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Up to 5,000 updates every day
Update My Chart

Up to 5,000 updates every day

Update My Chart

How We Work

New Data Sourcing

We integrate all sorts of new data from official hydrographic services and private entities. Our aim is to generate a comprehensive product that goes well beyond official HO charts. This is why we constantly scout new sources and carefully select the content that ends up in our final product. We choose different sources for different areas in order to maintain our high standards and continue serving our customers with the best detail possible.

Recent examples

Integration and Processing

Only Navionics delivers updates in such an incredibly timely way. On average, we integrate new data within 15 to 30 days from publication by the original source. New data include, but are not limited to:

- Notices to Mariners, over 18.443 since January 2020!
- ENC data S57
- surveys
- and more

"Current to" info

View worldwide updates on our Heatmap

Discover

SonarChart Contours

SonarChart™, our 1 ft/0.5 m HD bathymetry layer, is constantly enhanced by millions of sonar logs from boaters like you. These new contributions, coming from all over the world, are integrated with existing data to reflect the ever-changing conditions of sea, lake, and river bottoms at a very local level.

Rocks and Natural Reefs

Nothing ruins your boating day like hitting a rock. In addition to our own research, we encourage boaters to share the locations of underwater and exposed rocks. These potential hazards are displayed clearly within our products, making boating safer for everyone.

Lakes

Navionics charts include more than 37,000 lakes worldwide. But that’s not all of them. We constantly source new data, so no matter where you are, you can boat and fish at a lake nearby. Learn more

Shoreline Updates

The forces of nature, as well as construction projects like dams, dredging and marina development, affect the shape of coastal, lake, and river shorelines. Our experienced cartography teams meticulously review and redraw these features as they change over time.

Fish Attractors and Artificial Reefs

Build it and they will come. Fish seek out particular types of habitats where they prefer to nest. In many lakes and coastal waters, angling clubs and fisheries organizations will sink structures to attract fish and encourage a healthy fishery.

See Recent Examples of Updates

  • SOUTH AFRICA

    21 Marine protection areas added
    20 New lakes: Albert Falls Dam, Bivane Dam, Arabie Dam, Bronkhorstspruit Dam, De Hoop, Driekoppies, Ebenezer Dam, Hazelmere Dam, Inanda Dam, Loskop Dam, Midmar Dam, Mnini Dam, Nandoni Dam, Roodekoppies Dam, Shongweni Dam, Spienkop Dam, Tzaneendam, Vaal River, Witbank Dam, Wriggleswade Dam

  • SPAIN

    Bathymetry update: Alcudia, Mahon, Palma ports
    
New lake: Embalse de San Juan
    Marina updates in Andalucía and Gibraltar

  • SWEDEN

    New routing system in Kattegat and the northern part of The Sound
    9 Natural Harbors
    Entry Prohibited Military practice area removed
    Lake updates: Lake Näkten, Oppmannasjön Lake
    New lakes: Östra Lägern, 163 additional lakes


  • UNITED ARAB EMIRATES

    Abu Dhabi – additional navaids

  • UNITED KINGDOM

    Inland waterways added
    Lake Windermere
    Rutland Water Reservoir
    Solent buoys
    Bathymetry updates: Beaulieu Marina, Chichester & Elmer Beach, Cowes & Medina Wharf & River Medina, Cowes Yacht Squadron, Eastbourne Sovereign Harbor, Falmouth, Fowey, Langstone, Littlehampton & River Arun, Lymington, Padstow, Plymouth area, Ramsgate & Folkestone, Weymouth

  • USA

    Featured blog posts:
    Spring Updates to Toledo Bend and Other Texas and Tennessee Lakes
    Spring Updates to Lake Texoma (OK/TX) and Others
    Arizona: Canyon Lake, Lake Havasu, Theodore Roosevelt Lake
    Alabama: Joe Wheeler, Lewis Smith, Lay, Logan Martin, Martin, West Point
    Arkansas: Dardanelle, Greers Ferry, Maumelle, Norfork, Bull Shoals
    California: Clear Lake, Don Pedro, Isabella, San Joaquin River
    Florida: Lake Okeechobee (major update), Seminole
    Georgia: Hartwell, J. Strom Thurmond, Keowee, Oconee, Richard B. Russell, Sidney Lanier
    Idaho: Couer d’Alene Lake
    Indiana: Brookville Lake
    Kentucky: Barren River, Cave Run, Kentucky Lake
    Maine: Sebago Lake
    Maryland: Liberty Reservoir, Little Seneca Lake Reservoir, Loch Raven Reservoir, T. Howard Duckett (Rocky Gorge) Reservoir, Triadelphia Reservoir
    Minnesota: Leech, Vermillion
    Missouri: Lake of the Ozarks
    New Hampshire: Lake Winnipesaukee
    New Jersey: Lake Hopatcong
    North Carolina: B. Everett Jordan, Hiwassee, Tillery
    Ohio: Monroe Lake
    Oklahoma: Broken Bow, Fort Gibson, Hudson, Keystone, Skiatook, Tenkiller Ferry
    Oregon: Antelope Reservoir
    Pennsylvania: Pymatuning Reservoir
    South Carolina: Greenwood, Jocassee, John H. Kerr Reservoir, Moultrie (Santee Cooper), Murray, Wateree
    Tennessee: Center Hill, Chickamauga, Cumberland, Dale Hollow Lake, Fort Loudoun, Melton Hill, Nickajack, Norris, Old Hickory, Watauga, Watts Barr
    Texas: Austin, Belton, Bob Sandlin, Bridgeport, Falcon, Fork, Lavon, Lewisville, Palestine, Sam Rayburn, Tawakoni, Texoma, Toledo Bend, Travis, Whitney
    Virginia: Gaston, John H. Kerr, South Holston

Update Any Time You Want

GPS Plotter Cards

With an active subscription you can keep your charts up to date by inserting your card into a PC, directly or using a card reader. You can also do it from your boat using Plotter Sync.

Update My Chart

Boating App

Within the one year subscription, open the app, go to the Menu and tap on Update All.

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Gps Plotter Charts

Choose one of the available options to easily renew.

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Boating App

Open the app, tap Menu > Me > Subscriptions.

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