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 14 areas.
There is a gale warning in 1 area.
Pressure will build to the north of the United Kingdom, whilst a complex area of low pressure persists across much of Europe and the Atlantic. A mainly easterly airflow will continue to affect most areas.
The general synopsis at 0600
New high expected 200 miles northeast of Iceland 1032 by 0600 tomorrow. New low expected central England 1005 by same time. Lows Sole 997 and southeast Fitzroy 1003, both losing their identities
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.
There is a storm warning in 1 area.
The general synopsis at 21 April 07:00 UTC
At 210000UTC, low 52 north 41 west 969 expected 54 north 38 west 974 by 220000UTC. Low 50 north 07 west 999 expected 52 north 18 west 997 by same time. Low 74 north 09 west 1001 expected 75 north 30 east 990 by that time. New low expected 50 north 24 west 989 by 220000UTC. New highs expected 66 north 05 west 1029 and 71 north 28 west 1026 by same time. High 61 north 08 east 1025 dissipating