Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
Low 990 expected over Humber on Monday evening moving southeast into the Continent on Monday night and during Tuesday, as it loses its identity. Azores High 1029 expected midday Tuesday stretches a ridge into western United Kingdom, but ridge gradually slips southeast during Wednesday and Thursday. Low 993 expected west of Iceland midday Tuesday, moves northeast as it deepens, expected 989 by midday Wednesday over Norwegian Basin. New low 968 expected southwest of Iceland midday Wednesday, continues to deepen as it moves northeast towards Southeast Iceland, expected 964 west of Bailey by midday Thursday. Strong winds possible for a time in southern North Sea from Monday evening, easing on Tuesday afternoon. Strong winds and near gales then expected to spread into the region from the northwest from Wednesday morning onwards, with gales in Viking and North Utsire on Wednesday night
Niton
Low 990 expected over Humber on Monday evening moving southeast into the Continent on Monday night and during Tuesday, as it loses its identity. Azores High 1029 expected midday Tuesday stretches a ridge into western United Kingdom, but ridge gradually slips southeast during Wednesday and Thursday. Low 993 expected west of Iceland midday Tuesday, moves northeast as it deepens, expected 989 by midday Wednesday over Norwegian Basin. New low 968 expected southwest of Iceland midday Wednesday, continues to deepen as it moves northeast towards Southeast Iceland, expected 964 west of Bailey by midday Thursday. Strong winds expected for a time in Biscay, Fitzroy, Sole, Fastnet, Irish Sea and Shannon on Monday evening, easing for all early Tuesday. Strong winds then expected to gradually spill in from the northwest on Wednesday morning, continuing into Thursday and affecting all sea areas at times
Portpatrick
Low 990 expected over Humber on Monday evening moving southeast into the Continent on Monday night and during Tuesday, as it loses its identity. Azores High 1029 expected midday Tuesday stretches a ridge into western United Kingdom, but ridge gradually slips southeast during Wednesday and Thursday. Low 993 expected west of Iceland midday Tuesday, moves northeast as it deepens, expected 989 by midday Wednesday over Norwegian Basin. New low 968 expected southwest of Iceland midday Wednesday, continues to deepen as it moves northeast towards Southeast Iceland, expected 964 west of Bailey by midday Thursday. Strong winds expected for a time in Fastnet, Irish Sea and Shannon on Monday evening, easing for all on Monday night. Strong winds then expected to gradually spread in from the west from Tuesday afternoon onwards affecting all sea areas and with gales for a time in South East Iceland from Wednesday evening, as well as Rockall, Malin, Hebrides and Bailey 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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