Y Tywydd Arfordir a Môr
Mae'r cynnwys hwn ar gael yn Saesneg yn unig.
A 24 hour weather forecast for 24 UK coastal areas
There are strong wind warnings in 3 areas.
There is a gale warning in 1 area.
A low currently centred to the northwest of Scotland will merge with a developing low moving in from the southwest, to become a complex area of low pressure centred over the middle of the British Isles by Saturday.
The general synopsis at 0600
Low 150 miles west of north Bailey 1005 expected north Rockall 1002 by 0600 tomorrow
The Extended Outlook aims to signpost expected hazards for the Cullercoats, Niton and Portpatrick areas for the three days beyond the 24 hour shipping forecast.
The general synopsis at 31 July 07:00 UTC
At 310000UTC, low 67 north 03 west 994 expected 68 north 07 east 993 by 010000UTC. Low 62 north 21 west 1007 expected 58 north 14 west 1003 by same time. High 46 north 36 west 1029 expected 43 north 48 west 1031 by that time. New high expected 59 north 35 west 1018 by 010000UTC