Für Sumatra SE tips :
No gale warning.
The reliability of the situation is very good.
Changeable skies with risk of storms. Light showers progressively becoming less frequent. In the evening, changeable skies with risk of storms.
Possibility of showers SW wind force 2 from the middle of the day. Gusts reaching 10 knots in the middle of the day. Moderate sea. Moderate, fairly long swell from SSW. Good visibility becoming poor in the evening.