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 19 areas.
There is a gale warning in 1 area.
Low pressure over the United Kingdom will move away eastwards allowing high pressure over southern Europe to build towards southeast England. Meanwhile, another deep area of low pressure will move northeastwards between Iceland and Scotland during Tuesday and Wednesday.
There are gale warnings in 27 areas.
The general synopsis at 0600
Low Shannon 1001 moving very rapidly eastwards and losing its identity by midnight tonight. High northeast Spain 1040, slow moving, declining 1035 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.
There are storm warnings in 6 areas.
The general synopsis at 30 November 08:00 UTC
New low moving slowly northeastwards, expected 62 north 41 west 975 by 010000UTC. New low moving rapidly northeastwards, expected 46 north 33 west 989 by same time. Lows 64 north 38 west 981, 50 north 38 west 999, 52 north 19 west 1002, 64 north 04 east 970 and 71 north 02 west 975 all losing their identities