Weather port Caernarfon Marina

Caernarfon GBRLon : -4°16’,0002 W Lat : 53°7’,998 N Alt : 0m
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Weather Risk Briefing
Wed
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Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
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Mon
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BULLETIN

Reliability 90%
Wednesday 30 september Wednesday 30 sep
METEO CONSULT Run : 30/09 09Z Mesh : 1km Updated, 28min ago Update in 2h

Wind

Average winds Average winds
Gusts
10m above ground level:
Direction
Speed
Gusts

Waves

Total sea (m) (m)
Swell height 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 Amount of precipitation (mm)
Type of precipitation Type of precipitation
Risks:
Precipitation risk Precipitation risk (%)
Storm risk. (%)
Brightness:
Visibility (km)
Pressure (hPa)
UV

Temperature

Air temp Air temp
Perceived temp
Air temp
Perceived temp

Offshore

Offshore wind
Offshore sea (m)
40
30
20
10
0
70
60
50
40
30
20
10
20
15
10
5
0
40
30
20
10
0
10
5
0
1.5
1
0.5
0
3
0
25
20
15
10
5
70
60
50
40
  • Thu 1
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
Run : 30/09 09Z Mesh : 1km Updated, 28min ago Update in 2h
  • Thu 1
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 175° S S
  • 180° S S
  • 180° S S
  • 190° S S
  • 185° S S
  • 190° S S
  • 185° S S
  • 190° S S
  • 190° S S
  • 195° S SSW
  • 185° S S
  • 185° S S
  • 185° S S
  • 185° S S
  • 190° S SSW
  • 180° S S
  • 185° S S
  • 180° S S
  • 190° S S
  • 205° SW SSW
  • 220° SW SW
  • 220° SW SW
  • 225° SW SW
  • 220° SW SW
  • 10 19 5 12 3
  • 11 21 6 13 4
  • 12 23 6 14 4
  • 16 29 8 18 5
  • 14 26 7 16 4
  • 11 21 6 13 4
  • 12 23 6 14 4
  • 9 16 4 10 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 8 15 4 9 3
  • 8 14 4 9 3
  • 8 14 4 9 3
  • 8 15 4 9 3
  • 7 13 4 8 3
  • 7 13 4 8 3
  • 8 14 4 9 3
  • 6 11 3 7 2
  • 6 12 3 7 3
  • 8 14 4 9 3
  • 10 19 5 12 3
  • 11 21 6 13 4
  • 12 22 6 14 4
  • 12 22 6 14 4
  • 25 47 13 29 6
  • 25 47 13 29 6
  • 25 47 13 29 6
  • 33 61 17 38 7
  • 26 48 13 30 6
  • 24 44 12 27 6
  • 25 46 13 29 6
  • 18 34 9 21 5
  • 22 40 11 25 6
  • 18 34 9 21 5
  • 18 34 9 21 5
  • 15 28 8 17 4
  • 15 27 8 17 4
  • 17 31 9 19 5
  • 15 27 8 17 4
  • 13 24 7 15 4
  • 17 31 9 19 5
  • 13 25 7 16 4
  • 13 24 7 15 4
  • 15 28 8 17 4
  • 20 37 10 23 5
  • 21 39 11 24 6
  • 22 41 11 25 6
  • 23 43 12 27 6
  • 1
  • 1
  • 1
  • 0.9
  • 0.9
  • 0.9
  • 0.8
  • 0.7
  • 0.7
  • 0.7
  • 0.6
  • 0.6
  • 0.6
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.9
  • 0.9
  • 0.8
  • 0.7
  • 0.6
  • 0.6
  • 0.4
  • 0.4
  • 0.3
  • 0.3
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.3
  • 0.4
  • 0.3
  • 0.4
  • 0.4
  • 0.5
  • 0.5
  • 0.5
  • 245° SW WSW
  • 245° SW WSW
  • 240° SW WSW
  • 240° SW WSW
  • 240° SW WSW
  • 235° SW WSW
  • 235° SW SW
  • 235° SW SW
  • 235° SW SW
  • 235° SW SW
  • 235° SW SW
  • 235° SW SW
  • 235° SW SW
  • 235° SW SW
  • 235° SW SW
  • 235° SW WSW
  • 240° SW WSW
  • 240° SW WSW
  • 240° SW WSW
  • 240° SW WSW
  • 240° SW WSW
  • 240° SW WSW
  • 240° SW WSW
  • 240° SW WSW
  • 0.4
  • 0.4
  • 0.5
  • 0.5
  • 0.5
  • 0.6
  • 0.6
  • 0.6
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.3
  • 0.4
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 9
  • 9
  • 9
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 9
  • 9
  • 9
  • 30
  • 30
  • 35
  • 35
  • 35
  • 40
  • 40
  • 40
  • 90
  • 90
  • 100
  • 100
  • 100
  • 100
  • 100
  • 100
  • 90
  • 90
  • 80
  • 80
  • 80
  • 80
  • 70
  • 70
  • 16 61
  • 16 61
  • 16 62
  • 16 62
  • 16 62
  • 16 62
  • 16 62
  • 16 61
  • 16 61
  • 16 61
