What is the course inbound for the Harbor Island Reach?

The course inbound for the Harbor Island Reach is identified as 138 degrees. This specific angle indicates the direction vessels should follow while navigating into the reach, ensuring safe and efficient passage through the waterway. It's important for maritime navigation that the course is defined accurately to avoid hazards and ensure that vessels can maneuver safely in confined waters.

In the context of harbor navigation, the inbound course often ties into various navigational charts and established maritime practices, taking into account factors such as current, wind direction, and the layout of the harbor. Navigators rely on this information to maintain proper heading and assist in docking procedures.

In this case, the other provided courses do not align with the established navigational norms for the Harbor Island Reach, making 138 degrees the correct and safe choice for inbound navigation.