Assuming you're in the Silva Bay area, then the good news is that with a NW wind the breeze you encounter when you poke your nose out of the bay is likely the most you'll see all day. It routinely blows 5 knots or more harder at Entrance Is that anywhere else across the strait in summer.
I'd have no qualms taking a fixed keel T22 across in those conditions as long as you had no nervous passengers and the ability to easily reef the main.. putting a reef in before you go is probably a good bet - it's always easier to shake one out than put one in in the bumpy stuff.
Your shortest trip across will be due North Magnetic to Gibsons Landing.. about 15 miles, probably on a close-ish to beam reach. Going to Vancouver/False Creek area is more like 22 NM, but you'll be sailing quite a bit lower angle.
If you're nervous about it try getting someone who's got some experience and comfort level to go with you the first time....
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)