The ferry ride across the Cook Strait to Wellington (from Picton on the South Island) typically takes 3 hours and 30 minutes. This route is serviced by two main operators: Interislander and Bluebridge. While the distance is only about 92 kilometers (58 miles), the journey is relatively slow because the first hour involves navigating the narrow, winding, and exceptionally beautiful waters of the Queen Charlotte Sound, where the ship must maintain a low speed to protect the coastline from wake damage. The middle portion of the trip crosses the open sea, which can be notoriously rough depending on the winds. In 2026, both companies have introduced newer, larger vessels that offer enhanced stabilization, but schedules can still be delayed by "southerly swells." Travelers are advised to check in at least 45 to 60 minutes before departure, especially if bringing a vehicle. Because this is considered one of the most scenic ferry crossings in the world, many passengers spend the majority of the 3.5-hour trip on the outdoor viewing decks to spot dolphins, seals, and the dramatic cliffs of the Marlborough Sounds before entering Wellington Harbour.