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L'înformâtion et les sèrvices publyis pouor I'Île dé Jèrri

Guernsey forecast issued 21 Sept 2017 08:00

Today
Cloudy with showers
16°C
20 mph South F5
 
Cloudy with showers
Forecast valid from 9 am today to 6 am tomorrow
Max16°CMin9°C
Cloudy with occasional rain, clearing mid afternoon to become fair with sunny periods. 
UV Index: 3
Visibility
Moderate to poor in rain, becoming good.
20 mph South F5
Southerly moderate F4 to fresh F5, occasionally strong F6 especially around Alderney, veering west to northwest around midday, decreasing light F2 or 3 overnight and backing southwest.
Sea state
Moderate to rather rough becoming slight overnight, with a low swell.
Friday
Fair with sunny periods
17°C
9 mph SouthwestF3
 
Fair with sunny periods
Forecast valid from 6 am Friday to 6 am Saturday
Max17°CMin10°C
Mainly sunny, becoming cloudier for a time in the evening. Fair periods overnight. 
UV Index: 4
9 mph Southwest F3
Southwest light F3 to moderate F4, backing south to southeast in the afternoon and decreasing light F2 to 3 for a time.
Saturday
Mainly sunny
20°C
9 mph South SoutheastF3
 
Mainly sunny
Forecast valid 6 am to 6 pm Saturday
Max20°C
Mainly sunny
UV Index: 4
9 mph South Southeast F3
South Southeast F3
Sunday
Cloudy with showers
19°C
9 mph SoutheastF3
 
Cloudy with showers
Forecast valid 6 am to 6 pm Sunday
Max19°C
Cloudy with showers
UV Index: 2
9 mph Southeast F3
Southeast F3
Monday
Fair with sunny periods
19°C
5 mph SouthF2
 
Fair with sunny periods
Forecast valid 6 am to 6 pm Monday
Max19°C
Fair with sunny periods
UV Index: 2
5 mph South F2
South F2
Tuesday
Fair with sunny periods
18°C
5 mph SouthF2
 
Fair with sunny periods
Forecast valid 6 am to 6 pm Tuesday
Max18°C
Fair with sunny periods
UV Index: 4
5 mph South F2
South F2

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