BVK GPX Tracker

GPS tracker for the Blocq van Kuffeler. Live weather, OWM map layers with legend, precipitation & water level. No account, no subscription.

GPS tracker built for the Blocq van Kuffeler sailing event.

Record your route on iPhone and Apple Watch. No account, no subscription, no fuss — just sail and record.

Live Weather Information • Wind direction, Beaufort force and gusts displayed on screen • Temperature, feels-like temperature and visibility • Air pressure with rising/falling trend • Wave height and wave period • Markermeer water level via Rijkswaterstaat (cm NAP, every 10 minutes) • Current estimate based on live wind data

OpenWeatherMap Layers • Overlay a live weather map on your navigation chart • Choose from: precipitation, clouds, wind, pressure or temperature • Free OpenWeatherMap account required (via Settings)

Map & Navigation • Speed-based map zoom — the map automatically adjusts to your speed • Course-up mode — the map rotates to match your heading • Choose your map server: Apple Maps, OpenStreetMap, OpenSeaMap, CartoDB, CartoDB Dark or OpenTopoMap • Offline map cache — browse your sailing area in advance, even without internet

GPS & Recording • Record your full sailing route as a GPX track • Pause and resume recording underway • Merge multiple sessions • Add waypoints at your current location or by long-pressing the map • Edit, move or delete waypoints

Battery Saving • Smart GPS accuracy based on speed — up to 80% savings at anchor • Charger mode: always maximum accuracy when the phone is plugged in

Safety • "Continue" option in the reset screen — accidentally tapped reset? Your session keeps running

Sharing & Export • Export your GPX file via email, AirDrop or any other app • Import existing GPX files from other navigation apps

Apple Watch • Record GPX tracks independently on the Watch • Pause, resume and save directly from your wrist • Display GPS signal strength

Privacy • No account required • No subscription • All GPS data stays on your device — nothing is shared with third parties

Available in 11 languages: Dutch, English, German, Spanish, French, Italian, Finnish, Portuguese, Russian, Ukrainian and Chinese.