Alaska isn’t hard because it’s mysterious; it’s hard because it’s honest. The miles are real, the water is cold enough to focus the mind, and the tide will happily run your schedule if you let it. Most days you’ll be in rain gear, and some mornings you’ll be listening to the world more than seeing it.
Do the paperwork cleanly, keep your ship’s details where you can reach them, and don’t be in a hurry to send anyone ashore until you’re told you’re clear. After that, it’s the usual seamanship: work the weather windows, respect the currents, and keep your eyes open for logs, rocks, and the locals with fins.
If you like quiet anchorages, long evenings, and a good reason to boil the kettle twice, you’ll get along fine up here.