Weather Les portes de bassin - Detailed bulletin - Free 15-day Marine forecasts

Batz-sur-Mer FRALon : -2°30’,291 W Lat : 47°12’,066 N Alt : 0m

Wed

25

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Thu

26

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Fri

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Sat

28

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Sun

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Mon

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Tue

31

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Wed

01

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Thu

02

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Fri

03

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Sat

04

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Sun

05

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Mon

06

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Tue

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Wed

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BULLETIN

(* established in local time)

Reliability 90%

Wind alert - Warning strong breeze.

Wednesday 25 mar

METEO CONSULT Run : 25/03 00Z 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)

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

40

30

20

10

70

60

50

40

30

20

15

10

5

50

40

30

20

10

5

0

5

0

3

0

15

10

5

0

55

50

45

40

35

                                    
                                                                         Thu 26
                                                            
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                        Run : 25/03 00Z
                Mesh : 1km
                Updated, 4h ago
                Update in 2h

Thu 26

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

305° NW NW
305° NW NW
305° NW NW
310° NW NW
310° NW NW
310° NW NW
315° NW NW
320° NW NW
320° NW NW
325° NW NW
325° NW NW
320° NW NW
325° NW NW
325° NW NW
325° NW NW
325° NW NNW
325° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
335° NW NNW
330° NW NNW
335° NW NNW

24 44 12 27 6
23 43 12 27 6
23 42 12 26 6
23 42 12 26 6
25 46 13 29 6
25 46 13 29 6
24 45 13 28 6
24 44 12 27 6
23 43 12 27 6
23 42 12 26 6
22 40 11 25 6
21 39 11 24 6
22 40 11 25 6
21 39 11 24 6
20 37 10 23 5
19 35 10 22 5
18 34 9 21 5
18 33 9 21 5
17 31 9 19 5
16 30 8 19 5
16 29 8 18 5
16 29 8 18 5
15 28 8 17 4
15 27 8 17 4

36 66 18 41 8
35 65 18 40 8
35 64 18 40 8
33 62 17 39 8
36 66 18 41 8
36 67 19 42 8
36 66 18 41 8
35 64 18 40 8
33 61 17 38 7
33 61 17 38 7
32 59 16 37 7
31 57 16 35 7
31 58 16 36 7
30 56 16 35 7
29 54 15 34 7
28 51 14 32 7
26 49 14 30 6
25 47 13 29 6
24 45 13 28 6
23 43 12 27 6
23 43 12 27 6
22 41 11 25 6
22 40 11 25 6
21 39 11 24 6

2.2
2.2
2.1
2.1
2.1
2.2
2.2
2.2
2.2
2.1
2.1
2.1
2
2
1.9
1.8
1.7
1.6
1.6
1.5
1.5
1.4
1.4
1.4

1.8
1.8
1.9
1.9
1.8
1.8
1.7
1.6
1.5
1.6
1.5
1.6
1.5
1.5
1.4
1.2
1
0.9
0.7
0.6
0.5
0.5
0.5
0.5

250° W WSW
245° SW WSW
245° SW WSW
245° SW WSW
245° SW 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
250° W WSW
250° W WSW
255° W WSW
260° W WSW
260° W WSW
265° W W
265° W W
265° W W
260° W W
260° W W
265° W W

1.1
1.1
1.0
1.0
1.1
1.2
1.3
1.5
1.5
1.4
1.4
1.4
1.3
1.3
1.3
1.3
1.3
1.3
1.4
1.4
1.4
1.3
1.3
1.3

11
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
11
11
11
11
11
11
11

160
170
180
190
190
190
200
210
210
210
210
210
200
200
200
200
210
210
210
220
220
220
210
210

3.2
2.6
2.1
1.8
1.8
2.2
2.9
3.5
4.1
4.3
4.3
3.9
3.4
2.9
2.4
2.0
1.8
1.9
2.2
2.6
3.1
3.6
4.0
4.1

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 53
11 53
11 53
11 53
11 53
11 53
11 52
11 52
11 52
11 52
11 52
11 52

5
10
55
20
45
45
30
10
25
50
60
20
30
35
45
5
5
5
0
5
10
5
15
30

0.1
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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

50
75
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
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026

3
4
3
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3

11 51
11 51
11 51
11 51
11 52
11 52
11 52
11 51
10 51
10 49
9 49
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 49

7 44
10 50
9 48
9 48
8 46
7 44
6 42
4 39
3 38
3 37
3 37
3 37
2 36
3 37
3 37
3 37
3 37
3 37
3 38
3 38
4 39
6 42
7 45
9 48

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

Expert opinion

For Les portes de bassin :
Warning strong breeze.

The reliability of the situation is assessed at 90%.

Sunny becoming changeable in the afternoon. No precipitation in the morning, light showers dying away progressively in the afternoon. In the evening, cloud and long sunny periods.
No precipitation. NW wind force 6 continuing all day. Gusts reaching 38 knots in the morning. Moderate sea. Low, fairly long swell from WSW then moderate in the evening. Excellent visibility.

Tides at Le Croisic

57

Low tide 03h03 1.44m

High tide 08h48 4.43m

49

Low tide 15h27 1.78m

High tide 21h09 4.35m

www.shom.fr - © SHOM 2026

Consult the tides for March

Go further

Wed

25

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

Thu

26

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

Fri

27

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

Sat

28

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

Sun

29

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

Mon

30

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

Tue

31

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Wed

01

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Thu

02

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Fri

03

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Sat

04

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Sun

05

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Mon

06

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

Tue

07

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

Wed

08

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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 diving spot Les portes de bassin

BULLETIN

Wind

Waves

Weather

Temperature

Expert opinion

Tides at Le Croisic

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