Monster rains, surging seas and storm warnings slam Thailand

TMD warns of heavy rain, flash floods, and overflow risk

Puntid Tantivangphaisal1 hour agoLast Updated: Saturday, June 7, 2025

241 1 minute read

Monster rains, surging seas and storm warnings slam Thailand — Photo courtesy of The Nation

Thailand is bracing for more rain and isolated heavy downpours, with the lower central region — including Bangkok — along with the east and south facing the highest risk, according to the Thai Meteorological Department (TMD)’s latest warning.

The weather office said a moderate monsoon trough is moving south across the north, northeast, and upper central regions into a low-pressure cell over the central South China Sea. At the same time, a strengthening southwest monsoon over the Andaman Sea, Gulf of Thailand, and lower parts of the country will intensify rainfall.

“People in affected areas should watch out for heavy to very heavy rainfall, flash floods, and overflowing waterways, especially near hillsides and low-lying zones,” the department warned. “Farmers should take precautions to protect their crops.”

Monster rains, surging seas and storm warnings slam Thailand | News by Thaiger — Photo courtesy of Travel and Leisure Asia

Rough seas are also on the cards. Waves in the Andaman Sea are expected to swell to 2–3 metres, with surges over 3 metres during thunderstorms. In the Gulf, waves will reach 1–2 metres and climb above 2 metres in storm-hit zones, reported The Nation.

“All vessels should navigate with caution and avoid thunderstorms,” said the department. “Small boats in the Andaman Sea are advised to remain ashore until conditions improve.”

Weather forecast

North: Thunderstorms expected in Chiang Mai, Chiang Rai, Mae Hong Son and more; lows of 23–26°C, highs of 33–37°C.
Northeast: Rain in Nong Khai, Udon Thani, Khon Kaen and others; 24–27°C minimum, up to 36°C maximum.
Central: Heavy showers possible in Kanchanaburi and Samut Sakhon; 24–27°C low, highs hitting 37°C.
East: Heavy downpours in Chanthaburi and Trat; 24–28°C lows, 32–36°C highs, with 2-metre waves at sea.
South (East Coast): Showers in Surat Thani, Songkhla, and Narathiwat; seas rising to 2 metres during storms.
South (West Coast): Heavy rain expected in Phuket, Krabi, and Satun; sea swells up to 3 metres possible.
Bangkok: Prepare for scattered showers and isolated heavy rain; temperatures ranging from 24–27°C at night to 36°C during the day.

Residents are advised to keep an eye on weather alerts and updates.

Puntid Tantivangphaisal

Originally from Hong Kong, Puntid moved to Bangkok in 2020 to pursue further studies in translation. She holds a Bachelor's degree in Comparative Literature from the University of Hong Kong. Puntid spent 8 years living in Manchester, UK. Before joining The Thaiger, Puntid has been a freelance translator for 2 years. In her free time, she enjoys swimming and listening to music, as well as writing short fiction and poetry.