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 9 areas.
There is a gale warning in 1 area.
A slow-moving low centred just northwest of Iberia will bring a warm, humid airflow across the British Isles tonight and in the south through Saturday. However, pressure will build from the west to bring cooler, fresher conditions from the north during the course of the weekend.
The general synopsis at 1800
Low Fitzroy 1000 slow-moving, filling 1009 by 1800 Saturday. High 400 miles west of Rockall 1027 expected west Rockall with little change by same time
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 19 September 19:00 UTC
At 191200UTC, high 57 north 28 west 1027 expected 56 north 17 west 1027 by 201200UTC. Low 66 north 26 west 1011 expected 69 north 14 west 1012 by same time. Low 44 north 13 west 999 expected 43 north 14 west 1007 by that time. at 191200UTC, low 68 north 02 west 1009 expected 67 north 08 east 1005 by 201200UTC. Low 56 north 53 west 1003 expected 58 north 49 west 984 by same time. New low expected 64 north 16 west 1019 by that time. Low 62 north 40 west 1017 losing its identity