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 Monday , 17 August 2026 for the period ending 06:00UTC Wednesday.
General Situation
At 00:00UTC high, 1026mb, Azores, extended a ridge to the British Isles. Low, 998mb, mid-Atlantic, expected 999mb, Rockall by Wednesday, with associated fronts affecting the area at times.
Forecast from 06:00UTC Monday to 06:00UTC Tuesday.
Wind: Northwest 3 to 4, locally 2 at first, backing west by midday, increasing 4 to 5 later.
Sea state: Slight, occasionally smooth at first.
Weather: Isolated light showers or patchy drizzle from late morning until mid-afternoon.
Visibility: Good, locally moderate to poor at times.
Outlook from 06:00UTC Tuesday to 06:00UTC Wednesday.
Wind: West 4 to 5, veering west to northwest overnight.
Sea state: Slight, occasionally moderate mid-Channel.
Weather: Patchy rain or showers from late morning with a risk of mist patches. Rain overnight, perhaps heavy for a time.
Visibility: Good, occasionally moderate, perhaps locally poor at times.
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