How to Grill Tuna Steak
Seafood · Grilling · Updated 2026-08-11
Sear hot and fast; the center should stay rare and ruby for best texture.
🌡️ 500°F grill🥩 115°F internal⏱️ Rest 2 min
Quick answer: Grill tuna steak at 500°F for about 2 minutes per side, pulling at 115°F internal, then rest 2 min.
How long to grill Tuna Steak
Grill at 500°F for about 2 minutes per side (at 1" thick), to an internal temp of 115°F. Rest 2 min.
| Doneness | Internal temp | Time per side |
|---|---|---|
| Rare | 125°F | 1.4 min/side |
| Medium-rare | 135°F | 1.7 min/side |
| Medium | 145°F | 2.0 min/side |
| Medium-well | 150°F | 2.3 min/side |
| Well-done | 160°F | 2.6 min/side |
Thicker cuts need longer; use the calculator to adjust for thickness.
Calculate exact time → Temperature chart
Frequently asked questions
How long to grill tuna steak?
Grill tuna steak about 2 minutes per side at 500°F, until it reaches 115°F internal.
What temperature to grill tuna steak?
Set up the grill for about 500°F at the grate.
What internal temp for tuna steak?
Cook tuna steak to 115°F internal for medium-rare; see the doneness chart for other levels.