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 11 areas.

There is a gale warning in 1 area.

High pressure in the North Sea will gradually retreat towards mainland Europe, and consequently winds will ease in the south.

Rhagolwg Llongau

There is a gale warning in 1 area.

The general synopsis at 0600

Low Trafalgar 991, slow moving, filling 1008 by 0600 tomorrow.

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 3 areas.

The general synopsis at 4 December 08:00 UTC

At 040000UTC, low 40 north 49 west 987 expected 46 north 36 west 962 by 050000UTC. Low 55 north 42 west 978 expected 58 north 45 west 986 by same time. Lows 47 north 38 west 987 and 68 north 18 west 998 losing their identities by that time. New high expected 70 north 15 west 1022 by 050000UTC.