Navigation Fundamentals
Coastal and offshore navigation: position, course, distance, and time. Use our tools for passage planning and piloting.
Coastal and offshore navigation: position, course, distance, and time. Use our tools for passage planning and piloting.
OceanCalc is a precision-focused maritime calculation platform built for sailors, navigators, and marine professionals. All formulas are derived from established navigation principles including great-circle computation, rhumb line navigation, and classical seamanship mathematics.