For Mentawai islands :
No gale warning.
The reliability of the situation is very good.
Cloud and long sunny periods. Chance of light rain. In the evening, clear periods developing.
No precipitation. SE force 2 in the middle of the day turning SSW force 1 in the evening. Gusts reaching 6 knots in the middle of the day. Slight sea. Low, fairly long swell from SSW. Excellent visibility becoming good in the evening.