Drought forces new restrictions on the Panama Canal and threatens global trade

Monday 07 September 2026 - 13:42

By: Azzat Manal

Drought forces new restrictions on the Panama Canal and threatens global trade

The Panama Canal is facing renewed pressure from water shortages as drought and declining rainfall levels force authorities to introduce additional measures aimed at preserving the water resources needed to keep the strategic waterway operating.

The Panama Canal Authority has moved to reduce the number of vessels allowed to transit each day as falling water levels in the artificial lakes that supply the canal create growing challenges for navigation. Under the latest measures, daily traffic is expected to gradually decline from around 36 vessels to 32 by mid-September.

The restrictions come amid difficult climatic conditions associated with El Niño, a recurring climate phenomenon that can significantly alter rainfall patterns, temperatures and atmospheric circulation across different parts of the world. Central American countries, including Honduras and El Salvador, have also faced severe weather conditions and heightened environmental risks.

The situation is particularly significant for international commerce because the Panama Canal is one of the world's most important maritime shortcuts. Stretching for roughly 80 kilometres, it connects the Atlantic and Pacific oceans and handles an estimated 5% of global maritime trade. The United States and China are among its major users, meaning prolonged restrictions could have consequences for shipping costs, delivery times and international supply chains.

To cope with the water shortage, the authorities have also used measures affecting the maximum draft of vessels. Limiting how deeply ships can sit in the water allows the canal to continue accommodating traffic when water levels are lower, although it can also force vessels to reduce their cargo loads.

The current situation follows a difficult period for the canal in 2023, when severe drought and the effects of El Niño led authorities to impose substantially tighter restrictions. At one point, the number of daily transits was reduced to around 22 vessels, highlighting the vulnerability of the canal to prolonged changes in rainfall and water availability.

The Panama Canal depends heavily on freshwater reservoirs to operate its locks, making its commercial capacity closely linked to regional rainfall. This dependence has become an increasingly important concern as climate variability and periods of extreme drought put additional pressure on available water resources.

For Panama, the challenge is therefore twofold: protecting the freshwater reserves needed by surrounding communities while maintaining the efficiency of a waterway that generates major economic and strategic benefits for the country.

The latest restrictions also illustrate how climate-related water scarcity can directly affect global trade. Disruptions at major transport corridors such as the Panama Canal can create additional pressure on shipping networks and demonstrate that access to freshwater is becoming an increasingly important factor in the reliability of international supply chains.