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 21:00UTC Thursday , 18 September 2025 for the period ending 00:00UTC Sunday.
General Situation
At 18:00UTC low, 984mb, just west of Rockall, expected 994mb, Scandinavia by midday Saturday. New low expected 1005mb, Sole by the same time, with associated fronts affecting the area.
Forecast from 00:00UTC Friday to 00:00UTC Saturday.
Wind: South to southeast 3 to 4, locally variable 1 to 2, veering west to northwest 2 to 4 by midday, becoming variable 2 to 3 for a time in the afternoon and evening.
Sea state: Smooth or slight with a low swell.
Weather: Risk of mist patches until midday, mainly near the French coast and in the north of the area. Isolated showers developing from mid-afternoon, perhaps thundery.
Visibility: Good, perhaps locally moderate or poor.
Outlook from 00:00UTC Saturday to 00:00UTC Sunday.
Wind: West 2 to 4, backing south to southwest 3 to 4 by dawn, increasing 4 to 6 by midday, veering southwest to west 6 to 7 in the afternoon, perhaps occasionally gale 8 mid-Channel later.
Sea state: Smooth or slight with a low swell, increasing moderate by midday, further increasing rather rough to rough, by evening, increasing very rough mid-Channel for a time.
Weather: Isolated showers, perhaps locally thundery at first.
Visibility: Good, locally moderate at times.
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