Y Tywydd Arfordir a Môr
Mae'r cynnwys hwn ar gael yn Saesneg yn unig.
A 24 hour weather forecast for 24 UK coastal areas
There are strong wind warnings in 4 areas.
There is a gale warning in 1 area.
The British Isles currently lies under a westerly airflow, although during the next 48 hours a couple of areas of low pressure will move across the country from the west. Various fronts will bring rain or thundery showers at times, more so to northern and western areas.
The general synopsis at 1800
Low central Spain 1009 slow-moving deepening 1007 by 1800 Thursday. Low Norwegian Basin 995 moving away slowly northeastwards
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.
The general synopsis at 30 July 19:00 UTC
At 301200UTC, low 63 north 03 west 995 expected 67 north 05 east 991 by 311200UTC. New slow moving low expected 61 north 20 west 1005 by same time. New low moving steadily eastwards expected 55 north 38 west 1013 by that time. at 301200UTC, high 47 north 35 west 1029 expected 44 north 42 west with little change by 311200UTC. High 65 north 45 west 1024 slow moving, declining 1022 by same time