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.

The British Isles will lie within an easterly flow of air over the next couple of days, between high pressure centred to the north of Scotland, and low pressure centred near to the English Channel.

Rhagolwg Llongau

The general synopsis at midnight

Low northeastern France 1006 expected Plymouth 998 by midnight tonight. New high expected Faeroes 1022 by same time. High southern Norway 1027 dissipating

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 is a storm warning in 1 area.

The general synopsis at 19 April 19:00 UTC

At 191200UTC, low 44 north 55 west 1013 expected 50 north 47 west 981 by 201200UTC. Low 66 north 33 west 995 expected 67 north 28 west 999 by same time. New low expected 63 north 05 west 1017 by that time. at 191200UTC, high 48 north 42 west 1031 expected 55 north 24 west 1022 by 201200UTC. Highs 58 north 08 east 1026 and 73 north 20 west 1008 dissipating