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 Wednesday, 26 June 2019 for the period ending 7am Friday.
At 1a.m. low, 1018mb, over Denmark, expected to move northeast. High, 1039mb, mid-Atlantic, expected to extend a ridge across the UK through the day.
Forecast from 7am Wednesday to 7am Thursday.
Wind: Northeast to east 4 to 6, increasing 6 to 7 with gusts to 45kt by evening, locally gale 8 for a time overnight, mainly around Cap De La Hague and mid-Channel, with gusts to 50kt.
Sea state: Slight, increasing moderate by midday, then moderate to rather rough in the afternoon, increasing rough overnight, mainly mid-Channel.
Weather: Isolated showers at first with a risk of thunder, clearing northwest during the morning. Mist and a risk of fog patches, mainly in the north of the area, clearing during the afternoon.
Visibility: Moderate to good, occasionally poor, perhaps locally very poor.
Swell: 2 to 3 feet.
Outlook from 7am Thursday to 7am Friday.
Wind: Northeast to east 6 to 7, with gusts of 45kt until evening, locally 4 to 5 in the southeast of the area.
Sea state: Moderate in the southeast, increasing to rough in the northwest.
Weather: Occasional haze, risk of mist at first.
Visibility: Moderate to good, perhaps locally poor.