*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

Mexico, Central America, & the Caribbean: Water surplus will persist in Sonora MX

Mexico, Central America, & the Caribbean: Water surplus will persist in Sonora MX

The forecast through June indicates that water surpluses will persist in northwestern Mexico and around Monterrey in Nuevo Leon. Deficits will persist in southeastern Chihuahua. Surpluses will shrink but persist in pockets of Central America.

Canada: Water surplus will emerge in Gatineau River Watershed

Canada: Water surplus will emerge in Gatineau River Watershed

The forecast through June indicates water surpluses near Toronto and Calgary, and deficits for Winnipeg, Regina, and Vancouver Island. Deficits will shrink in Quebec but remain widespread in the north, and surpluses will emerge in the Gatineau River Watershed. Surpluses will increase in southeastern British Columbia.

Middle East: Intense water deficits forecast for Saudi Arabia & UAE

Middle East: Intense water deficits forecast for Saudi Arabia & UAE

The forecast through June indicates that water surpluses in the region will shrink overall, but persist from central Turkey through Syria, northeastern Iraq, western Iran, the Caspian Coast, and Iranian provinces near the Persian Gulf. Exceptional deficits will increase in central Saudi Arabia.

Australia & New Zealand: Water surplus forecast in Murray-Darling

Australia & New Zealand: Water surplus forecast in Murray-Darling

The forecast through June indicates that widespread water surpluses of varying intensity will emerge in the Murray-Darling Basin of southeastern Australia. Deficits will shrink in southern New Zealand, increase in the north, and shrink and moderate in New Caledonia.

East Asia: Water surplus forecast in Pearl River Basin

East Asia: Water surplus forecast in Pearl River Basin

The forecast through June indicates that water surpluses will retreat in the Lower and Middle Yangtze Basin, transitioning to moderate deficits in the Lower Basin. Surpluses will increase in the Pearl River Basin and Southeast China. Deficits will emerge in eastern Mongolia, and Honshu and Hokkaido, Japan.

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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