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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 Meteorological Department at 10am Friday, 18 January 2019 for the period ending 1pm Sunday.

General Situation

At 6am high, 1021mb, over eastern France expected to move east. Low 992mb, centred 400 miles northwest of Ireland expected to drift southeast and start to fill with associated front moving slowly east through the Channel this afternoon.

Forecast from 1pm Friday to 1pm Saturday.

Wind: South to southeast 5 to 6, occasionally 7 mainly in the north of area, overnight veering south to southwest 4 to 5, veering southwest to west 3 to 4 by midday.

Sea state: Moderate to rather rough, locally rough mid- Channel late afternoon till late evening, decreasing moderate overnight, locally slight after dawn.

Weather: Rain becoming persistent during afternoon and early evening, perhaps heavy, clearing to scattered showers from west later in evening, locally heavy, more frequent after midnight.

Visibility: Moderate to good, occasionally poor in heavier rain or showers.

Swell: 2 to 4 feet becoming 3 to 6 feet, confused mid- Channel with total waves 7 to 9 feet for a time till late evening.

Outlook from 1pm Saturday to 1pm Sunday.

Wind: Southwest to west 3 to 4 locally variable 2, veering northwest to north during late evening and night.

Sea state: Slight to moderate with a low swell.

Weather: Frequent showers, locally heavy, isolated thunder.

Visibility: Moderate to good, occasionally poor in heavy showers.

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