A northeasterly, weak and particularly variable flow prevails over the North and the East of the basin. Over the South-West, it is northwesterly, weak and particularly variable.
For Portobello, Edinburgh :
No gale warning.
For the night from Thursday to Friday NE force 1 in the early part of the night turning NNW. Gusts reaching 10 knots.
Smooth sea. Low, short swell from NE. Poor visibility becoming good at the end of the night. Daytime of Friday 23 may : The unsettled weather will become more unpredictable as showers set in.
Skies changeable becoming very cloudy in the afternoon. Possibility of showers late in the morning, showers in the afternoon. In the evening, cloudy spells, sometimes dense.
Light showers progressively becoming less frequent. N force 1 turning NE force 2 in the middle of the day then becoming force 1. Gusts reaching 13 knots in the evening. Smooth sea. Low, short swell from NE. Good visibility becoming excellent in the middle of the day then good.