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 4am Sunday, 18 March 2018 for the period ending 7am Tuesday.
At midnight, high pressure 1034mb over Scandinavia expected to drift west. Low pressure over 992mb slow moving near Corsica. A cold front over the Channel expected to remain slow moving.
Forecast from 7am Sunday to 7am Monday.
Wind: Easterly 2 to 4, locally 5 to 7 north of Alderney, becoming locally variable 1 to 3 south of Jersey this morning, becoming generally east 4 to 6 by midnight, backing east to northeast by morning, locally 7 north of Guernsey, perhaps occasionally gale 8.
Sea state: Slight to moderate in the south, rather rough to rough in the north.
Weather: Outbreaks of rain, sleet or snow, persistent at times.
Visibility: Moderate to poor, locally good, perhaps very poor in snow.
Swell: 2 to 5 feet decreasing. Confused in the north with total waves 8 to 11 feet.
Outlook from 7am Monday to 7am Tuesday.
Wind: Northeasterly 5 in the south to 7 in the north, perhaps occasionally gale 8 in the north in the morning, then generally 6 to 7 in the evening, decreasing 4 to 6 overnight.
Sea state: Slight to moderate in the south and east, rather rough to rough to the north and west.
Weather: Occasional rain, sleet or snow, clearing by evening.
Visibility: Moderate to poor, occasionally very poor in snow, becoming good during the afternoon.
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