Download Nautical Charts Free

OpenSeaMap
on Garmin GPSmap 7015
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OpenSeaMap
on Garmin GPSmap 526

Aug 16, 2012 Nautical charts include information about the depth of water, obstructions and other dangers to navigation, and the location and type of aids to navigation. Please feel free to contact us with the name of the lake you're looking for. We regret that few lakes in Canada have hydrographic charts, but we'll be pleased to check for you. OpenNauticalChart offers free seacharts for everybody. This charts are usable (offline) with several ship-plotters and Navigation-equipement on board.


OpenSeaMap works on chartplotters and on most handhelds made by Garmin.

FreeChartsFree download nautical charts

Newest OpenSeaMap charts also work on chartplotters with most recent firmware.

Download

Use the following link to download newest generation OpenSeaMap of Europe. It works on chartplotters even with recent firmware:

Charts of other regions can be created on demand within a few minutes. Please use the following service:

Source: http://forum.openseamap.org/viewtopic.php?id=1833 and http://forum.openseamap.org/viewtopic.php?id=2143

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Coverage

Coverage is worldwide.

Characteristics of the map

When zooming in, you can see buildings.
When zooming out, the streets disappear and you will see an overview map of rivers and water surfaces.

Garmin GPSMap 526
Piloting chart
Garmin GPSMap 526
Harbour plan
Garmin GPSMap 526
Overview map

Tips & Tricks

  • Older devices may only support maps up to 2 GB.

Device list

GPSmap7015
Oregon 450

OpenSeaMap works on the following Garmin devices:
= tested successfully

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All these devices should work for OpenSeaMap, also all the hand-helds and chart plotters in this list:

okTypeComments
Echomap 50 dvPlotter with integrated Fishfinder
Echomap 50 sPlotter with integrated Fishfinder
GPSmap 7015
GPSmap 7012
GPSmap 6012
GPSmap 6008
GPSmap 6012
GPSmap 6008
GPSmap 5015
GPSmap 5012
GPSmap 5008
GPSmap 4012
GPSmap 4010
GPSmap 4008
GPSmap 720 / 720sTouch screen
GPSmap 620Portable two-in-one touch screen device for street and marine applications
GPSmap 531 / 531s
GPSmap 527
GPSmap 526 / 526s
GPSmap 521 / 521s
GPSmap 421 / 421s
GPSmap 172CNo longer available
GPSmap 60 cxOutdoor
GPSmap 60 CSxOutdoor
GPSmap 62 sOutdoor
GPSmap 62 scOutdoor
GPSmap 62 stOutdoor
GPSmap 62 stcOutdoor
GPSmap 64 sOutdoor
ColoradoNo longer available
Dacota 20Outdoor
eTrex 10Outdoor, by Mapsource + Multistorage (only 12MB)
eTrex 20Outdoor
eTrex 30Outdoor
eTrex Legend HCxOutdoor
eTrex Venture HCOutdoor, by Mapsource
eTrex Vista HCxOutdoor
Montana 600Outdoor
Montana 650Outdoor
Montana 650 tOutdoor
Oregon 550Outdoor
Oregon 450Outdoor with marine mode

Technical background

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Over time, the various Garmin devices for car, outdoor and marine applications have evolved in different directions.

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New maps are only compatible with the device for the respective target group. NT maps with lane assist guides and traffic informationonly work on Garmin nüvi devices, whereas the very detailed and colourful topographic maps are meant for use in outdoor devices. However, Bluechart G2 Vision only works in combinationwith marine devices. All sea maps, either traditional Bluechart, G2 or G2 Vision, work without TYPE files, as these do not display particularly detailed or multi-coloured images on shore. The Bluechart version does not offer green meadows, brown fields or even tree symbols in a forest. However, outdoor devices were designed to be used in a car or on a boat as well. For this reason, a partial support for NT and Bluechart (G2) was implemented. Unfortunately, they did not implement lane assist guides or Bluechart Vision.

So far, Garmin marine devices do not support TYPE files (for freely definable symbols, colours and textures). In order to display polygons, only a few clearly defined colours and textures are available. Without TYPE files, however, the priority of polygons cannot be defined. Maps that are displayed perfectly on Garmin outdoor or travel devices generally do have the same quality on marine devices and are therefore unusable.

Garmin has built in a locking mechanism in newer marine devices to prevent older Bluecharts (without G2) from being used (Message: 'Karte nicht kompatibel' [Map is not compatible]). This lock also takes effect when OSM cards are involved.

Thus, a special OpenSeaMap chart was developed for owners of Garmin marine devices. It is particularly designed to adapt to the options of marine devices, which are rather limited compared to those of outdoor devices. This chart also works on outdoor devices with marine mode (e. g. Oregon) without any restrictions. It should also work for older marine devices. However, you should not download the entire map of Europa to less powerful devices in one go, but choose MapSource sections instead. Otherwise the image buildup will be very slow and there can be gaps in the map if the working memory is too small.

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On devices that are exclusively used in cars (nüvi series) the map will probably not work without restrictions. Devices for aviation have not been tested so far.px

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