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.

A ridge of high pressure will gradually encroach from the west during the next 24 hours but Atlantic fronts will follow across the British Isles during the course of Sunday.

Rhagolwg Llongau

There is a gale warning in 1 area.

The general synopsis at midnight

High 150 miles west of north Fitzroy 1027 expected Fitzroy 1033 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 15 December 20:00 UTC

At 151200UTC, low 61 north 39 west 1002 expected 62 north 41 west 982 by 161200UTC. High 48 north 21 west 1025 expected 44 north 16 west 1030 by same time. New low expected 72 north 09 west 1003 by that time.