For the area bounded by latitude 50N, the French coast between Cap de la Hague and Île de Bréhat and longitude 3W.
Issued by the Jersey Meteorological Department at 4am Saturday, 20 April 2019 for the period ending 7am Monday.
At 1am high, 1039mb, over southern Norway expected to slowly decline, with a linking ridge across southern UK to another high, 1031mb , to the southwest of Ireland, which will be slow moving.
Forecast from 7am Saturday to 7am Sunday.
Wind: North to northeast 4 occasionally 3, perhaps locally 5 this afternoon and evening, veering northeast to east during the evening.
Sea state: Slight.
Weather: Mostly fine, some haze, but risk of mist or fog patches near the Normandy coast early morning.
Visibility: Moderate to good but locally poor or very poor near Normandy coast early morning.
Swell: 1 to 2 feet, increasing 3 to 5 feet tonight.
Outlook from 7am Sunday to 7am Monday.
Wind: Northeast to east 2 to 4 veering east to southeast during Sunday night.
Sea state: Slight with a low swell.
Weather: Fine or fair with some haze. Risk of mist or fog patches near French coasts around dawn.
Visibility: Moderate to good, locally poor to very poor around dawn near French coasts.