Vessel Traffic Through the Strait of Magellan Rises 70% Amid Panama Drought
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The number of vessels transiting the Strait of Magellan rose more than 70% during August and September 2026 compared to the previous year's levels. The increase is mainly explained by the drought affecting the Panama Canal, which has lowered water levels and forced authorities to restrict both the draft and the number of vessels allowed to transit that interoceanic waterway each day.
Additional factors
In addition to the situation in Panama, disruptions recorded in the Middle East have led some operators carrying cargo from South America and West Africa to Asia to avoid that region and, likely, to reroute via the Strait of Magellan. This was explained by Kenneth Loh, an analyst at Bloomberg Intelligence, who stated that the drought in Central America has been the main driver of the phenomenon and that it has also forced shipowners and operators to pay extraordinarily high rates to avoid the long queues caused by transit restrictions at the canal.
A toll-free alternative
According to Loh, for vessels seeking to avoid transit restrictions, long queues or high fees, rerouting via the Strait of Magellan represents a natural alternative. Although sailing this route involves a longer distance and higher fuel costs, the toll-free passage gives shipowners another option when bottlenecks elsewhere drive up delays and transit costs. According to Bloomberg, these shifts show how climate and geopolitical disruptions at major maritime chokepoints are reshaping global trade routes.
Origin of the increase
The rise in traffic began in July 2026, coinciding with the winter season, when heavy snowfall in the Andes mountain range slowed truck traffic between Chile and Argentina, according to data from the Punta Arenas Maritime Governor's Office, which reports to the Chilean Navy. The increase was particularly noted among vessels of between 60,000 and 65,000 gross register tons, although the Navy did not provide details on the types of vessels involved.
Outlook
The upward trend is expected to continue in the coming months, especially with the start of the cruise season. For reference, the Chilean Navy's Maritime Statistical Bulletin recorded a total of 2,394 sightings of major vessels in the Strait of Magellan in 2025, of which 523 corresponded to Chilean-flagged vessels and 1,871 to foreign-flagged vessels.
