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 brief ridge of high pressure will build across the United Kingdom on Saturday. However deep areas of low pressure will develop to the northwest of Scotland and to the east of Scotland on Sunday.

Rhagolwg Llongau

There are gale warnings in 2 areas.

The general synopsis at midnight

Low German Bight 998 expected southern Sweden 991 by midnight tonight. New low expected Rockall 991 by same time. Low Fair Isle 998 losing its identity

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 30 May 07:00 UTC

At 300000UTC, low 61 north 41 west 981 expected 61 north 35 west 983 by 310000UTC. New low expected 58 north 14 west 991 by same time. Lows 60 north 02 west 998 and 66 north 09 east both losing their identities by that time. at 300000UTC, high 48 north 50 west 1029 expected 44 north 37 west 1029 by 310000UTC