Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
Low 1006 Humber moves steadily northwest, becoming 1008 over southern Scotland Saturday and 1003 over northern Scotland Sunday before filling over Hebrides Monday. Transient ridge Biscay to Iceland Friday evening will decline overnight as the low 1003 Fitzroy deepens and tracks northeast to Sole 1000 on Saturday, southwestern England 1003 Sunday and 1006 Humber Monday. A further low 1008 will track northeast over Fitzroy early Sunday before filling in the evening. A weak ridge will build between Trafalgar and Iceland Monday morning then weaken as it moves slowly east over the UK from Monday evening. The high over the Norwegian Basin Friday evening will move slowly south-eastward Saturday and then decline north Sunday. No gales are expected throughout this period. Thames will see strong winds for a time during Friday evening, but these soon ease. Eastern parts of Forties will see a brief spell of strong wind Saturday morning, otherwise, winds remain below limits
Niton
Low 1006 Humber moves steadily northwest, becoming 1008 over southern Scotland Saturday and 1003 over northern Scotland Sunday before filling over Hebrides Monday. Transient ridge Biscay to Iceland Friday evening will decline overnight as the low 1003 Fitzroy deepens and tracks northeast to Sole 1000 on Saturday, southwestern England 1003 Sunday and 1006 Humber Monday. A further low 1008 will track northeast over Fitzroy early Sunday before filling in the evening. A weak ridge will build between Trafalgar and Iceland Monday morning then weaken as it moves slowly east over the UK from Monday evening. The high over the Norwegian Basin Friday evening will move slowly south-eastward Saturday and then decline north Sunday. No gales are expected throughout this period. Thames will see strong winds for a time during Friday evening, but these soon ease. Near Gale winds spread north and east from Fitzroy overnight and during Saturday then decrease overnight into Sunday
Portpatrick
Low 1006 Humber moves steadily northwest, becoming 1008 over southern Scotland Saturday and 1003 over northern Scotland Sunday before filling over Hebrides Monday. Transient ridge Biscay to Iceland Friday evening will decline overnight as the low 1003 Fitzroy deepens and tracks northeast to Sole 1000 on Saturday, southwestern England 1003 Sunday and 1006 Humber Monday. A further low 1008 will track northeast over Fitzroy early Sunday before filling in the evening. A weak ridge will build between Trafalgar and Iceland Monday morning then weaken as it moves slowly east over the UK from Monday evening. The high over the Norwegian Basin Friday evening will move slowly south-eastward Saturday and then decline north Sunday. No gales are expected throughout this period. Strong winds briefly affect parts of Shannon, Fair Isle and Faroe at times into Saturday as well as Rockall, Bailey and South East Iceland Sunday and Monday
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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