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

Saint-Nazaire FRALon : -2°12’,198 W Lat : 47°16’,002 N Alt : 0m

Tue

20

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Wed

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Thu

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Fri

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Sat

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Sun

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Mon

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Tue

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Wed

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Thu

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Fri

30

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Sat

31

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Sun

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Mon

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Tue

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BULLETIN

(* established in local time)

Reliability 85%

Wind alert - Warning fresh gale offshore.

Tuesday 20 jan

METEO CONSULT Run : 20/01 06Z Mesh : 1km Updated, 4h ago Update in 2h

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell (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 (%)

Storm risk.(%)

Visibility(km)

Pressure(hPa)

UV

Temperature

Air temp

Perceived temp

Air temp

Perceived temp

Offshore

Offshore wind

Offshore sea (m)

50

40

30

20

10

80

70

60

50

40

30

20

10

25

20

15

10

5

50

40

30

20

10

5

0

1

0.5

0

9

6

3

0

15

10

5

0

55

50

45

40

35

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

Wed 21

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

165° S SSE
170° S S
170° S S
170° S S
175° S S
180° S S
195° S SSW
205° SW SSW
205° SW SSW
200° S SSW
205° SW SSW
195° S SSW
200° S SSW
195° S SSW
190° S S
185° S S
180° S S
180° S S
175° S S
175° S S
170° S S
175° S S
170° S S
170° S S

21 38 11 24 5
23 42 12 26 6
23 43 12 27 6
23 43 12 27 6
22 41 11 25 6
23 43 12 27 6
21 38 11 24 5
18 34 9 21 5
18 34 9 21 5
13 24 7 15 4
11 20 6 12 4
10 18 5 11 3
11 21 6 13 4
13 25 7 16 4
15 27 8 17 4
17 31 9 19 5
17 31 9 19 5
21 38 11 24 5
21 39 11 24 6
23 42 12 26 6
23 42 12 26 6
24 45 13 28 6
24 45 13 28 6
23 43 12 27 6

35 64 18 40 8
39 72 20 45 8
40 74 21 46 8
40 74 21 46 8
40 74 21 46 8
40 74 21 46 8
40 75 21 47 9
38 71 20 44 8
35 64 18 40 8
28 52 14 32 7
23 42 12 26 6
21 38 11 24 5
21 38 11 24 5
23 43 12 27 6
26 48 13 30 6
29 53 15 33 7
28 51 14 32 7
35 65 18 40 8
38 70 19 43 8
39 72 20 45 8
40 74 21 46 8
42 77 21 48 9
43 79 22 49 9
41 76 21 47 9

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

1.5
1.5
1.5
1.4
1.4
1.4
1.2
1.2
1.3
1.3
1.3
1.2
1.3
1.5
1.5
1.5
1.4
1.4
1.4
1.5
1.6
1.6
1.6
1.5

0.5
0.5
0.5
0.5
0.4
0.4
0.3
0.4
0.3
0.2
0.2
0.1
0.3
0.4
0.4
0.4
0.4
0.4
0.4
0.5
0.6
0.6
0.6
0.6

255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
185° S S
215° SW SW
220° SW SW
225° SW SW
225° SW SW
220° SW SW
225° SW SW
215° SW SW
215° SW SW
255° W WSW
260° W W
260° W WSW
260° W WSW
255° W WSW
255° W WSW
250° W WSW
255° W WSW
255° W WSW
250° W WSW

0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.5
0.6
0.6
0.6
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4

12
11
11
8
8
7
9
10
10
10
10
11
15
15
12
8
7
7
7
8
11
11
11
11

120
120
120
120
120
110
100
100
100
240
270
280
170
120
120
120
130
130
120
110
100
90
90
90

1.5
2.3
3.5
4.6
5.4
5.5
5.2
4.4
3.4
2.5
1.7
1.3
1.5
2.2
3.4
4.6
5.5
5.9
5.6
4.9
3.9
2.8
1.9
1.3

9 47
9 47
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 47
9 47
9 47
9 47
9 47
9 48
9 48
9 48
9 47
9 47
9 47
9 47
9 47
9 47

35
65
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

0
0
0
0
1
2.2
2.4
4.4
3.6
0.6
0.6
0.9
0.5
0.7
0.7
0.8
0.8
0.6
0.8
0.9
0.8
0.9
1.4
2

-
-
-

0
0
0
20
55
85
90
90
90
90
80
60
65
75
90
90
90
90
90
90
90
90
90
90

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

15
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1009
1008
1006
1006
1005
1005
1005
1004
1004
1004
1003
1003
1003
1002
1001
1000
998
997
996
995
994
993
992
991

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

11 51
11 52
11 52
11 51
10 51
10 49
9 49
9 48
9 48
9 48
9 47
9 48
9 48
9 49
10 49
10 49
10 49
10 50
10 51
11 51
11 51
11 51
10 51
11 51

7 44
7 44
6 43
5 40
4 38
3 37
3 37
3 37
3 37
4 40
5 40
5 41
5 41
5 40
5 40
4 40
4 40
3 38
4 39
4 38
4 38
3 38
3 38
4 38

31 58 7 16 36
35 65 8 18 40
35 65 8 18 40
33 61 7 17 38
28 51 7 14 32
25 46 6 13 29
17 32 5 9 20
15 28 4 8 17
15 27 4 8 17
14 26 4 7 16
12 23 4 6 14
13 25 4 7 16
11 20 4 6 12
13 25 4 7 16
19 35 5 10 22
21 39 6 11 24
25 47 6 13 29
30 56 7 16 35
34 63 8 18 39
35 64 8 18 40
35 64 8 18 40
34 63 8 18 39
35 64 8 18 40
32 60 7 17 37

2.1
2.3
2.3
2.1
2
1.9
1.8
1.8
1.7
1.7
1.6
1.5
1.5
1.5
1.7
1.8
1.8
1.9
2.1
2.3
2.4
2.4
2.4
2.3

Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Last updated 0min ago | Next update in 3h
Caption

Expert opinion

A southeasterly, very strong and variable flow prevails over the East of the basin. Over the West, it is westerly, strong and mostly variable.

For Saint-Nazaire :
Warning fresh gale offshore.

The reliability of the situation is assessed at 85%.

Very cloudy skies becoming totally overcast. Light rain in the early hours. In the evening, overcast skies.
Rain followed by showers. S wind force 6 from the middle of the day. Gusts reaching 40 knots in the evening. Slight sea. Low, fairly long swell from WSW. Good visibility becoming excellent in the evening.

Tides at Saint-Nazaire

81

High tide 05h27 5.8m

Low tide 12h06 1.21m

83

High tide 17h44 5.56m

www.shom.fr - © SHOM 2026

Consult the tides for January

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Tue

20

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

Wed

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

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Fri

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

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

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

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Sun

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Mon

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

Tue

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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 port Saint-Nazaire

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Nazaire

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