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

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

Sun

23

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

Mon

24

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

Tue

25

-

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

Wed

26

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

Thu

27

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

Fri

28

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

Sat

01

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

Sun

02

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

Mon

03

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

Tue

04

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

Wed

05

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

Thu

06

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

Fri

07

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

Sat

08

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

Sun

09

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BULLETIN

(established in local time)

Reliability 90%

Wind alert - Warning strong breeze offshore.

Sunday 23 february

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)

40

30

20

10

70

60

50

40

30

20

15

10

5

40

30

20

10

5

0

1

0.5

9

6

3

0

15

10

5

60

55

50

45

40

Mon 24

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

175° S S
185° S S
185° S S
190° S S
195° S SSW
195° S SSW
195° S SSW
190° S S
185° S S
190° S S
185° S S
185° S S
185° S S
185° S S
185° S S
185° S S
190° S S
190° S S
195° S SSW
195° S SSW
195° S SSW
200° S SSW
210° SW SSW
215° SW SW

13 24 7 15 4
13 25 7 16 4
15 28 8 17 4
15 28 8 17 4
15 28 8 17 4
15 27 8 17 4
13 25 7 16 4
13 25 7 16 4
14 26 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
17 31 9 19 5
17 31 9 19 5
17 32 9 20 5
18 33 9 21 5
18 33 9 21 5
17 32 9 20 5
18 33 9 21 5
18 34 9 21 5
18 34 9 21 5
17 32 9 20 5

22 41 11 25 6
23 43 12 27 6
26 49 14 30 6
26 49 14 30 6
26 49 14 30 6
26 49 14 30 6
25 47 13 29 6
24 45 13 28 6
24 45 13 28 6
25 46 13 29 6
26 48 13 30 6
27 50 14 31 7
28 51 14 32 7
28 52 14 32 7
29 53 15 33 7
29 53 15 33 7
30 56 16 35 7
31 58 16 36 7
31 58 16 36 7
30 55 15 34 7
32 60 17 37 7
33 62 17 39 8
33 62 17 39 8
34 63 18 39 8

0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7

1.2
1.2
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4

0.2
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.2
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.2
0.2
0.1

215° SW SW
215° SW SW
215° SW SW
220° SW SW
220° SW SW
225° SW SW
225° SW SW
225° SW SW
225° SW SW
220° SW SW
220° SW SW
235° SW WSW
235° SW WSW
235° SW WSW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
240° SW WSW
235° SW WSW
235° SW SW
235° SW SW
235° SW SW

0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.7
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.7
0.7

14
14
13
12
10
8
8
10
10
10
10
9
10
10
9
9
10
10
10
11
11
11
11
11

280
250
240
240
230
240
220
210
200
140
100
130
120
120
120
120
120
130
140
150
160
170
180
190

3.8
4.1
4.3
4.3
4.2
3.9
3.4
3.0
2.7
2.7
2.9
3.3
3.7
4.2
4.5
4.7
4.6
4.2
3.6
3.0
2.6
2.4
2.5
2.8

10 49
10 49
10 49
10 49
10 49
10 49
10 50
10 50
10 50
10 50
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49

75
95
100
85
75
80
85
90
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.9
2.1

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

0
0
0
0
0
0
0
0
0
0
20
0
0
0
0
0
0
25
30
40
25
45
65
90

10
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1028
1027
1027
1026
1026
1025
1025
1025
1025
1024
1024
1024
1024
1023
1023
1022
1021
1021
1020
1019
1019
1018
1018
1018

2
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

11 52
12 53
12 54
13 55
13 55
12 54
12 53
12 53
11 52
11 52
11 52
11 52
11 53
12 53
12 53
12 53
12 53
12 53
12 53
12 54
12 54
12 54
12 53
12 53

8 46
9 48
9 48
10 50
10 50
10 49
7 45
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 43
6 43
6 43
6 43

19 35 5 10 22
19 35 5 10 22
21 39 6 11 24
21 39 6 11 24
21 39 6 11 24
21 39 6 11 24
22 40 6 11 25
23 42 6 12 26
22 41 6 11 25
22 41 6 11 25
23 42 6 12 26
23 43 6 12 27
23 43 6 12 27
24 44 6 12 27
25 46 6 13 29
26 48 6 13 30
26 49 6 14 30
26 49 6 14 30
27 50 7 14 31
28 52 7 14 32
26 49 6 14 30
25 46 6 13 29
23 42 6 12 26
17 32 5 9 20

1.1
1.2
1.2
1.2
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.2
1.2
1.3
1.3
1.3
1.4
1.4
1.5
1.5
1.5
1.5
1.4
1.4

Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Last updated 1h ago | Next update in 2h
Caption

Expert opinion

A southwesterly gale prevails over the whole area.

For Saint-Nazaire :
Warning strong breeze offshore.

We are 90% sure of the situation, because flows might be far more disturbed than forecast.

Very cloudy skies with short clear spells. No precipitation. In the evening, overcast skies.
Chance of light rain. S force 4 in the morning becoming force 5 in the evening. Gusts reaching 28 knots in the evening. Smooth to slight sea becoming slight in the middle of the day. Low, long swell from SW. Poor visibility becoming excellent in the middle of the day then excellent.

Tides at Saint-Nazaire

26

High tide 01h17 4.38m

Low tide 06h43 2.7m

30

High tide 13h59 4.35m

Low tide 19h34 2.67m

www.shom.fr - © SHOM 2025

Consult the tides for February

Sun

23

-

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

Mon

24

-

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

Tue

25

-

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

Wed

26

-

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

Thu

27

-

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

Fri

28

-

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

Sat

01

-

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

Sun

02

-

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

Mon

03

-

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

Tue

04

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

Wed

05

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

Thu

06

-

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

Fri

07

-

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

Sat

08

-

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

Sun

09

-

- 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