An easterly, strong and very variable flow prevails over the North of the basin. Over the South, it is southwesterly, very strong and very variable.
For Coll Sands, Lewis :
Warning strong breeze offshore.
The reliability of the situation is very good.
Good clear periods but cloud building. Showers towards the end of the night. In the evening, very cloudy skies becoming totally overcast.
Possibility of showers WSW force 5 in the middle of the day becoming SW force 4 in the evening. Gusts reaching 25 knots in the middle of the day. Smooth to slight sea becoming smooth in the evening. Low, short swell from S. Good visibility becoming excellent in the evening.