By Arthur Rocha Baptista, Lawyer and Partner at ARB.Legal
After more than four decades of restrictions, Rio Grande do Sul resumes night navigation on its main inland waterway, which connects Lagoa dos Patos, Lake Guaíba, the Jacuí Delta, and the accesses to the ports of Rio Grande, Pelotas, Porto Alegre, and Triunfo. The measure, announced by the State Government in conjunction with the Brazilian Navy and Portos RS, represents a significant advancement not only from a logistical standpoint but, above all, from the perspective of navigational safety.
Since 1984, deficiencies in the maintenance and modernization of nautical signaling imposed severe limitations on nighttime navigability, increasing operational risk and compromising the efficiency of Rio Grande do Sul’s ports. Consequently, there was an increase in waiting times, additional operating costs, and a loss of competitiveness compared to other logistical corridors.
This scenario was exacerbated by the 2024 floods, which caused significant siltation in the waterway and the access to the Port of Porto Alegre, requiring the suspension of deep-sea vessel operations. The response came through structural investments: approximately R$ 258 million in dredging and around R$ 15.5 million in the recovery and modernization of nautical signaling, re-establishing adequate and safe navigation conditions.
From a legal point of view, navigational safety is not an abstract concept. It is an essential factor for the proper mitigation and allocation of risks among shipowners, operators, terminals, and infrastructure users. A properly signaled waterway with channels in adequate operational conditions reduces the likelihood of accidents, environmental damage, and logistical interruptions, with reflections on the civil, administrative, and environmental liability of the agents involved.
There is also a direct impact on the cost of operations, especially regarding hull and cargo insurance. Insurers price policies based on the risk of the route and the available infrastructure. The resumption of 24-hour navigation, in an environment monitored and certified by maritime and port authorities, improves the State’s risk profile, allowing for more competitive insurance conditions and greater predictability for transport and chartering contracts.
Furthermore, the elimination of forced anchorages during transit between ports reduces stay costs, unnecessary fuel consumption, and the idleness of high-value assets. The result is a more efficient, safe operation aligned with the requirements of global maritime trade.
More than an operational gain, the resumption of night navigation represents the reconstruction of confidence in the Rio Grande do Sul waterway complex and sends a clear message to the market: the waterways and ports of Rio Grande do Sul are returning to operate with safety, logistical efficiency, and a standard compatible with international best practices.