Coast and sea

Extended outlook

Issued at: .

For the period to .

Extended outlook map

Cullercoats

On Sunday evening, an area of high pressure 1033, will be centred near Bailey. This high pressure centre will gradually track west to be centred 61N 24W on Monday evening, 1030. A low 1007, centred over Denmark on Sunday evening will gradually fill as it moves westwards across Skaggerak to be centred over Scotland Monday night. It will then sink southwestwards and eventually lose its identity over Ireland on Tuesday. A second low will develop over the Azores Sunday night, becoming a complex feature as it tracks north through southwest approaches and into southern Niton sea areas by the end of the period. Near gales possible in Fair Isle Sunday night, with strong winds transferring westwards and easing overnight. Strong winds, perhaps near gale, may develop through English Channel areas and into Humber on Wednesday evening, but there is currently low confidence in this. Further hazardous winds are not expected for Cullercoats during the period

Niton

On Sunday evening, an area of high pressure 1033, will be centred near Bailey. This high centre will gradually track west to be centred 61N 24W on Monday evening, 1030. A low 1007, centred over Denmark on Sunday evening will gradually fill as it moves westwards across Skaggerak to be centred over Scotland Monday night, before sinking southwestwards and eventually losing its identity over Ireland on Tuesday. A second low will develop over the Azores Sunday night, becoming a complex feature as it tracks north through southwest approaches and into Fitzroy by Wednesday evening. Strong winds may affect Fitzroy at times from Sunday to Tuesday, increasing to near gale on Wednesday. Strong winds, perhaps near gale, may also develop through English Channel areas on Wednesday evening, but there is currently low confidence in this. Further hazardous winds are not expected to affect the rest of Niton sea areas during this period

Portpatrick

On Sunday evening, an area of high pressure 1033, will be centred near Bailey. This high pressure centre will gradually track west to be centred 61N 24W on Monday evening, 1030. A low 1007, centred over Denmark on Sunday evening will gradually fill as it moves westwards across Skaggerak to be centred over Scotland Monday night. It will then sink southwestwards and eventually lose its identity over Ireland on Tuesday. A second low will develop over the Azores Sunday night, becoming a complex feature as it tracks north through southwest approaches and into southern Niton sea areas by the end of the period. The high pressure pattern will predominate across Portpatrick initially, with resultant winds variable about this feature. Strong winds or near gales possible over Fair Isle, Faeroes and South East Iceland Sunday night, strong winds transferring westwards and easing Monday. Further hazardous winds are not expected for Portpatrick during the period

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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