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.6 (345/2025)
During 17-23
November 2025, another strong high-pressure system from China will extend
to upper Thailand and the South China Sea with variable weather and more rains
in the Northeast, the East, the Central including Bangkok and its vicinity and
the North for the first the period, respectively after that a decrease in temperature, morning cool to cold and strong
winds in the upper country during 19 – 20 November 2025. A decrease in
temperature by 5–7 °C are forecast in the Northeast and 4-6 °C are
forecast in the North while a decrease in temperature by 2–5 °C are forecast in
the Central including Bangkok and its vicinity and the East regions. 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 strengthening northeast monsoon will prevail over the
Gulf, the
South and the Andaman Sea while the easterly wave will
move pass the South with more rains and isolated heavy to very heavy rains in
the South during 18 – 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
offshore 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 17 November 2025, at 5.00
p.m.
This next issue will be on 18 November 2025,
at 5.00 a.m.
(Signed) Sugunyanee Yavinchan
(Miss Sugunyanee
Yavinchan)
Director-General
Thai Meteorological
Department