The forecast through February 2026 expects deficits in Central and Eastern Europe, Central Asia, and the Levant. Surpluses are expected in the western Amazon, the Sahel and southern Africa, and northeastern Australia.
Severe to exceptional surpluses will remain throughout Queensland. Exceptional deficits will occur in portions of Victoria, Western Australia, Tasmania, and New Zealand.
Exceptional deficits will occur in northwestern and southeastern China, widespread throughout the Yangtze River Basin. Isolated pockets of surplus will affect portions of central and northeastern China.
Exceptional surpluses throughout Maritime Southeast Asia will mostly diminish, though pockets of severe to exceptional deficits will persist in portions of the Philippines, Indonesia, Papua, West Papua, and New Guinea.
Water deficits are forecast to become less severe from September through November in southern Turkey, the Levant, northern Saudi Arabia, and eastern Oman. However, the extent and severity of deficits will increase in southern Iraq, Iran, Qatar, and Yemen. The progression of water anomalies forecast in the Middle East indicates that widespread water deficits will persist through May, diminishing after October before becoming more severe again from March on.
South America is forecast to transition away from widespread exceptional water deficits in December. However, from September through November exceptional deficits are forecast across northern Brazil along with moderate deficits reaching southward to Rio de Janeiro. Severe to exceptional deficits are forecast near Caracas, Venezuela; western Bolivia; Chile; rivers in southern Argentina; and the Falkland Islands. Surpluses are forecast in eastern Paraguay, and Paraná and Santa Catarina, Brazil. Overall, water deficit conditions will continue to diminish in extent and severity from December through May.
Water surpluses in the Yangtze Basin are forecast to diminish in extent from September through November, while to the south surpluses in the Pearl River basin will increase. Water deficits are expected to increase from the Shandong Peninsula westward to the Tibetan Plateau, and deficits are also forecast for Shanghai. Elsewhere in the region deficits are forecast in Taiwan and South Korea during this period; surpluses are forecast for Hokkaido, Japan. From December through February surpluses along the Yellow, Yangtze, and Pearl Rivers will moderate.
Water surpluses are forecast to continue to emerge through May in India from southern Rajasthan along the Chambal River and its tributaries, eastward to the Yamuna River, to the Ganges River, and into Bangladesh. Surpluses are also forecast for Myanmar’s western coast through November and in Bangladesh through May. Deficits in southern India are forecast to become less severe after November, but deficits will emerge in Assam and surrounding states in the northeast. Deficits will persist in Gujarat through May becoming more severe from December on.
Regions likely to encounter significant water deficits in the coming months include: Ohio, Pennsylvania, the Missouri and Yellowstone Rivers, southern Mexico, Chile, Central and Eastern Europe, North Africa, Zambia, Saudi Arabia, Yemen, Siberia, Gujarat, Cambodia, South Korea, and Tasmania. Water surpluses are forecast for: Minnesota, Wisconsin, Louisiana; Paraguay; European Russia and the Volga Basin; the Chambal, Yamuna, and Ganges Rivers in India; Bangladesh; western Myanmar; Laos; and the Yellow, Yangtze, and Pearl Rivers in China. This watch list is based on ISciences' Water Security Indicator Model (WSIM) Global Water Monitor and Forecast issued 8 September 2016.
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