Meteorological Department: 31 Provinces to Face Heavy Rain Tomorrow; Bangkok Braces for Afternoon to Evening Showers
Thailand's Meteorological Department warns of heavy rain and thunderstorms across 31 provinces through May 29, with the southwest monsoon intensifying rainfall particularly on the southern and western coasts; Bangkok expects afternoon showe
On May 25, 2569, the Thai Meteorological Department issued a 24-hour weather forecast predicting thunderstorms and heavy rainfall in some areas of southern Thailand due to moderate southwest monsoon winds covering the Andaman Sea, Thailand, and the Gulf of Thailand. Residents are urged to be cautious of heavy rain and water accumulation. Waves in the Andaman Sea and Gulf of Thailand will be moderate, with the upper Andaman Sea experiencing waves around 2 meters high, while the lower Andaman Sea and upper Gulf will see 1-2 meter waves. Areas with thunderstorms may experience waves exceeding 2 meters, and fishermen are advised to navigate carefully and avoid stormy areas. Between May 28-29, rainfall in the southern region will increase with heavy to very heavy precipitation expected, particularly on the western coast, as the southwest monsoon strengthens. Waves in the Andaman Sea will intensify, with the upper region seeing 2-3 meter waves and thunderstorm areas experiencing waves over 3 meters.
Regional forecasts from 18:00 today to 18:00 tomorrow:
Northern Region: 40% chance of thunderstorms, mainly in Mae Hong Son, Chiang Mai, Chiang Rai, Phayao, Nan, Uttaradit, Tak, Phitsanulok, and Phetchabun provinces. Low 24-27°C, high 35-38°C. Southwest winds 10-20 km/h.
Northeastern Region: 20% chance of thunderstorms, primarily in Loei, Nong Khai, Bueng Kan, Chaiyaphum, and Nakhon Ratchasima. Low 25-28°C, high 36-38°C. Southwest winds 10-20 km/h.
Central Region: 30% chance of thunderstorms, mostly affecting Nakhon Sawan, Uthai Thani, Lopburi, Saraburi, Suphan Buri, Kanchanaburi, Ratchaburi, Nakhon Pathom, and Samut Songkhram. Low 25-27°C, high 37-38°C. Southwest winds 10-20 km/h.
Eastern Region: 30% chance of thunderstorms in Rayong, Chanthaburi, and Trat. Low 24-27°C, high 34-38°C. Southwest winds 15-35 km/h. Sea waves 1-2 meters, exceeding 2 meters in thunderstorm areas.
Southern Region (East Coast): 40% chance of thunderstorms with heavy rain in some areas, mainly in Surat Thani and Nakhon Si Thammarat. Low 23-27°C, high 35-37°C. Southwest winds 15-35 km/h. Sea waves approximately 1 meter nearshore, 1-2 meters offshore, exceeding 2 meters in stormy areas.
Southern Region (West Coast): 60% chance of thunderstorms with heavy rain in some areas in Ranong, Phang Nga, and Phuket. Low 23-26°C, high 32-35°C. From Phang Nga northward: southwest winds 20-35 km/h, waves around 2 meters, exceeding 2 meters in thunderstorm areas. From Phuket southward: southwest winds 15-35 km/h, waves 1-2 meters, exceeding 2 meters in stormy areas.
Bangkok and Vicinity: 40% chance of thunderstorms, mainly in the afternoon to evening hours.
