For Bintan :
No gale warning.
The reliability of the situation is good.
Overcast skies with storms likely in the morning, very cloudy with possibility of thunder storms in the afternoon. Some light showers in the morning, possibility of showers in the afternoon. In the evening, very cloudy.
Possibility of showers SSW force 3 in the morning turning SSE force 2 in the evening. Gusts reaching 13 knots in the morning. Smooth sea. Low, short swell from SSE. Poor visibility becoming excellent in the middle of the day then good.