Weather Tréffiagat - Guilvinec - Detailed bulletin - Free 15-day Marine forecasts

Guilvinec FRALongitude : -4°17’,1 W Latitude : 47°47’,502 N Altitude : 0m

Thu

04

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

Fri

05

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Sat

06

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Sun

07

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Mon

08

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Tue

09

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Wed

10

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Thu

11

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Fri

12

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Sat

13

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Sun

14

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Mon

15

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Tue

16

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Wed

17

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Thu

18

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BULLETIN

(established in local time)

Reliability 80%

Wind alert - Warning moderate gale offshore.

Thursday 4 september

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)

40

30

20

10

0

70

60

50

40

30

20

10

0

20

15

10

5

0

50

40

30

20

10

0

10

5

0

2.5

2

1.5

1

3

0

20

15

10

5

70

65

60

55

50

45

Fri 5

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

265° W W
270° W W
275° W W
280° W W
280° W W
285° W WNW
275° W W
270° W W
275° W W
280° W W
280° W W
280° W W
285° W WNW
285° W WNW
285° W WNW
285° W WNW
285° W WNW
285° W WNW
285° W WNW
285° W WNW
280° W W
275° W W
270° W W
275° W W

21 38 11 24 5
19 35 10 22 5
16 29 8 18 5
15 28 8 17 4
16 29 8 18 5
13 24 7 15 4
13 25 7 16 4
15 27 8 17 4
13 25 7 16 4
14 26 7 16 4
14 26 7 16 4
13 25 7 16 4
12 23 6 14 4
10 19 5 12 3
10 19 5 12 3
8 15 4 9 3
8 15 4 9 3
8 14 4 9 3
7 13 4 8 3
6 11 3 7 2
5 10 3 6 2
5 9 3 6 2
4 8 2 5 2
3 6 2 4 2

37 68 19 42 8
32 60 17 37 7
26 49 14 30 6
26 48 13 30 6
25 46 13 29 6
28 51 14 32 7
22 40 11 25 6
23 43 12 27 6
24 44 12 27 6
22 41 11 25 6
22 40 11 25 6
23 42 12 26 6
21 38 11 24 5
19 35 10 22 5
18 34 9 21 5
16 30 8 19 5
16 29 8 18 5
12 22 6 14 4
11 20 6 12 4
9 17 5 11 3
8 15 4 9 3
7 13 4 8 3
6 11 3 7 -
5 10 3 6 -

2.2
2.2
2.3
2.3
2.3
2.2
2.2
2.1
2
1.9
1.8
1.8
1.7
1.7
1.6
1.6
1.6
1.6
1.5
1.5
1.4
1.8
1.7
1.7

4
4.1
4.1
4.1
4.1
4
3.9
3.8
3.6
3.5
3.4
3.2
3.1
3
3
2.9
2.9
2.8
2.8
2.7
2.6
3.2
3.1
3.1

1.4
1.1
0.7
0.6
0.6
0.6
0.7
0.6
0.5
0.5
0.5
0.4
0.4
0.3
0.2
0.2
0.2
0.2
0.2
0.1
0.1
0.2
0.1
0

230° SW SW
235° SW SW
235° SW SW
235° SW WSW
235° SW WSW
235° SW WSW
235° SW SW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
245° SW WSW
260° W W
260° W W
260° W W

1.8
2.0
2.1
2.2
2.2
2.1
2.0
2.0
1.9
1.9
1.8
1.7
1.7
1.6
1.6
1.6
1.6
1.5
1.5
1.4
1.4
1.8
1.7
1.7

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

160
160
160
160
160
170
170
170
170
170
170
170
160
160
160
150
150
150
150
150
150
120
120
120

2.3
2.1
2.1
2.4
2.9
3.4
3.8
4.1
4.1
3.9
3.4
2.8
2.2
1.9
1.8
2.0
2.4
3.0
3.6
4.0
4.1
4.0
3.6
3.0

16 60
15 60
15 60
15 60
15 60
15 60
16 60
16 60
16 60
15 60
15 60
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59

35
0
80
50
80
70
65
45
75
75
60
85
80
75
45
25
60
10
5
25
25
70
40
65

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

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

25
25
0
0
25
20
30
30
25
25
20
20
20
20
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
15
10
10
10
10
10

1008
1009
1010
1011
1012
1012
1013
1013
1014
1014
1015
1015
1016
1016
1017
1018
1019
1019
1019
1019
1020
1020
1020
1021

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

16 61
17 62
17 63
18 64
17 63
17 63
18 64
18 64
18 64
18 64
18 64
17 63
17 62
16 61
16 60
15 60
15 59
15 59
15 59
15 58
14 58
14 58
14 57
14 57

10 50
13 56
14 56
16 61
16 61
18 64
18 65
18 65
18 64
17 63
16 61
15 58
13 56
12 54
12 53
12 54
12 54
12 54
12 54
12 54
12 54
13 55
12 54
13 55

22 40 6 11 25
21 38 5 11 24
19 36 5 10 22
18 34 5 9 21
16 29 5 8 18
16 30 5 8 19
15 27 4 8 17
16 30 5 8 19
17 31 5 9 19
16 30 5 8 19
16 30 5 8 19
16 30 5 8 19
16 29 5 8 18
15 27 4 8 17
14 26 4 7 16
13 24 4 7 15
11 21 4 6 13
10 18 3 5 11
9 17 3 5 11
8 15 3 4 9
8 14 3 4 9
7 13 3 4 8
6 11 2 3 7
6 11 2 3 7

3.5
3.5
3.4
3.3
3.2
3.2
3.1
3
2.9
2.8
2.7
2.6
2.5
2.5
2.4
2.4
2.4
2.3
2.3
2.2
2.2
1.9
1.9
1.8

Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Last updated 1h ago | Next update in 2h
Caption

Expert opinion

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

For Tréffiagat - Guilvinec :
Warning moderate gale offshore.

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

Cloudy spells, dense at times in the morning, very cloudy with possibility of thunder storms in the afternoon. Light showers progressively dying out in the morning, possibility of showers in the afternoon. In the evening, clear periods developing.
Chance of light rain. W force 6 becoming force 5 in the middle of the day then WNW force 4. Gusts reaching 39 knots in the morning. Moderate sea. Moderate, fairly long swell from WSW. Excellent visibility.

Tides at Le Guilvinec

41

High tide 03h15 3.84m

Low tide 09h28 2.1m

49

High tide 15h37 4.17m

Low tide 21h49 1.77m

www.shom.fr - © SHOM 2025

Consult the tides for September

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

Tue

16

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

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

* +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 port Tréffiagat - Guilvinec

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Le Guilvinec