At 6am low, 962 mb, 250 miles northeast of Scotland expected to move east with associated fronts slow moving over Britain. New low, 988 mb, expected northwest Ireland by midnight, then moving east and deepening with cold front crossing the Channel by afternoon.
Forecast from 1pm Wednesday to 1pm Thursday.
Weather: Occasional rain or drizzle and mist patches, clearing later.
Wind: Southwest 5 to 6, locally 7 in the north, increasing 6 to gale 8 Thursday morning, with gusts to 50kt, veering west to northwest later.
Visibility: Moderate to good, occasionally poor.
Sea state: Moderate to rather rough Jersey southwards, rather rough to rough Jersey northwards, becoming rough to very rough Thursday morning.
Sea swell: 3 to 5 feet becoming confused with total waves 9 to 15 feet.
Sea temperature: 9
Outlook from 1pm Thursday to 1pm Friday.
Weather: Isolated showers developing by evening.
Wind: Northwest 6 to 7, occasionally gale 8 with gusts to 50kt in the north at first, decreasing 5 to 6 overnight, then 4 to 5 Friday morning.
Visibility: Moderate to good.
Sea state: Rough to very rough, decreasing rather rough to rough overnight, then moderate later.