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

Groix FRALongitude : -3°27’,594 W Latitude : 47°38’,772 N Altitude : 3m

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

Tue

06

-

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

Wed

07

-

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

Thu

08

-

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

Fri

09

-

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

Sat

10

-

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

Sun

11

-

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

Mon

12

-

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

BULLETIN

(established in local time)

Reliability 95%

No gale warning.

Monday 28 april

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

20

15

10

5

40

30

20

10

5

0

25

20

15

10

5

10

5

0

1

0.5

0

3

0

30

20

10

0

90

80

70

60

50

40

Tue 29

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

115° SE ESE
110° E ESE
130° SE SE
130° SE SE
125° SE SE
125° SE SE
120° SE ESE
110° E ESE
95° E E
85° E E
70° E ENE
70° E ENE
70° E ENE
75° E ENE
75° E ENE
80° E ENE
75° E ENE
80° E ENE
80° E E
80° E E
80° E E
80° E E
85° E E
90° E E

8 14 4 9 3
8 15 4 9 3
7 13 4 8 3
6 12 3 7 3
8 14 4 9 3
7 13 4 8 3
7 13 4 8 3
7 13 4 8 3
6 12 3 7 3
6 12 3 7 3
8 14 4 9 3
9 17 5 11 3
10 19 5 12 3
11 21 6 13 4
12 23 6 14 4
12 23 6 14 4
12 23 6 14 4
12 23 6 14 4
12 23 6 14 4
12 23 6 14 4
13 24 7 15 4
12 23 6 14 4
11 21 6 13 4
11 21 6 13 4

14 26 7 16 4
13 24 7 15 4
12 22 6 14 4
11 20 6 12 4
12 22 6 14 4
11 21 6 13 4
11 21 6 13 4
11 20 6 12 4
10 19 5 12 -
9 17 5 11 -
10 18 5 11 -
12 22 6 14 4
13 25 7 16 4
15 27 8 17 -
18 33 9 21 5
18 34 9 21 5
18 33 9 21 5
18 33 9 21 5
18 33 9 21 5
18 33 9 21 5
17 31 9 19 5
17 31 9 19 5
16 30 8 19 5
15 28 8 17 -

0.5
0.5
0.5
0.5
0.6
0.5
0.5
0.5
0.5
0.5
0.5
0.4
0.5
0.5
0.5
0.5
0.6
0.6
0.5
0.5
0.5
0.5
0.5
0.5

1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1
1
0.9
0.9
1
1
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1
1
1

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

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

0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.5
0.4
0.4
0.4
0.4
0.4

8
8
8
8
8
8
8
9
9
9
9
9
9
9
9
8
8
8
8
8
8
8
8
8

110
120
120
120
120
130
130
140
140
140
140
140
130
120
110
110
110
110
110
110
110
110
110
90

0.6
1.0
2.0
3.2
4.3
5.2
5.4
5.1
4.3
3.1
1.9
1.0
0.6
0.8
1.5
2.6
3.9
4.9
5.4
5.4
4.7
3.7
2.4
1.4

13 56
13 56
14 56
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 56
14 56
14 56
13 56
13 56
13 56
13 56
14 56

5
0
0
0
0
0
0
0
0
0
0
30
10
0
0
0
0
0
5
0
0
5
5
5

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

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

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

17 63
20 67
20 68
21 69
21 70
21 71
21 71
21 70
20 69
18 65
17 62
16 61
15 59
15 58
15 58
14 57
14 56
13 56
13 55
12 54
13 55
15 58
17 62
18 65

22 72
23 74
28 83
29 83
28 83
28 82
26 79
25 76
23 73
16 61
14 57
13 55
12 53
11 51
10 50
10 49
9 49
9 48
8 47
8 46
9 48
12 54
16 60
19 67

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

Expert opinion

For Port Lay :
No gale warning.

The reliability of the situation is assessed at 95%.

Warm sun all day. In the evening, fair weather with mostly clear skies.
E force 3 in the morning temporarily SE in the middle of the day. Gusts reaching 15 knots in the morning. Smooth to slight sea. Low, fairly long swell from W. Excellent visibility.

Tides at Port-Tudy

108

High tide 05h40 5.55m

Low tide 11h49 0.59m

108

High tide 17h57 5.45m

www.shom.fr - © SHOM 2025

Consult the tides for April

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

Tue

06

-

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

Wed

07

-

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

Thu

08

-

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

Fri

09

-

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

Sat

10

-

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

Sun

11

-

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

Mon

12

-

- 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

Tides at Port-Tudy