*Water Watch Lists
ISciences staff
ISciences Worldwide Water Watch List June 2025

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.

ISciences Worldwide Water Watch List June 2025
Australia & New Zealand
ISciences staff
Australia & New Zealand: Surpluses spread ...

Severe to exceptional surpluses will remain throughout Queensland. Exceptional deficits will occur in portions of Victoria, Western Australia, Tasmania, and New Zealand. 

Australia & New Zealand: Surpluses spread throughout Queensland
East Asia
ISciences staff
East Asia: Deficits continue in NW China, ...

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. 

East Asia: Deficits continue in NW China, Yangtze River Basin
Southeast Asia & Pacific
ISciences staff
Southeast Asia and the Pacific: Deficits ...

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. 

Southeast Asia and the Pacific: Deficits persist in Maritime SE Asia
South Asia
ISciences staff
South Asia: Deficits remain in Afghanistan, ...

Exceptional surpluses in India will mostly dissipate, transitioning to moderate to severe surpluses. Exceptional deficits will remain in Afghanistan and Pakistan. 

South Asia: Deficits remain in Afghanistan, Pakistan, surpluses persist in India

South America: Water deficits forecast to diminish in eastern Brazil

South America: Water deficits forecast to diminish in eastern Brazil

Exceptional water deficits are forecast to diminish considerably in the coming months, but pockets are forecast through April in southern Venezuela, Amapá (Brazil), western Brazil, western Ecuador, and around the Gulf of Corcovado in southern Chile. Deficits are also forecast in southern Colombia, northern Peru, Uruguay, Rio Grande do Sul (Brazil), and northeastern Argentina. Surplus is forecast in northeastern Venezuela, scattered throughout eastern Brazil, northern Bolivia, and eastern Paraguay. After April, the extent of anomalous water conditions will shrink. 

South Asia: Water deficits persist in central India but surplus forecast after April

South Asia: Water deficits persist in central India but surplus forecast after April

Intense water deficits will persist in central India through April, after which a transition to surplus is forecast stretching coast to coast across the country’s middle. Until the transition, deficits will be extreme in Madhya Pradesh, western Chhattisgarh, western Karnataka, and eastern Andhra Pradesh, and moderate deficits will emerge in Odisha, Telangana, and southern Tamil Nadu. Intense surplus will persist in Bangladesh, nearby Indian states, and Nepal. Deficits in Afghanistan will downgrade but persist, as will deficits in northern Sri Lanka.

Southeast Asia & the Pacific: Water deficits in Cambodia to abate after April

Southeast Asia & the Pacific: Water deficits in Cambodia to abate after April

Exceptional water deficits will persist in western Cambodia through April. Deficits of varying severity are expected in Sumatra, Java, western Borneo, and Papua New Guinea. Intense surpluses are forecast for western and eastern Myanmar, northern Laos, along the Mekong River until it reaches Cambodia, and central Philippines. Surpluses are also forecast for Vietnam, pockets of Thailand, Brunei, and northeastern Borneo. After April, surpluses will retreat, Cambodia will transition to near-normal, and deficits are expected in Malaysia, Sumatra, and western Borneo. 

Central Asia & Russia: Water deficits to emerge in Kazakhstan

Central Asia & Russia: Water deficits to emerge in Kazakhstan

Exceptional water surplus in European Russia will shrink and downgrade, though widespread surpluses will continue to emerge and will remain intense from St. Petersburg to the Rybinsk Reservoir and in Murmansk. Exceptional surpluses will emerge in the Vakh River Basin stretching east across the Yenisei River between the Angara and Podkamennaya Tunguska Rivers. Deficits near Yekaterinburg will upgrade, deficits around Yamal will downgrade, and deficits in Turkmenistan and Uzbekistan will moderate. Kazakhstan will transition from surplus to deficit. After April, much of the region will transition to deficits of varying severity. 

East Asia: Widespread, intense water deficits forecast for Mongolia & Inner Mongolia

East Asia: Widespread, intense water deficits forecast for Mongolia & Inner Mongolia

Exceptional water deficits will increase in Mongolia and China through April, creating a vast stretch from Xinjiang through Inner Mongolia. Exceptional deficits will emerge in Liaoning and extreme deficits in Hunan. Deficits are forecast to spread on the Korean Peninsula and may be intense near Seoul. Conditions of intense surplus remain in the forecast from Shanghai west through the Han River (Hanjiang) watershed, and exceptional surpluses will continue to emerge in northern Sichuan and Qinghai. Moderate to severe surpluses will continue to emerge around the Gulf of Tonkin and in Hainan.

Many analyses reported in ISciences-authored blog posts are based on data generated by the ISciences Water Security Indicator Model (WSIM). Other sources, if used, are referenced in footnotes accompanying individual posts. WSIM is a validated capability that produces monthly reports on current and forecast global freshwater surpluses and deficits with lead times of 1-9 months at 0.25°x0.25° resolution. This capability has been in continuous operation since April 2011 and has proven to provide reliable forecasts of emerging water security concerns in that time-frame. WSIM has the ability to assess the impacts of water anomalies on people, agriculture, and electricity generation. Detailed data, customized visualizations, and reports are available for purchase.

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