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 17 areas.

There is a gale warning in 1 area.

Heavy, squally showers and thunderstorms across northern areas will continue to spread northwards during Saturday. A mainly dry southwesterly airflow will gradually follow from the southwest, although there will be some more thundery showers during Sunday.

Rhagolwg Llongau

There is a gale warning in 1 area.

The general synopsis at midnight

Low 200 miles west of Rockall 997 slow-moving, deepening 996 by midnight tonight

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 4 July 07:00 UTC

At 040000UTC, low 55 north 21 west 997 expected 54 north 22 west 996 by 050000UTC. Low 47 north 53 west 1005 expected 49 north 41 west 995 by same time