Can I sleep in my canoe with it adrift on a commonly used lake?

It’s certainly not “safe” by any typical definition but I’m assuming you mean “safe” by the standards of a canoe trip on a big body of water.

So I think regarding going to sleep in your canoe, like going on the trip at all, you need to identify and manage the risks. How well you do that determines your safety. Sleeping sounds like a very large / possibly prohibitive risk management challenge. Any time you do something unusual, you are operating without the data provided by large numbers of other people. So you have to exercise more diligence up front in anticipating and addressing risks.

I think you can generally put risk in three buckets:

1. Risks to other people, including risk of needing a rescue that puts others at risk.

2. Risk of death or permanent serious injury to yourself (you can think of this as a risk to other people, ie your loved ones who are affected by your death or disability, or to your community which may be deprived of your ability to contribute)

3. Risk of personal discomfort and inconvenience.

Anything involving a public waterway involves all three.

Normally your alert human mind is a big part of your system of managing risks, as well stated in another answer. So if you are taking that element out of play, you had better devise an extremely robust system of managing those risks. It may involve sea anchors, excess flotation, a companion to keep watch while you sleep, radar, lights and reflectors (including possibly radar reflectors although efficacy data on those is weak), choosing very carefully where you attempt to sleep, etc. You may go through the exercise and come to the conclusion that you can’t responsibly do this. You may also look at a given itinerary and decide either that sleeping is safe, or that the itinerary is unsafe asleep or awake.

posted about 6 years ago

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mmcc‭

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For the specific question of drifting on the Great Lakes, doing so is effectively suicide.

First, there's the matter of traffic. The Great Lakes are a major shipping lane, with upwards of a hundred lake freighters, numerous ocean-going freighters, barge traffic, and other ships traveling at all times -- not counting small private vessels. There's a very real risk that your canoe will drift into a shipping lane and be run down, without the other vessel ever being aware of your existence.

Second, there's the weather. The Great Lakes are not known for their calm temperament -- every year, boaters drown when storms abruptly form or blow in. If you're asleep, you're not keeping a weather watch.

Third, there's the surface condition. The Great Lakes are large enough to get ocean-like waves: even if the weather is calm where you are, it's quite possible for high waves to roll in from some other part of the lake. A drifting canoe is almost certain to turn broadside to these waves and capsize.

Fourth, there's the size. Lake Ontario has places where you can wake up to find yourself 25 miles from shore; the other lakes are even bigger. Can you picture yourself paddling that far, possibly facing adverse winds, rough seas, and ships so big they can't even see you?

If you really want to sleep in a drifting canoe, do it in a pond where you're not facing these hazards.

posted about 6 years ago

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Mark‭

146 reputation 2 28 15 0