Issued by the Jersey Meteorological Department at 4am Tuesday, 21 November 2017 for the period ending 7am Thursday.
- At the time of issue there was a Strong Wind Warning in force for the Channel Islands Area.
At midnight high, 1026mb, over southern Europe, expected to decline. Low, 996mb, 400 miles west of Ireland expected to move northeast and deepen.
Forecast from 7am Tuesday to 7am Wednesday.
Forecast: Perhaps a little light rain or drizzle this morning.
Wind: Southwest 4 to 5, locally 6 in the north of the area, increasing 5 to 6 early evening, occasionally 7 mid- Channel, backing southerly around dawn on Wednesday.
Visbility: Good, perhaps occasionally moderate to poor in any rain or drizzle.
Sea State: Slight to moderate, locally rather rough in the north, increasing moderate to rather rough this evening, perhaps locally rough mid-Channel.
Sea Swell: 2 to 4 feet increasing 4 to 6 feet overnight.
Outlook from 7am Wednesday to 7am Thursday.
Forecast: Risk of mist patches drifting from the Brittany coast early morning. Rain spreading in from the west by evening, locally heavy with a risk of thunder.
Wind: Southerly 5 to 6, occasionally 7 in the north of the area, increasing 6 to 7 during the morning, then 7 to gale 8 by evening, veering southwest 6 to 7 around dawn on Thursday.
Visbility: Moderate to good, occasionally moderate to poor in rain or any mist.
Sea State: Moderate to rather rough with a low swell, locally rough in the north, increasing rather rough to rough in the afternoon.