Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
High expected northern Germany 1028 on Monday evening with a ridge extending north over the North Sea. The high and ridge will move east into Scandinavia on Tuesday as a trough moves east into the UK. A developing low moves northeast, expected Southeast Iceland 978 on Wednesday night, before moving away north with further troughs moving east over the UK and surrounding waters. A ridge of high pressure then builds east into Fitzroy and Biscay late on Thursday. Strong winds expected in Fair Isle on Monday evening, extending into Viking, North Utsire, Forties, Cromarty, Forth, Tyne and Dogger on Tuesday. Gales expected in Viking, North Utsire and South Utsire on Wednesday with strong winds in all other areas except Thames, Dover and Wight. Strong winds easing from most areas on Thursday but are possible later in the southern North Sea and English Channel
Niton
High expected northern Germany 1028 on Monday evening with a ridge extending north over the North Sea. The high and ridge will move east into Scandinavia on Tuesday as a trough moves east into the UK. A developing low moves northeast, expected Southeast Iceland 978 on Wednesday night, before moving away north with further troughs moving east over the UK and surrounding waters. A ridge of high pressure then builds east into Fitzroy and Biscay late on Thursday. Strong winds are expected on Monday evening and into early Tuesday in all areas except Thames, Dover and Wight. Winds then ease in most areas on Tuesday but remain strong at times in Fitzroy, Sole and Shannon. Gales expected in Shannon on Wednesday with strong winds in Fitzroy, Sole, Lundy, Fastnet and Irish Sea. Strong winds expected in all areas on Thursday
Portpatrick
High expected northern Germany 1028 on Monday evening with a ridge extending north over the North Sea. The high and ridge will move east into Scandinavia on Tuesday as a trough moves east into the UK. A developing low moves northeast, expected Southeast Iceland 978 on Wednesday night, before moving away north with further troughs moving east over the UK and surrounding waters. Gales expected in Rockall, Malin, Hebrides, Bailey, Faeroes and Southeast Iceland on Monday evening and into Tuesday with strong winds in all other areas. Winds ease for a time on Tuesday then strengthen overnight and on Wednesday morning with gales expected in all areas, except in Lundy, Fastnet, Irish Sea and Fair Isle where strong winds are expected. These conditions continuing but gales are expected to ease later on Thursday
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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