28 4 8 17
13 25 4 7 16
13 24 4 7 15
12 22 4 6 14
12 22 4 6 14
12 23 4 6 14
11 20 4 6 12
11 20 4 6 12
10 19 3 5 12
10 19 3 5 12
12 22 4 6 14
15 27 4 8 17
13 25 4 7 16
16 29 5 8 18

1
1
1.1
1.2
1.2
1.2
1.3
1.3
1.3
1.3
1.2
1.2
1.2
1.1
1.1
1
1
1
1
0.9
0.9
0.9
0.9
0.9

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

Expert opinion

Low 992 hPa centered at 90 nautical miles in the West-North-West of Belmullet (North-West Ireland) moving at 25 knots to the South-East and rising to 998 hPa to be centered on the North of the Bay of Biscay.

For Grève Noire :
Warning strong breeze offshore.

We are 85% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will fall.

Overcast with reduced visibility in the morning, overcast skies in the afternoon. Drizzle followed by showers in the morning, light showers dying away progressively in the afternoon. In the evening, overcast skies.
Showers towards the end of the night. SE force 4 in the morning becoming ESE force 3 in the evening. Gusts reaching 21 knots in the middle of the day. Slight sea. Low, long swell from N then from N in the middle of the day then from N. Visibility reduced by mist becoming excellent in the middle of the day then good.

Tides at Saint-Quay-Portrieux

73

Low tide 01h45 2.83m

High tide 07h33 10.52m

73

Low tide 14h07 2.64m

High tide 19h54 10.26m

www.shom.fr - © SHOM 2025

Consult the tides for December

Go further

Sun

21

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

Mon

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

Tue

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

Wed

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

Thu

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

Fri

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

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

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

Mon

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

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

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

Thu

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

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

Sat

03

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

Sun

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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 Noire

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Quay-Portrieux

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