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

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BULLETIN

(* established in local time)

Reliability 90%

Wind alert - Warning moderate gale offshore.

Saturday 14 feb

METEO CONSULT Run : 13/02 00Z Mesh : 1km Updated, 9h ago Update imminent

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell (m) (m)

Total sea (m)

Wind (m)

Swell direction

Swell height (m)

Swell period (s)

Wave length (m)

High tide (m)

Sea temp

Weather

Rain (mm) (mm)

Clouds:

Cloud cover (%)

Precipitation:

Amount of precipitation (mm)

Type of precipitation

Risks:

Precipitation risk (%)

Storm risk. (%)

Brightness:

Visibility (km)

Pressure (hPa)

UV

Temperature

Air temp

Perceived temp

Air temp

Perceived temp

Offshore

Offshore wind

Offshore sea (m)

40

30

20

10

0

70

60

50

40

30

20

10

0

20

15

10

5

0

50

40

30

20

10

0

10

5

0

5

0

3

0

10

5

0

-5

50

40

30

20

10

0

-10

                                    
                                                                         Sun 15
                                                            
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                        Run : 13/02 00Z
                Mesh : 1km
                Updated, 9h ago
                Update imminent

Sun 15

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

25° NE NNE
20° N NNE
20° N NNE
15° N NNE
15° N NNE
15° N NNE
10° N N
10° N N
10° N NNE
10° N N
5° N N
5° N N
5° N N
5° N N
350° N N
335° NW NNW
245° SW WSW
200° S SSW
195° S SSW
180° S S
180° S S
175° S S
170° S SSE
175° S S

21 39 11 24 6
22 40 11 25 6
23 43 12 27 6
23 42 12 26 6
22 41 11 25 6
21 39 11 24 6
20 37 10 23 5
19 36 10 22 5
17 32 9 20 5
16 29 8 18 5
14 26 7 16 4
12 22 6 14 4
10 18 5 11 3
7 13 4 8 3
5 9 3 6 2
2 4 1 2 1
2 3 1 2 1
4 7 2 4 2
5 10 3 6 2
8 14 4 9 3
10 18 5 11 3
12 23 6 14 4
15 27 8 17 4
17 31 9 19 5

33 61 17 38 7
35 65 18 40 8
37 68 19 42 8
37 69 19 43 8
35 65 18 40 8
33 62 17 39 8
33 61 17 38 7
31 58 16 36 7
29 54 15 34 7
26 48 13 30 6
24 44 12 27 6
21 39 11 24 6
18 33 9 21 5
15 27 8 17 4
11 20 6 12 4
8 15 4 9 3
5 9 3 6 2
6 11 3 7 -
9 16 4 10 3
12 22 6 14 4
17 31 9 19 5
22 40 11 25 6
26 48 13 30 6
30 56 16 35 7

1.2
1.3
1.3
1.3
1.3
1.2
1.2
1.2
1.2
1.1
1
0.9
0.8
0.7
0.6
0.5
0.4
0.4
0.3
0.3
0.3
0.3
0.3
0.3

1.2
1.3
1.3
1.3
1.3
1.2
1.2
1.2
1.1
1.1
0.5
0.3
0.1
0
0
0
0
0
0
0
0
0.1
0.1
0.2

265° W W
260° W W
170° S S
170° S S
170° S S
220° SW SW
220° SW SW
80° E E
45° NE NE
50° NE NE
35° NE NE
35° NE NE
35° NE NE
35° NE NE
35° NE NNE
30° NE NNE
30° NE NNE
30° NE NNE
30° NE NNE
50° NE NE
30° NE NNE
30° NE NNE
25° NE NNE
200° S SSW

0.2
0.2
0.1
0.1
0.1
0.1
0.1
0.1
0.2
0.2
0.9
0.8
0.8
0.7
0.6
0.5
0.4
0.4
0.3
0.3
0.3
0.2
0.2
0.2

7
7
5
5
5
4
4
4
6
5
5
5
5
5
5
5
5
5
5
4
5
5
8
8

40
50
60
60
60
60
60
60
50
50
50
45
45
45
40
40
40
45
130
190
110
100
160
150

7.6
8.5
8.8
8.6
7.8
6.7
5.6
4.6
4.0
4.0
4.6
5.7
7.0
8.2
8.9
8.9
8.3
7.3
6.0
4.9
4.0
3.8
4.2
5.3

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

100
100
100
100
90
80
85
80
80
75
75
75
80
75
85
100
100
100
100
100
100
100
100
100

0.8
0.2
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1

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

100
100
65
55
25
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
30
45
50
50

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

1004
1006
1008
1010
1012
1013
1015
1016
1017
1018
1019
1020
1020
1020
1021
1021
1021
1021
1021
1020
1020
1019
1017
1016

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

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

1 34
1 33
0 32
0 31
-1 31
0 31
0 0
1 34
2 36
4 38
5 40
5 41
5 42
6 42
5 41
5 41
5 40
4 39
3 37
2 36
1 35
1 33
0 32
0 31

25 47 6 13 29
26 48 6 13 30
27 50 7 14 31
26 49 6 14 30
26 48 6 13 30
25 46 6 13 29
24 45 6 13 28
23 42 6 12 26
21 38 5 11 24
19 35 5 10 22
17 31 5 9 19
14 26 4 7 16
11 21 4 6 13
8 15 3 4 9
5 10 2 3 6
3 5 1 1 3
2 3 1 1 2
4 7 2 2 4
8 14 3 4 9
11 20 4 6 12
15 28 4 8 17
18 34 5 9 21
21 39 6 11 24
23 43 6 12 27

2.2
2.5
2.6
2.6
2.5
2.4
2.3
2.2
2
1.8
1.6
1.4
1.2
1.1
1
0.9
0.8
0.7
0.6
0.6
0.6
0.7
0.9
1

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

Expert opinion

A northwesterly, moderate and very variable flow prevails over the East of the basin. Over the West, it is southerly, very strong and very variable.

For Grève de l"Isnain :
Warning moderate gale offshore.

The reliability of the situation is assessed at 90%.

Very cloudy skies with short clear spells. Light showers progressively dying out in the morning, no precipitation in the afternoon. In the evening, overcast skies.
Chance of light rain. NNE force 6 becoming N force 5 in the middle of the day then SSW force 3. Gusts reaching 37 knots in the morning. Slight sea becoming smooth to slight in the evening. Low, short swell from S. Excellent visibility.

Tides at Saint-Quay-Portrieux

45

High tide 05h05 8.79m

Low tide 11h33 3.94m

52

High tide 17h32 8.95m

Low tide 23h57 3.77m

www.shom.fr - © SHOM 2026

Consult the tides for February

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Sat

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

Sun

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

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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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