Channel Islands shipping forecast
For the area bounded by latitude 50°N, the French coast between Cap de la Hague and Ile de Brehat and longitude 3°W.
Issued by Jersey Met at 03:00UTC Wednesday , 22 January 2025 for the period ending 06:00UTC Friday.
General Situation
At 00:00UTC low, 994mb, 300 miles west of Portugal, expected to move west and fill. New low, expected to develop mid-Atlantic by Thursday then move northeast and deepen, to be 958mb, Storm Eowyn, sea area Shannon by Friday.
Forecast from 06:00UTC Wednesday to 06:00UTC Thursday.
Wind: Variable 1 to 3, gradually becoming northerly 3 to 5 during the afternoon, backing northwest 3 to 4 by midnight and west to southwest 4 to 5 later.
Sea state: Smooth or slight, becoming slight to moderate later.
Weather: Rain and drizzle, with mist or fog patches mainly near the French coast at first, clearing to isolated showers by evening.
Visibility: Moderate or good, occasionally poor, locally very poor at first.
Outlook from 06:00UTC Thursday to 06:00UTC Friday.
Wind: West to southwest 4 to 6, backing south to southwest 6 to gale 8 by midday, perhaps locally severe gale 9 mid-Channel, veering westerly 5 to 7 in the afternoon, backing southerly 4 to 6 by midnight, increasing 6 to gale 8 later.
Sea state: Slight to moderate, increasing moderate to rather rough by midday and rather rough to rough by dusk, decreasing slight to moderate with a low swell in the south overnight.
Weather: Isolated showers, becoming persistent and locally heavy for a time around midday. Rain later.
Visibility: Good, occasionally moderate to poor.
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