The high-pressure system from China extend to upper Thailand and the South China Sea leading to the easterly wind prevails over the Gulf, Thailand and the Andaman Sea. Variable weather are possible following with thundershowers, gust, hail and isolated heavy rains over upper Thailand. People should beware of heavy rains and severe condition by keeping off outdoor places, big trees and unsecured billboards. In the Andaman Sea and the Gulf, the waves will be higher than 2 meters high in thundershower areas.