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 13 areas.

There is a gale warning in 1 area.

A brief ridge of high pressure will move eastwards across the United Kingdom. Another set of fronts will reach western areas during Friday and move slowly southeastwards, maintaining changeable conditions.

Rhagolwg Llongau

There are gale warnings in 11 areas.

The general synopsis at midday

Low Scotland 1007 moving rather quickly northeast losing its identity by midday tomorrow. New low moving rather quickly northeast expected Malin 1006 by same time. New high expected Biscay 1024 by that time

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

There are storm warnings in 2 areas.

The general synopsis at 21 September 07:00 UTC

At 210000UTC, developing low near 51 north 53 west expected 51 north 35 west 978 by 220000UTC. Low 52 north 37 west 1007 expected 52 north 14 west 1001 by same time. Low 64 north 26 west 987 expected 62 north 30 west 990 by that time. at 210000UTC, low Scotland 1006 expected 68 north 09 west 1001 by 220000UTC. Low 59 north 20 west 999 losing its identity. High southern Greenland 1021 dissipating