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

Saint-Michel-Chef-Chef FRALongitude : -2°9’,93 W Latitude : 47°10’,068 N Altitude : 11m

Mon

01

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

Tue

02

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Wed

03

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Thu

04

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Fri

05

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Sat

06

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Sun

07

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Mon

08

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

Tue

09

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

Wed

10

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

Thu

11

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

Fri

12

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Sat

13

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Sun

14

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Mon

15

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BULLETIN

(established in local time)

Reliability 80%

No gale warning.

Monday 1 september

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Under storms

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)

25

20

15

10

5

50

40

30

20

10

15

10

5

0

30

20

10

0

10

5

0

1

0.5

0

3

0

20

15

10

70

65

60

55

50

Tue 2

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

230° SW SW
225° SW SW
235° SW SW
225° SW SW
220° SW SW
220° SW SW
235° SW WSW
240° SW WSW
245° SW WSW
250° W WSW
255° W WSW
250° W WSW
250° W WSW
255° W WSW
260° W W
265° W W
265° W W
265° W W
260° W W
255° W WSW
245° SW WSW
245° SW WSW
230° SW SW
220° SW SW

9 16 4 10 3
9 16 4 10 3
10 19 5 12 3
9 17 5 11 3
7 13 4 8 3
8 14 4 9 3
9 17 5 11 3
10 19 5 12 3
11 21 6 13 4
12 23 6 14 4
12 22 6 14 4
12 23 6 14 4
13 25 7 16 4
13 25 7 16 4
13 25 7 16 4
15 27 8 17 4
14 26 7 16 4
13 24 7 15 4
12 22 6 14 4
10 19 5 12 3
9 17 5 11 3
9 16 4 10 3
9 16 4 10 3
9 17 5 11 3

16 30 8 19 5
17 32 9 20 5
18 34 9 21 5
18 34 9 21 5
13 25 7 16 4
16 29 8 18 5
18 33 9 21 5
17 32 9 20 5
21 38 11 24 5
21 39 11 24 6
21 38 11 24 5
21 39 11 24 6
22 41 11 25 6
23 43 12 27 6
23 42 12 26 6
23 42 12 26 6
22 41 11 25 6
22 40 11 25 6
19 36 10 22 5
18 34 9 21 5
16 29 8 18 5
16 30 8 19 5
16 29 8 18 5
17 31 9 19 5

>25 >50 >15 >30 >7
>25 >50 >15 >30 >7
>25 >50 >14 >30 >7
>25 >50 >14 >30 >7
>25 >50 >14 >30 >7
>25 >50 >14 >30 >7
>30 >55 >16 >35 >7
>25 >50 >14 >30 >7
>25 >50 >14 >30 >7
>25 >50 >14 >30 >7
>25 >50 >14 >30 >7
>25 >50 >14 >30 >7
>25 >50 >14 >30 >7
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -

0.6
0.5
0.5
0.5
0.5
0.4
0.4
0.5
0.5
0.5
0.5
0.6
0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5

1.2
1.1
1.1
1
1
1
0.9
1
1
1.1
1.1
1.2
1.2
1.2
1.2
1.2
1.1
1.1
1
1
1
1.1
1.1
1.1

0.3
0.3
0.3
0.3
0.4
0.4
0.3
0.1
0.2
0.1
0.1
0.3
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.4
0.5
0.4
0.3
0.3

285° W WNW
285° W WNW
285° W WNW
285° W WNW
295° NW WNW
145° SE SE
145° SE SSE
275° W W
275° W W
280° W W
280° W W
285° W WNW
155° SE SSE
150° SE SSE
150° SE SSE
150° SE SSE
150° SE SSE
150° SE SSE
150° SE SSE
150° SE SSE
150° SE SSE
150° SE SSE
280° W WNW
285° W WNW

0.5
0.4
0.4
0.3
0.3
0.3
0.3
0.4
0.5
0.5
0.5
0.5
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.3
0.4
0.4

13
13
12
12
11
14
14
13
13
13
13
13
15
15
14
14
14
14
14
14
14
14
12
12

280
270
270
260
250
250
270
270
270
280
270
270
270
260
260
250
240
240
240
250
250
250
250
240

2.9
2.8
2.8
2.9
3.3
3.6
3.9
4.2
4.2
4.1
3.8
3.5
3.1
2.9
2.8
2.8
3.0
3.2
3.5
3.8
4.0
4.1
4.0
3.8

20 67
20 67
20 67
20 67
19 67
19 67
19 67
20 67
20 67
20 67
20 67
20 67
20 67
20 67
20 67
20 67
20 67
20 67
20 67
20 67
20 67
20 67
20 67
19 67

20
5
50
80
55
60
75
70
70
80
90
85
75
65
40
30
25
25
35
45
40
80
60
45

0.4
0
0
0.2
0.7
0.4
1.7
0.8
0.3
0.7
0.6
0.4
0
0
0
0
0
0
0
0
0
0
0
0

-
-
-
-
-
-
-
-

100
40
45
50
60
50
70
60
50
65
70
55
45
20
0
0
0
0
0
20
25
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

1007
1007
1007
1007
1007
1008
1008
1008
1009
1009
1009
1009
1010
1010
1010
1010
1010
1011
1011
1011
1012
1011
1011
1010

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

17 62
17 62
17 62
17 62
16 61
17 62
17 63
18 64
18 64
18 64
18 65
18 64
18 65
18 65
18 65
18 65
18 64
17 63
17 63
17 62
17 62
17 62
17 62
17 62

14 56
14 56
13 56
13 56
14 57
14 58
16 61
17 62
17 63
15 59
17 63
17 63
17 63
17 63
16 61
15 60
14 57
13 55
13 55
13 56
13 56
14 56
14 56
14 56

13 25 4 7 16
16 30 5 8 19
14 26 4 7 16
12 23 4 6 14
13 25 4 7 16
14 26 4 7 16
13 25 4 7 16
12 22 4 6 14
13 24 4 7 15
13 24 4 7 15
15 27 4 8 17
14 26 4 7 16
16 29 5 8 18
18 33 5 9 21
16 29 5 8 18
17 31 5 9 19
16 29 5 8 18
17 32 5 9 20
16 29 5 8 18
15 27 4 8 17
15 27 4 8 17
15 27 4 8 17
15 28 4 8 17
15 28 4 8 17

2
2
2
2
2.1
2.1
2.1
2.1
2
2
2
2
2
2
2
2.1
2.1
2.1
2.1
2.1
2.1
2
2
2

Forecasts established in local time
Last updated 37min ago | Next update in 3h
Caption

Expert opinion

A westerly, strong and mostly variable flow prevails over the whole area.

For Tharon :
No gale warning.

We are 80% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.

Skies very cloudy, risk of some thundery outbreaks. Showers all day. In the evening, lots of good clear periods.
Chance of light rain. SW force 3 becoming WSW force 4 in the middle of the day then W. Gusts reaching 23 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from WNW. Excellent visibility.

Tides at Pornic

27

Low tide 05h32 2.75m

High tide 11h42 4.2m

Low tide 18h13 2.78m

www.shom.fr - © SHOM 2025

Consult the tides for September

Mon

01

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

Tue

02

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

Wed

03

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

Thu

04

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

Fri

05

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

Sat

06

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

Sun

07

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

Mon

08

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

Tue

09

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

Wed

10

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

Thu

11

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

Fri

12

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

Sat

13

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

Sun

14

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

Mon

15

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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