gov.jeFor 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 Met at 21:00UTC Thursday , 21 January 2021 for the period ending 00:00UTC Sunday.
General Situation
At 18:00UTC low, 983mb, Dieppe, expected 971mb over Sweden by 12:00UTC Friday. Further intense low, 950mb, Viking, expected 965mb, North Utsire, by the same time.
Forecast from 00:00UTC Friday to 00:00UTC Saturday.
Wind: Westerly 3 to 4, locally 5, increasing 4 to 6 around dawn with gusts to 35kt, locally 7 Friday evening.
Sea state: Slight to moderate with a low to moderate swell, increasing moderate to rather rough by late morning, locally rough in the west, generally increasing rather rough to rough by evening.
Weather: Isolated showers, becoming more frequent by mid-morning, occasionally heavy with hail.
Visibility: Good, occasionally moderate, perhaps locally poor.
Swell:
Outlook from 00:00UTC Saturday to 00:00UTC Sunday.
Wind: Southwest to south 4 to 5, perhaps locally 6 at first, becoming variable 2 to 4 before dawn, then northerly by midday, backing southwesterly later.
Sea state: Slight to moderate with a low to moderate swell, locally rather rough before dawn.
Weather: Outbreaks of rain, locally heavy with hail, clearing to scattered showers by midday, becoming isolated by evening.
Visibility: Good, occasionally moderate, perhaps locally poor.
