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 Sunday , 31 May 2026 for the period ending 00:00UTC Wednesday.
General Situation
At 18:00UTC high, 1027mb, near the Azores, extended a ridge to Biscay, expected to decline slowly southward. Low, 1001mb, 500 miles west of Ireland, expected 999mb over Aberdeen by midday Tuesday, with associated fronts affecting the area at times.
Forecast from 00:00UTC Monday to 00:00UTC Tuesday.
Wind: West 2 to 3 locally 4, backing southwest by dawn, then southerly by midday, locally variable 1 to 2 in the afternoon, increasing 4 to 5 in the evening.
Sea state: Smooth to slight with a low swell, increasing moderate mid-Channel towards midnight.
Weather: Risk of mist patches in the north around dawn. Patchy rain in the north and west from late afternoon, becoming widespread and locally heavy in the evening.
Visibility: Good, locally moderate to poor at times.
Outlook from 00:00UTC Tuesday to 00:00UTC Wednesday.
Wind: South to southwest 4 to 5, veering west by dawn, increasing 5 to 6 for a time late morning to early evening.
Sea state: Slight to moderate, increasing moderate to rather rough by midday, locally rough in the north and west in the afternoon and evening.
Weather: Showers, locally heavy at times, dying out late afternoon.
Visibility: Good, locally moderate or perhaps poor at times.
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