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June 17, 2025
*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
May 28, 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
May 28, 2025
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
May 28, 2025
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
May 28, 2025
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
ISciences staff
November 27, 2023
South America

South America: Widespread deficits continue in Brazil, Bolivarian Nations

ISciences staff
November 27, 2023
South America
South America: Widespread deficits continue in Brazil, Bolivarian Nations

The forecast anticipates widespread exceptional deficits to continue throughout much of Brazil and the Bolivarian Nations, as well as in some areas of the Guianas. Isolated surpluses are expected to occur in southern Brazil.

ISciences staff
November 27, 2023
Mexico & C. Amer. & Carib

Mexico, Central America, & the Caribbean: Widespread deficits continue throughout Mexico

ISciences staff
November 27, 2023
Mexico & C. Amer. & Carib
Mexico, Central America, & the Caribbean: Widespread deficits continue throughout Mexico

The forecast anticipates widespread exceptional deficits throughout much of Mexico, while Central America can anticipate lingering deficits to disappear, becoming near-normal conditions.

ISciences staff
November 27, 2023
United States

United States: Deficits continue in southern and upper Midwest states

ISciences staff
November 27, 2023
United States
United States: Deficits continue in southern and upper Midwest states

The forecast anticipates intense deficits to linger in Louisiana and New Mexico, as well as in the Upper Midwest and western regions of the Pacific Northwest. Existing surpluses in western states are expected to mostly resolve, but will continue in northwestern states and some regions of the Midwest.

ISciences staff
November 24, 2023
Canada

Canada: Exceptional deficits continue in most provinces

ISciences staff
November 24, 2023
Canada
Canada: Exceptional deficits continue in most provinces

The forecast anticipates widespread exceptional deficits to remain throughout most of the country, with some intense surplus emerging in the northern islands of Nunavut.

ISciences staff
November 24, 2023
Africa

Africa: Deficits to continue across N Africa

ISciences staff
November 24, 2023
Africa
Africa: Deficits to continue across N Africa

The forecast anticipates widespread deficits in northern regions of the continent, with similarly intense deficits occurring in Botswana. Eastern countries and southern regions of the Horn of Africa are expected to observe intense surplus.

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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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