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

Sat

21

-

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

Sun

22

-

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

Mon

23

-

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

Tue

24

-

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

Wed

25

-

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

Thu

26

-

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

Fri

27

-

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

Sat

28

-

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

Sun

29

-

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

Mon

30

-

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

Tue

31

-

- 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

Fri

03

-

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

Sat

04

-

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

BULLETIN

(* established in local time)

Reliability 90%

No gale warning.

Saturday 21 mar

METEO CONSULT Run : 20/03 00Z Mesh : 1km Updated, 8h 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)

Wind (m)

Swell direction

Swell height (m)

Swell period (s)

Wave length (m)

High tide (m)

Sea temp

Weather

Rain (mm) (mm)

Clouds:

Cloud cover (%)

Precipitation:

Amount of precipitation (mm)

Type of precipitation

Risks:

Precipitation risk (%)

Storm risk. (%)

Brightness:

Visibility (km)

Pressure (hPa)

UV

Temperature

Air temp

Perceived temp

Air temp

Perceived temp

Offshore

Offshore wind

Offshore sea (m)

20

15

10

5

40

30

20

10

5

0

25

20

15

10

5

10

5

0

1

0.5

0

3

0

20

10

0

-10

70

60

50

40

30

                                    
                                                                         Sun 22
                                                            
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                        Run : 20/03 00Z
                Mesh : 1km
                Updated, 8h ago
                Update imminent

Sun 22

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

40° NE NE
40° NE NE
40° NE NE
45° NE NE
45° NE NE
45° NE NE
45° NE NE
45° NE NE
45° NE NE
45° NE NE
50° NE NE
50° NE NE
50° NE NE
45° NE NE
45° NE NE
40° NE NE
40° NE NE
25° NE NNE
20° N NNE
15° N NNE
15° N NNE
25° NE NNE
20° N NNE
25° NE NNE

5 10 3 6 2
6 11 3 7 2
7 13 4 8 3
7 13 4 8 3
7 13 4 8 3
7 13 4 8 3
8 14 4 9 3
8 15 4 9 3
9 16 4 10 3
9 16 4 10 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
9 17 5 11 3
9 16 4 10 3
7 13 4 8 3
6 11 3 7 2
6 11 3 7 2
6 12 3 7 3
8 14 4 9 3
8 14 4 9 3
8 14 4 9 3
7 13 4 8 3

10 18 5 11 3
11 20 6 12 4
12 22 6 14 4
12 23 6 14 4
12 23 6 14 4
12 23 6 14 4
12 23 6 14 4
13 25 7 16 4
15 28 8 17 4
16 30 8 19 5
18 33 9 21 5
18 33 9 21 5
18 33 9 21 5
17 32 9 20 5
17 31 9 19 5
16 29 8 18 5
15 27 8 17 4
13 24 7 15 4
10 19 5 12 3
10 19 5 12 -
12 23 6 14 4
13 24 7 15 4
15 27 8 17 4
12 23 6 14 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
0.5
0.5
0.5
0.5
0.6

0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1

230° SW SW
230° SW SW
235° SW SW
230° SW SW
230° SW SW
230° SW SW
235° SW SW
235° SW SW
240° SW WSW
235° SW SW
235° SW SW
235° SW SW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
235° SW WSW
235° SW WSW
235° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW

0.4
0.4
0.4
0.4
0.4
0.3
0.4
0.4
0.3
0.3
0.3
0.3
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.5
0.5
0.5
0.5
0.5

10
10
10
10
10
10
10
10
11
11
11
11
11
11
11
12
13
13
13
13
13
13
14
13

160
150
150
150
160
160
170
170
180
180
190
180
190
200
210
230
250
270
270
270
270
290
290
260

1.9
3.4
4.8
5.7
5.8
5.3
4.5
3.4
2.3
1.4
0.8
0.8
1.6
2.9
4.4
5.4
5.7
5.3
4.6
3.6
2.5
1.6
1.0
0.8

12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 53
12 53
12 53

0
0
0
0
0
5
5
5
0
0
0
5
0
5
5
10
5
5
5
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
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
15
15
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
15

1016
1015
1015
1015
1015
1015
1015
1016
1016
1016
1015
1015
1014
1014
1014
1013
1013
1014
1014
1014
1014
1015
1015
1015

0
0
0
0
0
0
0
1
1
2
3
3
3
3
2
1
0
0
0
0
0
0
0
0

9 47
8 46
6 42
5 41
5 41
2 36
4 38
7 45
10 50
12 54
14 58
16 60
16 61
17 62
17 62
17 62
16 61
14 57
12 54
11 51
10 50
9 49
8 47
7 45

7 44
5 42
3 37
3 37
2 36
-1 31
1 34
6 43
10 50
14 57
17 62
18 65
19 66
19 66
18 65
17 63
15 59
12 54
10 50
8 47
7 45
6 44
6 42
5 41

11 21 4 6 13
12 22 4 6 14
12 23 4 6 14
13 24 4 7 15
13 25 4 7 16
13 25 4 7 16
13 25 4 7 16
13 25 4 7 16
13 24 4 7 15
12 22 4 6 14
10 19 3 5 12
9 17 3 5 11
9 16 3 4 10
8 15 3 4 9
8 14 3 4 9
8 15 3 4 9
8 15 3 4 9
8 14 3 4 9
8 15 3 4 9
9 17 3 5 11
11 21 4 6 13
13 24 4 7 15
13 25 4 7 16
13 25 4 7 16

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

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

Expert opinion

A northeasterly and variable flow prevails over the South and the East of the basin. Over the North-West, it is southerly, weak and variable.

For Plage de la Base Nautique :
No gale warning.

The reliability of the situation is assessed at 90%.

Fair weather with mostly clear skies. In the evening, skies with few clouds.
NE wind force 3 continuing all day. Gusts reaching 18 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 Fromentine

104

Low tide 00h19 0.72m

High tide 05h31 5.85m

103

Low tide 12h38 0.72m

High tide 17h44 5.68m

www.shom.fr - © SHOM 2026

Consult the tides for March

Go further

Sat

21

-

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

Sun

22

-

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

Mon

23

-

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

Tue

24

-

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

Wed

25

-

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

Thu

26

-

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

Fri

27

-

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

Sat

28

-

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

Sun

29

-

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

Mon

30

-

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

Tue

31

-

- 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

Fri

03

-

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

Sat

04

-

- 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

Go further