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Seamap

by Open WatersFree, no API key

A nautical chart style: buoys, lights with their sectors, traffic lanes and hazards from OpenStreetMap seamarks, rebuilt weekly, over shaded depths. Free with no API key under CC BY 4.0. Not for navigation.

const map = new maplibregl.Map({
  container: "map",
  style: "https://tiles.openwaters.io/seamap/style.json",
});