Weather Saint-Nazaire - Detailed bulletin - Free 15-day Marine forecasts

Saint-Nazaire FRALongitude : -2°12’,198 W Latitude : 47°16’,002 N Altitude : 0m

Thu

18

-

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

Fri

19

-

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

Sat

20

-

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

Sun

21

-

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

Mon

22

-

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

Tue

23

-

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

Wed

24

-

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

Thu

25

-

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

Fri

26

-

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

Sat

27

-

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

Sun

28

-

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

Mon

29

-

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

Tue

30

-

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

Wed

01

-

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

Thu

02

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

BULLETIN

(established in local time)

Reliability 90%

No gale warning.

Thursday 18 september

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)

15

10

5

0

20

15

10

5

0

10

5

0

15

10

5

0

5

0

0.5

0

3

0

30

25

20

15

10

90

80

70

60

50

Fri 19

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

240° SW WSW
235° SW SW
230° SW SW
225° SW SW
220° SW SW
210° SW SSW
160° S SSE
140° SE SE
140° SE SE
135° SE SE
135° SE SE
130° SE SE
135° SE SE
145° SE SSE
165° S SSE
180° S S
175° S S
170° S S
140° SE SE
105° E ESE
90° E E
85° E E
95° E E
105° E ESE

4 7 2 4 2
4 7 2 4 2
4 7 2 4 2
4 7 2 4 2
3 6 2 4 2
3 5 1 3 1
3 5 1 3 1
4 8 2 5 2
4 8 2 5 2
4 8 2 5 2
5 9 3 6 2
5 9 3 6 2
3 6 2 4 2
2 4 1 2 1
2 3 1 2 1
2 4 1 2 1
2 4 1 2 1
2 3 1 2 1
1 2 1 1 1
1 2 1 1 1
2 4 1 2 1
3 5 1 3 1
4 8 2 5 2
5 9 3 6 2

7 13 4 8 3
6 11 3 7 -
6 11 3 7 -
6 11 3 7 -
6 11 3 7 -
5 10 3 6 2
5 10 3 6 2
6 12 3 7 3
8 14 4 9 3
8 15 4 9 3
9 17 5 11 3
10 19 5 12 3
10 19 5 12 3
9 17 5 11 3
8 15 4 9 3
8 14 4 9 3
8 14 4 9 3
6 12 3 7 3
6 11 3 7 2
5 10 3 6 2
4 8 2 5 2
5 9 3 6 2
6 11 3 7 -
7 13 4 8 3

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

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

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

235° SW SW
235° SW SW
230° SW SW
230° SW SW
230° SW SW
230° SW SW
230° SW SW
230° SW SW
230° SW SW
230° SW SW
235° SW SW
230° SW SW
230° SW SW
225° SW SW
230° SW SW
230° SW SW
230° SW SW
230° SW SW
230° SW SW
230° SW SW
230° SW SW
230° SW SW
235° SW SW
235° SW SW

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

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

140
140
150
160
170
180
190
190
170
160
160
150
150
160
170
170
170
170
180
160
160
150
140
140

3.9
4.5
4.9
4.9
4.5
3.8
3.0
2.3
2.0
2.1
2.5
3.2
3.9
4.6
5.1
5.2
5.0
4.3
3.4
2.5
1.8
1.6
1.8
2.5

19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 67
19 67
20 67
20 67
20 67
20 67
20 67
20 67
20 67
20 67
19 67

100
75
80
85
85
85
80
90
90
85
80
80
50
20
15
5
5
5
5
5
5
5
5
10

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
15
10
10
15
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1023
1023
1023
1022
1021
1021
1021
1020
1021
1021
1020
1020

0
0
0
0
0
0
0
0
0
1
1
2
4
5
5
4
2
1
0
0
0
0
0
0

16 61
16 60
16 60
16 60
16 60
16 60
15 59
15 59
16 60
17 62
18 64
19 66
20 68
21 70
22 71
22 72
23 73
23 73
22 72
21 70
20 68
19 66
18 64
17 63

15 58
14 58
14 57
14 57
14 58
15 58
14 57
13 56
14 58
17 62
19 66
22 71
26 80
28 83
29 85
29 85
29 84
28 82
26 79
24 75
19 66
18 64
16 61
15 60

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

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

Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Last updated 46min ago | Next update in 3h
Caption

Expert opinion

A southwesterly, strong and mostly variable flow prevails over the whole area.

For Saint-Nazaire :
No gale warning.

The reliability of the situation is assessed at 90%.

Very cloudy in the morning, changeable skies becoming relatively cloud-free in the afternoon. No precipitation. In the evening, skies gradually hazing over.
No precipitation. SE wind force 2 continuing all day. Gusts reaching 10 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from SW. Good visibility becoming excellent in the middle of the day.

Tides at Saint-Nazaire

54

High tide 03h40 4.92m

Low tide 09h15 2m

61

High tide 15h59 5.25m

Low tide 21h55 1.59m

www.shom.fr - © SHOM 2025

Consult the tides for September

Thu

18

-

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

Fri

19

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

Sat

20

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

Sun

21

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

Mon

22

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

Tue

23

-

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

Wed

24

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

Thu

25

-

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

Fri

26

-

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

Sat

27

-

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

Sun

28

-

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

Mon

29

-

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

Tue

30

-

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

Wed

01

-

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

Thu

02

-

- 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 port Saint-Nazaire

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Nazaire