For Bintan :
No gale warning.
The reliability of the situation is good.
Skies very cloudy, risk of some thundery outbreaks. Showers will gradually become less frequent during the afternoon. In the evening, changeable skies with risk of storms.
Possibility of showers NNE force 3 in the morning weakening NNW force 1 in the evening. Smooth sea becoming rippled in the evening. Low, short swell from SE. Excellent visibility becoming excellent in the middle of the day then good.