Weather Llanddwyn Bay - Detailed bulletin - Free 15-day Marine forecasts

Aberffraw GBRLon : -4°27’,6 W Lat : 53°10’,8 N Alt : 5m

Weather Risk Briefing

Sat

15

-

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

Sun

16

-

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

Mon

17

-

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

Tue

18

-

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

Wed

19

-

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

Thu

20

-

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

Fri

21

-

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

Sat

22

-

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

Sun

23

-

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

Mon

24

-

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

Tue

25

-

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

Wed

26

-

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

Thu

27

-

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

Fri

28

-

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

Sat

29

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

BULLETIN

Reliability 90%

No gale warning.

No weather risk at the spot

Saturday 15 aug

METEO CONSULT Run : 15/08 06Z 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)

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

Offshore

Offshore wind

Offshore sea (m)

20

15

10

5

0

40

30

20

10

0

10

5

0

20

15

10

5

0

10

5

0

0.5

0

3

0

25

20

15

10

70

65

60

55

50

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

Sun 16

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

295° NW WNW
310° NW NW
335° NW NNW
340° N NNW
335° NW NNW
350° N NNW
0° N N
15° N NNE
30° NE NNE
35° NE NE
50° NE NE
40° NE NE
20° N NNE
5° N N
355° N N
350° N N
20° N NNE
40° NE NE
100° E E
125° SE SE
150° SE SSE
185° S S
220° SW SW
240° SW WSW

8 14 4 9 3
8 14 4 9 3
8 15 4 9 3
8 15 4 9 3
8 15 4 9 3
8 14 4 9 3
6 12 3 7 3
6 11 3 7 2
5 9 3 6 2
4 7 2 4 2
3 6 2 4 2
3 6 2 4 2
3 5 1 3 1
2 4 1 2 1
2 4 1 2 1
2 4 1 2 1
2 4 1 2 1
2 3 1 2 1
2 4 1 2 1
2 4 1 2 1
2 3 1 2 1
2 4 1 2 1
4 8 2 5 2
6 11 3 7 2

16 29 8 18 5
15 27 8 17 4
13 24 7 15 4
12 23 6 14 4
17 31 9 19 5
12 23 6 14 4
13 25 7 16 4
12 22 6 14 4
10 19 5 12 3
8 14 4 9 3
6 11 3 7 2
5 10 3 6 2
6 11 3 7 2
6 11 3 7 2
4 8 2 5 2
4 8 2 5 2
5 9 3 6 2
4 7 2 4 2
4 8 2 5 2
6 11 3 7 2
7 13 4 8 3
8 15 4 9 3
10 18 5 11 3
11 21 6 13 4

0.3
0.3
0.3
0.3
0.3
0.3
0.2
0.2
0.2
0.2
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1

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

265° W W
270° 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
265° W W
245° SW WSW
245° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
235° SW SW
240° SW WSW
235° SW SW
235° SW SW
230° SW SW
235° SW SW
240° SW WSW

0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1

5
5
5
5
5
4
4
4
4
4
5
6
6
6
6
6
6
7
6
7
6
6
6
7

15
15
15
15
15
20
20
20
20
20
25
60
60
70
60
70
70
70
70
80
70
80
70
70

18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
17 63
17 63
17 63
17 63
18 64
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
18 64

90
90
60
60
10
20
5
5
5
5
15
25
40
75
90
100
80
85
90
75
85
65
55
85

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
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

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

1021
1021
1021
1021
1021
1021
1020
1020
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1019
1020
1020
1020
1020
1020

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

15 60
16 61
18 65
18 65
18 65
18 64
18 64
17 62
16 60
14 57
13 56
13 55
13 55
13 55
13 56
13 56
13 56
13 56
14 56
15 59
16 62
17 63
18 65
18 65

13 56
14 57
20 67
18 65
19 67
18 64
18 64
16 60
14 56
13 55
12 53
12 53
12 53
12 54
12 54
12 54
12 54
12 54
13 55
15 59
17 63
19 66
19 67
19 65

9 16 3 4 10
9 17 3 5 11
10 18 3 5 11
10 18 3 5 11
10 19 3 5 12
10 18 3 5 11
8 15 3 4 9
8 15 3 4 9
9 17 3 5 11
8 14 3 4 9
7 13 3 4 8
6 11 2 3 7
5 9 2 3 6
5 9 2 3 6
5 9 2 3 6
4 8 2 2 5
4 7 2 2 4
3 6 2 2 4
2 4 1 1 2
3 5 1 1 3
2 4 1 1 2
2 3 1 1 2
3 6 2 2 4
5 10 2 3 6

0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.3
0.3
0.3
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
0.1

Forecasts established in local time
Caption Glossary

Expert opinion

Weather Risk Briefing

High 1025 hPa centered at 170 nautical miles in the West of Fastnet Rock (South-West Ireland) moving at 10 knots to the South-East.

For Llanddwyn Bay :
No gale warning.

The reliability of the situation is very good.

Clear periods developing. No precipitation. In the evening, relatively clear skies becoming changeable.
NNW force 3 in the middle of the day turning NNE in the evening. Gusts reaching 17 knots in the middle of the day. Smooth to slight sea becoming smooth in the evening. Low, short swell from W. Good visibility becoming excellent in the evening.

semaphore stations

Station Valley RAF located 9 km from Llanddwyn Bay

	WIND			WEATHER
Local time	Dir. (°)	Speed (nd)	Gust (nd)	Temp. (°C)	Pressure (hPa)	Visibility (M)
22h	-	-	-	-	1020	0
10h	-	-	-	-	1021	5

Nearby signal stations

Réseau observation METAR

Signal station weather

Go further

Sat

15

-

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

Sun

16

-

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

Mon

17

-

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

Tue

18

-

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

Wed

19

-

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

Thu

20

-

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

Fri

21

-

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

Sat

22

-

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

Sun

23

-

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

Mon

24

-

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

Tue

25

-

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

Wed

26

-

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

Thu

27

-

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

Fri

28

-

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

Sat

29

-

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

Weather board sports area Llanddwyn Bay

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

semaphore stations

Go further