Quick Tide Sailing: Auto GRIB

Polar is the all-in-one sailing navigation assistant: weather routing, GRIB, current and tide, ORC polars and open-source marine charts. Free to start.

CREATE YOUR ROUTE IN 4 TAPS
Draw your route and run the isochrone router: Polar computes the optimal track from your boat's polar, the wind, day/night and engine, avoiding land.

WEATHER & GRIB
• Worldwide GFS wind (free) + high-resolution AROME and ARPEGE models (Météo-France, Europe/France)
• Swell and waves (WW3), gusts, pressure, CAPE (storms)
• Automatic GRIB download along your route, or presets

CURRENT & TIDE
• Surface current and tide (Copernicus Marine) built into the routing
• Current arrows on the chart + speed/course table

POLARS
• Standard monohull / multihull library
• ORC database: thousands of certified boats
• CSV/.pol import, refinement from real on-board data (NMEA / Signal K)

MARINE CHARTS
• OpenStreetMap + OpenSeaMap nautical overlay (marks, depths, seagrass)

ON BOARD
• Instrument display (NMEA 0183 / Signal K)
• Smart alarms: anchor drag, shallow water, high wind, off-course (XTE), battery…
• Track recording and history
• AIS

For racing and cruising. 10 sailor languages.

FREE & PREMIUM
Free basic routing (GFS wind). Premium adds current, tide, waves and high-resolution models. Free trial on first launch.