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Meteorological Bulletin No. 5 Warns of Heavy Rain and Possible Hail from 9-13 Oct Check Affected Areas with Over 2-Meter Waves in Andaman Sea and Gulf of Thailand

Local09 Oct 2026 07:18 GMT+7

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Meteorological Bulletin No. 5 Warns of Heavy Rain and Possible Hail from 9-13 Oct Check Affected Areas with Over 2-Meter Waves in Andaman Sea and Gulf of Thailand

Meteorological Bulletin No. 5 warns of heavy rain and possible hail between 9-13 October. It advises checking affected areas, with waves exceeding 2 meters in the Andaman Sea and Gulf of Thailand. Today (9 Oct), Bangkok and vicinity have a 30% chance of rain. Tags: weather warning, heavy rain, hail, Andaman Sea, Gulf of Thailand, Bangkok, storms

At 05:00 on 9 Oct 2026, the Meteorological Department issued Bulletin No. 5 on heavy to very heavy rain across Thailand, effective 9-13 October 2026. During this period, Thailand will experience unstable weather characterized by thunderstorms, gusty winds, hail, and heavy to very heavy rainfall in some areas, affecting different regions as follows.Tags: Meteorological Department, weather forecast, heavy rain, thunderstorms, hail

  • On 9 Oct 2026: Eastern parts of the Northeast region, the East, and the South.Tags: regional weather, Northeast, East, South, 9 October
  • On 10 Oct 2026: Lower Northern region, lower Northeastern region, Central region including Bangkok and vicinity, the East, and the South.Tags: regional weather, Northern Thailand, Northeastern Thailand, Central Thailand, Bangkok, 10 October
  • On 11 Oct 2026: Lower Northern region, Central region including Bangkok and vicinity, the East, and the South.Tags: regional weather, Northern Thailand, Central Thailand, Bangkok, 11 October
  • On 12 Oct 2026: The South.Tags: regional weather, South Thailand, 12 October
  • On 13 Oct 2026: The South.Tags: regional weather, South Thailand, 13 October

This is due to a cold high-pressure air mass from China spreading over upper Thailand near the end of the rainy season, combined with a monsoon trough passing through the upper South, while the southwest monsoon continues to cover the Andaman Sea, the South, and the Gulf of Thailand.Tags: cold air mass, China, monsoon trough, southwest monsoon, seasonal weather

The public is advised to be cautious of dangers from thunderstorms, gusty winds, heavy to very heavy rain, and accumulated rainfall that could cause flash floods and forest runoff, especially in hilly areas near waterways and low-lying zones, which may experience waterlogging. People should avoid staying in open spaces, under large trees, and near unstable billboards during storms.Tags: public safety, flash floods, forest runoff, storm precautions

In the Andaman Sea and Gulf of Thailand, waves exceed 2 meters in areas with thunderstorms. Fishermen in these areas should check routes and navigate with caution, avoiding travel in stormy areas.Tags: maritime warning, Andaman Sea, Gulf of Thailand, waves, fishing safety


Weather forecast for Thailand from 06:00 today until 06:00 tomorrow.Tags: weather forecast, Thailand, 24-hour forecast

Northern regionTags: Northern Thailand, weather There is a 10% chance of thunderstorms, mainly in Mae Hong Son, Chiang Mai, and Tak provinces. Lowest temperatures range 20-24°C, highest 32-35°C. Easterly winds at 10-20 km/h.Tags: Northern Thailand, temperature, thunderstorms, wind

Northeastern regionTags: Northeastern Thailand, weather There is a 10% chance of thunderstorms and heavy rain in some areas, including Bueng Kan, Nakhon Phanom, Amnat Charoen, Surin, Sisaket, and Ubon Ratchathani provinces. Lowest temperatures 21-23°C, highest 32-33°C. Easterly winds 10-25 km/h.Tags: Northeastern Thailand, heavy rain, thunderstorms, temperature

Central regionTags: Central Thailand, weather There is a 20% chance of thunderstorms, mostly in Uthai Thani, Kanchanaburi, Ratchaburi, Nakhon Pathom, Samut Sakhon, and Samut Songkhram provinces. Lowest temperatures 23-26°C, highest 33-36°C. Easterly winds 10-20 km/h.Tags: Central Thailand, thunderstorms, temperature, wind

Eastern regionTags: Eastern Thailand, weather There is a 20% chance of thunderstorms and heavy rain in some areas, including Chanthaburi and Trat provinces. Lowest temperatures 23-26°C, highest 32-35°C. Northeast winds 10-30 km/h. Seas have waves below 1 meter, but over 2 meters in thunderstorm areas.Tags: Eastern Thailand, heavy rain, sea conditions, temperature

Southern region (East coast)Tags: Southern Thailand, East coast, weather There is a 60% chance of thunderstorms and heavy rain in some areas, including Phetchaburi, Prachuap Khiri Khan, Surat Thani, Nakhon Si Thammarat, Phatthalung, Songkhla, Yala, and Narathiwat provinces. Lowest temperatures 23-25°C, highest 33-35°C. Variable winds 10-30 km/h. Seas have waves below 1 meter, but over 2 meters in thunderstorm areas.Tags: Southern Thailand, heavy rain, thunderstorms, sea conditions

Southern region (West coast)Tags: Southern Thailand, West coast, weather There is a 40% chance of thunderstorms, mostly in Phuket, Trang, and Satun provinces. Lowest temperatures 24-25°C, highest 32-35°C. Northwest winds 15-30 km/h. Seas have waves about 1 meter, but over 2 meters in thunderstorm areas.Tags: Southern Thailand, thunderstorms, sea conditions, temperature

Bangkok and vicinityTags: Bangkok, metropolitan area, weather There is a 30% chance of thunderstorms. Lowest temperatures 25-27°C, highest 34-35°C. Northeast winds 10-20 km/h.Tags: Bangkok, thunderstorms, temperature, wind