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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 the Jersey Met at 09:00UTC Thursday , 28 January 2021 for the period ending 12:00UTC Saturday.

General Situation

At 06:00UTC low, 977mb, west of Rockall, expected 989mb, Dogger, by 12:00UTC Friday, with associated fronts affecting the area. New low, 966mb, expected mid-Atlantic by the same time.

Forecast from 12:00UTC Thursday to 12:00UTC Friday.

Wind: West to southwest 4 to 6, locally 7 mid-Channel later this evening, increasing 5 to 7 overnight, locally gale 8 with gusts to 50kt mainly mid Channel by dawn.

Sea state: Rather rough to rough, occasionally slight to moderate in the southeast with a moderate swell, generally increasing rough to very rough Friday morning.

Weather: Misty with occasional rain and drizzle, becoming persistent and locally heavy this evening, clearing to scattered showers by dawn, dying out Friday morning.

Visibility: Moderate to poor, occasionally good.

Outlook from 12:00UTC Friday to 12:00UTC Saturday.

Wind: Westerly 6 to 7, locally gale 8 with gusts to 50kt at times mid-Channel, decreasing 3 to 5 early evening, backing south to southeast 4 to 6 by midnight, veering south to southwest by dawn.

Sea state: Rough to very rough, decreasing moderate to rather rough Friday evening with a moderate swell.

Weather: Risk of showers, then rain from late evening, locally heavy, clearing for a time Saturday morning.

Visibility: Moderate to good, becoming moderate to poor from late evening, locally good later.

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