Weather Advisory
Subject: Heavy to Very Heavy Rain in Thailand
(Effect during 23 - 27 May 2025)
No.1 (121/2025)
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The southwest monsoon prevailing over the Andaman Sea, Thailand and the Gulf will strengthen while the monsoon through will lie across the upper country and the upper South during 23 – 26 May. More rains and isolated heavy to very heavy rains are likely in Thailand. People in Thailand should beware of heavy rains and accumulation that may cause flash floods and overflows, especially along the waterways near foothills and lowlands, and should keep healthy due to the variable weather. Farmers should prevent for crops damage.
The strengthening wind forces the waves in the Andaman Sea up to 1-2 meters high and above 2 meters high in thundershowers. All ships in the Andaman Sea should proceed with caution and keep off thundershowers.
This advisory is in effect on 21 May 2025, at 5.00 a.m.
This next issue will be on 21 May 2025, at 5.00 p.m.
(Signed) Sugunyanee Yavinchan
(Miss Sugunyanee Yavinchan)
Director-General
Thai Meteorological Department
Verified copy