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

Saint-Quay-Portrieux (22410)Lon : -2°50’,2836 W Lat : 48°39’,486 N Alt : 0m

Fri

16

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

Sat

17

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Sun

18

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Mon

19

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Tue

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Wed

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Thu

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Fri

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Sat

24

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Sun

25

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Mon

26

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Tue

27

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Wed

28

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Thu

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Fri

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BULLETIN

(* established in local time)

Reliability 85%

No gale warning.

Friday 16 jan

METEO CONSULT Run : 16/01 11Z Mesh : 1km Updated, 1h ago Update in 5h

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)

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

15

10

5

0

55

50

45

40

35

                                    
                                                                         Sat 17
                                                            
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                        Run : 16/01 11Z
                Mesh : 1km
                Updated, 1h ago
                Update in 5h

Sat 17

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

185° S S
185° S S
180° S S
180° S S
180° S S
180° S S
170° S S
175° S S
180° S S
180° S S
185° S S
185° S S
185° S S
185° S S
190° S S
190° S S
190° S S
185° S S
180° S S
190° S S
190° S S
180° S S
165° S SSE
155° SE SSE

11 21 6 13 4
11 20 6 12 4
12 23 6 14 4
10 18 5 11 3
8 15 4 9 3
8 15 4 9 3
9 17 5 11 3
10 19 5 12 3
10 19 5 12 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
9 16 4 10 3
9 17 5 11 3
9 17 5 11 3
9 17 5 11 3
9 17 5 11 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
8 14 4 9 3

18 33 9 21 5
18 33 9 21 5
19 36 10 22 5
18 34 9 21 5
15 28 8 17 4
15 27 8 17 4
14 26 7 16 4
15 28 8 17 4
15 27 8 17 4
16 29 8 18 5
14 26 7 16 4
14 26 7 16 4
13 25 7 16 4
13 24 7 15 4
13 24 7 15 4
12 23 6 14 4
13 24 7 15 4
12 23 6 14 4
12 22 6 14 4
13 24 7 15 4
12 23 6 14 4
11 21 6 13 4
11 21 6 13 4
11 21 6 13 4

0.3
0.3
0.3
0.3
0.3
0.4
0.4
0.4
0.4
0.3
0.3
0.3
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.3
0.3
0.3

0.7
0.7
0.7
0.7
0.7
0.8
0.8
0.8
0.8
0.7
0.7
0.7
0.8
0.8
0.8
0.8
0.7
0.8
0.8
0.8
0.7
0.7
0.6
0.6

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

45° NE NE
45° NE NE
45° NE NE
45° NE NE
45° NE NE
45° NE NE
45° NE NE
45° NE NE
45° NE NE
45° NE NE
45° NE NE
95° E E
45° NE NE
45° NE NE
45° NE NE
45° NE NE
45° NE NE
45° NE NE
45° NE NE
45° NE NE
45° NE NE
45° NE NE
45° NE NE
45° NE NE

0.3
0.3
0.3
0.3
0.3
0.4
0.4
0.4
0.4
0.3
0.3
0.3
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.3
0.3
0.3

15
15
15
14
14
14
14
15
15
15
15
7
14
14
14
14
14
14
14
14
14
14
14
13

360
350
340
330
320
330
340
340
350
350
340
320
330
330
320
310
310
310
320
320
320
320
310
290

5.3
6.8
8.2
9.1
9.3
8.8
7.7
6.4
5.0
4.0
3.5
3.8
4.8
6.4
8.0
9.3
9.8
9.5
8.5
7.0
5.5
4.1
3.3
3.2

9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48

35
0
95
100
100
100
100
100
90
95
100
95
85
75
30
30
40
65
80
85
75
70
70
70

0.8
0.1
0.1
0.3
0.6
0.6
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

100
50
50
60
75
65
50
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
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
15
>20
>20
15
>20
>20

1006
1006
1006
1006
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1010
1011
1011
1012
1012
1012

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

10 51
10 50
10 50
9 49
9 48
8 47
8 47
8 46
8 46
7 45
7 45
7 45
7 45
7 44
6 44
6 43
6 43
6 42
5 42
5 42
6 42
7 44
8 47
9 48

9 48
8 47
7 44
6 43
6 42
5 42
5 41
4 39
4 39
4 39
4 39
4 38
4 39
3 38
3 38
3 37
3 37
3 37
2 36
2 36
3 37
5 42
7 45
9 47

14 26 4 7 16
14 26 4 7 16
15 28 4 8 17
13 25 4 7 16
13 24 4 7 15
13 24 4 7 15
13 25 4 7 16
15 27 4 8 17
15 27 4 8 17
14 26 4 7 16
13 25 4 7 16
15 27 4 8 17
15 27 4 8 17
13 24 4 7 15
13 25 4 7 16
13 25 4 7 16
13 25 4 7 16
13 25 4 7 16
13 25 4 7 16
13 24 4 7 15
11 21 4 6 13
11 20 4 6 12
11 21 4 6 13
11 20 4 6 12

0.8
0.8
0.8
0.8
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.8
0.8
0.8
0.7

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

Expert opinion

Low 993 hPa centered to the South-West of Ireland moving at 9 knots to the East-South-East and rising to 1001 hPa to be centered on the Celtic Sea.

For Grève de l"Isnain :
No gale warning.

We are 85% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.

Good clear periods but cloud building. Light showers. In the evening, very cloudy skies to overcast.
Showers becoming less frequent. S force 4 in the middle of the day becoming force 3 in the evening. Gusts reaching 19 knots in the middle of the day. Smooth to slight sea. Low, long swell from NE. Excellent visibility.

Tides at Saint-Quay-Portrieux

52

High tide 05h20 9.32m

Low tide 11h51 3.62m

56

High tide 17h45 9.32m

www.shom.fr - © SHOM 2026

Consult the tides for January

Go further

Fri

16

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

Sat

17

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

Sun

18

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

Mon

19

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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

Sat

24

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

Sun

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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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Thu

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

Fri

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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

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