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

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

Mon

15

-

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

Tue

16

-

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

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

BULLETIN

(established in local time)

Reliability 90%

Wind alert - Warning moderate gale for West Britanny.

Monday 15 september

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

40

30

20

10

70

60

50

40

30

20

15

10

5

50

40

30

20

10

5

0

5

0

3

0

20

15

10

5

65

60

55

50

45

Tue 16

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

270° W W
265° W W
265° W W
265° W W
265° W W
265° W W
270° W W
270° W W
270° W W
275° W W
275° W W
275° W W
275° W W
275° W W
275° W W
275° W W
275° W W
275° W W
275° W W
280° W W
280° W W
280° W W
280° W W
275° W W

21 39 11 24 6
22 41 11 25 6
23 43 12 27 6
24 44 12 27 6
24 45 13 28 6
24 44 12 27 6
24 44 12 27 6
24 44 12 27 6
23 43 12 27 6
23 42 12 26 6
21 39 11 24 6
20 37 10 23 5
19 35 10 22 5
18 34 9 21 5
18 34 9 21 5
18 33 9 21 5
17 32 9 20 5
17 32 9 20 5
17 31 9 19 5
16 30 8 19 5
16 29 8 18 5
15 27 8 17 4
13 25 7 16 4
12 23 6 14 4

35 65 18 40 8
34 63 18 39 8
32 60 17 37 7
32 60 17 37 7
32 60 17 37 7
32 60 17 37 7
32 60 17 37 7
32 60 17 37 7
32 59 16 37 7
31 58 16 36 7
30 56 16 35 7
29 54 15 34 7
27 50 14 31 7
26 48 13 30 6
26 48 13 30 6
26 48 13 30 6
24 45 13 28 6
24 45 13 28 6
23 43 12 27 6
22 41 11 25 6
22 41 11 25 6
21 39 11 24 6
20 37 10 23 5
19 35 10 22 5

2
2
2.1
2
2
1.9
1.8
1.8
1.8
1.9
1.9
1.9
1.8
1.8
1.8
1.8
1.8
1.7
1.6
1.8
1.8
1.7
1.7
1.6

3.6
3.7
3.7
3.7
3.6
3.4
3.3
3.3
3.3
3.4
3.4
3.4
3.3
3.3
3.3
3.3
3.2
3
2.9
3.3
3.2
3.1
3
2.9

1.7
1.8
1.7
1.8
1.6
1.5
1.5
1.4
1.4
1.4
1.4
1.3
1.2
1.2
1.2
1.2
1.1
1
0.9
0.7
0.7
0.8
0.7
0.5

275° W W
280° W W
255° W WSW
170° S S
215° SW SW
170° S S
150° SE SSE
150° SE SSE
150° SE SSE
155° SE SSE
155° SE SSE
155° SE SSE
240° SW WSW
285° W WNW
265° W W
270° W W
270° W W
270° W W
265° W W
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW

0.9
0.8
1.0
0.9
1.0
1.0
0.9
1.0
1.0
1.1
1.1
1.2
1.2
1.3
1.3
1.3
1.3
1.2
1.2
1.7
1.6
1.5
1.5
1.5

9
9
9
9
9
9
10
10
10
10
11
11
11
11
10
10
10
10
10
10
10
10
10
10

130
140
140
140
140
150
150
150
160
160
170
180
180
190
190
200
200
200
190
130
130
130
130
130

3.9
4.1
4.1
3.8
3.4
3.0
2.5
2.2
2.1
2.3
2.5
2.9
3.3
3.7
3.9
3.9
3.7
3.4
2.9
2.6
2.3
2.3
2.5
2.8

17 63
17 62
17 62
17 62
17 63
17 63
17 63
17 63
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
16 62
16 62
16 62
16 62
16 62

0
10
85
85
65
40
65
40
40
75
55
40
70
85
70
40
35
40
45
40
45
50
60
85

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

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

25
80
0
0
0
0
0
0
0
0
20
20
25
25
25
20
20
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

1017
1018
1018
1019
1019
1019
1020
1020
1020
1020
1021
1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024

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

17 62
17 62
17 63
17 63
17 63
18 64
18 64
17 63
17 63
17 62
17 62
16 62
16 61
16 61
16 61
16 61
16 60
16 60
16 60
15 60
15 60
15 60
15 60
16 61

14 56
15 59
14 57
14 58
15 59
15 59
15 59
14 57
13 56
12 53
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
11 51
11 51
12 54

Forecasts established in local time
Last updated 32min ago | Next update in 3h
Caption

Expert opinion

For Port Saint-Nicolas :
Warning strong breeze.

The reliability of the situation is assessed at 90%.

Cloud and sun in the morning, increasing sunny spells in the afternoon. Some light showers in the morning, no precipitation in the afternoon. In the evening, good clear periods but cloud building.
Chance of light rain. W wind force 6 continuing all day. Gusts reaching 36 knots in the morning. Moderate sea. Low, fairly long swell from W. Excellent visibility.

Tides at Port-Tudy

43

Low tide 05h00 2.11m

High tide 11h24 4.11m

Low tide 17h54 2.14m

www.shom.fr - © SHOM 2025

Consult the tides for September

Mon

15

-

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

Tue

16

-

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

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

* +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