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Extended Outlook

Extended outlook forecast

Issued: 2137 on Fri 31 Oct 2014 UTC

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

Valid from 2100 on Sun 02 Nov 2014 UTC until 2100 on Wed 05 Nov 2014 UTC

Cullercoats

On Sunday evening a deep area of low pressure will lie to the south of Iceland. Through Monday this low pressure centre will move southwards to lie across Scotland, and by the end of Tuesday will be centred in the North Sea. A ridge of high pressure will build across Iceland and to the west of Ireland through Tuesday, and then across the UK on Wednesday. Another deepening area of low pressure will become established to the southwest of Iceland. On Sunday evening and Monday southwesterly winds will be strong at times in all sea areas, and increasing to gale for a time in Humber, Thames, Dover and Wight, and later in Fisher and German Bight. On Tuesday winds will moderate in all sea areas, but becoming strong northeasterly with possible gales in Fair Isle later. On Wednesday northeasterly winds may be occasionally strong in Fair Isle and Viking

Niton

On Sunday evening a deep area of low pressure will lie to the south of Iceland. Through Monday this low pressure centre will move southwards to lie across Scotland, and by the end of Tuesday will be centred in the North Sea. A ridge of high pressure will build across Iceland and to the west of Ireland through Tuesday, and then across the UK on Wednesday. Another deepening area of low pressure will become established to the southwest of Iceland. On Sunday evening and Monday westerly or southwesterly winds will be strong with occasional gales in all sea areas. Winds will moderate in English Channel areas on Tuesday, but continue occasionally strong in Atlantic sea areas, and Irish Sea, with periodic gales in South Biscay, Fitzroy, Sole and Shannon. Northerly winds will be strong in Atlantic sea areas and Irish Sea on Wednesday before moderating later. Southerly winds will strengthen later in West Fitzroy, West Sole and Shannon

Portpatrick

On Sunday evening a deep area of low pressure will lie to the south of Iceland. Through Monday this low pressure centre will move southwards to lie across Scotland, and by the end of Tuesday will be centred in the North Sea. A ridge of high pressure will build across Iceland and to the west of Ireland through Tuesday, and then across the UK on Wednesday. Another deepening area of low pressure will become established to the southwest of Iceland. On Sunday evening and Monday westerly or southwesterly winds will be strong with occasional gales in Lundy, Fastnet, Irish Sea and Shannon. Winds will become strong in other sea areas, with northerly gales later in Rockall, Bailey, Faeroes and Southeast Iceland. On Tuesday strong to gale northerly winds are expected in Atlantic areas, and strong in Lundy, Fastnet and Irish Sea. Winds moderating through Wednesday, then becoming strong southerly later in Shannon, Rockall and Bailey, and strong northeasterly in Fair Isle

Extended outlook overview

The extended outlooks are issued once a day, at 2300 GMT and cover the next 3 to 5 days.

For the extend outlooks the waters surrounding the British Isles are divided into three areas; Cullercoats, Portpatrick and Niton. These three areas reflect the coverage areas of the UK's Navtex transmitters, which overlap in some areas.

The extended outlook forecast contains details of the likelihood of gales or storms, a general synopsis and a general forecast for the area of coverage of each Navtex transmitter.

In the UK, the Maritime & Coastguard Agency (MCA) is responsible for the provision of Maritime Safety Information (MSI) to ships at sea, which includes the broadcast of warnings and forecasts. The Met Office initiates warnings and prepares routine forecasts for dissemination on behalf of the MCA.

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