*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

Southeast Asia & the Pacific: Intense surplus forecast in Java & C Vietnam

Southeast Asia & the Pacific: Intense surplus forecast in Java & C Vietnam

The forecast through August indicates that, while water surpluses will shrink and downgrade, many areas will persist, including exceptional surpluses in central Vietnam and Java. Areas of deficit include Medan, Sumatra, and New Guinea’s north coast.

United States: Water deficits will persist in the West & Rockies

United States: Water deficits will persist in the West & Rockies

The forecast through August indicates water deficits of varying intensity in the West, Southwest, Rockies, parts of the Pacific Northwest, Virginia, North Carolina, and Georgia. Areas with a forecast of surplus include the Dakotas and Minnesota, and western Washington and Oregon.

ISciences Worldwide Water Watch List June 2022

ISciences Worldwide Water Watch List June 2022

Regions forecast to have significant water deficits for the 12-month period March 2022 through February 2023 include: Chile, California, Quebec, France, and Estonia. Areas of significant water surplus include: North Dakota, eastern Australia, Java, China, European Russia, and Tanzania. This Watch List is based on ISciences Water Security Indicator Model v2 (WSIMv2) 6 June 2022.

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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