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

03

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Sat

04

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Sun

05

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Mon

06

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Tue

07

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Wed

08

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Thu

09

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Fri

10

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Sat

11

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Sun

12

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Mon

13

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Tue

14

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Wed

15

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Thu

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Fri

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BULLETIN

Reliability 85%

Warning strong breeze offshore.

No weather risk at the spot

Friday 3 apr

METEO CONSULT Run : 2/04 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)

legend.title.wave_height

Total sea (m)

legend.title.wind_sea

Wind (m)

legend.title.swell

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)

25

20

15

10

5

50

40

30

20

10

15

10

5

0

30

20

10

0

10

5

0

0.5

0

3

0

15

10

5

0

60

55

50

45

40

35

                                    
                                                                         Sat 4
                                                            
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                        Run : 2/04 00Z
                Mesh : 1km
                Updated, 9h ago
                Update imminent

Sat 4

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

235° SW SW
230° SW SW
225° SW SW
220° SW SW
220° SW SW
225° SW SW
230° SW SW
235° SW SW
240° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
250° W WSW
250° W WSW
255° W WSW
255° W WSW
255° W WSW
260° W W
255° W WSW
245° SW WSW
240° SW WSW
245° SW WSW
245° SW WSW
235° SW SW

8 14 4 9 3
9 16 4 10 3
9 17 5 11 3
10 18 5 11 3
12 22 6 14 4
12 23 6 14 4
11 21 6 13 4
13 24 7 15 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
13 25 7 16 4
13 24 7 15 4
12 22 6 14 4
11 21 6 13 4
10 19 5 12 3
9 17 5 11 3
9 17 5 11 3
9 17 5 11 3
8 15 4 9 3
9 16 4 10 3

13 24 7 15 4
15 28 8 17 4
17 31 9 19 5
18 33 9 21 5
21 39 11 24 6
22 40 11 25 6
22 40 11 25 6
23 42 12 26 6
24 44 12 27 6
24 45 13 28 6
23 42 12 26 6
23 42 12 26 6
22 40 11 25 6
22 40 11 25 6
22 41 11 25 6
22 41 11 25 6
21 39 11 24 6
19 36 10 22 5
18 34 9 21 5
17 32 9 20 5
17 32 9 20 5
17 31 9 19 5
16 30 8 19 5
16 30 8 19 5

0.3
0.2
0.3
0.3
0.2
0.2
0.2
0.2
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4

0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
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
0.2
0.1
0.1

340° N NNW
345° N NNW
260° W W
260° W W
265° W W
260° W W
345° N NNW
35° NE NE
260° W W
260° W W
260° W W
260° W W
260° W W
345° N NNW
345° N NNW
35° NE NE
35° NE NE
35° NE NE
35° NE NE
35° NE NE
35° NE NE
35° NE NE
35° NE NE
35° NE NE

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
0.3
0.3
0.4
0.4
0.4
0.4
0.4
0.4

7
7
6
6
6
7
9
10
7
7
7
7
8
10
10
8
8
8
8
11
11
11
11
11

60
70
60
120
120
130
140
150
140
150
150
200
180
180
160
180
180
180
170
190
190
180
200
200

2.2
1.5
2.1
4.0
6.6
9.2
10.9
11.3
10.5
8.8
6.6
4.4
2.6
1.6
1.8
3.3
5.7
8.3
10.4
11.2
10.8
9.3
7.2
4.9

11 51
10 51
10 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51
11 51

60
60
25
100
100
100
100
100
100
100
100
100
100
100
95
95
90
95
90
90
80
85
90
90

0.9
1.7
0.1
0.5
0.3
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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

100
100
100
90
80
60
50
45
40
30
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

1021
1021
1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1021
1021

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

9 47
8 47
8 47
8 47
9 48
9 48
10 50
11 51
11 52
12 53
12 54
13 55
13 56
14 56
14 57
14 57
14 57
14 56
13 56
13 55
12 54
12 53
12 53
12 53

6 43
6 42
5 41
5 40
5 40
5 41
6 42
6 44
7 45
8 47
9 49
10 50
11 51
11 52
12 53
12 54
11 53
11 51
10 50
9 49
9 48
9 48
9 48
9 47

12 23 4 6 14
13 25 4 7 16
14 26 4 7 16
15 27 4 8 17
16 29 5 8 18
16 30 5 8 19
16 29 5 8 18
15 27 4 8 17
16 29 5 8 18
15 28 4 8 17
15 27 4 8 17
14 26 4 7 16
13 24 4 7 15
12 22 4 6 14
12 22 4 6 14
12 22 4 6 14
12 23 4 6 14
13 25 4 7 16
12 22 4 6 14
11 20 4 6 12
11 21 4 6 13
11 20 4 6 12
11 20 4 6 12
10 19 3 5 12

0.6
0.6
0.6
0.6
0.7
0.7
0.7
0.7
0.8
0.8
0.8
0.9
0.9
0.9
0.9
0.9
1
1
1
1
1
1
1
0.9

Forecasts established in local time
Caption Glossary

Expert opinion

A westerly, strong and very variable flow prevails over the whole area.

For Grève de l"Isnain :
Warning strong breeze offshore.

The reliability of the situation is assessed at 85%.

Overcast skies. Rain gradually becoming less frequent in the morning, no precipitation in the afternoon. In the evening, very cloudy.
No precipitation. SW wind force 4 continuing all day. Gusts reaching 24 knots in the morning. Smooth sea becoming smooth to slight in the middle of the day. Low, short swell from W then fairly long from NE in the middle of the day. Excellent visibility.

Tides at Saint-Quay-Portrieux

93

Low tide 03h05 1.53m

High tide 08h46 11.34m

91

Low tide 15h24 1.53m

High tide 21h05 11.22m

www.shom.fr - © SHOM 2026 - Local times

Consult the tides for April

Go further

Fri

03

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

Sat

04

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

Sun

05

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

Mon

06

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

Tue

07

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

Wed

08

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

Thu

09

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

Fri

10

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

Sat

11

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

Sun

12

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

Mon

13

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

Tue

14

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Wed

15

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Thu

16

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

Fri

17

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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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