Weather forecast Port Saint-Nicolas - Live bulletin - Free 15-day Marine forecasts

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

Weather Risk Briefing

Mon

21

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

Tue

22

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

Wed

23

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

Thu

24

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

Fri

25

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

Sat

26

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

Sun

27

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

Mon

28

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

Tue

29

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

Wed

30

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

Thu

01

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

Fri

02

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

Sat

03

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

Sun

04

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Mon

05

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

BULLETIN

Reliability 75%

No gale warning.

No weather risk at the spot

Monday 21 sep

METEO CONSULT Run : 21/09 06Z Mesh : 1km Updated, 2h ago Update in 45min

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.swell

Swell height (m)

Weather

Rain (mm) (mm)

Precipitation:

Amount of precipitation (mm)

Type of precipitation

Risks:

Precipitation risk (%)

Temperature

Air temp

Perceived temp

Air temp

Perceived temp

15

10

5

20

15

10

5

10

5

0

15

10

5

3.5

3

2.5

2

1

0.5

3

0

30

25

20

15

85

80

75

70

65

                    30
                    14h30
                
                    35
                    14h35
                
                    40
                    14h40
                
                    45
                    14h45
                
                    50
                    14h50
                
                    55
                    14h55
                
                    15h00
                    15h00
                
                    05
                    15h05
                
                    10
                    15h10
                
                    15
                    15h15
                
                    20
                    15h20
                
                    25
                    15h25
                
                    30
                    15h30
                
                    35
                    15h35
                
                    40
                    15h40
                
                    45
                    15h45
                
                    50
                    15h50
                
                    55
                    15h55
                
                    16h00
                    16h00
                
                    05
                    16h05
                
                    10
                    16h10
                
                    15
                    16h15
                
                    20
                    16h20
                
                    25
                    16h25
                
                        Run : 21/09 06Z
                Mesh : 1km
                Updated, 2h ago
                Update in 45min

30 14h30
35 14h35
40 14h40
45 14h45
50 14h50
55 14h55
15h00 15h00
05 15h05
10 15h10
15 15h15
20 15h20
25 15h25
30 15h30
35 15h35
40 15h40
45 15h45
50 15h50
55 15h55
16h00 16h00
05 16h05
10 16h10
15 16h15
20 16h20
25 16h25

115° SE ESE
120° SE ESE
125° SE SE
130° SE SE
135° SE SE
140° SE SE
145° SE SE
150° SE SSE
155° SE SSE
160° S SSE
165° S SSE
170° S S
175° S S
180° S S
185° S S
190° S SSW
195° S SSW
200° S SSW
205° SW SSW
210° SW SSW
215° SW SW
220° SW SW
225° SW SW
230° SW SW

5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 10 3 6 2
5 10 3 6 2
5 10 3 6 2
5 10 3 6 2
5 10 3 6 2
5 10 3 6 2
5 10 3 6 2
6 11 3 7 2
6 11 3 7 2
6 11 3 7 2
6 11 3 7 2
6 11 3 7 2
6 11 3 7 2
6 12 3 7 3
6 12 3 7 3
6 12 3 7 3
6 12 3 7 3
6 12 3 7 3
6 12 3 7 3

10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3

0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6

0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6

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 69
20 69
21 69
21 69
21 69
21 69
21 70
21 70
21 70
21 70
21 70
21 71
22 71
22 71
22 71
22 71
22 71
22 72
22 72
22 72
22 72
22 72
23 73
23 73

28 82
28 82
28 82
28 82
28 83
28 83
28 82
28 82
28 83
28 83
28 83
28 83
28 83
29 83
29 83
29 84
29 84
29 84
28 83
28 83
28 83
28 83
29 83
29 83

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 75% sure of the situation, because the high pressure system could move in more quickly than forecast.

Changeable skies becoming less cloudy. No precipitation. In the evening, skies with few clouds.
W force 3 in the middle of the day turning NW in the evening. Gusts reaching 15 knots in the evening. Slight sea becoming smooth to slight in the evening. Low, fairly long swell from WSW. Excellent visibility becoming good in the evening.

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)
14h	300	2	7	20.2	-	10
13h	70	4	11	19.1	-	0
12h	60	8	14	17.1	-	0

Nearby signal stations

Météo France - RADOME

Signal station weather

Tides at Port-Tudy

24

High tide 01h56 3.69m

Low tide 07h42 2.59m

29

High tide 14h14 4m

Low tide 20h22 2.37m

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

Consult the tides for September

Go further

Mon

21

-

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

Tue

22

-

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

Wed

23

-

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

Thu

24

-

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

Fri

25

-

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

Sat

26

-

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

Sun

27

-

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

Mon

28

-

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

Tue

29

-

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

Wed

30

-

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

Thu

01

-

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

Fri

02

-

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

Sat

03

-

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

Sun

04

-

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

Mon

05

-

- 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