A northwesterly and variable flow prevails over the North and the East of the basin. Over the South-West, it is easterly, weak and particularly variable.
For Port st clair :
Warning strong breeze offshore.
For the night from Thursday to Friday NW wind force 3 continuing all night. Gusts reaching 16 knots in the early part of the night.
Smooth to slight sea. Low, short swell from SE. Excellent visibility. Daytime of Friday 21 august : The unstable weather will die away during the day.
Good clear periods alternating with cloudy spells, rather dense in the morning. Some light showers in the morning, no precipitation in the afternoon. In the evening, lots of good clear periods.
No precipitation. NW wind force 3 continuing all day. Gusts reaching 15 knots. Smooth to slight sea. Low, short swell from SSE. Excellent visibility.