For Plage de Grand-Bourg :
No gale warning.
The reliability of the situation is very good.
Cloud and sun in the morning, skies clearing but storms likely in the afternoon. Risk of showers in the morning, light showers dying away progressively in the afternoon. In the evening, cloud and long sunny periods.
Heavy showers in the early hours. ESE force 2 in the morning turning NE in the evening. Gusts reaching 16 knots in the middle of the day. Smooth to slight sea becoming smooth in the middle of the day. from N. Visibility reduced by mist becoming good in the middle of the day then reduced by mist.