GPS Marine Charts App offers access to charts covering Latvia (derived from MAL(Maritime Administration of Latvia) data) with POI layers created from ENC charts. Only marine GPS app to have route assistance with Voice Prompts for marine navigation. It has route manager to create new boating routes or import existing GPX/KML routes. It supports Nautical Charts course up orientation.

* Voice Prompts for marine navigation (requires GPS )
-prompts when approaching a boating route marker
-Continous distance and ETA updates
-Alerts when sailing/boating off route
-Alerts when boating in wrong direction

*** For any question, contact support at gpsnauticalcharts.com / http://www.gpsnauticalcharts.com ***
*Route Editing/Creation
-Create routes from scratch
-Edit existing GPX/KML routes.
-Add custom description to any route point.
-Drop markers along route.

* Offline Latvia charts. Charts are created from MAL ENC data.
-Visually draw area to download
-Textual search
-Catalog
-Charts in WGS84 datum

*Seamless chart quilting of marine charts
*Distance Bearing tool
*Create custom way points
- Using GPS
-Select point on map
-Manually enter latitude & longitude coordinates

*POI layer for marine charts
- Overlay POIs
- POI list derived from the equivalent ENC and contains all categories including Buoy, Light, Harbour facility, Obstr.

*Search POIs/Way points
*Pan/Zoom/My Location
* Record Marine GPS tracks
* View tracks overlay
* Live track animation
* Track analytics/stats

* Export GPX tracks.
-Export to SDCard
-Share GPX trakcs with friends.

* Auto Follow Mode (Course up)
-Continuously updates boat's location on chart
- Adjustable update frequency

Sample Nautical Charts (please visit http://gpsnauticalcharts.com/main/latvia/all-all-latvia-charts-nautical-charts-folio.html for complete list)
The Gulf of Riga, SE Part
The Strait of Irbe and to the Port of Ventspils
From Uzava to Pape
Gulf of Riga, North-Eastern part
Gulf of Riga, Roja Port to Port of Riga
Gulf of Riga, Irbe Strait, Eastern part
Irbe Strait, Western part
Port of Ventspils to Pavilosta Harbour
From Port of Liepaja to border with Lithuania
Irbe Strait
Approaches to Port of Riga
Approaches to the Port of Ventspils
Approaches to the Port of Liepaja
Port of Salacgriva
Port of Liepaja
The Port of Ventspils
Port of Riga, Northern part
Port of Riga, Southern part
Port of Kuivizi
Port of Mersrags
Port of Skulte
Port of Roja
Port of Pavilosta