For Sumatra SE tips :
No gale warning.
The reliability of the situation is good.
Good clear periods but with plenty of cloud in the morning, cloud and sun in the afternoon. Risk of some spots of rain in the morning, no precipitation in the afternoon. In the evening, skies with few clouds covering over progressively.
No precipitation. SE wind force 3 continuing all day. Gusts reaching 13 knots in the middle of the day. Moderate sea. Moderate, fairly long swell from SSW. Good visibility becoming excellent in the middle of the day then poor.