For Port st clair :
No gale warning.
For the night from Friday to Saturday NW force 1 in the early part of the night turning N force 2. Gusts reaching 10 knots in the early part of the night.
Smooth sea becoming smooth to slight at the end of the night. Low from N temporarily from SSW in the middle of the night. Excellent visibility. Daytime of Saturday 22 august : The weather will become more uncertain during the day.
Sunny becoming changeable in the afternoon. The risk of seeing rain will remain low. In the evening, cloudy spells, sometimes dense.
Possibility of showers NNW force 2 turning SSE in the middle of the day then SW. Gusts reaching 10 knots in the evening. Smooth to slight sea becoming smooth in the middle of the day. Low from N. Excellent visibility.