7 day Weather Forecast
Weather Forecast
Weather Outlook During 25 September ? 1 October 2023
During 26 ? 29 Sep, the active low-pressure cell is expected to move pass Thailand along the monsoon trough. The strengthen southwest monsoon prevails across the Andaman Sea, the South and the Gulf. More rainfall are likely in the whole country with heavy rains to isolated very heavy rains are possible in the North, the Northeast, the Central including Bangkok and its vicinity, the East and the South. The wind and wave in the upper Andaman Sea are 2 - 3 meters high and above 3 meters in thundershowers while the wave in the lower Andaman Sea and upper Gulf has about 2 meter high and above 2 meters high in thundershowers. During 30 Sep ? 1 Oct, the monsoon trough will lies across the North and the upper Northeast. Meanwhile the southwest monsoon which prevails across the Andaman Sea the South and the Gulf will weaken. Thundershowers are decrease in the country but heavy rains are possible in some area. The wind and wave in the upper Andaman Sea are 1 - 2 meters high and above 2 meters in thundershowers while the wave in the lower Andaman Sea and Gulf are about 1 meter high and 1 - 2 meters high in thundershowers. In addition, the tropical depression over the middle coast of Vietnam is expected to make landfall over Quang Ngai, Vietnam by tonight (25 Sep 2023). It is forecast to downgrade to an active low-pressure cell, then will move pass the monsoon trough that lies across upper Thailand during 26 ? 29 Sep 2023. Scattered heavy rains to isolated very heavy rains are likely in the North, the Northeast, the Central including Bangkok and its vicinity, the East and the South regions.
Caution
During 25 ? 29 Sep, People should beware of gusty winds and heavy to very heavy rains that may cause flash floods and overflows, especially along foothills near waterways and lowlands. All ships should proceed with caution and keep off thundershowers. Small boats in the upper Andaman Sea keep ashore during 26 - 29 Sep.
Announcement Date 25 September 2023 05:00 AM
Regional Weather Forecast
Weather Outlook During 25 September ? 1 October 2023
Northern
During 25 - 26 Sep and 30 Sep ? 1 Oct, scattered thundershowers mostly in the lower part. Variable winds 5 - 15 km/hr. During 27 - 29 Sep, scattered to fairly widespread thundershowers and isolated heavy rains and Isolated very heavy rains during 27 - 28 Sep, Variable winds 10 - 20 km/hr. Minimum temperature 22 ? 26 C. Maximum temperature 31 ? 37 C.
Northeastern
During 26 - 29 Sep, fairly widespread thundershowers and isolated heavy rains. Isolated very heavy rains during 26 ? 27 Sep, Variable winds 15 - 30 km/hr. During 30 Sep ? 1 Oct, scattered thundershowers mostly in the lower part. Variable winds 10 - 20 km/hr. Minimum temperature 23 ? 27 C. Maximum temperature 29 ? 36 C.
Central
During 25 - 26 Sep and 30 Sep ? 1 Oct, scattered thundershowers and isolated heavy rains mostly in the lower part. During 27 - 29 Sep, fairly widespread thundershowers and isolated heavy to very heavy rains. Variable winds 15 - 30 km/hr. Minimum temperature 23 ? 27 C. Maximum temperature 30 ? 37 C.
Eastern
During 26 - 29 Sep, fairly widespread thundershowers and isolated heavy to very heavy rains. Variable winds 20 - 35 km/hr. Wave height about 2 meters and above 2 meters in thundershowers. During 30 Sep ? 1 Oct, scatteres thundershowers and isolated heavy rains. Southwesterly winds 15 - 30 km/hr. Wave height about 1 meter and 1 - 2 meters in thundershowers. Minimum temperature 23 ? 27 C. Maximum temperature 28 ? 35 C.
Southern (East Coast)
During 26 ? 29 Sep, scattered to fairly widespread thundershowers and isolated heavy rains. Surat Thani upward: southwesterly winds 20 - 35 km/hr. Wave height about 2 meters and above 2 meters in thundershowers. Nakhon Si Thammarat downward: southwesterly winds 15 - 35 km/hr. Wave height 1 - 2 meters and above 2 meters in thundershowers. During 30 Sep ? 1 Oct, Isolated to scattered thundershowers and isolated heavy rains. Southwesterly winds 15 - 30 km/hr. Wave height about 1 meter and 1 - 2 meters in thundershowers. Minimum temperature 22 ? 26 C. Maximum temperature 28 ? 36 C.
Southern (West Coast)
During 26 - 29 Sep, fairly widespread thundershowers and isolated heavy to very heavy rains. Phuket upward: southwesterly winds 20 - 40 km/hr. Wave height 2 - 3 meters and above 3 meters in thundershowers. Krabi downward: southwesterly winds 20 - 35 km/hr. Wave height about 2 meters and above 2 meters in thundershowers. During 30 Sep ? Oct, scattered thundershowers and isolated heavy rains. Phangnga upward: southwesterly winds 15 - 35 km/hr. Wave height 1 - 2 meters and above 2 meters in thundershowers. Phuket downward: southwesterly winds 15 - 30 km/hr. Wave height about 1 meter and 1 - 2 meters in thundershowers. Minimum temperature 23 ? 26 C. Maximum temperature 27 ? 33 C.
Bangkok Metropolitan
During 25 - 26 Sep and 30 Sep ? 1 Oct, scattered to fairly widespread thundershowers and isolated heavy rains. Variable winds 10 - 20 km/hr. During 27 - 29 Sep, fairly widespread thundershowers and isolated heavy rains. Isolated very heavy rains during 27 ? 28 Sep, Variable winds 15 - 30 km/hr. Minimum temperature 24 ? 28 C. Maximum temperature 31 ? 36 C.
Announcement Date 25 September 2023 05:00 AM
Source: Thai Meteorological Department