A northeasterly, moderate and mostly variable flow prevails over the North-East of the basin. Over the West, a southeasterly gale is raging at sea. Over the South-East, a northwesterly, very strong and variable flow prevails at sea.
For Coll Sands, Lewis :
Warning moderate gale offshore.
The reliability of the situation is very good.
Low cloud developing into fog during the morning, sunny, progressively clouding over in the afternoon. Sleet showers in the morning, no precipitation in the afternoon. In the evening, overcast skies.
Drizzle intensifying and turning to rain. WNW force 2 freshening S force 4 in the middle of the day then SSE force 5. Gusts reaching 30 knots in the evening. Smooth sea becoming smooth to slight in the middle of the day then slight. Low, short swell from SE. Visibility reduced by fog becoming poor in the middle of the day then excellent.