Weather Port Saint-Nicolas - Detailed bulletin - Free 15-day Marine forecasts

Groix FRALon : -3°29’,136 W Lat : 47°37’,926 N Alt : 8m

Wed

13

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

Thu

14

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

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

Thu

21

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Fri

22

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

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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- 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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BULLETIN

Reliability 85%

No gale warning.

Marine wind risk

Wednesday 13 may

METEO CONSULT Run : 13/05 00Z Mesh : 4km Updated, 35min ago Update imminent

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell (m) (m)

legend.title.wave_height

Total sea (m)

legend.title.wind_sea

Wind (m)

legend.title.swell

Swell direction

Swell height (m)

Swell period (s)

Wave length (m)

High tide (m)

Sea temp

Weather

Rain (mm) (mm)

Clouds:

Cloud cover (%)

Precipitation:

Amount of precipitation (mm)

Type of precipitation

Risks:

Precipitation risk (%)

Storm risk. (%)

Brightness:

Visibility (km)

Pressure (hPa)

UV

Temperature

Air temp

Perceived temp

Air temp

Perceived temp

35

30

25

20

15

70

60

50

40

30

20

15

10

5

40

30

20

10

5

1.5

1

0.5

3

0

15

10

5

0

60

55

50

45

40

35

                                    
                                                                         Thu 14
                                                            
                    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 : 13/05 00Z
                Mesh : 4km
                Updated, 35min ago
                Update imminent

Thu 14

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

315° NW NW
310° NW NW
310° NW NW
305° NW NW
305° NW NW
310° NW NW
305° NW NW
310° NW NW
315° NW NW
315° NW NW
320° NW NW
320° NW NW
320° NW NW
315° NW NW
310° NW NW
315° NW NW
320° NW NW
315° NW NW
320° NW NW
310° NW NW
315° NW NW
330° NW NNW
325° NW NNW
330° NW NNW

17 32 9 20 5
18 33 9 21 5
18 33 9 21 5
18 34 9 21 5
19 35 10 22 5
19 35 10 22 5
19 36 10 22 5
19 36 10 22 5
18 33 9 21 5
21 38 11 24 5
19 36 10 22 5
18 34 9 21 5
19 36 10 22 5
19 36 10 22 5
19 36 10 22 5
19 36 10 22 5
17 32 9 20 5
16 29 8 18 5
17 32 9 20 5
20 37 10 23 5
19 36 10 22 5
19 35 10 22 5
17 32 9 20 5
16 30 8 19 5

27 50 14 31 7
27 50 14 31 7
27 50 14 31 7
28 51 14 32 7
28 51 14 32 7
28 51 14 32 7
29 54 15 34 7
31 57 16 35 7
29 54 15 34 7
31 58 16 36 7
29 54 15 34 7
29 53 15 33 7
30 55 15 34 7
30 56 16 35 7
29 53 15 33 7
29 54 15 34 7
30 56 16 35 7
26 48 13 30 6
32 59 16 37 7
31 57 16 35 7
29 53 15 33 7
32 60 17 37 7
28 52 14 32 7
26 49 14 30 6

1.1
1.1
1.1
1.2
1.2
1.2
1.2
1.1
1
1
0.9
0.9
1.1
1.1
1.2
1.2
1.3
1.3
1.2
1.2
1
0.9
0.9
0.8

0.6
0.6
0.8
0.9
1
0.9
0.9
0.9
0.8
0.8
0.7
0.7
0.6
0.6
0.6
0.9
1.1
1
1
0.8
0.7
0.6
0.6
0.5

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

0.7
0.7
0.6
0.6
0.7
0.7
0.7
0.6
0.6
0.5
0.6
0.7
0.7
0.8
0.7
0.7
0.7
0.7
0.8
0.8
0.7
0.7
0.7
0.6

6
6
6
7
7
7
7
7
7
7
7
7
8
7
8
7
8
8
7
7
7
7
7
7

60
60
60
70
70
60
60
70
70
70
70
70
70
70
70
90
90
70
70
60
60
60
70
70

2.3
3.1
3.8
4.4
4.7
4.6
4.2
3.4
2.5
1.8
1.4
1.4
1.9
2.6
3.4
4.2
4.7
4.8
4.4
3.7
2.9
2.0
1.5
1.3

14 57
14 57
14 57
14 57
14 56
14 56
14 56
14 56
14 56
14 56
14 56
14 56
14 56
14 56
14 56
14 56
14 56
14 56
14 56
14 56
13 56
13 56
13 56
13 56

0
15
0
55
60
45
50
65
25
30
35
30
70
80
85
100
100
100
100
100
100
100
95
75

0
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.2
0.2
0.1
0
0

-
-
-
-
-
-
-
-
-
-

0
60
35
0
0
25
25
20
0
0
0
0
0
0
0
30
45
55
65
65
65
55
40
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

>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
1011
1011
1010
1010
1010
1009
1009
1009
1009
1008
1008
1008
1008
1007
1007
1007
1006
1006
1005
1005
1005
1005
1005

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

12 53
11 52
11 51
10 50
10 50
10 49
10 49
10 49
9 49
10 50
11 51
11 53
12 54
13 55
13 56
12 54
12 53
12 54
12 53
11 52
11 51
10 50
10 50
9 48

6 43
6 42
5 41
4 39
4 39
4 38
3 38
3 38
4 38
4 40
7 44
9 48
9 49
10 50
11 51
10 49
9 47
8 47
7 45
7 44
6 42
5 40
5 40
4 39

Forecasts established in local time
Caption Glossary

Expert opinion

For Port Saint-Nicolas :
No gale warning.

The reliability of the situation is assessed at 85%.

In the evening, very cloudy.
Light showers. NW wind force 6. Gusts reaching 33 knots in the evening. Slight sea. Low, short swell from WSW. Excellent visibility.

semaphore stations

Station Ile De Groix located 3 km from Port Saint-Nicolas

	WIND			WEATHER
Local time	Dir. (°)	Speed (nd)	Gust (nd)	Temp. (°C)	Pressure (hPa)	Visibility (M)
23h	320	34	62	11.6	-	9
22h	320	45	71	11.9	-	0
21h	310	43	76	12.3	-	0

observation.semaphores_link

Météo France - RADOME

observation.semaphore_link

Tides at Port-Tudy

57

High tide 02h29 4.47m

Low tide 08h41 1.66m

64

High tide 14h59 4.5m

Low tide 21h04 1.64m

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

Consult the tides for May

Go further

Wed

13

-

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

Thu

14

-

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

Fri

15

-

- 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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- 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

* +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 Saint-Nicolas

BULLETIN

Wind

Waves

Weather

Temperature

Expert opinion

semaphore stations

Tides at Port-Tudy

Go further