Weather
Advisory
Subject:
Heavy to Very Heavy Rains in Thailand
No.9 (268/2026)
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During
21–25 October 2026, continuous rain with isolated heavy to
very heavy rain is expected over the South while rainfall is forecast to
increase with gusty winds in the lower Northeast, the lower Central region
including Bangkok and vicinity, the East, and the upper South.
People
are advised to closely monitor weather forecasts. Residents in the affected
areas should beware of gusty wind and heavy to very heavy rains and accumulated
rainfall that may cause flash floods, overflows and landslides especially along
the waterways near foothills and lowlands.
Due
to the monsoon trough lies across the middle South while the southwest monsoon prevails
over the lower Andaman Sea. Meanwhile another high-pressure system from China
will extend to cover the upper North, the upper Northeast and the South China
Sea, leading to the easterly wind prevails over Thailand and the Gulf.
The
winds force the wave in the Andaman Sea and the Gulf up to above 3 meters high
in thundershowers. All ships should proceed with caution and keep off
thundershowers.
The advisory is in effect on 21 October
2026, at 05.00 a.m.
This next issue will be on 21 October 2026, at 05.00 p.m.
(Signed)
Nattawut
Dandee
(Mr. Nattawut Dandee)
Deputy Director-General
Acting Director-General, Thai Meteorological Department