Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
High 1027 expected over Scandinavia on Saturday evening, will gradually decline eastwards during Sunday and Monday. Low expected 983 west of Rockall on Saturday evening will deepen and become multi-centred, with primary centre expected 971 west of Bailey and secondary centre expected 977 west of Shannon by midday on Sunday. This low gradually moves eastwards, with primary low centre expected 964 over Hebrides by midday on Monday and secondary centre 992 west of Fitzroy. Primary low then expected 976 over Faeroes by midday on Tuesday, and secondary centre expected 990 over Plymouth. Strong winds expected in northern North Sea from Saturday evening will gradually spread south and east during Sunday morning, with gales developing across all areas apart from the Channel during Sunday. Gales continue in the north and east of region into Monday, with severe gales in the northeast, and strong winds elsewhere, before strong winds ease in the south later Monday. Gales then ease in northeast on Tuesday
Niton
High 1027 expected over Scandinavia on Saturday evening, will gradually decline eastwards during Sunday and Monday. Low expected 983 west of Rockall on Saturday evening will deepen and become multi-centred, with primary centre expected 971 west of Bailey and secondary centre expected 977 west of Shannon by midday on Sunday. This low gradually moves eastwards, with primary low centre expected 964 over Hebrides by midday on Monday and secondary centre 992 west of Fitzroy. Primary low then expected 976 over Faeroes by midday on Tuesday, and secondary centre expected 990 over Plymouth. Strong winds in the west on Saturday evening will gradually spread east across the region during Sunday, with gales developing in the west from late Sunday morning, and severe gales at times in the far northwest. Gales easing for most during Monday, but widespread strong winds likely and continue into Tuesday, with a risk of isolated gales continuing in Fitzroy and Biscay at times
Portpatrick
High 1027 expected over Scandinavia on Saturday evening, will gradually decline eastwards during Sunday and Monday. Low expected 983 west of Rockall on Saturday evening will deepen and become multi-centred, with primary centre expected 971 west of Bailey and secondary centre expected 977 west of Shannon by midday on Sunday. This low gradually moves eastwards, with primary low centre expected 964 over Hebrides by midday on Monday and secondary centre 992 west of Fitzroy. Primary low then expected 976 over Faeroes by midday on Tuesday, and secondary centre expected 990 over Plymouth. Strong winds and gales are likely to affect most of the region from Saturday evening onwards. Gales and strong winds easing for a time in the north on Sunday afternoon but increasing again across the region into Monday, before gales ease for all but the far north of the region on Tuesday and strong winds remain
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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