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

Groix FRALongitude : -3°28’,9998 W Latitude : 47°37’,926 N Altitude : 8m

Thu

11

-

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

Fri

12

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

Sat

13

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

Sun

14

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

Mon

15

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

Tue

16

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

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

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

Sun

21

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

Mon

22

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

Tue

23

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

Wed

24

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

Thu

25

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

BULLETIN

(established in local time)

Reliability 80%

Wind alert - Warning moderate gale for West Britanny.

Thursday 11 september

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Under storms

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

35

30

25

20

15

70

60

50

40

30

20

15

10

5

50

40

30

20

10

5

0

3

0

20

15

10

5

65

60

55

50

45

Fri 12

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

250° W WSW
255° W WSW
260° W W
255° W WSW
250° W WSW
260° W WSW
265° W W
265° W W
265° W W
265° W W
265° W W
265° W W
270° W W
270° W W
275° W W
270° W W
265° W W
265° W W
265° W W
270° W W
270° W W
265° W W
265° W W
265° W W

18 34 9 21 5
19 36 10 22 5
20 37 10 23 5
21 39 11 24 6
21 39 11 24 6
25 46 13 29 6
21 39 11 24 6
21 39 11 24 6
21 39 11 24 6
21 39 11 24 6
21 39 11 24 6
22 40 11 25 6
21 39 11 24 6
22 40 11 25 6
21 39 11 24 6
21 38 11 24 5
20 37 10 23 5
23 42 12 26 6
21 39 11 24 6
22 40 11 25 6
21 39 11 24 6
22 40 11 25 6
21 39 11 24 6
19 36 10 22 5

28 52 14 32 7
29 53 15 33 7
28 52 14 32 7
30 55 15 34 7
30 56 16 35 7
35 65 18 40 8
36 66 18 41 8
30 55 15 34 7
30 55 15 34 7
29 54 15 34 7
29 54 15 34 7
29 54 15 34 7
30 56 16 35 7
29 54 15 34 7
30 56 16 35 7
28 52 14 32 7
29 53 15 33 7
31 57 16 35 7
31 58 16 36 7
31 57 16 35 7
31 57 16 35 7
30 55 15 34 7
31 58 16 36 7
29 54 15 34 7

- - - - -
- - - - -
- - - - -
>35 >65 >18 >40 >8
>35 >65 >18 >40 >8
>40 >70 >21 >45 >8
>35 >70 >20 >45 >8
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -

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

3.5
3.4
3.5
3.7
3.7
3.6
3.4
3.4
3.2
3.2
3.3
3.4
3.5
3.5
3.5
3.6
3.5
3.3
3.3
3.3
3.2
3.1
3.2
3.2

1.4
1.5
1.7
1.8
1.9
1.7
1.6
1.5
1.5
1.6
1.2
1.4
1.4
1.4
1.5
1.6
1.5
1.5
1.5
1.5
1.5
1.4
1.2
1.1

225° SW SW
200° S SSW
235° SW SW
210° SW SSW
215° SW SW
245° SW WSW
200° S SSW
200° S SSW
195° S SSW
175° S S
230° SW SW
230° SW SW
225° SW SW
225° SW SW
240° SW WSW
225° SW SW
225° SW SW
220° SW SW
240° SW WSW
195° S SSW
195° S SSW
175° S S
230° SW SW
230° SW SW

0.9
1.0
1.0
0.8
0.8
1.0
1.0
1.1
0.9
0.6
1.0
0.7
1.0
1.0
1.1
1.1
1.2
1.1
0.9
0.9
0.9
0.9
0.9
1.1

8
8
8
7
7
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
7

90
100
110
110
90
90
90
90
100
90
90
90
90
90
110
110
110
110
100
80
80
80
80
80

3.5
4.6
5.2
5.2
4.7
3.8
2.7
1.8
1.1
0.9
1.2
2.1
3.2
4.3
5.1
5.3
5.0
4.2
3.2
2.2
1.4
1.0
1.1
1.8

17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62

100
100
85
85
85
85
75
90
45
40
40
85
40
25
60
40
35
75
85
50
40
55
55
60

0.1
0
0
0.2
0.3
0.4
0.1
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0
0
0
0

-
-
-
-
-
-

50
45
45
50
65
65
50
30
20
0
0
0
0
0
0
20
30
40
55
50
40
30
30
35

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

1010
1011
1011
1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1015
1016
1016
1016
1016

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

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

11 51
11 51
10 50
10 50
11 51
11 51
13 55
14 58
16 61
16 62
17 62
16 60
15 58
14 57
12 54
11 51
10 50
9 49
9 49
9 49
9 49
9 49
9 48
9 49

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

Expert opinion

For Port Saint Nicolas :
Warning strong breeze.

We are 80% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will end.

Very cloudy with risk of thundery outbreaks in the morning, then clear spells developing. Some light showers in the morning, possibility of showers in the afternoon. In the evening, good clear periods but cloud building.
Light showers. WSW wind force 6 continuing all day. Gusts reaching 36 knots in the morning. Moderate sea. Low, short swell from SW. Excellent visibility.

Tides at Port-Tudy

101

Low tide 01h35 0.74m

High tide 07h31 5.26m

96

Low tide 13h54 0.86m

High tide 19h53 5.3m

www.shom.fr - © SHOM 2025

Consult the tides for September

Thu

11

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

Fri

12

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

Sat

13

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

Sun

14

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

Mon

15

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

Tue

16

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

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

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

Sun

21

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

Mon

22

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

Tue

23

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

Wed

24

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

Thu

25

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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

Tides at Port-Tudy