A westerly, strong and variable flow prevails over the whole area.
For St Brelades Bay Jersey :
Warning strong breeze offshore.
The reliability of the situation is poor.
For the night from Thursday to Friday SW force 4 becoming WSW force 5 in the middle of the night then SW. Gusts reaching 25 knots in the early part of the night.
Moderate sea. Moderate, fairly long swell from W temporarily low in the middle of the night. Excellent visibility. Daytime of Friday 19 december : The sky will remain changeable.
Skies changeable to very cloudy. Risk of some spots of rain in the morning, showers late in the day. In the evening, clear periods developing.
Light showers. WSW force 5 becoming force 4 in the middle of the day then W force 3. Gusts reaching 25 knots in the morning. Moderate sea. Moderate, fairly long swell from W. Excellent visibility becoming excellent in the evening.