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

15

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

Thu

16

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Fri

17

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Sat

18

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Sun

19

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Mon

20

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Tue

21

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Wed

22

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Thu

23

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Fri

24

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Sat

25

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Sun

26

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Mon

27

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Tue

28

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Wed

29

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BULLETIN

Reliability 80%

Wednesday 15 apr

METEO CONSULT Run : 14/04 00Z Mesh : 1km Updated, 2h ago Update in 4h

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

40

30

20

10

0

60

50

40

30

20

10

20

15

10

5

0

40

30

20

10

0

10

5

0

3

0

20

15

10

5

60

55

50

45

                                    
                                                                         Thu 16
                                                            
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                    04h
                
                        Run : 14/04 00Z
                Mesh : 1km
                Updated, 2h ago
                Update in 4h

Thu 16

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

215° SW SW
215° SW SW
215° SW SW
215° SW SW
215° SW SW
215° SW SSW
205° SW SSW
210° SW SSW
215° SW SSW
215° SW SW
220° SW SW
230° SW SW
235° SW SW
240° SW WSW
245° SW WSW
250° W WSW
245° SW WSW
245° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
245° SW WSW
245° SW WSW
240° SW WSW

6 12 3 7 3
8 14 4 9 3
9 17 5 11 3
9 17 5 11 3
11 20 6 12 4
12 22 6 14 4
13 24 7 15 4
14 26 7 16 4
16 29 8 18 5
16 30 8 19 5
17 31 9 19 5
16 30 8 19 5
15 28 8 17 4
14 26 7 16 4
12 23 6 14 4
11 20 6 12 4
9 17 5 11 3
9 17 5 11 3
8 15 4 9 3
8 14 4 9 3
8 15 4 9 3
9 16 4 10 3
8 15 4 9 3
8 14 4 9 3

12 23 6 14 4
14 26 7 16 4
16 29 8 18 5
18 34 9 21 5
18 33 9 21 5
22 41 11 25 6
23 43 12 27 6
27 50 14 31 7
29 54 15 34 7
31 58 16 36 7
31 57 16 35 7
31 57 16 35 7
29 53 15 33 7
26 49 14 30 6
24 45 13 28 6
22 41 11 25 6
19 36 10 22 5
18 33 9 21 5
16 30 8 19 5
15 27 8 17 4
15 27 8 17 4
15 28 8 17 4
15 27 8 17 4
15 27 8 17 4

100
100
95
95
95
85
60
80
95
100
100
80
65
55
40
25
15
20
25
30
40
40
35
55

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

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

0
0
0
0
0
0
0
20
35
60
65
50
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
40
60
65
80
80
80
70
70
70
80
80
80
70
55
0
0
0
0
0
0
0

0
0
0
360
3360
9280
26020
42780
41820
14440
10260
20160
45980
40040
25670
12140
1770
0
0
0
0
0
0
0

0.6
4.5
10
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
15
>20
>20
>20
>20

1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022

0
0
0
0
0
1
2
2
1
1
1
2
2
1
1
0
0
0
0
0
0
0
0
0

13 56
13 56
13 56
13 55
13 55
13 56
14 57
14 58
15 58
14 57
14 57
15 58
15 58
15 59
15 58
14 57
13 55
12 54
11 53
12 53
12 54
12 54
12 53
12 53

11 52
11 51
10 50
10 49
10 49
10 51
12 54
14 57
14 56
10 50
9 49
11 52
14 58
14 57
13 55
11 52
10 49
9 48
9 47
9 49
9 49
9 48
9 48
9 48

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 very cloudy to overcast in the morning, increasing sunny spells in the afternoon. No precipitation in the morning, light showers in the afternoon.
In the evening, lots of good clear periods. No precipitation. SW force 4 in the morning temporarily force 5 in the middle of the day. Gusts reaching 31 knots in the middle of the day. Visibility reduced by mist 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)
05h	200	10	21	13.2	-	0
04h	200	8	19	13.2	-	0
03h	200	9	17	13.1	-	0

observation.semaphores_link

Météo France - RADOME

observation.semaphore_link

Tides at Arradon

73

High tide 06h04 2.73m

Low tide 12h16 0.25m

81

High tide 18h25 2.66m

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

Consult the tides for April

Go further

Wed

15

-

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

Thu

16

-

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

Fri

17

-

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

Sat

18

-

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

Sun

19

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

Mon

20

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

Tue

21

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

Wed

22

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

Thu

23

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

Fri

24

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

Sat

25

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

Sun

26

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

Mon

27

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

Tue

28

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

Wed

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