*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

Australia & New Zealand: Severe deficits forecast in Tasmania

Australia & New Zealand: Severe deficits forecast in Tasmania

The May through July forecast indicates that Australia will transition away from widespread and intense water deficits observed February through April. However, severe to exceptional deficits are forecast for southwestern Western Australia, the Darwin Region of Northern Territory, Tasmania, New South Wales, Victoria, much of the Cape York Peninsula in northern Queensland, and New Caledonia. Surpluses are expected to persist in northeastern Queensland, and a large block of surpluses in eastern Kimberly, Western Australia will transition to both deficits and surpluses. After July deficits will continue to retreat in Australia, except in Tasmania, leaving much of the country in near-normal conditions.

South Asia: Water deficits forecast for Tamil Nadu, southern Andhra Pradesh, coastal Maharashtra

South Asia: Water deficits forecast for Tamil Nadu, southern Andhra Pradesh, coastal Maharashtra

Water conditions in the region are forecast to improve considerably in the next three months. In general, deficits in India are expected to downgrade in intensity though severe to extreme deficits are forecast in the south, affecting Tamil Nadu, southern Andhra Pradesh, and coastal Maharashtra. Deficits will diminish in Pakistan as well. Moderate to exceptional deficits are forecast for western Afghanistan. Exceptional surpluses will persist in Jammu and Kashmir, and moderate to extreme surpluses in eastern Afghanistan, northeastern Pakistan, and northeastern Bangladesh. Surpluses are also forecast along the Kali Gandaki River in Nepal. Overall, deficits in the region will continue to diminish after July.

Europe: Water deficits forecast for Europe

Europe: Water deficits forecast for Europe

Water deficits of varying severity are forecast to persist in western, northern, and Mediterranean nations of Europe, and to emerge eastward in the next three months. Surpluses are forecast to diminish in Eastern Europe and western European Russia, persist in eastern Romania and Moldova, and emerge in Murmansk (Russia) and northwestern Sweden. Except for Finland and Estonia, where deficits will remain exceptional, the forecast for August through October indicates an overall reduction in the extent and severity of deficits.

South America: Large pockets of exceptional water deficits in Brazil

South America: Large pockets of exceptional water deficits in Brazil

The forecast through July shows water conditions similar to the prior three months: large, widespread pockets of exceptional deficits in Brazil, and deficits along many Brazilian rivers. Deficits in southern Venezuela are forecast to increase in severity while those in the north recede. Severe to exceptional deficits are expected to persist in northern Chile. Surpluses are forecast to emerge in Bolivia east of Lake Titicaca; surpluses in eastern Paraguay will increase; and surpluses will persist in Buenos Aires, La Pampa, and Neuquén Provinces in Argentina. 

Africa: Water surpluses forecast for SE Tanzania, NE & coastal Kenya

Africa: Water surpluses forecast for SE Tanzania, NE & coastal Kenya

Severe to exceptional water deficits are forecast across northern Africa, Gabon, central Republic of the Congo, and western Madagascar through July or longer. Moderate to severe deficits are expected in northern Cameroon, eastern Central African Republic, southwestern Ethiopia, western Kenya, Democratic Republic of the Congo, Rwanda, Burundi, Angola, and northern Mozambique. Exceptional surpluses are expected to emerge in northeastern and coastal Kenya, and to re-emerge in south-central Sudan. Surpluses of varying intensity are forecast to persist in southeastern Tanzania, western Zambia, northern Botswana, Zimbabwe, and along South Africa’s border with Botswana. After July deficits in the north will persist, though diminish slightly in intensity and extent.

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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