At 1 a.m. Low, 1008mb, 450 miles southwest of Ireland, expected to drift south and slowly fill, with associated active fronts affecting the Channel.
Forecast from 7pm Monday to 7pm Tuesday.
Weather: Widespread showers, locally heavy with thunder, mostly clearing by dawn. Mist and fog patches.
Wind: Variable 1 to 3 in the north at first, otherwise northerly 2 to 4, locally 5 until after midnight, perhaps with gusts to 30kt, backing northwesterly 1 to 3 by midday, locally 4.
Visibility: Moderate to poor, occasionally very poor, locally good times.
Sea state: Smooth or slight.
Sea swell: 2 to 3 feet.
Sea temperature: 16
Outlook from 7pm Tuesday to 7pm Wednesday.
Weather: Mist and fog patches becoming more isolated after midnight and clearing Wednesday morning. A risk of thundery showers Wednesday morning.
Wind: North to northwest 2 to 3, locally 4, gradually veering northeast to east by dawn, increasing 4 to 5 Wednesday morning, then 5 to 6 in the afternoon.
Visibility: Moderate to poor, occasionally very poor, becoming moderate to good Wednesday morning.
Sea state: Smooth or slight, increasing slight to moderate by midday, then moderate to rather rough in the afternoon, with a low swell.