Marinate
Nautical charts
OpenSeaMap charts with buoys, lights, depths, and marinas. Satellite and minimal bases, depth shading, and offline downloads per area.
EXPLORE CHARTS →Offline-first marine navigation
Sail Beyond Signal.
Live GPS on real nautical charts, route planning, weather, tides, and AIS traffic. Works fully offline. No account, no tracking.
App Store & Google Play · MOB and anchor alarm free forever
WPT 01 · CHARTS
One app for the whole passage
From the first waypoint to the trip logbook. Navigation, planning, weather, and safety in a single chart-first app.
Routes & trip log
Plan multi-leg routes, navigate with live distance, bearing, ETA, and cross-track error, then review every trip in the logbook.
PLAN A ROUTE →Weather & tides
Tap anywhere on the chart for wind, gusts, and waves. Watch the animated wind field and check tides and currents before you go.
CHECK THE FORECAST →Safety at sea
One-tap man overboard with auto-return navigation and an anchor drag alarm on every boat. AIS collision warnings with Premium.
SEE SAFETY TOOLS →Boat instruments
Big-number SOG, COG, heading, and position readouts, AIS vessel traffic, and live depth and wind from your boat via SignalK.
CONNECT YOUR BOAT →Yours, everywhere
Built for iPhone and Android. Offline chart downloads, GPX import and export, and easy spot sharing.
GET THE APP →Charts0 offline
Sign-upNONE no tracking
Core app$0 forever
Languages0 EN FR ES HE
WPT 02 · AFTER SUNSET
Built for the helm, day and night
A red night palette that protects your night vision. Drag the line to see the same harbour switch modes.
Drag or use arrow keys
WPT 03 · SAFETY
The safety essentials are free, forever
Some things should not sit behind a subscription. One-tap MOB and the anchor alarm are free for everyone. No trial, no tier, no exceptions. Try the MOB button on this little chart:
Underway
SOG 5.2 kn
Live demo. In the app this is one tap from any screen.
WPT 04 · WEATHER
Tap anywhere. Know the wind.
Wind, gusts, waves, and temperature for any point on the chart, plus animated wind fields, pressure isobars, tides, and currents.
WPT 05 · PRICING
Free to navigate. Premium to go deeper.
Core navigation, MOB, and the anchor alarm are free forever. Premium adds advanced layers for $1.99 a month, and you can cancel anytime.
Free
$0 forever
- Full nautical charts & GPS navigation
- Routes, tracks & trip logbook
- Weather, tides & currents
- One-tap MOB & anchor alarm
Premium yearly
$14.99/year
- Depth shading & contours
- Animated wind & pressure isobars
- AIS overlay, collision alarm & SignalK
- Track replay & unlimited offline areas
Premium monthly
$1.99 /month
- Everything in Premium
- Great for a charter week or a season
- Cancel anytime in your app store
Launch pricing. Subscribe now and keep this price for as long as you stay subscribed.
You have arrived at your destination
Install Marinate, download your cruising area, and head out. No account, no tracking. Just you, your boat, and the chart.