ONWR Reports Declining Northern Water Levels as Thailand Prepares for Mid-October Rainfall
The Office of the National Water Resources (ONWR) reports a decrease in northern water inflows and is accelerating drainage efforts ahead of expected rainfall between October 11 and 13.
According to a report from Matichon Online on October 2, 2026, the Office of the National Water Resources (ONWR) has observed a downward trend in water levels flowing from the northern regions. In response, authorities are actively accelerating the drainage of water through all major channels toward the Gulf of Thailand to manage current capacity.
This development is significant for residents and travelers, as it suggests a proactive effort to mitigate potential flooding risks in low-lying areas. However, the situation remains dynamic. The ONWR has issued a cautionary notice regarding a new weather system expected to bring additional rainfall to the country between October 11 and 13.
For those currently in Thailand or planning travel during this period, it is advisable to monitor local weather forecasts and official announcements from the Thai Meteorological Department. While current drainage efforts are intended to stabilize water levels, the impact of the upcoming mid-October rains on specific regions remains to be confirmed. Travelers should stay informed about local conditions, particularly if visiting areas prone to seasonal water accumulation. The ONWR continues to monitor the situation closely to ensure effective water management across the nation.