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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
December 21, 2021
Africa

Africa: Intense water deficits to persist in SE Ethiopia

ISciences staff
December 21, 2021
Africa
Africa: Intense water deficits to persist in SE Ethiopia

The forecast through February 2022 indicates intense water deficits in southeastern Nigeria, Cameroon, and southeastern Ethiopia into Somalia. Intense surpluses will dominate from Kano State in Nigeria into Zinder, Niger, and in southeastern Sudan. Deficits will increase in Madagascar.

ISciences staff
December 21, 2021
Europe

Europe: Water deficits will emerge in Portugal & SW Spain

ISciences staff
December 21, 2021
Europe
Europe: Water deficits will emerge in Portugal & SW Spain

The forecast through February 2022 indicates intense water deficits in Portugal and southwestern Spain. Deficits elsewhere include Estonia, western Ukraine, Nouvelle-Aquitaine in France, and Tuscany, Italy. Areas of surplus include the northern U.K. and Norrbotten, Sweden.

ISciences staff
December 21, 2021
Mexico & C. Amer. & Carib

Mexico, Central America, & the Caribbean: Water deficits will increase in north-central Mexico

ISciences staff
December 21, 2021
Mexico & C. Amer. & Carib
Mexico, Central America, & the Caribbean: Water deficits will increase in north-central Mexico

The forecast through February 2022 indicates that water deficits will increase in northern Mexico and will be exceptional in Chihuahua, Coahuila, and Durango. Areas of surplus include southern Durango through Morelos, and Honduras, Nicaragua, and Jamaica.

ISciences staff
December 20, 2021
Canada

Canada: Water surplus will persist in southern BC

ISciences staff
December 20, 2021
Canada
Canada: Water surplus will persist in southern BC

The forecast through February 2022 indicates that water deficits will shrink in the southern portion of the Prairie Provinces, but vast areas of deficit will persist nationwide. Deficits are expected from Montreal to Québec City, surpluses from Toronto to Lake Huron and in southern British Columbia.

ISciences staff
December 20, 2021
South America

South America: Water surplus forecast in N Amazon

ISciences staff
December 20, 2021
South America
South America: Water surplus forecast in N Amazon

The forecast through February 2022 indicates intense water deficits in the Orinoco River Watershed of Colombia and Venezuela, and from Chile’s southern half into Patagonian Argentina. Widespread surpluses will emerge in the northern Amazon, the Guianas, and Bolivia.

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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.

For more information contact info@isciences.com.

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