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Hazard spot

Lake Starnberg and Ammersee: Strong katabatic winds

Lake Starnberg and Ammersee: Both lakes are long and narrow, so the wind funnels and runs the full length of the axis. Thunderstorms pass through almost daily in summer.

Cause
Strong katabatic winds
Main season
May to September
Position
47° 55,2' N 011° 15,0' E
Strong katabatic winds · May to September

On the map

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Lake Starnberg and Ammersee: how the place works

Both lakes are long and narrow and run north to south. The wind is channelled along them and stands on the water over their full length, so at the southern end a short, high sea builds even in moderate wind. Lake Starnberg is also very deep.

Lake Starnberg and Ammersee: what breaks there

Capsizes and flooding in small boats, plus damage at pontoons and mooring buoys. The depth makes every case more expensive: a sunken boat has to be rigged by divers and lifted by crane, whatever it is worth.

Lake Starnberg and Ammersee: what this means for your policy

Make sure salvage and lifting costs are insured separately and at a sufficient level. For a small boat in eighty metres of water they regularly exceed the boat's market value.

Read this in full: At anchor the policy is awake

Cruising range

In the calculator this spot falls under German inland waters

Calculate a premium for this cruising range

Nearby

And what applies right now?

This page shows what always holds here; live official warnings are on the warning map.

Open the warning map
An owner in yellow foul-weather gear makes fast a second mooring line as storm clouds gather

Storm on the way

Lines doubled, head clear.

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