SeaETA

Marine transit time calculator

Approximate sea route planner for shipping and voyage estimates.

Voyage inputs

Choose ports and speed.

Estimate

Search ports or coastal locations and choose a resolved suggestion.

Search ports or coastal locations and choose a resolved suggestion.

knots

Route map

No route loaded

2D view

Calculate a route to show it here.

Voyage summary

Choose an origin and destination, then calculate a route to see distance and voyage duration.

Sea route ETA calculator for planning teams

SeaETA works as a marine transit time calculator and vessel transit time estimator for rough planning. Teams can compare routes, check nautical distance, and review voyage duration from one port pair to another without using the tool for navigation or voyage execution.

Marine transit time calculator

Estimate sailing time from origin to destination using vessel speed in knots and approximate route distance.

Vessel transit time estimator

Use it for early chartering, freight, and operations discussions when you need a quick voyage estimate rather than a navigation-grade output.

Shipping transit time calculator

Review an approximate sea route, compare Suez assumptions, and calculate a rough sea route ETA for planning and visualization.