*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

Australia: Exceptional drought forecast to persist in Tasmania, Victoria, southern South Australia, and from Perth southward; exceptional surpluses in the northwest

Through September 2016, the forecast indicates water surpluses in the north and along central rivers in Australia, with exceptional surpluses in northwest basins. Exceptional drought is forecast to persist in Tasmania, Victoria, southern South Australia, and from Perth southward.

Australia: Water surpluses are forecast in the north, exceptional deficits in Tasmania and Victoria

The forecast through August 2016 indicates a predominance of water surpluses in the north and along central rivers. Exceptional drought is forecast to persist in Tasmania, Victoria, southern South Australia, and from Perth southward for much of the forecast period. The persistence of moderate drought in northern South Island, New Zealand and in North Island is also in the forecast.

Australia: Water deficits to persist in Melbourne, Tasmania, Perth; North may transition to surplus

The forecast through July 2016 indicates a predominance of water surpluses in the north and along central rivers. However, exceptional drought may persist in southern Victoria, southern South Australia, Tasmania, and from Perth southward. Moderate drought may persist in North Island, New Zealand.

Australia: Exceptional water deficits to persist near Melbourne, Tasmania, Perth; north may transition to surplus

The forecast through June 2016 indicates a transition to water surpluses in the north and along central rivers. However, exceptional deficits may persist in southern Victoria, southern South Australia, Tasmania, and from Perth southward. Moderate deficits may persist in North Island, New Zealand.

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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