Coast and sea

Extended outlook

Issued at: .

For the period to .

Extended outlook map

Cullercoats

High German Bight 1025 at 1800 on Friday, expected Baltic Sea 1027 by midday on Saturday before moving away to the east. Meanwhile, an Atlantic low will move north or northeast, reaching Iceland 996 on Sunday, before moving away to the north and filling on Monday. New developing low expected just west of Shannon 1002 at midday on Sunday, expected Fastnet 982 on Monday. Strong winds are expected at times in Viking and North Utsire on Friday evening and Saturday, then also in Forties, Fisher, Dogger, German Bight and Fair Isle later on Sunday. Strong winds will then extend into all areas on Monday with a chance of gales in Viking, South Utsire, Forties, Fisher and Fair Isle. Widespread fog is not expected

Niton

High German Bight 1025 at 1800 on Friday, expected Baltic Sea 1027 by midday on Saturday before moving away to the east. Meanwhile, an Atlantic low will move north or northeast, reaching Iceland 996 on Sunday, before moving away to the north and filling on Monday. New developing low expected just west of Shannon 1002 at midday on Sunday, expected Fastnet 982 on Monday. Strong winds are not expected on Friday and Saturday but are expected to develop in Plymouth, Biscay, Fitzroy, Sole, Fastnet and Shannon later on Sunday. Gales are likely to develop on Monday in Biscay, Fitzroy, Sole, Fastnet and Shannon with strong winds in all other areas. Widespread fog is not expected

Portpatrick

High German Bight 1025 at 1800 on Friday, expected Baltic Sea 1027 by midday on Saturday before moving away to the east. Meanwhile, an Atlantic low will move north or northeast, reaching Iceland 996 on Sunday, before moving away to the north and filling on Monday. New developing low expected just west of Shannon 1002 at midday on Sunday, expected Fastnet 982 on Monday. Strong winds are expected on Saturday in Rockall and Bailey and are then expected to extend into Shannon, Faeroes and Southeast Iceland on Sunday. Gales are likely to develop on Monday in Shannon, and perhaps later in Fastnet, Rockall, Bailey and Southeast Iceland, with strong winds in all other areas. Widespread fog is not expected

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.

Marine forecasts disclaimer

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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