Weather Port-Blanc - Detailed bulletin - Free 15-day Marine forecasts

Larmor-Baden FRALon : -2°51’,618 W Lat : 47°35’,94 N Alt : 0m

Wed

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

Thu

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Fri

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Sat

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Sun

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Mon

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Tue

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Wed

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Thu

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Fri

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Sat

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Sun

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Mon

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Tue

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Wed

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BULLETIN

Reliability 70%

Wednesday 19 aug

METEO CONSULT Run : 19/08 21Z Mesh : 4km Updated, 31min ago Update imminent

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Weather

Rain (mm) (mm)

Clouds:

Cloud cover (%)

Precipitation:

Amount of precipitation (mm)

Type of precipitation

Risks:

Precipitation risk (%)

Storm risk. (%)

Brightness:

Luminosity index (%)

LUMEN (lm)

Visibility (km)

Pressure (hPa)

UV

Temperature

Air temp

Perceived temp

Air temp

Perceived temp

30

20

10

0

60

50

40

30

20

10

15

10

5

0

40

30

20

10

0

10

5

0

3

0

30

25

20

15

10

80

70

60

50

                                    
                                                                         Thu 20
                                                            
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                        Run : 19/08 21Z
                Mesh : 4km
                Updated, 31min ago
                Update imminent

Thu 20

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

290° W WNW
285° W WNW
280° W W
270° W W
265° W W
265° W W
265° W W
265° W W
265° W W
265° W W
270° W W
270° W W
265° W W
260° W W
260° W W
255° W WSW
260° W W
260° W W
260° W W
260° W W
265° W W
270° W W
275° W W
285° W WNW

8 14 4 9 3
8 14 4 9 3
7 13 4 8 3
6 11 3 7 2
7 13 4 8 3
8 15 4 9 3
8 15 4 9 3
8 15 4 9 3
9 16 4 10 3
9 16 4 10 3
9 17 5 11 3
10 19 5 12 3
10 19 5 12 3
11 21 6 13 4
12 22 6 14 4
12 23 6 14 4
13 25 7 16 4
13 25 7 16 4
15 27 8 17 4
15 27 8 17 4
14 26 7 16 4
12 23 6 14 4
10 19 5 12 3
8 15 4 9 3

17 31 9 19 5
16 30 8 19 5
15 27 8 17 4
11 21 6 13 4
12 22 6 14 4
16 29 8 18 5
16 29 8 18 5
16 30 8 19 5
17 31 9 19 5
15 28 8 17 4
18 33 9 21 5
19 36 10 22 5
22 40 11 25 6
21 38 11 24 5
23 42 12 26 6
24 44 12 27 6
25 47 13 29 6
26 48 13 30 6
27 50 14 31 7
27 50 14 31 7
26 49 14 30 6
25 46 13 29 6
22 41 11 25 6
18 34 9 21 5

0
0
0
40
40
50
50
65
50
50
55
50
60
50
50
20
45
25
10
15
25
10
10
10

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
35
35
35
30
25
20
45
25
25
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
50
65
70
80
80
90
90
90
90
90
80
80
70
60
25

0
0
0
0
0
0
0
0
0
990
8290
18500
32110
42150
54190
58260
62200
63430
58450
46970
33620
18360
4600
60

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

1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

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

18 64
18 64
17 63
17 62
17 62
17 63
17 62
17 63
18 64
18 64
19 65
19 67
20 67
20 68
21 70
21 70
21 71
21 71
22 71
21 70
21 69
20 68
19 67
18 65

15 59
15 59
15 58
14 58
14 57
14 58
14 57
14 58
14 58
15 58
16 61
18 64
19 67
24 74
25 77
26 78
26 78
26 78
25 77
24 74
22 71
18 64
16 61
16 60

Forecasts established in local time
Caption Glossary

Expert opinion

For Port-Blanc : No gale warning.

We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.

In the evening, clear skies. WNW wind force 4. Gusts reaching 22 knots in the evening. Excellent visibility.

semaphore stations

Station Vannes-Sene located 11 km from Port-Blanc

	WIND			WEATHER
Local time	Dir. (°)	Speed (nd)	Gust (nd)	Temp. (°C)	Pressure (hPa)	Visibility (M)
23h	280	9	21	18.3	-	0
22h	290	9	26	19.2	-	0
21h	270	12	31	20.8	-	0

Nearby signal stations

Météo France - RADOME

Signal station weather

Tides at Arradon

57

Low tide 05h47 0.41m

High tide 11h48 2.44m

Low tide 18h05 0.5m

www.shom.fr - © SHOM 2026 - Local times

Consult the tides for August

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Wed

19

-

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

Thu

20

-

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

Fri

21

-

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

Sat

22

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

Sun

23

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

Mon

24

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

Tue

25

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

Wed

26

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

Thu

27

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

Fri

28

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

Sat

29

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

Sun

30

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

Mon

31

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

Tue

01

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

Wed

02

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

Weather anchorage Port-Blanc

BULLETIN

Wind

Weather

Temperature

Expert opinion

semaphore stations

Tides at Arradon

Go further