Issued by the Jersey Met at 09:00UTC Monday , 20 January 2020 for the period ending 12:00UTC Wednesday.
At 06:00UTC intense high, 1049mb, centred over the Severn Estuary, expected to drift west to be 1045mb to the southwest of Ireland by noon Tuesday.
Forecast from 12:00UTC Monday to 12:00UTC Tuesday.
Forecast: Mist or fog patches after midnight, mainly near French coasts.
Wind: East to northeast 3 to 4, locally 5 in the south of the area, decreasing 2 to 4 overnight.
Visbility: Good, locally poor or very poor after midnight.
Sea State: Slight, locally smooth in southeast of the area after midnight, with a low swell.
Outlook from 12:00UTC Tuesday to 12:00UTC Wednesday.
Forecast: Some mist and risk of fog patches early afternoon and again from midnight till around dawn, especially near French coasts.
Wind: Northeast to east 2 to 4, increasing 3 to 4 locally 5 after dawn.
Visbility: Good, locally poor or perhaps very poor.
Sea State: Slight, locally smooth in east of the area till dawn, with a low swell.