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

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

Weather Risk Briefing

Thu

03

-

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

Fri

04

-

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

Sat

05

-

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

Sun

06

-

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

Mon

07

-

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

Tue

08

-

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

Wed

09

-

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

Thu

10

-

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

Fri

11

-

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

Sat

12

-

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

Sun

13

-

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

Mon

14

-

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

Tue

15

-

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

Wed

16

-

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

Thu

17

-

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

BULLETIN

Reliability 80%

No gale warning.

No weather risk at the spot

Thursday 3 sep

METEO CONSULT Run : 3/09 03Z Mesh : 1km Updated, 2h ago Update in 1h

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

15

10

5

25

20

15

10

5

10

5

0

20

15

10

5

0

1

0.5

3

0

30

25

20

15

90

80

70

60

50

                                    
                                                                         Fri 4
                                                            
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                        Run : 3/09 03Z
                Mesh : 1km
                Updated, 2h ago
                Update in 1h

Fri 4

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

240° SW WSW
240° SW WSW
240° SW WSW
235° SW SW
240° SW WSW
230° SW SW
235° SW SW
235° SW SW
240° SW WSW
240° SW WSW
245° SW WSW
240° SW WSW
240° SW WSW
230° SW SW
225° SW SW
220° SW SW
225° SW SW
230° SW SW
235° SW SW
235° SW SW
250° W WSW
255° W WSW
250° W WSW
250° W WSW

8 15 4 9 3
8 15 4 9 3
8 15 4 9 3
7 13 4 8 3
8 14 4 9 3
8 15 4 9 3
8 14 4 9 3
7 13 4 8 3
7 13 4 8 3
6 12 3 7 3
6 11 3 7 2
5 10 3 6 2
5 9 3 6 2
5 10 3 6 2
6 11 3 7 2
7 13 4 8 3
8 14 4 9 3
9 16 4 10 3
9 17 5 11 3
9 17 5 11 3
9 17 5 11 3
9 16 4 10 3
9 17 5 11 3
9 17 5 11 3

12 23 6 14 4
12 23 6 14 4
12 22 6 14 4
11 20 6 12 4
11 21 6 13 4
12 22 6 14 4
12 22 6 14 4
11 21 6 13 4
11 20 6 12 4
10 19 5 12 3
10 18 5 11 3
9 16 4 10 3
8 15 4 9 3
8 14 4 9 3
8 15 4 9 3
10 18 5 11 3
11 20 6 12 4
12 22 6 14 4
12 23 6 14 4
13 24 7 15 4
13 24 7 15 4
13 24 7 15 4
12 23 6 14 4
12 23 6 14 4

0.8
0.8
0.8
0.7
0.7
0.6
0.6
0.6
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.6
0.7
0.7
0.7
0.7

0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0
0.1
0.1
0.1
0.2
0.1
0.1
0.1
0.1

250° W WSW
250° W WSW
250° W WSW
250° W WSW
255° W WSW
255° W WSW
265° W W
295° NW WNW
250° W WSW
250° W WSW
255° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
255° W WSW
295° NW WNW
250° W WSW
250° W WSW
250° W WSW
250° W WSW

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

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

80
80
80
90
90
90
90
90
140
140
90
90
100
100
100
100
100
100
100
100
110
110
100
100

4.6
4.4
4.0
3.3
2.6
2.1
1.7
1.7
2.0
2.6
3.4
4.0
4.4
4.4
4.1
3.6
3.0
2.4
1.9
1.8
2.0
2.4
3.1
3.7

19 66
19 66
19 66
19 66
19 66
19 66
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67

0
0
0
85
80
85
85
70
70
65
80
75
70
70
75
85
85
95
95
95
90
90
90
95

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
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

>20
>20
>20
5
>20
>20
15
10
5
5
5
5
5
5
5
5
10
10
>20
>20
>20
>20
>20
>20

1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1022
1022
1022
1022
1021
1021
1020
1020
1020
1020

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

20 68
20 68
20 69
21 70
21 69
21 70
22 71
22 71
22 71
21 70
21 70
20 68
20 67
19 67
19 67
19 67
19 67
19 67
19 67
19 66
19 66
19 66
19 66
19 66

23 73
24 76
26 79
24 76
25 77
26 79
27 80
27 81
27 80
25 78
24 75
22 72
18 64
17 63
17 63
17 62
16 62
16 61
16 61
16 61
16 60
16 60
16 60
16 60

Forecasts established in local time
Caption Glossary

Expert opinion

Bulletin météo de la zone côtière de Loctudy à Lorient

Weather Risk Briefing

For Port Saint-Nicolas :
No gale warning.

We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.

Sun in the morning, very cloudy in the afternoon. No precipitation. In the evening, good clear periods but cloud building.
No precipitation. WSW wind force 3 continuing all day. Gusts reaching 12 knots in the morning. Slight sea. Low, short swell from WSW. Excellent visibility becoming poor in the middle of the day then poor.

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)
09h	240	20	30	19.9	-	0
08h	240	18	31	19.4	-	7
07h	240	24	32	19.6	-	0

Nearby signal stations

Météo France - RADOME

Signal station weather

Tides at Port-Tudy

69

Low tide 03h11 1.48m

High tide 08h57 4.6m

62

Low tide 15h35 1.66m

High tide 21h32 4.44m

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

Consult the tides for September

Go further

Thu

03

-

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

Fri

04

-

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

Sat

05

-

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

Sun

06

-

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

Mon

07

-

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

Tue

08

-

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

Wed

09

-

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

Thu

10

-

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

Fri

11

-

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

Sat

12

-

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

Sun

13

-

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

Mon

14

-

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

Tue

15

-

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

Wed

16

-

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

Thu

17

-

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

Weather anchorage Port Saint-Nicolas

BULLETIN

Wind

Waves

Weather

Temperature

Expert opinion

semaphore stations

Tides at Port-Tudy

Go further