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Join Date: Sep 2005
Location: New Westminster, BC
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Here's a link to an NOAA site with historical data from a central Gulf of Alaska buoy.. maybe not totally relevant but it's some data... you can navigate to other buoys from there, I'm sure.
Not sure where you're planning to start from, inside Vancouver Island in summer winds are typically light, esp in the tighter passages and inlets, also generally in settled conditions any winds tend to die out overnight which makes for mostly pleasant anchoring.
North of Desolation Sound you'll need to be resigned to more marine weather systems, with rain, cloud and/or fog much more predominant.. often low cloud cover that may burn off by midday only to reappear the next morning.
If you're starting from the North, Ketchikan or some such place that may be a slightly different story.. we do have an Alaska based member here on SN (sailak).. hopefully he'll chime in.
1984 Fast/Nicholson 345 "FastForward"
".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)