Weather Advisory
Subject: Cool to cold in
Thailand
Heavy Rain in the South and
Strong wind-waves in the Gulf
(Effect until 23 November 2025)
No.10 (349/2025)
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During 19-20 November 2025, another strong
high-pressure system from China extend to upper South and the South China Sea.
Cool to cold and a decrease in temperature with strong winds are forecast in
the upper country. A decrease in temperature by 3-5 °C are forecast in the
Northeast while a decrease in temperature by 2-4 °C are forecast in the North, the
Central including Bangkok and its vicinity and the East regions. Cold to very
cold on the mountain top. People in upper the country should beware of variable
weather, keep healthy due to changeable weather and beware of fire due to dry
air and strong wind. Farmers should prevent for crop damage.
The rather strong
northeast monsoon will prevail over the Gulf, the South and the Andaman Sea while low pressure cover the lower Gulf and the lower South with
scattered heavy rains and isolated very heavy rains in the South during 19-23 November 2025. The rather
strong wind forces the waves in the Gulf up to be 2-3 meters high and above 3
meters high in thundershowers while the waves in the upper Andaman Sea are
likely about 2 meters high, 2–3 meters high offshore and above 3 meters high in
thundershowers. People in the South should beware of heavy to very heavy rains
and accumulations that may cause flash flood and overflows, especially along
the waterways near foothills and lowlands. People along the Gulf shore should
beware of inshore surges. All ships should proceed with
caution and keep off thundershowers, small boats in the Gulf and the Andaman
Sea offshore keep ashore during 19-23
November 2025.
This advisory is in effect on 19 November
2025, at 5.00 p.m.
This next issue will be on 20 November 2025, at 5.00 a.m.
(Signed) Sugunyanee Yavinchan
(Miss Sugunyanee
Yavinchan)
Director-General
Thai Meteorological
Department