Weather Plage de la Base Nautique - Detailed bulletin - Free 15-day Marine forecasts

Saint-Jean-de-Monts (85160)Lon : -2°5’,0334 W Lat : 46°47’,214 N Alt : 0m

Thu

08

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

Fri

09

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Sat

10

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Sun

11

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Mon

12

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Tue

13

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Wed

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Thu

15

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Fri

16

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Sat

17

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Sun

18

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Mon

19

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Tue

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Wed

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Thu

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BULLETIN

(* established in local time)

Reliability 85%

Wind alert - Warning strong gale offshore.

Thursday 8 jan

METEO CONSULT Run : 7/01 16Z Mesh : 1km Updated, 7h ago Update imminent

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)

60

50

40

30

20

10

110

100

90

80

70

60

50

40

30

20

10

0

70

60

50

40

30

20

15

10

5

0

3

0

15

10

5

0

55

50

45

40

35

30

                                    
                                                                         Fri 9
                                                            
                    01h
                
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                        Run : 7/01 16Z
                Mesh : 1km
                Updated, 7h ago
                Update imminent

Fri 9

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

275° W W
275° W W
275° W W
270° W W
270° W W
265° W W
265° W W
265° W W
260° W WSW
255° W WSW
250° W WSW
245° SW WSW
240° SW WSW
235° SW WSW
235° SW SW
230° SW SW
225° SW SW
230° SW SW
235° SW SW
255° W WSW
260° W W
265° W W
270° W W
270° W W

18 34 9 21 5
19 36 10 22 5
20 37 10 23 5
20 37 10 23 5
19 36 10 22 5
21 38 11 24 5
21 39 11 24 6
21 38 11 24 5
19 36 10 22 5
20 37 10 23 5
20 37 10 23 5
20 37 10 23 5
21 39 11 24 6
22 41 11 25 6
24 44 12 27 6
24 45 13 28 6
30 55 15 34 7
34 63 18 39 8
35 64 18 40 8
31 57 16 35 7
30 55 15 34 7
30 55 15 34 7
29 53 15 33 7
29 53 15 33 7

30 56 16 35 7
32 59 16 37 7
33 61 17 38 7
31 58 16 36 7
33 62 17 39 8
33 61 17 38 7
34 63 18 39 8
34 63 18 39 8
33 61 17 38 7
32 59 16 37 7
32 60 17 37 7
33 61 17 38 7
33 62 17 39 8
36 66 18 41 8
37 68 19 42 8
39 72 20 45 8
46 85 24 53 9
52 96 27 60 10
55 101 28 63 10
54 100 28 62 10
48 89 25 55 10
47 87 24 54 9
45 84 23 52 9
45 84 23 52 9

1.4
1.4
1.4
1.4
1.5
1.5
1.4
1.4
1.4
1.4
1.5
1.5
1.6
1.6
1.7
1.8
2
2.3
2.7
2.7
2.8
2.9
3
3

2.5
2.5
2.6
2.6
2.7
2.7
2.6
2.6
2.6
2.6
2.7
2.8
2.8
2.9
3.1
3.3
3.7
4.2
4.9
4.9
5
5.3
5.4
5.3

1.3
1.3
1
1.1
1
1.1
1.1
1
1
1
1.2
1.3
1.5
1.6
1.7
1.8
2
2.3
2.7
2.7
2.3
1.9
1.9
1.6

220° SW SW
220° SW SW
205° SW SSW
220° SW SW
225° SW SW
220° SW SW
220° SW SW
220° SW SW
220° SW SW
215° SW SW
210° SW SSW
200° S SSW
145° SE SE
125° SE SE
125° SE ESE
95° E E
95° E E
95° E E
150° SE SSE
165° S SSE
180° S S
200° S SSW
210° SW SSW
210° SW SSW

0.2
0.2
0.9
0.9
1.0
0.9
0.9
0.9
0.9
0.9
0.7
0.7
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.2
1.5
1.9
2.1
2.2

7
7
7
7
7
6
7
7
7
7
6
7
6
5
5
6
7
8
10
10
11
10
10
11

70
70
70
80
80
80
80
80
80
80
70
70
70
70
80
80
90
100
120
150
170
180
190
200

1.6
1.4
1.7
2.5
3.6
4.6
5.2
5.2
4.8
4.2
3.4
2.6
1.9
1.5
1.5
2.1
3.0
4.0
4.7
4.8
4.6
4.1
3.4
2.7

9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48
9 48

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
85
60
85
85
85

0.4
0.1
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0.6
0.6
0.6
0.3
0.1
0
0
0

-
-
-
-
-
-

100
90
55
55
50
45
40
30
0
0
0
0
0
0
20
35
65
70
65
55
50
45
35
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

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

1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1012
1011
1009
1008
1006
1005
1003
1002
1002
1003
1004
1004
1005

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

11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
11 52
10 51
10 50
10 50

5 42
5 41
5 40
5 40
5 41
5 40
5 40
5 41
5 41
5 41
5 42
6 43
6 42
6 42
5 41
5 40
4 38
3 37
3 37
3 37
3 37
2 35
2 35
2 35

25 46 6 13 29
25 47 6 13 29
26 48 6 13 30
26 49 6 14 30
26 48 6 13 30
27 50 7 14 31
27 50 7 14 31
27 50 7 14 31
26 48 6 13 30
26 48 6 13 30
26 48 6 13 30
25 47 6 13 29
28 51 7 14 32
28 52 7 14 32
30 56 7 16 35
32 60 7 17 37
36 67 8 19 42
40 75 9 21 47
40 75 9 21 47
38 70 8 19 43
37 69 8 19 43
37 69 8 19 43
37 68 8 19 42
37 69 8 19 43

2.3
2.4
2.5
2.5
2.6
2.6
2.6
2.6
2.5
2.4
2.4
2.5
2.6
2.8
3
3.4
4.1
4.8
5.1
5
5
5
5
4.9

Forecasts established in local time
Last updated 26min ago | Next update in 3h
Caption

Expert opinion

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

For Plage de la Base Nautique :
Warning strong gale offshore.

We are 85% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will begin.

Overcast skies. Risk of some spots of rain in the morning, light rain in late afternoon. In the evening, very cloudy skies to overcast.
Showers. W force 6 turning SW force 7 in the middle of the day then WSW force 8. Gusts reaching 55 knots in the evening. Slight sea becoming moderate in the middle of the day then rough. Low, short swell from SW then moderate, fairly long swell in the evening. Excellent visibility.

Tides at Fromentine

77

Low tide 02h06 1.4m

High tide 07h26 5.22m

72

Low tide 14h37 1.48m

High tide 19h41 4.83m

www.shom.fr - © SHOM 2026

Consult the tides for January

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Thu

08

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

Fri

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

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* +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 la Base Nautique

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Fromentine

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