Weather Port Lay - Detailed bulletin - Free 15-day Marine forecasts

Groix FRALon : -3°27’,594 W Lat : 47°38’,772 N Alt : 3m

Fri

22

-

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

Sat

23

-

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

Sun

24

-

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

Mon

25

-

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

Tue

26

-

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

Wed

27

-

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

Thu

28

-

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

Fri

29

-

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

Sat

30

-

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

Sun

31

-

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

Mon

01

-

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

Tue

02

-

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

Wed

03

-

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

Thu

04

-

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

Fri

05

-

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

BULLETIN

Reliability 90%

No gale warning.

No weather risk at the spot

Friday 22 may

METEO CONSULT Run : 22/05 00Z Mesh : 1km Updated, 1h ago Update in 5h

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

20

15

10

5

0

30

20

10

0

10

5

0

20

15

10

5

0

5

0

1

0.5

3

0

40

30

20

10

110

100

90

80

70

60

50

                                    
                                                                         Sat 23
                                                            
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                        Run : 22/05 00Z
                Mesh : 1km
                Updated, 1h ago
                Update in 5h

Sat 23

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

160° S SSE
140° SE SE
120° SE ESE
190° S S
85° E E
90° E E
20° N NNE
95° E E
65° NE ENE
325° NW NW
55° NE NE
5° N N
355° N N
15° N NNE
25° NE NNE
45° NE NE
55° NE NE
70° E ENE
90° E E
110° E ESE
125° SE SE
140° SE SE
175° S S
195° S SSW

10 19 5 12 3
9 17 5 11 3
6 12 3 7 3
1 1 0 1 1
2 3 1 2 1
2 4 1 2 1
1 2 1 1 1
2 3 1 2 1
1 2 1 1 1
1 2 1 1 1
3 5 1 3 1
3 5 1 3 1
6 11 3 7 2
8 14 4 9 3
8 15 4 9 3
9 16 4 10 3
9 16 4 10 3
8 14 4 9 3
6 11 3 7 2
6 11 3 7 2
5 9 3 6 2
4 8 2 5 2
4 7 2 4 2
3 5 1 3 1

15 28 8 17 4
14 26 7 16 4
10 19 5 12 3
5 9 3 6 2
4 7 2 4 2
4 8 2 5 2
4 8 2 5 2
4 8 2 5 2
7 13 4 8 3
10 19 5 12 3
8 15 4 9 3
9 16 4 10 3
11 20 6 12 4
11 20 6 12 4
12 23 6 14 4
13 24 7 15 4
13 24 7 15 4
12 22 6 14 4
11 21 6 13 4
10 19 5 12 3
10 19 5 12 3
9 17 5 11 3
8 15 4 9 3
7 13 4 8 3

0.7
0.8
0.8
0.8
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
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
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0
0
0
0
0
0

275° W W
275° W W
275° W W
275° 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
275° 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

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

10
10
10
10
10
10
10
10
10
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

170
160
160
160
160
160
160
160
160
160
150
150
150
150
150
150
150
160
160
160
160
160
150
150

2.3
3.0
3.6
4.2
4.5
4.4
4.1
3.5
2.8
2.2
1.8
1.7
1.9
2.3
2.9
3.5
3.9
4.1
4.1
3.7
3.2
2.6
2.1
1.9

15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 60
15 60
16 60
16 60
16 60
16 61

5
5
5
30
30
25
25
25
15
10
15
15
15
10
5
10
5
0
0
0
15
10
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
0
0

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

1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1026
1026
1026
1026
1027
1027
1027
1027
1026

2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
4
5
6
6
6
5
4

24 75
23 74
22 72
21 69
19 66
18 64
17 63
16 62
16 61
16 60
15 59
15 59
13 56
14 57
16 61
19 65
21 70
24 74
26 78
27 81
28 82
29 83
28 83
21 70

27 81
26 78
24 74
25 76
18 65
17 63
17 62
16 60
16 60
15 59
14 57
14 57
11 52
11 53
14 58
18 64
25 78
30 85
34 93
36 97
38 100
38 101
38 101
29 85

Forecasts established in local time
Caption Glossary

Expert opinion

For Port Lay :
No gale warning.

We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.

In the evening, light cloudy spells.
SE wind force 3. Gusts reaching 15 knots in the evening. Slight sea. Low, fairly long swell from W. Good visibility.

semaphore stations

Station Ile De Groix located 3 km from Port Lay

	WIND			WEATHER
Local time	Dir. (°)	Speed (nd)	Gust (nd)	Temp. (°C)	Pressure (hPa)	Visibility (M)
18h	160	23	41	24.5	-	0
17h	150	27	41	25.7	-	10
16h	140	24	37	25.7	-	0

observation.semaphores_link

Météo France - RADOME

observation.semaphore_link

Tides at Port-Tudy

64

Low tide 03h45 1.44m

High tide 10h04 4.33m

59

Low tide 16h04 1.76m

High tide 22h25 4.5m

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

Consult the tides for May

Go further

Fri

22

-

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

Sat

23

-

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

Sun

24

-

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

Mon

25

-

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

Tue

26

-

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

Wed

27

-

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

Thu

28

-

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

Fri

29

-

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

Sat

30

-

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

Sun

31

-

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

Mon

01

-

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

Tue

02

-

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

Wed

03

-

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

Thu

04

-

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

Fri

05

-

- 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 Lay

BULLETIN

Wind

Waves

Weather

Temperature

Expert opinion

semaphore stations

Tides at Port-Tudy

Go further