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

Groix FRALongitude : -3°29’,136 W Latitude : 47°37’,926 N Altitude : 8m

Wed

17

-

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

Thu

18

-

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

Fri

19

-

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

Sat

20

-

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

Sun

21

-

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

Mon

22

-

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

Tue

23

-

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

Wed

24

-

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

Thu

25

-

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

Fri

26

-

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

Sat

27

-

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

Sun

28

-

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

Mon

29

-

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

Tue

30

-

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

Wed

31

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

BULLETIN

(established in local time)

Reliability 85%

Wind alert - Warning fresh gale for West Britanny.

Wednesday 17 december

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

50

40

30

20

10

90

80

70

60

50

40

30

25

20

15

10

5

60

50

40

30

20

10

5

0

9

6

3

0

15

10

5

0

60

55

50

45

40

35

Thu 18

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

205° SW SSW
205° SW SSW
205° SW SSW
205° SW SSW
200° S SSW
200° S SSW
200° S SSW
195° S SSW
200° S SSW
195° S SSW
200° S SSW
200° S SSW
200° S SSW
200° S SSW
205° SW SSW
200° S SSW
200° S SSW
200° S SSW
195° S SSW
190° S S
190° S S
190° S S
190° S S
195° S SSW

18 34 9 21 5
19 36 10 22 5
20 37 10 23 5
21 39 11 24 6
22 40 11 25 6
23 43 12 27 6
24 45 13 28 6
24 45 13 28 6
25 47 13 29 6
26 49 14 30 6
27 50 14 31 7
26 49 14 30 6
25 46 13 29 6
24 45 13 28 6
24 45 13 28 6
24 44 12 27 6
25 47 13 29 6
27 50 14 31 7
29 53 15 33 7
29 54 15 34 7
30 56 16 35 7
29 54 15 34 7
29 53 15 33 7
29 54 15 34 7

25 46 13 29 6
25 47 13 29 6
26 49 14 30 6
28 52 14 32 7
29 54 15 34 7
32 59 16 37 7
33 62 17 39 8
33 61 17 38 7
35 64 18 40 8
36 67 19 42 8
37 68 19 42 8
37 68 19 42 8
36 67 19 42 8
35 64 18 40 8
34 63 18 39 8
33 61 17 38 7
35 64 18 40 8
37 69 19 43 8
40 74 21 46 8
41 76 21 47 9
43 79 22 49 9
44 82 23 51 9
43 79 22 49 9
42 77 21 48 9

1.7
1.7
1.7
1.7
1.6
1.6
1.7
1.9
2.1
2
2.3
2.4
2.5
2.5
2.6
2.6
2.6
2.8
2.9
3.1
3.3
3.4
3.3
3.4

3
3.1
3.1
3
3
3
3.1
3.4
3.9
3.6
4.2
4.2
4.5
4.6
4.6
4.6
4.7
5
5.3
5.5
5.9
6.2
6
6.2

1.2
1.3
1.3
1.3
1.2
1.3
1.5
1.5
1.4
1.7
2
2.1
2.2
2.2
2.1
2.1
2.3
2.3
2.4
2.6
2.5
2.6
3.2
3.2

270° W W
260° W W
280° W W
280° W WNW
280° W W
280° W W
290° W WNW
290° W WNW
230° SW SW
275° W W
290° W WNW
285° W WNW
290° W WNW
275° W W
275° W W
275° W W
275° W W
240° SW WSW
285° W WNW
285° W WNW
225° SW SW
225° SW SW
155° SE SSE
170° S S

1.1
1.0
1.0
1.0
1.0
1.0
0.7
1.0
1.1
1.0
1.1
1.1
1.0
1.2
1.3
1.4
1.0
1.5
1.6
1.5
1.2
1.3
1.0
1.1

10
8
9
8
8
8
8
8
8
9
9
9
9
10
10
10
10
12
13
16
14
14
12
12

190
180
170
160
120
120
80
90
100
100
120
120
130
220
300
290
280
400
400
390
310
310
350
300

4.5
4.3
3.9
3.3
2.6
2.1
1.8
1.9
2.3
3.0
3.7
4.3
4.6
4.6
4.2
3.6
2.9
2.2
1.9
1.8
2.1
2.7
3.4
4.0

13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

0.4
0
0
0
0
0
0.3
0.6
0.7
0.7
0.3
0.9
0.6
0.7
0.6
1.9
2
2.2
2.2
2.2
2.3
2.2
0.9
0.6

-
-

100
0
0
20
25
40
60
70
80
85
90
90
90
90
90
90
90
90
90
90
85
70
60
65

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

1018
1017
1017
1017
1016
1016
1016
1015
1015
1014
1014
1013
1013
1012
1011
1011
1010
1010
1009
1009
1008
1008
1007
1006

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

12 54
12 54
12 54
12 54
12 54
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 56
14 56
14 57

6 43
6 44
6 43
6 42
6 42
5 42
5 41
5 41
5 41
5 41
5 41
5 41
5 42
6 42
5 42
6 42
5 42
5 41
5 40
4 40
4 40
5 41
6 42
6 42

Forecasts established in local time
Last updated 2h ago | Next update in 1h
Caption

Expert opinion

For Port Saint-Nicolas :
Warning strong breeze.

We are 85% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will begin.

Overcast skies. Light rain. In the evening, overcast skies.
Light rain in the early hours. SSW force 5 in the middle of the day becoming force 6 in the evening. Gusts reaching 35 knots in the evening. Moderate sea. Low, fairly long swell from W. Excellent visibility.

Tides at Port-Tudy

57

High tide 02h46 4.52m

Low tide 08h59 1.9m

60

High tide 15h07 4.47m

Low tide 21h20 1.82m

www.shom.fr - © SHOM 2025

Consult the tides for December

Wed

17

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

Thu

18

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

Fri

19

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

Sat

20

-

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

Sun

21

-

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

Mon

22

-

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

Tue

23

-

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

Wed

24

-

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

Thu

25

-

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

Fri

26

-

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

Sat

27

-

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

Sun

28

-

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

Mon

29

-

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

Tue

30

-

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

Wed

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 anchorage Port Saint-Nicolas

BULLETIN

Wind

Waves

Weather

Temperature

Expert opinion

Tides at Port-Tudy