Free boating & marine tools

Practical tools for real passages, bridge clearance, anchor scope, fuel range and more. Built by Pathr on the same marine charts, tides and routing that power the app. No account, no paywall.

Navigation

Bridge Clearance Lookup

Charted vertical clearance and drawbridge schedules for U.S. bridges.

Weather & conditions

Marine Forecast

Wind, waves and the marine forecast for any U.S. spot.

Wave Conditions

Live wave height and sea state by location.

Water Temperature

Current sea-surface temperature by location.

Inlet & Bar Crossing

Favorable windows to cross an inlet, from tide, wind and swell.

Tides & sun

Tide Charts

Tide predictions for 3,000+ U.S. locations.

Sunrise & Sunset

Sunrise, sunset and golden hour by location.

Anchoring

Anchor Scope Calculator

How much rode to let out, and how wide you'll swing.

Planning

Fuel Range Planner

How far you can go on your fuel, with a reserve you choose.

Fishing

Fishing Times

Solunar best fishing times by location.

What's Biting

What's in season to catch, by state.

Charts

Nautical Chart Symbols

A searchable reference for every NOAA chart symbol and abbreviation.

Also in the works: Boating Distance Calculator.

The whole helm in one app

These 12 tools are a taste of Pathr, depth-aware routing, live tides, marine forecasts, offline NOAA charts and bridge clearances on your actual route. Free for two months on iOS.

Pathr for iPhone & Android

You've got the data. Now put it on your chart.

Pathr shows this spot live on a nautical chart, the depth under your keel, wind, tide, and live AIS traffic, all in one place.

Get it onGoogle Play

Free · Official NOAA charts · Works offline

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The same spot live on a Pathr nautical chart