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

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

Fri

15

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

Sat

16

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

Sun

17

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

Mon

18

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

Tue

19

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

Wed

20

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Thu

21

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Fri

22

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Sat

23

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Sun

24

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

Mon

25

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Tue

26

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Wed

27

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Thu

28

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Fri

29

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BULLETIN

Reliability 80%

Friday 15 may

METEO CONSULT Run : 14/05 00Z Mesh : 1km Updated, 50min ago Update in 5h

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

20

15

10

5

0

40

30

20

10

0

15

10

5

0

25

20

15

10

5

0

10

5

0

3

0

20

15

10

5

0

70

60

50

40

30

                                    
                                                                         Sat 16
                                                            
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                        Run : 14/05 00Z
                Mesh : 1km
                Updated, 50min ago
                Update in 5h

Sat 16

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

325° NW NW
330° NW NNW
330° NW NNW
335° NW NNW
335° NW NNW
345° N NNW
355° N N
355° N N
350° N N
340° N NNW
320° NW NW
310° NW NW
305° NW WNW
310° NW NW
315° NW NW
310° NW NW
325° NW NW
325° NW NW
325° NW NW
325° NW NNW
315° NW NW
305° NW WNW
295° NW WNW
295° NW WNW

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

11 20 6 12 4
11 20 6 12 4
11 20 6 12 4
11 21 6 13 4
12 22 6 14 4
13 24 7 15 4
15 27 8 17 4
16 29 8 18 5
16 30 8 19 5
15 27 8 17 4
15 28 8 17 4
15 28 8 17 4
14 26 7 16 4
17 32 9 20 5
19 35 10 22 5
17 31 9 19 5
19 35 10 22 5
16 30 8 19 5
16 29 8 18 5
15 28 8 17 4
12 22 6 14 4
10 19 5 12 3
11 20 6 12 4
11 20 6 12 4

0
10
10
15
15
15
20
35
50
50
55
60
70
70
60
65
45
30
40
40
30
0
20
25

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

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

0
50
50
0
0
0
0
0
0
0
30
45
50
45
45
35
30
20
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
70
70
80
80
80
90
90
80
80
80
80
70
70
65
45
0
0
0
0
0

0
0
0
900
10010
24320
37950
44050
38160
58180
62710
38410
32580
44570
39790
13660
16870
6810
530
0
0
0
0
0

5
5
5
5
5
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
15
15

1006
1006
1007
1007
1008
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013

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

7 44
6 43
6 42
5 42
6 43
9 49
11 52
12 54
13 56
14 57
15 58
15 59
15 58
15 58
14 58
14 57
13 55
12 53
10 51
9 48
8 46
7 44
6 43
6 43

4 40
4 39
4 38
3 38
5 40
9 48
12 54
14 57
14 57
17 63
19 66
17 63
16 60
17 62
15 59
13 55
11 53
10 50
8 46
7 44
6 42
5 40
4 39
4 39

Forecasts established in local time
Caption Glossary

Expert opinion

For Port-Blanc : No gale warning.

The reliability of the situation is assessed at 80%.

Skies changeable to very cloudy. Light showers progressively dying out in the morning, showers late in the day.
In the evening, cloudy spells, sometimes dense. Possibility of showers NNW wind force 3 continuing all day. Gusts reaching 19 knots in the evening. Poor visibility becoming excellent in the middle of the day.

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)
04h	320	8	20	6.6	-	0
03h	320	10	22	6.7	-	0
02h	320	9	19	6.5	-	0

observation.semaphores_link

Météo France - RADOME

observation.semaphore_link

Tides at Arradon

83

High tide 06h08 2.75m

Low tide 12h22 0.22m

88

High tide 18h31 2.73m

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

Consult the tides for May

Go further

Fri

15

-

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

Sat

16

-

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

Sun

17

-

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

Mon

18

-

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

Tue

19

-

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

Wed

20

-

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

Thu

21

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

Fri

22

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

Sat

23

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

Sun

24

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

Mon

25

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

Tue

26

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

Wed

27

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

Thu

28

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

Fri

29

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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 anchorage Port-Blanc

BULLETIN

Wind

Weather

Temperature

Expert opinion

semaphore stations

Tides at Arradon

Go further