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

Saint-Jean-de-Monts (85160)Longitude : -2°5’,0334 W Latitude : 46°47’,214 N Altitude : 0m

Tue

16

-

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

Wed

17

-

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

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

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

Tue

30

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

BULLETIN

(established in local time)

Reliability 85%

No gale warning.

Tuesday 16 december

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

0

40

30

20

10

0

10

5

0

20

15

10

5

0

10

5

0

2

1.5

1

3

0

15

10

5

0

60

55

50

45

40

35

Wed 17

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

125° SE SE
120° SE ESE
110° E ESE
115° SE ESE
115° SE ESE
125° SE SE
20° N NNE
0° N N
15° N NNE
20° N NNE
10° N N
5° N N
10° N N
360° N N
0° N N
350° N N
350° N N
350° N N
350° N N
355° N N
360° N N
5° N N
75° E ENE
95° E E

5 9 3 6 2
5 10 3 6 2
6 11 3 7 2
5 10 3 6 2
5 9 3 6 2
4 7 2 4 2
1 1 0 1 1
8 14 4 9 3
8 15 4 9 3
8 15 4 9 3
9 16 4 10 3
10 18 5 11 3
10 18 5 11 3
8 15 4 9 3
8 14 4 9 3
8 14 4 9 3
7 13 4 8 3
6 12 3 7 3
6 11 3 7 2
5 9 3 6 2
4 7 2 4 2
2 4 1 2 1
2 3 1 2 1
2 4 1 2 1

10 18 5 11 3
10 18 5 11 3
10 19 5 12 3
11 20 6 12 4
10 19 5 12 3
10 18 5 11 3
10 18 5 11 3
12 22 6 14 4
14 26 7 16 4
14 26 7 16 4
15 27 8 17 4
16 30 8 19 5
16 30 8 19 5
15 28 8 17 4
12 23 6 14 4
12 23 6 14 4
12 22 6 14 4
11 20 6 12 4
10 18 5 11 3
8 15 4 9 3
7 13 4 8 3
5 10 3 6 2
5 9 3 6 2
5 9 3 6 2

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

2.8
2.8
2.8
2.8
2.8
2.8
2.8
2.8
2.8
2.7
2.7
2.7
2.7
2.6
2.6
2.6
2.6
2.5
2.5
2.5
2.5
2.4
2.4
2.4

0
0
0
0
0
0
0.1
0.3
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.1
0.1
0.1
0
0
0
0
0
0

245° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
250° W WSW

1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.3
1.3
1.3
1.3

12
12
12
12
12
12
12
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

240
240
250
250
250
250
250
240
250
250
250
260
250
250
260
260
260
260
270
270
270
260
260
260

2.2
2.6
3.2
3.8
4.3
4.5
4.5
4.1
3.5
2.9
2.3
2.0
1.9
2.3
2.9
3.7
4.3
4.7
4.7
4.4
3.8
3.1
2.5
2.1

13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55

100
100
100
100
100
95
95
95
95
90
95
95
95
95
80
50
20
15
5
5
15
75
75
75

0.1
0.2
0.6
0.6
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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

50
55
80
70
50
40
25
20
20
20
0
0
0
0
0
0
0
0
0
0
0
0
0
0

2.5
3
4
5
5
5
5
15
15
>20
>20
>20
>20
>20
>20
10
5
5
5
5
4
2
2
4

1008
1009
1008
1009
1009
1009
1010
1011
1012
1013
1014
1015
1016
1016
1017
1017
1018
1018
1019
1019
1020
1020
1021
1022

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

10 51
10 51
11 51
11 52
12 53
12 54
13 55
12 54
11 53
11 52
11 51
11 51
10 51
10 50
10 49
9 48
9 47
8 46
8 46
7 45
7 44
6 43
5 40
4 40

8 47
8 47
9 47
10 49
10 51
12 54
13 56
10 50
9 47
8 46
8 46
7 45
7 45
7 45
7 44
6 43
6 43
6 42
5 42
5 41
5 41
5 41
4 39
3 38

7 13 3 4 8
9 17 3 5 11
10 19 3 5 12
9 17 3 5 11
8 14 3 4 9
4 8 2 2 5
3 6 2 2 4
11 20 4 6 12
12 22 4 6 14
15 27 4 8 17
15 28 4 8 17
16 30 5 8 19
17 31 5 9 19
15 27 4 8 17
14 26 4 7 16
14 26 4 7 16
13 24 4 7 15
12 22 4 6 14
11 20 4 6 12
10 18 3 5 11
8 15 3 4 9
6 12 3 3 7
3 5 1 1 3
2 3 1 1 2

2.1
2.1
2.1
2.1
2.1
2.2
2.2
2.2
2.2
2.1
2.1
2.1
2.1
2.1
2
2
2
1.9
1.9
1.9
1.8
1.8
1.8
1.8

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

Expert opinion

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

For Plage de la Base Nautique :
No gale warning.

We are 85% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.

Overcast with reduced visibility in the morning, very cloudy skies to overcast in the afternoon. Rain followed by showers in the morning, light showers dying away progressively in the afternoon. In the evening, very cloudy skies to overcast.
Chance of light rain. ESE force 2 becoming force 3 in the middle of the day then N. Gusts reaching 16 knots in the evening. Moderate sea. Moderate, fairly long swell from WSW then low, long swell in the evening. Visibility reduced by fog becoming poor in the middle of the day then excellent.

Tides at Fromentine

51

High tide 01h54 4.56m

Low tide 08h09 2.05m

54

High tide 14h18 4.54m

Low tide 20h39 1.92m

www.shom.fr - © SHOM 2025

Consult the tides for December

Tue

16

-

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

Wed

17

-

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

Thu

18

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

Fri

19

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- 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

* +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