Da Nang, Vietnam—A maritime collision occurred off the coast of Da Nang on the morning of July 18, 2026, as heavy fog severely restricted visibility for vessels at sea. Four fishermen were injured when their boat was struck by another craft while navigating the low-visibility conditions. The impact occurred several miles offshore, far from immediate land-based support.

The collision caused significant damage to the hull of the smaller fishing vessel. The crew of four found themselves taking on water while struggling to communicate their exact position due to the atmospheric interference caused by the dense fog. A distress signal was eventually relayed to the local port authority, which coordinated a rescue operation.

Nearby vessels responded to the call for help before official patrol boats could arrive. The injured fishermen were stabilized on the rescuing craft and transported back to Da Nang port. Medical teams were waiting at the dock to provide emergency care for injuries ranging from broken limbs to concussions.

Officials at the port have launched a formal inquiry into the circumstances surrounding the collision. Radar logs and vessel tracking data are being scrutinized to determine how the two boats failed to maintain safe distances despite the known hazardous conditions. Marine regulations in the region emphasize the use of sound signals and reduced speed during periods of low visibility.

The four victims are currently in stable condition at a Da Nang hospital. Their vessel has been towed to the port for a detailed damage assessment. Authorities are treating the incident as a reminder of the dangers associated with maritime operations during the monsoon transition period.

The port authority has issued a formal notice to all fishing cooperatives. They have mandated stricter adherence to safety protocols when fog banks move into the coastal shipping lanes. This involves the mandatory use of updated navigation lights and constant radio watch while in transit.

Operational activity at the port continues as usual, though small craft are being cautioned about the lingering fog. The coast guard has increased patrols in the area to assist any vessels experiencing navigation difficulties. The focus remains on preventing further maritime mishaps as the weather remains unpredictable.

The owners of the vessels involved are cooperating with investigators. The harbor master will release findings once the navigation data from the ships' black boxes has been fully reviewed. No further casualties have been reported from this event.