Weather Saint-Guénolé - Detailed bulletin - Free 15-day Marine forecasts

Saint-Guénolé FRALongitude : -4°22’,8654 W Latitude : 47°48’,924 N Altitude : 0m

Thu

17

-

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

Fri

18

-

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

Sat

19

-

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

Sun

20

-

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

Mon

21

-

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

Tue

22

-

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

Wed

23

-

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

Thu

24

-

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

Fri

25

-

- 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

-

- 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)

15

10

5

0

30

20

10

0

10

5

0

15

10

5

0

5

0

1

0.5

3

0

30

25

20

15

10

80

75

70

65

60

55

Fri 18

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

295° NW WNW
280° W W
285° W WNW
285° W WNW
285° W WNW
300° NW WNW
75° E ENE
100° E E
110° E ESE
185° S S
195° S SSW
200° S SSW
210° SW SSW
215° SW SW
230° SW SW
240° SW WSW
250° W WSW
260° W W
275° W W
280° W W
295° NW WNW
300° NW WNW
305° NW NW
310° NW NW

5 10 3 6 2
4 7 2 4 2
4 7 2 4 2
4 7 2 4 2
3 6 2 4 2
1 2 1 1 1
0 0 0 0 0
1 2 1 1 1
1 2 1 1 1
1 2 1 1 1
3 6 2 4 2
4 7 2 4 2
4 8 2 5 2
5 10 3 6 2
5 10 3 6 2
6 12 3 7 3
6 12 3 7 3
7 13 4 8 3
7 13 4 8 3
8 14 4 9 3
6 11 3 7 2
5 10 3 6 2
5 9 3 6 2
5 9 3 6 2

6 11 - 7 -
5 9 3 6 -
5 9 3 6 -
5 10 3 6 -
5 10 3 6 -
4 8 2 5 2
5 9 3 6 2
4 8 2 5 2
4 8 2 5 2
4 8 2 5 2
5 10 3 6 -
6 12 3 7 3
8 14 4 9 3
9 16 4 10 3
9 17 5 11 3
10 19 5 12 -
10 19 5 12 -
10 19 5 12 -
11 21 6 13 4
11 20 6 12 4
11 20 6 12 4
9 17 5 11 3
9 16 4 10 3
8 15 4 9 3

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

1.8
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.6
1.6

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

270° W W
270° W W
270° W W
270° W W
270° W W
270° W W
265° W W
265° W W
265° W W
265° W W
265° W W
265° W W
265° W W
265° W W
265° W W
265° W W
265° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W

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

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

80
80
80
80
80
80
80
80
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90

2.7
1.9
1.4
1.3
1.5
2.1
2.9
3.6
4.2
4.4
4.2
3.6
2.9
2.2
1.7
1.4
1.5
2.0
2.7
3.5
4.1
4.4
4.4
4.0

18 64
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
18 64
18 64
18 64
18 64
18 65
18 65
19 65
19 65
18 65
18 65
18 65
18 65
18 65
18 65

0
25
75
80
85
90
90
90
85
85
85
80
70
75
85
10
5
10
15
30
40
50
45
35

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

1
3
2
4
4
3
5
10
15
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
15
10
10
5

1021
1021
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1016

0
0
0
0
0
0
0
0
1
1
2
3
5
5
4
7
5
3
2
1
0
0
0
0

17 63
16 61
16 61
16 61
16 60
16 60
16 60
16 62
17 63
18 65
19 66
19 66
19 67
20 67
20 67
20 68
20 68
20 68
19 67
19 66
18 65
18 64
17 63
17 62

15 59
15 59
15 58
15 58
15 58
15 59
16 60
17 62
18 65
20 69
21 70
23 73
24 76
25 76
24 76
24 75
23 73
21 70
19 65
17 62
17 62
16 60
15 60
15 59

4 7 2 2 4
5 9 2 3 6
4 8 2 2 5
4 7 2 2 4
3 6 2 2 4
2 3 1 1 2
1 2 1 1 1
2 3 1 1 2
3 6 2 2 4
4 7 2 2 4
4 7 2 2 4
4 8 2 2 5
5 10 2 3 6
5 10 2 3 6
5 9 2 3 6
5 9 2 3 6
5 10 2 3 6
5 9 2 3 6
4 8 2 2 5
5 10 2 3 6
5 9 2 3 6
5 9 2 3 6
4 8 2 2 5
4 7 2 2 4

1.2
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.1
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 for the approach to the port, up to 1 mile from the coast, in local time
Last updated 15min ago | Next update in 3h
Caption

Expert opinion

High 1024 hPa centered on the South-East of the Bay of Biscay moving at 6 knots to the West-North-West and weakening to 1021 hPa to be centered at 100 nautical miles in the South-West of the Île de Sein.

For Saint-Guénolé :
No gale warning.

We are 90% sure of the situation, because the clear patches could move in later than forecast.

Very cloudy. But clear spells will become more and more widespread. No precipitation. In the evening, relatively clear skies becoming changeable.
S force 2 turning SW force 3 in the middle of the day then WNW. Gusts reaching 11 knots in the evening. Slight sea. Low, short swell from W. Visibility reduced by mist becoming excellent in the middle of the day then good.

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

-

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

Fri

18

-

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

Sat

19

-

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

Sun

20

-

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

Mon

21

-

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

Tue

22

-

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

Wed

23

-

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

Thu

24

-

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

Fri

25

-

- 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

-

- 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 Saint-Guénolé

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Guenole