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How to Thaw Salmon

Fridge thawing (8-12 hours) keeps the best texture because the flesh defrosts slowly and evenly without any part of the fillet warming up too much. Cold water method (30-60 min in a sealed bag, changing water every 15 minutes) is the fastest safe option when you forgot to plan ahead. Never thaw salmon at room temperature - the outside enters the danger zone (40-140F) while the center is still frozen, giving bacteria a head start on the surface. Microwave thawing causes uneven cooking because thin edges start cooking while thick center sections are still icy, and the texture turns rubbery in the spots that overheated.

By the CookTimeGuide Editorial TeamKitchen-tested Jan 2026USDA verified

Keep sealed in a leak-proof bag when thawing in cold water. Cook within 1-2 days of fridge thawing.

CutFridgeCold Water

Salmon Fillet (6-8 oz)

0.4-0.5 lbs

8-12 hrs0.5-1 hrs

Whole Salmon Side (2-3 lbs)

2-3 lbs

12-24 hrs2-3 hrs

Fridge Rule

8-12 hours per lb

Cook from Frozen?

Yes (+50% time)

Frequently Asked Questions

How long does it take to thaw Salmon?

Thawing time depends on the cut and method: Salmon Fillet (6-8 oz): 8-12 hours in fridge, 0.5-1 hours in cold water; Whole Salmon Side (2-3 lbs): 12-24 hours in fridge, 2-3 hours in cold water.

Can I thaw Salmon at room temperature?

No. Never thaw Salmon at room temperature. Bacteria grow rapidly between 40-140°F. Use the refrigerator, cold water, or microwave methods only.

Can I cook Salmon from frozen?

Yes, you can cook Salmon from frozen. Add approximately 50% more cooking time (multiply by 1.5x). Always verify internal temperature.

How to defrost Salmon quickly?

The fastest safe method is cold water thawing: seal Salmon in a leak-proof bag and submerge in cold water, changing the water every 30 minutes. This is significantly faster than fridge thawing.

Can I refreeze Salmon after thawing?

Salmon thawed in the refrigerator can be safely refrozen within 1-2 days, though quality may decrease. Never refreeze Salmon thawed by cold water or microwave methods without cooking first.