Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
High 1027 eastern Europe weakens as it moves southeast into the Mediterranean during the weekend. Low 999 70N 006E will clear into the Barents Sea during Saturday as the low 988 over Svalbard moves towards Jan Mayen. A further low 1009 develops in the Denmark Strait Saturday before deepening east into the Norwegian Sea Sunday. These lows amalgamate over the Norwegian Sea Monday. Low 1015 39N 015W deepens into the Channel during the weekend before filling Monday. High 1034 53N 039W extends a ridge southeast to high 1020 west of the Canaries Friday night. This high and ridge move very slowly east through this period with the low 1007 34N 043W following slowly southeast behind it, reaching south of the Azores by late Monday. Strong winds brush the far north of Fair Isle and Viking at times Sunday and Monday with no gales or further strong winds expected during this period
Niton
High 1027 eastern Europe weakens as it moves southeast into the Mediterranean during the weekend. Low 999 70N 006E will clear into the Barents Sea during Saturday as the low 988 over Svalbard moves towards Jan Mayen. A further low 1009 develops in the Denmark Strait Saturday before deepening east into the Norwegian Sea Sunday. These lows amalgamate over the Norwegian Sea Monday. Low 1015 39N 015W deepens into the Channel during the weekend before filling Monday. High 1034 53N 039W extends a ridge southeast to high 1020 west of the Canaries Friday night. This high and ridge move very slowly east through this period with the low 1007 34N 043W following slowly southeast behind it, reaching south of the Azores by late Monday. Strong winds build over Plymouth northern Biscay and eastern Sole Monday afternoon; no gales are expected through this period
Portpatrick
High 1027 eastern Europe weakens as it moves southeast into the Mediterranean during the weekend. Low 999 70N 006E will clear into the Barents Sea during Saturday as the low 988 over Svalbard moves towards Jan Mayen. A further low 1009 develops in the Denmark Strait Saturday before deepening east into the Norwegian Sea Sunday. These lows amalgamate over the Norwegian Sea Monday. Low 1015 39N 015W deepens into the Channel during the weekend before filling Monday. High 1034 53N 039W extends a ridge southeast to high 1020 west of the Canaries Friday night. This high and ridge move very slowly east through this period with the low 1007 34N 043W following slowly southeast behind it, reaching south of the Azores by late Monday. Strong winds over South East Iceland spread to bailey and Faeroes Sunday and Fair Isle Monday. No gales are expected during this 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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