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

Tréguennec FRALongitude : -4°21’,0654 W Latitude : 47°51’,114 N Altitude : 0m

Thu

17

-

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

Fri

18

-

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

Sat

19

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

Sun

20

-

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

Mon

21

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

Tue

22

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

Wed

23

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

Thu

24

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

Fri

25

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

Sat

26

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

Sun

27

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

Mon

28

-

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

Tue

29

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

Wed

30

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

Thu

31

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

BULLETIN

(established in local time)

Reliability 90%

No gale warning.

Thursday 17 july

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)

20

15

10

5

0

40

30

20

10

0

10

5

0

30

20

10

0

10

5

0

1

0.5

3

0

25

20

15

10

75

70

65

60

55

Fri 18

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

300° NW WNW
315° NW NW
300° NW WNW
315° NW NW
330° NW NNW
340° N NNW
345° N NNW
15° N NNE
85° E E
65° NE ENE
125° SE ESE
250° W WSW
260° W W
270° W W
280° W W
285° W WNW
285° W WNW
290° W WNW
295° NW WNW
300° NW WNW
305° NW NW
315° NW NW
325° NW NW
325° NW NW

6 12 3 7 3
4 7 2 4 2
4 7 2 4 2
2 4 1 2 1
2 4 1 2 1
2 4 1 2 1
1 2 1 1 1
1 2 1 1 1
1 1 0 1 1
1 2 1 1 1
1 1 0 1 1
2 3 1 2 1
4 8 2 5 2
6 11 3 7 2
6 12 3 7 3
8 15 4 9 3
8 15 4 9 3
10 18 5 11 3
11 20 6 12 4
11 21 6 13 4
12 22 6 14 4
11 20 6 12 4
9 16 4 10 3
8 15 4 9 3

9 16 4 10 -
9 16 4 10 3
6 12 3 7 3
6 11 3 7 2
5 10 3 6 2
5 10 3 6 2
4 8 2 5 2
3 6 2 4 2
4 7 2 4 2
4 8 2 5 2
5 10 3 6 2
4 8 2 5 2
8 14 4 9 3
10 18 5 11 3
11 21 6 13 4
13 25 7 16 4
14 26 7 16 4
16 29 8 18 5
17 31 9 19 5
18 33 9 21 5
18 33 9 21 5
18 33 9 21 5
16 29 8 18 5
13 25 7 16 4

0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.9
0.9
0.8

1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.5
1.5
1.6
1.6
1.6
1.6
1.7
1.7
1.6

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.2
0.3
0.3
0.3
0.2
0.1

260° W WSW
260° W WSW
260° W WSW
260° W W
260° W W
260° W W
260° W W
260° W W
260° W WSW
260° W WSW
260° W WSW
260° W WSW
260° W WSW
260° W WSW
260° W WSW
260° W W
260° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
260° W WSW
260° W W
260° W W

0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.7
0.7
0.8
0.8
0.8
0.8
0.8

8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
7
7
7

100
100
100
100
100
100
100
100
90
90
100
100
100
100
100
100
100
100
100
90
90
90
90
90

4.4
4.0
3.4
2.6
2.0
1.6
1.4
1.7
2.2
2.9
3.6
4.1
4.2
4.0
3.5
2.9
2.3
1.8
1.5
1.7
2.1
2.7
3.4
4.0

18 65
18 65
18 65
18 65
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 65
18 65
18 65
19 65
19 65
19 65
19 65
19 65
19 65
18 65
18 65

60
40
5
5
0
0
70
80
90
95
95
80
85
80
75
90
90
65
70
65
60
90
95
100

0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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

50
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
20
20

5
5
5
5
5
5
5
4
3
5
10
15
>20
15
15
>20
>20
>20
>20
>20
>20
>20
>20
>20

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

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

18 64
17 62
16 61
16 61
15 60
15 59
15 58
15 58
15 59
16 61
18 64
18 65
19 66
20 67
20 68
20 68
20 68
20 69
20 69
20 68
20 67
19 66
19 66
19 65

15 60
15 59
15 59
15 59
15 58
14 57
14 58
14 57
15 59
16 61
18 65
19 67
20 69
21 69
21 70
20 68
24 74
23 73
22 71
21 70
17 62
16 61
16 60
15 60

3 6 2 2 4
4 7 2 2 4
4 7 2 2 4
3 6 2 2 4
2 4 1 1 2
3 6 2 2 4
2 4 1 1 2
1 1 1 0 1
1 2 1 1 1
2 3 1 1 2
2 4 1 1 2
3 5 1 1 3
3 5 1 1 3
2 4 1 1 2
4 7 2 2 4
4 8 2 2 5
9 16 3 4 10
9 16 3 4 10
11 21 4 6 13
12 22 4 6 14
13 24 4 7 15
13 24 4 7 15
13 25 4 7 16
12 23 4 6 14

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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

Expert opinion

A southwesterly, moderate and mostly variable flow prevails over the whole area.

For Tronoën :
No gale warning.

The reliability of the situation is assessed at 90%.

In the evening, very cloudy.
Light showers. WNW wind force 3. Slight sea. Low, fairly long swell from WSW. Poor visibility.

Tides at Saint-Guenole

69

Low tide 03h54 1.27m

High tide 09h57 4.37m

65

Low tide 16h12 1.39m

High tide 22h19 4.47m

www.shom.fr - © SHOM 2025

Consult the tides for July

Thu

17

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Fri

18

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

Sat

19

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Sun

20

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

Mon

21

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

Tue

22

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

Wed

23

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

Thu

24

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

Fri

25

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

Sat

26

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

Sun

27

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

Mon

28

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

Tue

29

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

Wed

30

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

Thu

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 board sports area Tronoën

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Guenole