Plankton Bloom Affects Beaches in Cha-am and Hua Hin

According to a report by Khaosod Online, marine science expert Dr. Thon Thamrongnawasawat has identified a severe plankton bloom affecting the coastal waters of Cha-am and Hua Hin. Following recent major flooding, satellite imagery and oceanographic data confirmed that the phenomenon has reached the shoreline, resulting in visible water discoloration—described as green and brown—and an unpleasant odor.

Dr. Thon, a professor at Kasetsart University, emphasized that this is an urgent environmental issue. He noted that the frequency of plankton blooms in the inner Gulf of Thailand has tripled compared to historical levels. He warned that if left unaddressed, the ongoing degradation could negatively impact the region's tourism industry, as visitors may be deterred by the water quality and smell.

While the visual impact is clear, the specific species of plankton responsible for the bloom are currently awaiting confirmation through laboratory sampling. Dr. Thon stressed that the environmental consequences of the recent floods extend beyond the initial inundation, urging immediate attention to the health of the marine ecosystem to prevent further deterioration of the Gulf. Residents and travelers are advised that the water conditions may currently be unsuitable for swimming or recreational activities in affected areas.