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

Thu

23

-

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

Fri

24

-

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

Sat

25

-

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

Sun

26

-

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

Mon

27

-

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

Tue

28

-

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

Wed

29

-

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

Thu

30

-

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

Fri

01

-

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

Sat

02

-

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

Sun

03

-

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

Mon

04

-

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

Tue

05

-

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

Wed

06

-

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

Thu

07

-

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

BULLETIN

Reliability 90%

No gale warning.

Marine wind risk

Thursday 23 apr

METEO CONSULT Run : 22/04 00Z Mesh : 1km Updated, 9h ago Update imminent

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell (m) (m)

legend.title.wave_height

Total sea (m)

legend.title.wind_sea

Wind (m)

legend.title.swell

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

30

20

10

0

60

50

40

30

20

10

20

15

10

5

40

30

20

10

5

0

1.5

1

0.5

3

0

25

20

15

10

5

70

60

50

40

                                    
                                                                         Fri 24
                                                            
                    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 : 22/04 00Z
                Mesh : 1km
                Updated, 9h ago
                Update imminent

Fri 24

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

70° E ENE
70° E ENE
70° E ENE
70° E ENE
70° E ENE
75° E ENE
75° E ENE
80° E E
85° E E
85° E E
85° E E
90° E E
90° E E
95° E E
90° E E
80° E E
80° E E
75° E ENE
80° E ENE
70° E ENE
70° E ENE
65° NE ENE
70° E ENE
75° E ENE

15 27 8 17 4
16 30 8 19 5
18 33 9 21 5
19 36 10 22 5
19 36 10 22 5
20 37 10 23 5
21 38 11 24 5
21 38 11 24 5
20 37 10 23 5
18 34 9 21 5
16 29 8 18 5
13 24 7 15 4
11 21 6 13 4
10 19 5 12 3
9 17 5 11 3
10 18 5 11 3
12 22 6 14 4
13 24 7 15 4
12 23 6 14 4
13 25 7 16 4
15 27 8 17 4
15 28 8 17 4
17 31 9 19 5
17 31 9 19 5

20 37 10 23 5
22 41 11 25 6
24 45 13 28 6
26 49 14 30 6
27 50 14 31 7
28 51 14 32 7
29 53 15 33 7
28 52 14 32 7
28 51 14 32 7
27 50 14 31 7
24 45 13 28 6
19 36 10 22 5
17 31 9 19 5
15 28 8 17 4
15 27 8 17 4
13 25 7 16 4
16 30 8 19 5
18 33 9 21 5
17 32 9 20 5
18 34 9 21 5
19 36 10 22 5
22 40 11 25 6
22 41 11 25 6
24 45 13 28 6

0.7
0.8
0.9
0.9
1
1.1
1.1
1.2
1.3
1.3
1.3
1.3
1.2
1.2
1.2
1.2
1.2
1.1
1.1
1.1
1.1
1.1
1.1
1.2

0.5
0.5
0.6
0.6
0.7
0.7
0.7
0.8
0.8
0.8
0.7
0.6
0.5
0.4
0.3
0.3
0.3
0.4
0.4
0.4
0.4
0.5
0.5
0.6

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

0.5
0.6
0.6
0.6
0.7
0.7
0.8
0.9
0.9
1.0
1.0
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.0
1.0
1.0
1.0
1.0

10
10
10
10
10
10
10
10
10
10
10
9
9
9
9
9
9
9
9
9
9
9
9
9

110
110
110
110
110
120
120
120
120
120
120
130
130
130
140
140
140
140
140
140
140
130
130
130

2.0
1.6
1.4
1.6
2.1
2.8
3.5
4.1
4.3
4.2
3.8
3.2
2.6
2.1
1.8
1.9
2.2
2.7
3.3
3.9
4.3
4.4
4.2
3.8

13 55
13 55
13 55
13 55
13 55
12 54
12 54
12 54
12 54
13 55
13 55
13 55
13 55
13 55
13 55
13 56
13 56
13 56
13 56
13 55
13 55
13 55
13 55
13 55

0
0
0
5
5
5
5
20
50
35
45
15
10
5
35
15
5
5
5
5
5
0
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

>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1019
1019
1019
1019

0
0
0
0
0
0
0
1
1
3
4
5
6
5
4
3
2
1
0
0
0
0
0
0

13 55
13 55
13 55
13 56
13 55
12 54
12 53
12 53
13 55
14 56
15 58
16 60
16 61
17 62
17 63
18 64
18 64
18 65
18 64
18 64
17 63
17 62
16 61
16 61

8 46
8 46
7 45
7 45
7 44
6 43
6 43
7 45
9 48
12 53
15 58
17 63
19 67
20 68
20 69
20 68
18 65
17 62
15 60
14 56
12 54
12 53
11 51
10 51

Forecasts established in local time
Caption Glossary

Expert opinion

For Les portes de bassin :
No gale warning.

The reliability of the situation is assessed at 90%.

Fair weather with mostly clear skies. In the evening, clear skies.
ENE force 5 in the morning becoming force 4 in the evening. Gusts reaching 29 knots in the morning. Slight sea. Low, fairly long swell from WSW. Excellent visibility.

semaphore stations

Station Pte De Chemoulin located 16 km from Les portes de bassin

	WIND			WEATHER
Local time	Dir. (°)	Speed (nd)	Gust (nd)	Temp. (°C)	Pressure (hPa)	Visibility (M)
02h	70	15	39	-	-	14
01h	80	16	43	-	-	0
00h	80	15	36	-	-	0

observation.semaphores_link

Météo France - RADOME

observation.semaphore_link

Tides at Le Croisic

58

Low tide 03h56 1.42m

High tide 10h15 4.34m

51

Low tide 16h19 1.78m

High tide 22h56 4.44m

www.shom.fr - © SHOM 2026 - Local times

Consult the tides for April

Go further

Thu

23

-

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

Fri

24

-

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

Sat

25

-

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

Sun

26

-

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

Mon

27

-

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

Tue

28

-

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

Wed

29

-

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

Thu

30

-

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

Fri

01

-

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

Sat

02

-

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

Sun

03

-

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

Mon

04

-

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

Tue

05

-

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

Wed

06

-

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

Thu

07

-

- 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

semaphore stations

Tides at Le Croisic

Go further