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yellow Warnings have been issued for the United Kingdom

Extended Outlook

Extended outlook forecast

Issued: 2144 on Sat 28 Mar 2015 UTC

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

Valid from 2100 on Mon 30 Mar 2015 UTC until 2100 on Thu 02 Apr 2015 UTC

Cullercoats

It will be an unsettled period. On Monday evening and Tuesday morning a travelling low pressure centre will move from the UK to northern Germany. A low centre will persist to the west of Norway through Tuesday. On Wednesday pressure will build in the west with the low centre near Norway moving into the Baltic Sea. A ridge of high pressure will build from the west and become located over the UK by Thursday morning, but with pressure falling once more from the west by the end of the day. On Monday evening and Tuesday winds will be westerly and strong to gale in all sea areas, becoming more generally gale later in the North Sea with possible severe gales for a time. On Wednesday winds will veer northwesterly and continue strong to gale in the North Sea, although decreasing to strong in Dover and Wight later. Winds will decrease to occasionally strong in the North Sea later on Thursday

Niton

It will be an unsettled period. On Monday evening and Tuesday morning a travelling low pressure centre will move from the UK to northern Germany. A low centre will persist to the west of Norway through Tuesday. On Wednesday pressure will build in the west with the low centre near Norway moving into the Baltic Sea. A ridge of high pressure will become located over the UK by Thursday morning, but with pressure falling once more from the west by the end of the day. On Monday evening and Tuesday westerly winds will be strong to gale in all sea areas, although tending to moderate in Biscay and Fitzroy later. Strong winds are expected, with occasional gales for a time in Thames, Fastnet, Irish Sea and Shannon on Wednesday, and occasionally strong in the English Channel, Sole and Lundy. On Thursday southwesterly winds will become strong later in Atlantic sea areas and the English Channel with possible gales in Shannon

Portpatrick

It will be an unsettled period. On Monday evening and Tuesday morning a travelling low pressure centre will move from the UK to northern Germany. A low centre will persist to the west of Norway through Tuesday. On Wednesday pressure will build in the west with the low centre near Norway moving into the Baltic Sea. A ridge of high pressure will become located over the UK by Thursday morning, but with pressure falling once more from the west by the end of the day. On Monday evening and Tuesday winds will be strong to gale in all sea areas, with severe gales later in Rockall, Malin, Hebrides and Bailey. Winds will slowly moderate through Wednesday in most sea areas, although continuing strong with possible gales in Fair Isle, Faeroes and Southeast Iceland. Winds will increase strong to gale through Thursday in Atlantic sea areas

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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