Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
A complex low with centres Biscay 1007 and Germany 1002 at midday on Friday expected to combine with one centre over Germany 1005 by midday on Saturday. Ridge of high pressure to the north and west of the UK at the same time. The low over Germany expected in the Baltic Sea 1009 by midday Sunday with a deep low southeast of Iceland 995 by that time and a ridge of high pressure around the UK. The low centred southeast of Iceland slow moving and expected to deepen to around 985 by midday on Monday with a ridge of high pressure extending from the Bay of Biscay, through the UK to southern Norway. Occasional strong winds at first in Germany Bight and perhaps on Monday in Viking, North Utsire, South Utsire and Fisher
Niton
A complex low with centres Biscay 1007 and Germany 1002 at midday on Friday expected to combine with one centre over Germany 1005 by midday on Saturday. Ridge of high pressure to the north and west of the UK at the same time. The low over Germany expected in the Baltic Sea 1009 by midday Sunday with a deep low southeast of Iceland 995 by that time and a ridge of high pressure around the UK. The low centred southeast of Iceland slow moving and expected to deepen to around 985 by midday on Monday with a ridge of high pressure extending from the Bay of Biscay, through the UK to southern Norway. Occasional strong winds at first in Fitzroy, Sole and and Shannon and later in the south of Fitzroy
Portpatrick
A complex low with centres Biscay 1007 and Germany 1002 at midday on Friday expected to combine with one centre over Germany 1005 by midday on Saturday. Ridge of high pressure to the north and west of the UK at the same time. The low over Germany expected in the Baltic Sea 1009 by midday Sunday with a deep low southeast of Iceland 995 by that time and a ridge of high pressure around the UK. The low centred southeast of Iceland slow moving and expected to deepen to around 985 by midday on Monday with a ridge of high pressure extending from the Bay of Biscay, through the UK to southern Norway. Occasional strong winds all areas except, Lundy, Fastnet, Irish Sea and Fair Isle
The extended outlook information
The extended outlooks are issued once a day, at 2300 GMT and cover the next 3 to 5 days.
For the extended 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.
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