Where this data comes from
Atoll Compass reads the same public sources a national chart is built from. Island outlines, reefs, lagoons, and protected areas come from OneMap. Harbours, jetties, and navigation marks come from OpenStreetMap. Nothing here is copied from another website's pages.
Outlines © Maldives Land and Survey Authority. © OpenStreetMap contributors.
Maldives Land and Survey Authority
OneMap, Geomatics Department
Island outlines and the official island register, named and unnamed reefs, and lagoons.
Published through the OneMap ArcGIS service. The service labels the layers “Maldives Land and Survey Authority”. The written Data Usage License of Geomatics is not published on readme.onemap.mv (the licence page returns 404). A request to [email protected] is drafted and has not been sent. This page will be updated when a reply arrives.
Updates Weekly
Environmental Protection Agency of the Maldives
OneMap protected-area layer, version 4.1, 20 August 2024
Protected-area boundaries, English and Dhivehi names, category, and descriptions.
Copyright text on the layer: Environmental Protection Agency (EPA) of the Maldives, Version 4.1, 20 August 2024.
Updates Weekly, with the rest of the OneMap survey
OpenStreetMap contributors
Overpass API
Harbours, jetties, ferry terminals, anchorages, navigation marks, wrecks, and a cross-check against curated dive sites.
Open Database License 1.0. © OpenStreetMap contributors. The same records are available from openstreetmap.org, and the OpenStreetMap-derived rows on this site are also published as a GeoJSON extract.
Updates Monthly
OpenFreeMap and OpenMapTiles
Liberty vector style
The basemap under every Atoll Compass map.
OpenFreeMap © OpenMapTiles, data from OpenStreetMap.
Updates Served live from the tile provider
Ministry of Fisheries and Ocean Resources
fisheries.gov.mv and keyolhu.mv
Fish aggregating device positions and ice plants, where a coordinate is published.
Cited as the Ministry of Fisheries and Ocean Resources. Rows without a published coordinate are not guessed.
Updates Daily
Open-Meteo
Weather and marine forecast APIs
Wind, rain, and sea conditions.
CC BY 4.0. Forecasts are for planning, not navigation.
Updates Cached for one hour
WorldTides
Tide API, when a key is configured
Tide heights. Without a key the site shows a lunar approximation and says so.
WorldTides terms for the API response.
Updates Cached for one hour
Ministry of Tourism and atollsofmaldives.gov.mv
Public facility register and atoll pages
Resort and guesthouse names used to classify islands, alongside the OneMap register.
Government publications, cited on the island record.
Updates When the island register is rebuilt
OpenStreetMap-derived places: download GeoJSON. Browse reefs, protected areas, and harbours.
Positions are for reference. This is not a navigational chart and must not be used as one.