From the kitchen window the lake was a sheet of hammered tin, flat and bright, not a wrinkle on it from the near shore to the far trees. I stood at the sill with my coffee and read it the way you read weather through glass, which is to say confidently and wrong. Calm, I decided. A calm day. I made the plan on the strength of that word, and the word was true about the water directly below the window and false about nearly everywhere else, and I would not learn the difference until I was out where the difference lived.

Water seen through a window is not the same water you get under a boat. The window shows you the surface, and only the part of the surface the light happens to be laying flat, and it shows it to you from above and at a distance, which is exactly the wrong angle for the truth. Distance irons a lake. A mile of chop, seen from far enough and high enough, packs down into a smooth shine, the little peaks and troughs averaging out into a flatness that exists only in the viewing. The kitchen forecast is always fairer than the ground truth, because the kitchen is dry and warm and a hundred feet up the slope, and it forecasts for a lake that photographs well.

I carried the canoe down and it went in easy, off the gravel, into water that was in fact calm right there, in the shallows, in the lee of the point. This is the trap. The near water tells you the window was right. The first hundred yards agreed with the kitchen. I settled the load, took up the paddle, and set out across toward the far trees on the strength of two agreeing witnesses, both of them local, neither of them qualified to speak for the middle.

The point is what had been lying, or rather the point had been telling the truth about itself and I had mistaken it for the whole lake. As long as I was behind it the water stayed flat, sheltered, honest-looking. Then the bow came out past the last of the point’s protection, out from behind the land, and the lake I had planned for stopped and the actual lake started, and the difference arrived all at once, in the space of a single boat-length.

The wind was there. It had been there the whole time, out in the open water, doing what wind does across a mile of fetch, and the kitchen window had simply not been able to see it. It came at the canoe from the side, off the long axis of the lake where it had a mile to build, and the flat tin of the surface was not flat at all out here — it was a moving field of low gray ridges, close-spaced, each one a small argument, marching down the lake in ranks. The first one slapped the hull and threw a cupful over the gunwale, cold, into my lap. The canoe, light, high, empty of the ballast I had not bothered to bring for a calm day, took the wind on the side and wanted to turn and run before it.

This is the whole education of a lake, delivered in about four seconds. The forecast was made in the kitchen. The correction is made in the middle of the water, in the body, in the arms suddenly working, in the paddle switched to the windward side and dug in low to hold a line the boat did not want to hold. There is no arguing the point. The lake does not accept that the window said calm. The lake was not consulted about the window.

I turned the bow to quarter into it, because you cannot take a lake like that on the beam or it will have you, and quartering means you no longer go where you were going — you go where the wind and your judgment can agree to let you go, a compromise course, angling across the ranks of chop, taking each one on the shoulder of the bow with a thud and a rise and a cold slap of spray. Progress became a negotiated thing. The far trees, which from the kitchen had seemed a short flat paddle off, sat out there past a mile of water that had every intention of charging me for the crossing.

I thought about the coffee cup on the sill, still up there, probably still warm, sitting in the calm the window still showed. Both things were true at once. The lake was calm from the house and the lake was trying to swamp me, and the only difference between those two lakes was where you were standing when you named it. The kitchen names a lake it cannot feel. The middle of the lake feels a lake it will not name. Somewhere between the two is the actual water, and you find that only by being wet in it.

I did not cross to the far trees. That is the honest end of it. I quartered and worked and got maybe a third of the way, took enough water over the side to slosh cold around my ankles in the bilge, read the ranks of gray ridges getting no shorter, and made the other decision a person makes out there — the unglamorous one, the turn for home, letting the wind that had been fighting me now shove me back the way I’d come, fast, the boat surfing the same chop it had been climbing, into the lee of the point where the water went flat again and lied to me all over again about how bad it had been.

I hauled the canoe out and tipped it. The water ran off the gravel and soaked in, and I looked up the slope at the house, at the kitchen window catching the light, a bright blank rectangle from down here, and I could not see the cup on the sill from the water, and the lake behind me had already gone back to hammered tin, flat and calm and shining, with a dark line of ruffled water standing off the point where the wind still worked, exactly where it had been working the whole time I stood at the sill and called it calm.