  • 16 61
  • 16 61
  • 16 61
  • 16 61
  • 16 61
  • 16 61
  • 16 61
  • 16 61
  • 16 61
  • 16 61
  • 16 61
  • 16 61
  • 16 61
  • 16 61
  • 0
  • 0
  • 0
  • 50
  • 55
  • 75
  • 85
  • 65
  • 50
  • 90
  • 60
  • 55
  • 60
  • 90
  • 75
  • 60
  • 70
  • 50
  • 50
  • 50
  • 30
  • 60
  • 50
  • 50
  • 0
  • 0
  • 0
  • 0.4
  • 0
  • 0
  • 0
  • 0
  • 0.5
  • 0.5
  • 0.4
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • 0
  • 0
  • 0
  • -
  • 45
  • 45
  • 40
  • 50
  • 40
  • 40
  • 45
  • 45
  • 90
  • 90
  • 55
  • 40
  • 45
  • 45
  • 40
  • 55
  • 65
  • 80
  • 50
  • 45
  • 0
  • 25
  • 45
  • 45
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 5
  • 10
  • 15
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 15
  • 15
  • >20
  • 10
  • 10
  • >20
  • >20
  • >20
  • >20
  • >20
  • 1007
  • 1008
  • 1008
  • 1008
  • 1009
  • 1009
  • 1010
  • 1011
  • 1011
  • 1012
  • 1012
  • 1013
  • 1013
  • 1014
  • 1014
  • 1015
  • 1015
  • 1016
  • 1017
  • 1018
  • 1019
  • 1020
  • 1020
  • 1021
  • 2
  • 2
  • 1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 1
  • 1
  • 2
  • 2
  • 19 65
  • 18 64
  • 17 63
  • 16 61
  • 15 59
  • 15 58
  • 15 58
  • 14 57
  • 14 57
  • 14 57
  • 13 56
  • 13 56
  • 13 55
  • 13 55
  • 13 55
  • 12 54
  • 12 54
  • 12 54
  • 12 54
  • 13 56
  • 14 58
  • 15 59
  • 15 60
  • 16 60
  • 20 68
  • 18 65
  • 16 61
  • 12 54
  • 11 51
  • 11 51
  • 10 51
  • 11 52
  • 11 51
  • 10 51
  • 10 51
  • 10 51
  • 10 50
  • 10 50
  • 10 50
  • 10 50
  • 10 49
  • 10 50
  • 10 50
  • 11 52
  • 12 54
  • 13 55
  • 15 58
  • 15 59
  • 17 31 5 9 19
  • 17 32 5 9 20
  • 18 34 5 9 21
  • 22 41 6 11 25
  • 20 37 5 10 23
  • 19 35 5 10 22
  • 19 36 5 10 22
  • 15 28 4 8 17
  • 16 30 5 8 19
  • 16 29 5 8 18
  • 15 28 4 8 17
  • 14 26 4 7 16
  • 12 23 4 6 14
  • 15 27 4 8 17
  • 15 27 4 8 17
  • 15 27 4 8 17
  • 13 24 4 7 15
  • 13 24 4 7 15
  • 14 26 4 7 16
  • 15 28 4 8 17
  • 16 29 5 8 18
  • 16 29 5 8 18
  • 16 29 5 8 18
  • 16 29 5 8 18
  • 1.9
  • 1.9
  • 1.9
  • 1.9
  • 1.8
  • 1.7
  • 1.6
  • 1.5
  • 1.4
  • 1.4
  • 1.3
  • 1.2
  • 1.2
  • 1.2
  • 1.1
  • 1.1
  • 1.1
  • 1.2
  • 1.1
  • 1.1
  • 1.1
  • 1.2
  • 1.1
  • 1.1
Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Caption   Glossary

Expert opinion

A southerly, very strong and very variable flow prevails over the whole area.

For Caernarfon Marina :
Warning strong breeze offshore.

The reliability of the situation is very good.

Clear periods developing. Light rain gradually becoming less frequent. In the evening, very cloudy skies becoming totally overcast.
Showers towards the end of the night. S force 5 in the middle of the day becoming force 4 in the evening. Gusts reaching 33 knots in the middle of the day. Slight sea. Low, fairly long swell from WSW. Poor visibility becoming excellent in the evening.

semaphore stations

Station Valley RAF located 22 km from Caernarfon Marina
WIND
WEATHER
Local time Dir.
(°)
Speed
(nd)
Gust
(nd)
Temp.
(°C)
Pressure
(hPa)
Visibility
(M)
11h
-
-
-
-
1005
9
05h
-
-
-
-
1001
2
04h
-
-
-
-
1000
4
Nearby signal stations
Réseau observation METAR
Signal station weather

Go further

Wed
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Sat
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Wed
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Fri
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Sat
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Sun
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Mon
12
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Tue
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Wed
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