Can You Defrost Frozen Fish Fillets In The Microwave. Otherwise, cold water is a fast. 3 ways to thaw frozen salmon water:

Place the fish on a microwave safe plate, cover with a lid, set the timer for 5 mins, and check back often to make sure the fish hasn’t completely overcooked. The dramatic temperature change might shock your fish and mess. It's a terrible way to defrost as far as quality.