Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
High 1037 North Iceland extends a ridge southeast to a high 1028 southwestern Gulf of Bothnia Saturday evening. Ridge will decline Sunday as the high North Iceland remains almost stationary and high Gulf of Bothnia declines southeast. Low 1011 Biscay Saturday evening moves north reaching 1008 in the Channel Sunday night before continuing northeast into southern Scandinavia Monday night, deepening 995 central Norway late Tuesday. Low 1004 West Central Section remains slow moving before filling in situ Monday. Low 1012 East Central Section Sunday moves east and fills by Monday. A further low 1006 moves northeast towards East Central Section from Sunday then deepens east 987 by late Tuesday. No gales are expected throughout this period as winds stay light, peaking fresh for a time over central and southern parts Tuesday
Niton
High 1037 North Iceland extends a ridge southeast to a high 1028 southwestern Gulf of Bothnia Saturday evening. Ridge will decline Sunday as the high North Iceland remains almost stationary and high Gulf of Bothnia declines southeast. Low 1011 Biscay Saturday evening moves north reaching 1008 in the Channel Sunday night before continuing northeast into southern Scandinavia Monday night, deepening 995 central Norway late Tuesday. Low 1004 West Central Section remains slow moving before filling in situ Monday. Low 1012 East Central Section Sunday moves east and fills by Monday. A further low 1006 moves northeast towards East Central Section from Sunday then deepens east 987 by late Tuesday. No gales are expected throughout this period as winds stay light, peaking fresh to strong over central parts for a time Sunday into Monday and western parts Tuesday
Portpatrick
High 1037 North Iceland extends a ridge southeast to a high 1028 southwestern Gulf of Bothnia Saturday evening. Ridge will decline Sunday as the high North Iceland remains almost stationary and high Gulf of Bothnia declines southeast. Low 1011 Biscay Saturday evening moves north reaching 1008 in the Channel Sunday night before continuing northeast into southern Scandinavia Monday night, deepening 995 central Norway late Tuesday. Low 1004 West Central Section remains slow moving before filling in situ Monday. Low 1012 East Central Section Sunday moves east and fills by Monday. A further low 1006 moves northeast towards East Central Section from Sunday then deepens east 987 by late Tuesday. No gales are expected throughout this period as winds stay light, peaking fresh to strong over northern parts from early Monday, increasing strong Tuesday
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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