A westerly, very strong and very variable flow prevails over the whole area.
For Shetland, Tresta voe :
Warning moderate gale offshore.
The reliability of the situation is very good.
In the evening, cloud and long sunny periods.
Possibility of showers S wind force 4. Gusts reaching 23 knots in the evening. Rough sea. Moderate, fairly long swell from W. Excellent visibility.