Sea Distances Lite

▼Location Library click a port to add it 0

▼Route Builder drag to reorder 0

▼Itinerary speed editable per leg

From	To	Dist	kn	Time
No route calculated yet

Raw: 0Optimized: 0

▼Layers background files 0

Planning aid - not for navigation. Routes follow the shipping-lane network (Eurostat marnet, via searoute) and are not checked against the coastline. Your ports, routes and layers are stored only in this browser.

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⚓ Pilot Point Manager✕

Port

#	Lat	Lon	Belongs to

Allow dragging pilot markers on the map

Click a row to highlight its marker on the map — click a marker to highlight its row here. Right-click the map to add a point at that spot. "Belongs to" moves a point to another port. Marker dragging is off by default so points can't be moved by accident.

Vessel Tracker (Live AIS)

Vessel Name

MMSI

Origin Port

Dest Port

Vessel	MMSI	Last position	Age

Vessels with an MMSI are tracked automatically in the background while the app is running — positions refresh on the map every 20 s.

Route & ETA draws the remaining route from the vessel's live position to its destination port and estimates arrival at the default speed.

⚓ Sea Distances

Map Legend

⚓ Sea Distances

Map Legend

Settings

Manage Location Library

Vessel Tracker (Live AIS)

Add Background Layer

Save Route

Coordinate Converter (WGS84 ↔ UTM)