Weather Plage de Porcé - Detailed bulletin - Free 15-day Marine forecasts

Saint-Nazaire (44600)Longitude : -2°15’,1836 W Latitude : 47°15’,186 N Altitude : 0m

Fri

16

-

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

Sat

17

-

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

Sun

18

-

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

Mon

19

-

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

Tue

20

-

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

Wed

21

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

Thu

22

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

Fri

23

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

Sat

24

-

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

Sun

25

-

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

Mon

26

-

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

Tue

27

-

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

Wed

28

-

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

Thu

29

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

Fri

30

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

BULLETIN

(established in local time)

Reliability 95%

No gale warning.

Friday 16 may

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell height (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(%)

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

30

20

10

0

80

70

60

50

40

30

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

50° NE NE
50° NE NE
45° NE NE
40° NE NE
35° NE NE
35° NE NNE
25° NE NNE
15° N NNE
10° N N
10° N NNE
20° N NNE
25° NE NNE
30° NE NNE
35° NE NNE
35° NE NE
35° NE NE
40° NE NE
45° NE NE
50° NE NE
60° NE ENE
65° NE ENE
60° NE ENE
50° NE NE
40° NE NE

7 13 4 8 3
9 17 5 11 3
9 16 4 10 3
9 16 4 10 3
9 17 5 11 3
9 16 4 10 3
8 15 4 9 3
8 14 4 9 3
10 19 5 12 3
11 20 6 12 4
10 19 5 12 3
9 17 5 11 3
9 16 4 10 3
9 16 4 10 3
9 16 4 10 3
9 16 4 10 3
9 16 4 10 3
8 15 4 9 3
8 15 4 9 3
8 15 4 9 3
8 15 4 9 3
8 15 4 9 3
8 14 4 9 3
7 13 4 8 3

15 27 8 17 4
17 31 9 19 5
17 31 9 19 5
16 30 8 19 5
16 30 8 19 5
16 29 8 18 5
16 30 8 19 5
16 30 8 19 5
19 35 10 22 5
19 36 10 22 5
19 36 10 22 5
18 34 9 21 5
16 29 8 18 5
15 28 8 17 4
15 27 8 17 4
15 27 8 17 4
14 26 7 16 4
14 26 7 16 4
15 27 8 17 4
15 27 8 17 4
15 27 8 17 4
15 27 8 17 4
15 27 8 17 4
15 27 8 17 4

0.2
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

0.5
0.6
0.6
0.6
0.6
0.6
0.5
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6

0.2
0.1
0.2
0.2
0.1
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
0.2
0.2
0.2
0.2
0.2
0.1

240° SW WSW
245° SW WSW
245° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
235° SW SW
235° SW SW
235° SW SW
235° SW WSW
235° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
240° SW WSW
240° SW WSW

0.1
0.1
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
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2

10
10
10
10
10
10
10
11
11
12
11
10
10
10
9
9
9
9
8
8
8
8
9
9

180
170
170
160
150
140
140
140
150
150
150
150
140
130
120
120
110
100
100
100
110
110
120
120

1.9
2.2
2.9
3.9
4.8
5.3
5.2
4.9
4.2
3.4
2.7
2.1
1.8
1.9
2.4
3.3
4.3
4.9
5.0
4.7
4.3
3.6
3.0
2.4

14 58
15 58
15 59
15 59
15 59
15 59
15 59
15 59
15 58
15 58
14 58
14 58
14 57
14 57
14 57
14 57
14 57
14 56
14 56
14 56
14 56
14 57
14 57
14 57

0
35
45
40
35
40
40
30
0
0
0
0
0
0
0
0
0
0
0
0
0
5
20
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
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

1022
1021
1021
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020

6
6
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
4
5
6

19 66
20 67
20 68
21 69
21 69
20 69
20 67
18 65
16 61
15 59
14 57
13 55
12 54
11 52
10 51
10 49
8 46
7 44
9 47
12 53
14 57
15 60
17 62
18 64

25 78
24 75
24 75
23 74
22 71
20 68
18 65
16 60
13 55
11 52
10 50
10 49
9 48
8 46
7 45
7 44
5 41
4 39
7 44
11 53
15 59
18 64
20 68
22 71

8 14 3 4 9
2 4 1 1 2
2 4 1 1 2
5 9 2 3 6
6 12 3 3 7
8 15 3 4 9
11 20 4 6 12
17 31 5 9 19
18 33 5 9 21
18 34 5 9 21
18 33 5 9 21
17 32 5 9 20
17 31 5 9 19
17 31 5 9 19
17 31 5 9 19
17 31 5 9 19
17 31 5 9 19
16 30 5 8 19
16 29 5 8 18
15 27 4 8 17
13 25 4 7 16
12 22 4 6 14
9 17 3 5 11
6 11 2 3 7

0.4
0.4
0.4
0.3
0.3
0.3
0.5
0.6
0.6
0.7
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.4

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

Expert opinion

A northeasterly, moderate and mostly variable flow prevails over the South and the East of the basin. Over the North-West, it is southeasterly, moderate and mostly variable.

For Plage de Porcé :
No gale warning.

The reliability of the situation is assessed at 95%.

Relatively clear skies becoming changeable. In the evening, changeable skies clearing completely.
No precipitation. NE force 3 in the middle of the day becoming NNE force 4 in the evening. Gusts reaching 19 knots in the evening. Smooth sea. Low, fairly long swell from WSW. Excellent visibility.

Tides at Saint-Nazaire

68

Low tide 01h44 1.6m

High tide 07h05 5.18m

65

Low tide 13h57 1.86m

High tide 19h25 5.31m

www.shom.fr - © SHOM 2025

Consult the tides for May

Fri

16

-

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

Sat

17

-

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

Sun

18

-

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

Mon

19

-

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

Tue

20

-

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

Wed

21

-

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

Thu

22

-

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

Fri

23

-

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

Sat

24

-

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

Sun

25

-

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

Mon

26

-

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

Tue

27

-

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

Wed

28

-

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

Thu

29

-

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

Fri

30

-

- 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 Plage de Porcé

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Nazaire