Weather Plage des Grandes Vallées - Detailed bulletin - Free 15-day Marine forecasts

Pornic FRALon : -2°7’,416 W Lat : 47°6’,654 N Alt : 0m

Weather Risk Briefing

Sun

20

-

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

Mon

21

-

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

Tue

22

-

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

Wed

23

-

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

Thu

24

-

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

Fri

25

-

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

Sat

26

-

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

Sun

27

-

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

Mon

28

-

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

Tue

29

-

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

Wed

30

-

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

Thu

01

-

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

Fri

02

-

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

Sat

03

-

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

Sun

04

-

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

BULLETIN

Reliability 80%

No gale warning.

No weather risk at the spot

Sunday 20 sep

METEO CONSULT Run : 20/09 03Z Mesh : 1km Updated, 4h ago Update in 23min

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)

20

15

10

5

0

40

30

20

10

0

10

5

0

20

15

10

5

0

10

5

0

0.5

0

3

0

30

25

20

15

10

90

80

70

60

50

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

Mon 21

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

325° NW NW
315° NW NW
305° NW NW
295° NW WNW
285° W WNW
290° W WNW
290° W WNW
290° W WNW
300° NW WNW
305° NW NW
315° NW NW
335° NW NNW
0° N N
20° N NNE
25° NE NNE
30° NE NNE
35° NE NE
40° NE NE
40° NE NE
40° NE NE
40° NE NE
40° NE NE
50° NE NE
55° NE NE

3 6 2 4 2
4 8 2 5 2
6 11 3 7 2
7 13 4 8 3
8 15 4 9 3
9 17 5 11 3
9 17 5 11 3
10 18 5 11 3
10 18 5 11 3
9 16 4 10 3
8 15 4 9 3
7 13 4 8 3
6 12 3 7 3
7 13 4 8 3
7 13 4 8 3
8 14 4 9 3
8 15 4 9 3
8 15 4 9 3
8 14 4 9 3
8 14 4 9 3
8 15 4 9 3
8 14 4 9 3
7 13 4 8 3
7 13 4 8 3

8 14 4 9 3
10 18 5 11 3
11 21 6 13 4
13 25 7 16 4
14 26 7 16 4
15 28 8 17 4
16 29 8 18 5
16 30 8 19 5
16 30 8 19 5
16 29 8 18 5
14 26 7 16 4
12 23 6 14 4
11 20 6 12 4
12 22 6 14 4
11 21 6 13 4
12 22 6 14 4
13 24 7 15 4
13 24 7 15 4
12 23 6 14 4
12 22 6 14 4
12 23 6 14 4
12 23 6 14 4
12 23 6 14 4
12 23 6 14 4

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

0
0
0
0
0.1
0.1
0.2
0.2
0.2
0.2
0.1
0.1
0
0
0
0
0
0.1
0.1
0.1
0
0.1
0.1
0.1

260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W

0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3

9
9
7
9
9
9
8
7
7
7
7
7
7
7
7
7
9
9
9
9
10
10
10
10

130
130
140
140
140
130
120
120
120
120
120
120
120
130
120
140
130
120
130
140
150
150
150
150

4.1
4.3
4.4
4.4
4.2
3.9
3.6
3.3
3.2
3.2
3.4
3.6
3.8
4.0
4.2
4.3
4.3
4.1
3.8
3.5
3.3
3.2
3.3
3.6

20 67
20 68
20 68
20 68
20 68
20 69
20 69
20 69
20 69
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 67
20 67
20 67
20 67
20 67

0
0
0
40
60
40
10
10
15
10
25
10
10
15
20
35
50
55
55
45
55
65
75
80

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
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
15
15
10
5
10
10
5
5
5
10
5
3
5

1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1031
1031
1031
1031
1031
1032
1032
1031
1031
1032
1032
1032
1032

1
3
3
4
3
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

21 69
21 69
21 70
22 71
22 71
22 71
22 71
21 70
21 69
19 67
19 65
18 64
18 64
17 63
17 62
17 62
16 61
16 60
16 60
15 60
15 59
15 59
15 59
16 61

27 81
28 83
29 84
28 82
27 81
27 80
26 78
24 75
22 71
16 61
16 60
16 60
15 59
15 58
14 58
14 57
13 56
13 55
13 55
13 55
12 54
12 54
13 55
15 58

4 8 2 2 5
6 11 2 3 7
7 13 3 4 8
7 13 3 4 8
9 16 3 4 10
10 18 3 5 11
11 20 4 6 12
11 20 4 6 12
11 20 4 6 12
11 21 4 6 13
12 22 4 6 14
12 22 4 6 14
12 22 4 6 14
11 20 4 6 12
10 18 3 5 11
10 19 3 5 12
10 18 3 5 11
11 21 4 6 13
12 22 4 6 14
12 22 4 6 14
12 22 4 6 14
12 22 4 6 14
12 22 4 6 14
11 20 4 6 12

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
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9

Forecasts established in local time
Caption Glossary

Expert opinion

Bulletin météo de la zone côtière de St Nazaire aux Sables d'Olonne

Weather Risk Briefing

High 1027 hPa centered at 150 nautical miles in the West-South-West of the Île de Sein moving at 16 knots to the North-East and gaining strength to 1033 hPa to be centered on Wales.

For Plage des Grandes Vallées :
No gale warning.

We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.

Fair weather with mostly clear skies. In the evening, hazy cloud giving way to increasingly brighter skies.
No precipitation. NNW force 2 turning WNW force 3 in the middle of the day then NW. Gusts reaching 16 knots in the evening. Smooth to slight sea. Low, fairly long swell from W. Poor visibility becoming excellent in the middle of the day then good.

semaphore stations

Station Pte De Chemoulin located 19 km from Plage des Grandes Vallées

	WIND			WEATHER
Local time	Dir. (°)	Speed (nd)	Gust (nd)	Temp. (°C)	Pressure (hPa)	Visibility (M)
11h	280	4	8	-	-	14
10h	280	4	5	-	-	0
09h	300	4	6	-	-	0

Nearby signal stations

Météo France - RADOME

Signal station weather

Tides at Pornic

22

Low tide 06h07 3.29m

High tide 13h37 4.44m

Low tide 18h58 3.19m

Consult the tides for September

Go further

Sun

20

-

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

Mon

21

-

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

Tue

22

-

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

Wed

23

-

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

Thu

24

-

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

Fri

25

-

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

Sat

26

-

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

Sun

27

-

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

Mon

28

-

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

Tue

29

-

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

Wed

30

-

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

Thu

01

-

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

Fri

02

-

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

Sat

03

-

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

Sun

04

-

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

Weather beach Plage des Grandes Vallées

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

semaphore stations

Tides at Pornic

Go further