Cool to cold in Thailand
Heavy Rain in the South and
Strong wind-waves in the Gulf
(Effect during 17-23 November
2025)
No.1 (340/2025)
During 17-23
Nov 2025, another strong high-pressure system
from China extend to the upper Thailand and the South China Sea with
thundershower with gust in the first period. After that decrease in temperature
and strong winds. A decrease in temperature by 4 – 7 °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. People
in upper the country should beware severe condition and keep healthy due to
change condition the weather with cooler and beware of fire due to strong winds
and dry air. Farmers should prevent for crop damage.
The
strengthening northeast monsoon will prevail over the Gulf and the South while
the easterly wave will move over the South with more rains and isolated heavy
to very heavy rains in the South. The waves in the Gulf up to 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 offshore and above 3 meters
high in thundershowers. People along the South (east coast) should beware of
severe condition and accumulated rain that may cause flash flood and overflows,
especially along the waterways near foothills and lowlands including should
beware of inshore surges. All ships should proceed with caution and keep off
thundershowers. Small boats in the Gulf should keep ashore during 19-23 Nov
2025.
This advisory is in effect on 15 November 2025, at 5.00
a.m.
This next issue will be on 15 November 2025, at 5.00 p.m.
(Signed) Sugunyanee Yavinchan
(Miss Sugunyanee
Yavinchan)
Director-General
Thai Meteorological
Department