Weather
Advisory
Subject:
Strong Wind-Waves in the Andaman Sea and the Upper Gulf
Heavy
to Very Heavy Rain in the Central, the East and the South
West Coast
No.9
(125/2026)
----------------------------
During 12–15
July 2026,
the strong southwest monsoon prevails over the Andaman Sea, Thailand and the
Gulf of Thailand. The strengthening wind force the waves in the upper Andaman
Sea up to 2–4 meters and above 4 meters high in thundershowers. In the upper
Gulf and the lower Andaman Sea, the wave are likely 2-3 meters and above 3
meters high in thundershowers. All ships in the Andaman Sea and the Gulf should
proceed with caution and keep off thundershowers, small boats should keep
ashore.
During 12–14
July 2026,
isolated heavy to very heavy rains are likely in the South (west coast), the western part of the Central and the
East. People in these areas should beware of heavy to very heavy rain and
accumulation that may cause flash floods, overflows and landslides especially
along the waterways near foothills and lowlands.
In addition, tropical
storm “BAVI” over Zhejiang, China is expected to downgrade to tropical
depression and active
low-pressure cell, respectively. This storm will not move to Thailand and no
direct effect on Thailand’s weather but induced the strengthening southwest
monsoon prevails over Thailand. The travelers should check the weather forecast
for the region you're going to be visiting.
The advisory is in effect on 12
July 2026, at 5.00 p.m.
This next issue will be on 13 July 2026, at 5.00 a.m.
(Signed) Sugunyanee Yavinchan
(Miss Sugunyanee Yavinchan)
Director-General
Thai Meteorological Department