Met Office

Extended outlook

2100 UTC Friday 20 April to 2100 UTC Monday 23 April 2018

Issued by the Met Office, on behalf of the Maritime and Coastguard Agency, at 182054 UTC

Cullercoats

Friday evening a complex series of low pressure systems lies west and north of the UK, whilst high pressure slowly builds in the south North Sea. During Friday night one low pressure centre to the west of the UK, moves north east, deepens slightly, 996, and becomes slow moving west of sea area Bailey. Meanwhile a centre of high pressure, 1026, becomes established in the southern North Sea. Through the rest of Saturday and Sunday the high pressure will slowly move east into the continent, while the low centred west of Bailey fills and moves east into the north of Portpatrick. By Monday a weak area of low pressure lies across the north, whilst a weak ridge of high pressure is maintained in the south. Near Gales possible Sunday in the north, with strong winds likely north of sea area Humber, easing later. Strong winds developing again in central North Sea on Monday

Niton

Friday evening a complex series of low pressure systems lies west and north of the UK, whilst high pressure slowly builds in the south North Sea. During Friday night one low pressure centre to the west of the UK, moves north east, deepens slightly, 996, and becomes slow moving west of sea area Bailey, allowing the Azores high to build into the south of the area. Meanwhile high pressure, 1026, also becomes centred in the southern North Sea. Through Saturday and Sunday the high in the North Sea will slowly move east into the continent, whilst the low centred west of Bailey fills and moves east. In the south the Azores High will continue to influence the south of the region. Strong winds at times through Shannon on Saturday and Sunday and perhaps later Monday for a time. Strong winds also developing Sunday afternoon in the far south east of Fitzroy around Cape Finisterre

Portpatrick

Friday evening a complex series of low pressure systems lies west and north of the UK, whilst high pressure slowly builds in the south North Sea. During Friday night one low pressure centre to the west of the UK, moves north east, deepens slightly, 996, and becomes slow moving west of sea area Bailey. Meanwhile high pressure, 1026, becomes established in the southern North Sea. Through Saturday and Sunday the high pressure will slowly move east into the continent, whilst the low centred west of Bailey fills and moves across the north of Portpatrick Sunday night. By Monday a large weak area of low pressure lies across the north, whilst a weak ridge of high pressure is maintained in the south. Strong winds developing in west and northern areas early Saturday, easing later before near gales developing Rockall, Malin and Hebrides Sunday night for a time. Strong winds developing across all northern parts at times Monday, easing later