Weather Tharon - Detailed bulletin - Free 15-day Marine forecasts

Saint-Michel-Chef-Chef FRALon : -2°9’,93 W Lat : 47°10’,068 N Alt : 11m

Wed

18

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

Thu

19

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Fri

20

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

Sat

21

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

Sun

22

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

Mon

23

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

Tue

24

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

Wed

25

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Thu

26

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Fri

27

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Sat

28

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Sun

29

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Mon

30

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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 offshore.

Wednesday 18 mar

METEO CONSULT Run : 18/03 00Z Mesh : 1km Updated, 23min ago Update in 6h

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)

30

25

20

15

10

50

40

30

20

15

10

5

30

25

20

15

10

5

0

1

0.5

3

0

20

15

10

5

0

70

60

50

40

30

                                    
                                                                         Thu 19
                                                            
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                        Run : 18/03 00Z
                Mesh : 1km
                Updated, 23min ago
                Update in 6h

Thu 19

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

90° E E
90° E E
90° E E
95° E E
90° E E
90° E E
90° E E
80° E E
75° E ENE
70° E ENE
70° E ENE
65° NE ENE
70° E ENE
65° NE ENE
65° NE ENE
65° NE ENE
60° NE ENE
65° NE ENE
70° E ENE
75° E ENE
70° E ENE
70° E ENE
70° E ENE
75° E ENE

12 23 6 14 4
13 24 7 15 4
13 25 7 16 4
14 26 7 16 4
15 27 8 17 4
15 27 8 17 4
15 28 8 17 4
15 27 8 17 4
14 26 7 16 4
15 27 8 17 4
15 27 8 17 4
13 25 7 16 4
13 24 7 15 4
12 22 6 14 4
11 21 6 13 4
12 22 6 14 4
12 22 6 14 4
12 23 6 14 4
13 25 7 16 4
13 25 7 16 4
13 24 7 15 4
13 24 7 15 4
12 23 6 14 4
12 23 6 14 4

20 37 10 23 5
22 40 11 25 6
22 41 11 25 6
24 44 12 27 6
24 45 13 28 6
24 45 13 28 6
25 47 13 29 6
25 47 13 29 6
24 45 13 28 6
25 46 13 29 6
25 47 13 29 6
25 47 13 29 6
24 45 13 28 6
23 43 12 27 6
23 42 12 26 6
21 39 11 24 6
22 40 11 25 6
23 42 12 26 6
24 44 12 27 6
24 45 13 28 6
23 43 12 27 6
23 42 12 26 6
23 42 12 26 6
23 42 12 26 6

0.5
0.5
0.5
0.5
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
0.6
0.6
0.6
0.6
0.6

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

265° W W
260° W W
260° W W
265° W W
265° W W
260° W W
260° W W
255° W WSW
255° W WSW
255° W WSW
260° W WSW
255° W WSW
260° W WSW
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W

0.5
0.5
0.5
0.5
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
0.6
0.6
0.6
0.6
0.6

13
13
13
14
14
15
15
15
15
15
15
15
15
15
15
15
15
14
14
14
14
14
14
14

260
270
290
310
320
340
350
350
360
360
360
360
360
350
350
340
340
330
330
320
320
310
310
300

2.7
1.7
1.2
1.1
1.8
2.9
4.1
5.2
5.8
5.7
5.1
4.1
3.0
1.9
1.2
1.0
1.5
2.7
4.1
5.3
6.1
6.2
5.6
4.6

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

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
0
0
0
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

1012
1012
1013
1013
1013
1012
1012
1011
1012
1012
1012
1013
1014
1014
1015
1015
1016
1016
1016
1016
1017
1017
1018
1018

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

9 49
10 50
12 53
14 57
16 60
17 63
18 64
18 64
18 64
17 63
16 61
14 57
12 54
11 52
10 50
9 49
9 48
9 47
8 47
8 47
8 46
7 45
7 44
6 43

6 43
7 45
10 51
14 56
16 61
18 64
19 66
19 65
18 64
16 61
13 56
10 50
8 46
7 45
6 43
5 42
5 41
4 40
4 39
4 38
3 38
3 37
2 36
2 36

14 26 4 7 16
15 28 4 8 17
15 27 4 8 17
13 25 4 7 16
13 24 4 7 15
13 24 4 7 15
14 26 4 7 16
15 28 4 8 17
16 29 5 8 18
17 31 5 9 19
18 33 5 9 21
18 34 5 9 21
19 36 5 10 22
20 37 5 10 23
19 36 5 10 22
18 34 5 9 21
19 35 5 10 22
21 38 5 11 24
21 38 5 11 24
19 36 5 10 22
19 36 5 10 22
19 35 5 10 22
19 36 5 10 22
19 36 5 10 22

1.6
1.6
1.7
1.8
1.8
1.8
1.9
2
2.1
2.2
2.3
2.3
2.3
2.4
2.4
2.3
2.3
2.4
2.4
2.3
2.2
2.1
2.1
2.1

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

Expert opinion

An easterly, moderate and very variable flow prevails over the whole area.

For Tharon :
Warning strong breeze offshore.

The reliability of the situation is assessed at 90%.

Warm sun all day. In the evening, clear skies.
E wind force 4 continuing all day. Gusts reaching 25 knots from the middle of the day. Smooth to slight sea becoming slight in the middle of the day. Low, long swell from W. Excellent visibility.

Tides at Pornic

87

High tide 04h05 5.97m

Low tide 10h34 1.06m

92

High tide 16h21 5.84m

Low tide 22h50 1.02m

www.shom.fr - © SHOM 2026

Consult the tides for March

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Wed

18

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

Thu

19

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

Fri

20

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

Sat

21

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

Sun

22

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

Mon

23

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

Tue

24

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

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

Wed

01

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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 board sports area Tharon

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Pornic

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