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Extended Outlook

2100 UTC Thursday 03 September to 2100 UTC Sunday 06 September 2015
Issued by the Met Office, on behalf of the Maritime and Coastguard Agency, at 012006 UTC

Cullercoats

An area of low pressure with centre 1002 is expected over sea area Dogger on Thursday evening, then drifting slowly south during Friday to lie near the Dutch coast, 1006, by Friday evening. The low then fills slowly during Saturday and moves away into Germany. A large area of high pressure centred to the west of sea area Shannon on Friday is expected to drift slowly east during Saturday and Sunday to lie near the west coast of Ireland, 1032, by Sunday evening. Strong winds are expected to affect most areas north of 53 north on Thursday evening, before extending south into Thames, Dover and Wight during Friday. Strong northerly winds are expected to continue in most areas through Saturday with a risk of gales for a time in central parts of the North Sea, before winds ease slowly from the west on Sunday

Niton

An area of low pressure with centre 1002 is expected over sea area Dogger on Thursday evening, then drifting slowly south during Friday to lie near the Dutch coast, 1006, by Friday evening. The low then fills slowly during Saturday and moves away into Germany. A large area of high pressure centred to the west of sea area Shannon on Friday is expected to drift slowly east during Saturday and Sunday to lie near the west coast of Ireland, 1032, by Sunday evening. Strong north to northwest winds developing in Thames, Dover and Wight on Friday, easing in Wight on Saturday, but continuing in Thames and Dover, before easing early on Sunday. Occasional strong east to northeast winds are expected to affect the south of Fitzroy throughout the period. No other hazards are expected elsewhere through the period

Portpatrick

An area of low pressure with centre 1002 is expected over sea area Dogger on Thursday evening, then drifting slowly south during Friday to lie near the Dutch coast, 1006, by Friday evening. The low then fills slowly during Saturday and moves away into Germany. A large area of high pressure centred to the west of sea area Shannon on Friday is expected to drift slowly east during Saturday and Sunday to lie near the west coast of Ireland, 1032, by Sunday evening. Occasional strong, mainly north to northwest winds are expected to affect Fair Isle on Thursday evening, Friday and Saturday before easing during Sunday. Occasional strong west to southwest winds are expected to develop in South-East Iceland during Saturday and Sunday. No other hazards are expected elsewhere through the period

Extended outlook overview

The extended outlooks are issued once a day, at 2300 GMT and cover the next 3 to 5 days.

For the extend 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.