Environment Canada, Canada's national weather forecaster, provides this detailed, highly informative guide to weather patterns on the B.C. coast, including helpful tips for mariners.
Sample page covering Kelsey Bay (Johnstone Strait) winds |
It has been "archived", so not all that easy to search for; here is the direct link to the pdf file (click to download): http://publications.gc.ca/collections/collection_2016/eccc/En56-240-3-2015-eng.pdf
IF the above link is broken, use this link to download:
https://drive.google.com/open?id=12e12WMP7GlHqbyHkBoayfXxxEnBVjfVR