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

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

Wed

23

-

- 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

-

- 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

-

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

Thu

31

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

Fri

01

-

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

Sat

02

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

Sun

03

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

Mon

04

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

Tue

05

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

Wed

06

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

BULLETIN

(established in local time)

Reliability 90%

No gale warning.

Wednesday 23 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)

25

20

15

10

5

50

40

30

20

10

15

10

5

0

30

20

10

0

10

5

0

1

0.5

3

0

30

25

20

15

10

80

70

60

50

Thu 24

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

300° NW WNW
300° NW WNW
300° NW WNW
305° NW WNW
310° NW NW
315° NW NW
330° NW NNW
330° NW NNW
335° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
335° NW NNW
335° NW NNW
335° NW NNW
335° NW NNW
330° NW NNW
335° NW NNW
345° N NNW
345° N NNW
345° N NNW

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

17 31 9 19 5
20 37 10 23 5
21 38 11 24 5
23 43 12 27 6
23 43 12 27 6
23 43 12 27 6
22 41 11 25 6
21 38 11 24 5
19 36 10 22 5
18 34 9 21 5
16 29 8 18 5
14 26 7 16 4
13 24 7 15 4
13 25 7 16 4
14 26 7 16 4
14 26 7 16 4
14 26 7 16 4
13 24 7 15 4
11 21 6 13 4
12 23 6 14 4
13 25 7 16 4
16 30 8 19 5
16 30 8 19 5
16 30 8 19 5

0.6
0.6
0.7
0.7
0.7
0.7
0.7
0.7
0.6
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.6
0.6
0.5

1.2
1.3
1.4
1.4
1.4
1.4
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.4
1.4
1.4
1.4
1.3
1.3
1.2
1.1
1.1
1.1
1.1

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

240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
245° SW WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
260° W WSW
260° W WSW
255° W WSW
255° W WSW
255° W WSW
260° W W

0.5
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.7
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.6
0.5
0.5
0.5

7
7
7
6
6
6
7
7
7
6
6
7
7
7
7
7
7
7
7
7
7
7
7
7

70
70
70
60
60
60
60
60
60
70
70
70
70
70
70
70
70
80
80
80
80
80
90
80

2.6
3.5
4.2
4.7
4.7
4.4
3.7
2.8
2.0
1.4
1.2
1.4
2.0
2.8
3.7
4.3
4.7
4.5
4.0
3.2
2.3
1.6
1.3
1.4

14 58
15 58
15 58
15 58
15 58
15 58
14 58
14 58
14 58
14 58
14 58
14 58
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 56
14 57
14 57
14 57
14 57

55
65
45
45
40
45
20
40
75
55
80
25
45
45
30
30
30
25
30
25
70
45
30
45

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
15
15
>20
>20
>20
>20

1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019

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

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

19 66
18 65
21 70
20 68
20 68
19 67
19 66
17 63
16 60
14 58
14 56
14 56
13 55
13 55
12 54
12 53
12 53
12 53
12 53
14 56
16 60
18 64
20 68
25 77

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

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

Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Last updated 48min ago | Next update in 3h
Caption

Expert opinion

High 1024 hPa centered at 290 nautical miles in the West-North-West of Cape Finisterre (Spain) moving at 22 knots to the North-North-East to be centered at 150 nautical miles in the West-South-West of Fastnet Rock (South-West Ireland).

For Tréffiagat - Guilvinec :
No gale warning.

We are 90% sure of the situation, because the cloud system could clear up more slowly than forecast.

Clear periods developing. No precipitation. In the evening, good clear periods but cloud building.
No precipitation. WNW force 5 in the middle of the day turning NNW force 4 in the evening. Gusts reaching 23 knots. Slight sea. Low, short swell from WSW. Excellent visibility.

Tides at Le Guilvinec

69

High tide 04h20 4.49m

Low tide 10h26 1.45m

73

High tide 16h43 4.76m

Low tide 22h58 1.19m

www.shom.fr - © SHOM 2025

Consult the tides for July

Wed

23

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

Thu

24

-

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

Fri

25

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

Sat

26

-

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

Sun

27

-

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

Mon

28

-

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

Tue

29

-

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

Wed

30

-

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

Thu

31

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

Fri

01

-

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

Sat

02

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

Sun

03

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

Mon

04

-

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

Tue

05

-

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

Wed

06

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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