Are marine heat waves the new normal for the Pacific Ocean?By Cassandra Profita (OPB)Dec. 23, 2020 2 p.m.THANKS TO OUR SPONSOR:Become a Sponsor📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up