🧭 Route planning
Plan your next passage.
Open the map, choose two points and see your passage brief. Free for boaters.
Choose your departure and arrival; LeeHarbor draws a sea route that avoids land and brings distance, estimated arrival, wind and waves along the route, daylight and safe-haven information into one passage briefing.
The route engine uses the existing planning system; when you change the inputs, the route and briefing update.
Choose two points on the map or search for a marina. Add a shaping point whenever you need one.
Add speed, draft and departure time; ETA and passage conditions are read against them.
Distance, weather, daylight, havens, alerts and relevant overnight options appear in one place.
Once the route is drawn, the information you need is ordered for quick reading: overall conditions first, then detail along the passage.
Total nautical miles and estimated arrival time.
Wind, waves and condition alerts at waypoints.
See arrival and sunset information together.
Wind protection and, where available, marina or overnight options.
Choose a departure and arrival point on the map. LeeHarbor draws a sea route that avoids land, then presents distance, estimated duration, weather along the route, daylight and available safe-haven information.
You can see route distance, estimated time, wind and wave conditions by waypoint, a weather strip, daylight arrival information, route warnings, safe havens and, when available, overnight marina options.
Yes. Add, move or remove intermediate points on the map; the planner recalculates the passage and briefing for the updated itinerary.
No. LeeHarbor is a planning and exploration aid. It does not replace official charts, notices to mariners, a qualified skipper or approved navigation equipment.
Open the map, choose two points and see your passage brief. Free for boaters.
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