Weather Plage de Tronoën - Detailed bulletin - Free 15-day Marine forecasts

Saint-Jean-Trolimon FRALongitude : -4°20’,9118 W Latitude : 47°51’,162 N Altitude : 3m

Wed

17

-

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

Thu

18

-

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

Fri

19

-

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

Sat

20

-

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

Sun

21

-

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

Mon

22

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

Tue

23

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

Wed

24

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

Thu

25

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

Fri

26

-

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

Sat

27

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

Sun

28

-

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

Mon

29

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

Tue

30

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

Wed

31

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

BULLETIN

(established in local time)

Reliability 90%

Wind alert - Warning fresh gale offshore.

Wednesday 17 december

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

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)

50

40

30

20

10

80

70

60

50

40

30

25

20

15

10

5

50

40

30

20

10

5

0

9

6

3

0

15

10

5

0

60

55

50

45

40

Thu 18

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

205° SW SSW
205° SW SSW
200° S SSW
195° S SSW
195° S SSW
195° S SSW
195° S SSW
195° S SSW
200° S SSW
200° S SSW
205° SW SSW
210° SW SSW
205° SW SSW
205° SW SSW
205° SW SSW
200° S SSW
200° S SSW
195° S SSW
190° S S
190° S S
190° S S
195° S SSW
200° S SSW
200° S SSW

21 38 11 24 5
21 39 11 24 6
21 38 11 24 5
21 38 11 24 5
22 40 11 25 6
23 43 12 27 6
24 44 12 27 6
25 46 13 29 6
25 47 13 29 6
24 45 13 28 6
22 41 11 25 6
22 41 11 25 6
20 37 10 23 5
21 38 11 24 5
19 36 10 22 5
18 34 9 21 5
21 39 11 24 6
24 44 12 27 6
21 39 11 24 6
23 43 12 27 6
24 45 13 28 6
25 46 13 29 6
22 40 11 25 6
22 40 11 25 6

29 54 15 34 7
31 57 16 35 7
30 56 16 35 7
32 59 16 37 7
33 62 17 39 8
36 66 18 41 8
36 67 19 42 8
38 70 19 43 8
39 73 20 45 8
38 71 20 44 8
37 69 19 43 8
35 65 18 40 8
33 61 17 38 7
31 58 16 36 7
31 58 16 36 7
31 58 16 36 7
32 59 16 37 7
36 67 19 42 8
36 67 19 42 8
37 69 19 43 8
38 70 19 43 8
39 72 20 45 8
40 75 21 47 9
37 69 19 43 8

2.3
2.2
2.2
2.3
2.4
2.5
2.7
2.9
3
3.1
3.1
3.1
3.1
3
3.1
3.1
3.2
3.3
3.6
3.8
3.9
4
3.9
3.7

4.1
4
4
4.1
4.3
4.5
4.8
5.3
5.5
5.5
5.6
5.6
5.5
5.5
5.5
5.6
5.7
6
6.4
6.9
7.1
7.2
6.9
6.7

1.4
1.6
1.4
1.5
1.8
1.9
2.2
2.6
2.7
2.3
2.5
2
1.9
1.7
1.7
1.8
2
1.9
2
2.2
2.3
1.7
1.1
0.9

260° W W
265° W W
260° W W
260° W W
265° W W
265° W W
265° W W
265° W W
265° W W
260° W W
260° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
180° S S
250° W WSW
250° W WSW
255° W WSW
250° W WSW
175° S S
175° S S
175° S S

1.8
1.5
1.7
1.5
1.3
1.3
1.3
0.6
0.7
1.7
1.4
2.3
2.3
2.5
2.5
2.5
2.1
2.5
2.6
2.8
2.9
2.9
2.9
2.8

11
10
11
10
10
10
10
11
11
11
11
11
12
13
17
17
17
17
17
17
17
15
15
15

180
180
170
160
150
140
140
140
140
150
160
490
490
470
460
450
450
440
430
420
420
410
420
420

4.2
3.7
3.1
2.5
2.0
1.7
1.8
2.3
2.9
3.6
4.2
4.5
4.4
4.0
3.4
2.7
2.1
1.7
1.7
2.0
2.6
3.3
4.0
4.4

13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

0
0
0.5
0.5
0.7
0.6
0.7
0.6
0.6
0.6
0.6
0.6
1.3
2.2
2.1
2.3
2.6
3.1
2.6
2.2
2.2
2
2.3
2.2

40
40
90
90
90
90
80
75
80
85
85
75
75
80
90
90
90
90
90
85
85
90
90
85

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

1016
1016
1015
1015
1014
1014
1013
1013
1013
1012
1012
1011
1010
1009
1009
1008
1008
1007
1007
1006
1005
1005
1004
1004

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

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

6 42
6 42
6 42
6 42
6 42
5 41
5 41
5 41
5 41
5 42
6 43
6 43
7 44
7 44
7 44
7 45
7 44
6 42
6 43
6 42
6 43
6 43
7 44
7 44

26 49 6 14 30
28 51 7 14 32
29 54 7 15 34
30 55 7 15 34
30 56 7 16 35
32 59 7 16 37
32 60 7 17 37
32 59 7 16 37
31 58 7 16 36
30 55 7 15 34
28 51 7 14 32
26 49 6 14 30
23 43 6 12 27
21 39 6 11 24
20 37 5 10 23
18 33 5 9 21
18 33 5 9 21
20 37 5 10 23
29 53 7 15 33
30 56 7 16 35
31 57 7 16 35
25 46 6 13 29
25 46 6 13 29
29 54 7 15 34

3.3
3.4
3.5
3.6
3.7
3.9
4
4.1
4.2
4.2
4.3
4.3
4.5
4.6
4.7
4.9
5.1
5.3
5.6
5.8
6
6.4
6.2
6

Forecasts established in local time
Last updated 57min ago | Next update in 3h
Caption

Expert opinion

A southwesterly, very strong and variable flow prevails over the whole area.

For Plage de Tronoën :
Warning fresh gale offshore.

We are 90% sure of the situation, because the strength of the precipitation is difficult to assess for this type of disturbance.

Overcast skies. Chance of light rain. In the evening, overcast skies.
Light rain. SSW wind force 6 from the middle of the day. Gusts reaching 38 knots in the evening. Moderate sea becoming rough in the evening. Moderate, fairly long swell from W then low in the evening. Excellent visibility.

Tides at Saint-Guenole

57

High tide 02h41 4.36m

Low tide 08h59 1.79m

60

High tide 15h00 4.38m

Low tide 21h11 1.72m

www.shom.fr - © SHOM 2025

Consult the tides for December

Wed

17

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

Thu

18

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

Fri

19

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

Sat

20

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

Sun

21

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

Mon

22

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

Tue

23

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

Wed

24

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

Thu

25

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

Fri

26

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

Sat

27

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

Sun

28

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

Mon

29

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

Tue

30

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

Wed

31

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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 beach Plage de Tronoën

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Guenole