*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

Canada: Water deficits through September in northern MB, eastern ON, & central QB

Canada: Water deficits through September in northern MB, eastern ON, & central QB

The outlook for Canada indicates large pockets of exceptional water deficits through September in northern Manitoba, eastern Ontario, and central Quebec, along with deficits of generally lesser severity in British Columbia and the Prairie Provinces. Surpluses are forecast northwest of Quebec City, on the southern shore of Hudson Bay, and in northern Saskatchewan. From October on, deficits across the country are forecast to diminish and surpluses will emerge in southern Ontario and northern Quebec.

Australia & New Zealand: Water deficits persist across northern Australia & in New Caledonia

Australia & New Zealand: Water deficits persist across northern Australia & in New Caledonia

Water deficits are forecast to persist across parts of northern Australia – particularly northernmost regions of the Northern Territory and the southern shore of the Gulf of Carpentaria – and also in the southwest tip of Western Australia, Tasmania, and New Caledonia. From July through September surpluses are forecast to persist near the Barcoo and Fitzroy Rivers in Queensland, and emerge west of Brisbane. Surpluses will continue to emerge north of Adelaide east of Spencer Gulf in South Australia, and will emerge in the center of New South Wales. 

Mexico, Central America, & the Caribbean: Water deficits forecast in Veracruz and Guatemala

Mexico, Central America, & the Caribbean: Water deficits forecast in Veracruz and Guatemala

Water deficits are forecast to persist on the Baja Peninsula through September with greatest extent and severity in July. Deficits are forecast in southern Mexico during this period and are expected to be of exceptional severity along the southern Gulf of Mexico in Veracruz, Tabasco, and Oaxaca. Deficits are also forecast in Guatemala and El Salvador, Jamaica and Haiti, and after September may emerge in Belize, Honduras, western Nicaragua and eastern Panama.

Southeast Asia & the Pacific: Water deficits forecast for Thailand, Cambodia, Malay Peninsula, Timor

Southeast Asia & the Pacific: Water deficits forecast for Thailand, Cambodia, Malay Peninsula, Timor

Thailand, Laos, Cambodia, and the Malay Peninsula are forecast to continue in conditions of water deficit through March 2017, which will be especially severe in Cambodia. Exceptional deficits will emerge in the Mekong Delta in July, and are forecast for Timor through October. Surpluses in western Borneo will gradually diminish through September as will surpluses on Java and Flores Island, though they may persist longer. Sumatra will transition from surplus to deficit beginning in September.

East Asia: Water surpluses to persist on middle & lower reaches of Yangtze

East Asia: Water surpluses to persist on middle & lower reaches of Yangtze

Water surpluses are expected to persist in many provinces of China along the middle and lower reaches of the Yangtze River through September though surpluses will not be as severe or widespread as in previous months. In November southeast China will begin to transition from surplus to moderate deficit which will gradually encompass much of the country. Deficits will emerge on the Korean Peninsula in October. By November deficits in Japan will spread in Honshu, Shikoku, and Kyushu.

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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