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 Thursday , 27 March 2025 for the period ending 06:00UTC Saturday.

General Situation

At 00:00UTC high 1025mb, drifting southeast and declining. Low 994mb, south of Iceland, expected 980mb, Fair Isle by Saturday, with associated front affecting the area Friday morning.

Forecast from 06:00UTC Thursday to 06:00UTC Friday.

Wind: East to northeast 2 to 3, becoming variable 1 to 3 for a time, then northwest 2 to 4 this afternoon, backing southwest 3 to 4 overnight, locally 5 mid-Channel later.

Sea state: Smooth or slight, with a low swell, increasing slight to moderate later.

Weather: Occasional mist with fog banks, clearing overnight, rain spreading into the far northwest by dawn.

Visibility: Moderate to good, occasionally poor or very poor.

Outlook from 06:00UTC Friday to 06:00UTC Saturday.

Wind: Southwest 4 to 5, perhaps locally 6, veering northwest by midday, occasionally 6 in the afternoon and evening, decreasing 3 to 4 later.

Sea state: Slight to moderate, becoming moderate to rather rough by evening, decreasing slight to moderate by dawn with a low swell.

Weather: Rain spreading southeast, clearing by midday. Isolated showers developing overnight.

Visibility: Moderate to good, perhaps locally poor at first.

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