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It finds the shortest way that keeps clear of land, shallow water and charted hazards. To change it, hold a point or the line, drag it where you'd rather go, then tap Recalculate. See Plan and follow a route.

A start, end or moved point is probably well inland or cut off by shallow water. Move it onto open water and try again. You can also lower your minimum depth on your profile, if that's right for your boat.

Not on its own. It's a planning aid built from public data. Check every leg against an official chart before you go.

Distance divided by your cruising speed, which you set in Settings. Once you're following a route and moving, it uses your GPS speed. It doesn't account for current or wind.

The deepest water during your stay, plus your bow roller height, times the scope you choose. See Anchor math.

Yes. Sign in with Apple or Google to use the app; there are no passwords.

Wi-Fi iPads have no GPS chip, so on the water they may have no usable position. A cellular iPad has one built in, or you can connect an external GPS receiver. Check that location permission is on for Breaking Wind in your device's Settings too.

Not fully, in this version. Conditions, marks, alerts and fleets all need a data connection, and the app tells you when something can't be reached. Anything you post or send out of coverage waits and goes out when you're back.

Every number says where it came from and how far away it was measured, so check that first: the nearest station may be some distance off. The data comes from public services that can be late or unavailable. Trust your official charts and your own eyes over the app, and tell us if something seems consistently off.

Forecasts only (Data Source: Environment and Climate Change Canada). Canadian tides, currents and charts aren't included.

Open Fleet in the app. To start one, give it a name, then open Boats and share the invite code. To join one, enter the code you were sent.

It hasn't reached our server, usually because you're out of coverage. The app keeps trying, and it'll go out when you're back. Never rely on fleet chat in an emergency.

We haven't heard from that boat for over five minutes, so it may no longer be where it's drawn. Its row in Boats says when it was last heard from.

Only you. Trips never appear on the profile other people see.

Right away. Every post is public as soon as you post it, including where you dropped it.

Turn off Share my numbers for that fleet, and your boat leaves everyone's map.

The people they're sent to can. Fleet messages aren't end-to-end encrypted, so they're also readable on our server. The privacy policy has the details.

In the app, go to You, then Settings, then export your data.

In the app, go to You, then Settings, then delete your account. You don't need to write to us. It's deleted right away and can't be undone. More about deleting your account.

In your device's Settings, tap your name, then Subscriptions. Deleting the app or your account doesn't cancel it by itself.

Use Restore purchases on the subscription screen in the app, signed in to the same Apple account.

Apple handles refunds. Request one at reportaproblem.apple.com.

You keep it, and export still works.