Y Tywydd Arfordir a Môr
Mae'r cynnwys hwn ar gael yn Saesneg yn unig.
Rhagolwg Arfordirol
A 24 hour weather forecast for 24 UK coastal areas
Tablau Llanw
Tidal information supplied by the UK Hydrographic Office
Dyfroedd Gyda'r Glannau
There are strong wind warnings in 19 areas.
There is a gale warning in 1 area.
High pressure remains to the southwest of the United Kingdom, whilst a developing area of low pressure approaches from the east. This will bring cold north or northwest winds to the United Kingdom.
Rhagolwg Llongau
There are gale warnings in 15 areas.
The general synopsis at 1800
Low Denmark 994 expected Forties 991 by 1800 Thursday
Rhagolwg Estynedig
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.
Moroedd Uchel
The general synopsis at 22 May 19:00 UTC
At 221200UTC, low 70 north 07 west 995 expected 69 north 09 west 1011 by 231200UTC. Low 58 north 10 east 995 expected 57 north 04 east 993 by same time. Low 58 north 45 west 1000 expected 63 north 38 west 1009 by that time. at 221200UTC, high 50 north 23 west 1037 expected 48 north 21 west 1035 by 231200UTC. New low expected 53 north 32 west 1016 by same time. High 66 north 27 west 1031 dissipating