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Extended outlook

Issued at:

For the period to

Cullercoats
On Tuesday evening, a broad area of low pressure will be centred 1009 Biscay, extending across south of the UK and Cullercoats, and into near continental Europe. High pressure will remain dominant to the north, centred 1040 in the Norwegian Sea. By midday Wednesday, Low pressure becomes centred 1002 Fitzroy, with trough extending north, to the west of the UK, whilst high pressure ridges into the Baltic Sea with new centre 1036 developing. During Thursday, low centre persists to the southwest of the UK, whilst high pressure extends east from Iceland, across northern Cullercoats, and into eastern Europe. Into Friday, high pressure across Iceland becomes dominant, with low persisting southwest of the UK, and a slack flow across eastern Cullercoats. Gales are expected Tuesday evening and Wednesday, south of 59N and south of 53N, before gradually moderating from the south on Wednesday evening. No further gales expected, although strong winds possible Viking and Fair Isle Friday
Niton
On Tuesday evening, a broad area of low pressure will be centred 1009 Biscay, extending across Niton, much of the UK, and into near continental Europe. High pressure will remain dominant to the north, centred 1040 in the Norwegian Sea. By midday Wednesday, Low pressure becomes centred 1002 Fitzroy, with trough extending north, to the west of the UK, whilst high pressure ridges into the Baltic Sea with new centre 1036 developing. During Thursday, low centre persists across western Niton, whilst high pressure extends east from Iceland, across southern Scandinavia, and into eastern Europe. Low pressure continues to dominate, centred in western Niton, whilst high pressure across Iceland becomes dominant to the north. Strong or near gale force winds will be easing across northwest Niton Tuesday evening, with non-hazardous winds expected across much of the region until late Thursday. Strong winds then possible across Fastnet and Shannon, with a risk of isolated gales Friday morning, whilst lighter winds persist elsewhere
Portpatrick
On Tuesday evening, high pressure will remain dominant across much of Portpatrick, centred 1040 in the Norwegian Sea. A broad area of low pressure will be centred 1009 Biscay, extending across much of the south of the UK and the far southwest of Portpatrick. By midday Wednesday, low pressure becomes centred 1002 Fitzroy, with trough extending north, west of the UK and into southwest Portpatrick, whilst high pressure persists across northern parts, as further centre 1036 develops in Baltic Sea. During Thursday, low centre remains to the southwest, whilst high pressure extends east from Iceland, across much of Portpatrick, and into eastern Europe. High pressure centred 1034 near then dominated across Portpatrick Friday. Strong winds, with isolated gales likely across the southwest of Portpatrick Wednesday, moderating during the afternoon. Generally non hazardous winds follow, but strong at times across south Portpatrick

Marine weather extended outlook for the next 3 to 5 days

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.

 

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.

Caution: The internet is not part of the Maritime Safety Information system and should never be relied upon as the only means to obtain the latest forecast and warning information. Access to the service may be interrupted or delayed from time to time, updates may also be delayed. Please refer to GMDSS services, INMARSAT SafetyNET or international NAVTEX for the latest information. When using these web pages, always check that the page on your screen is not from your cache. Use the Refresh or Reload button if in any doubt.

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