You’ll usually smoke salmon for about 45 minutes to 4 hours , but the right way is to cook by internal temperature, not just the clock.

How Long to Smoke Salmon (Hot Smoking)

For most home smokers (pellet, electric, charcoal), you’re doing hot smoked salmon , which both cooks and smokes the fish.

Core timing rules

  • Target internal temp:
    • 130–140°F for moist, silky salmon (common for BBQ-style hot-smoked).
* 145°F if you want to follow the typical food-safety guideline to the letter.
  • Usual smoker temp range:
    • 180–200°F is a common “low and slow” range.
* 225°F is a popular set‑and‑forget setting on many pellet grills.

Approximate cook times (hot smoking)

These are ballpark times once the salmon is on the smoker:

  • 1–2 lb fillet, 180–200°F:
    • About 45 minutes to 1½ hours.
  • 2–3 lb fillet, 180–200°F:
    • About 1½ to 3 hours.
  • Single fillet at 225°F:
    • About 3–4 hours to around 140–145°F internal.
  • Pellet grill example (160–175°F):
    • Around 3 hours total to 145°F, starting at 160°F then nudging up to 175°F.

A good mental model:

  • Thin, small fillet → closer to 45–60 minutes.
  • Big, thick fillet → closer to 2–3+ hours.

Why time varies so much

Several factors change “how long to smoke salmon”:

  • Thickness of the fillet
    • A thin tail piece might finish in under an hour; a thick center‑cut or big king salmon fillet can take several hours.
  • Smoker temperature
    • Lower temps (150–180°F) = more time but gentler texture.
* Higher temps (around 225°F) = faster cook, usually 3–4 hours.
  • Starting temperature of the fish
    • Straight from the fridge vs closer to room temp will shift the time.

Because of all that, use time only as a guideline; rely on a thermometer for doneness.

Quick step‑by‑step (hot smoked salmon)

This is a high‑level flow you can adapt to most smokers:

  1. Brine or dry brine (optional but common)
    • Many recipes cure/brine the salmon anywhere from 4–8 hours for smaller/thinner fillets , up to 24–36 hours for thick pieces , then rinse and dry.
 * Let it dry in the fridge until slightly tacky (pellicle) so the smoke sticks better.
  1. Preheat the smoker
    • Choose your style:
      • 180–200°F for a classic low‑temp smoke.
   * 225°F for a slightly faster cook.
   * Or 160°F for the first hour, then bump to around 175°F, as some pellet‑grill cooks do.
  1. Smoke the salmon
    • Put salmon on the grates, skin side down.
 * Insert a probe into the thickest part.
 * Smoke until the center reaches **130–145°F** , which will usually be **45 minutes to 4 hours** depending on size and temp.
  1. Rest and serve
    • Let it rest a few minutes.
    • Serve warm, room temp, or chilled—hot smoked salmon is versatile and keeps about up to 7 days in the fridge if well sealed.

Cold-smoked salmon time (for context)

If you were thinking of cold-smoked salmon (lox‑style):

  • The fish is cured for many hours to days (often 8–36+ hours depending on thickness).
  • Then it’s exposed to smoke at much lower temps (usually under 90°F) for many hours , often in the range of 6–24 hours or more , depending on the specific method and setup.

This is a more advanced process with stricter food‑safety considerations, so most beginners start with hot smoking.

SEO-style quick notes for your post

  • Try to naturally use phrases like “how long to smoke salmon,” “hot smoked salmon time,” “smoker temp and internal temp for salmon” a few times in headings and body.
  • Include a short meta description like:
    • “Learn how long to smoke salmon based on fillet size and smoker temperature, plus internal temp targets for juicy, perfectly smoked salmon.”

TL;DR

  • General answer:
    • 45 minutes to 4 hours depending on fillet size and smoker temperature.
  • Internal temp rules:
    • Pull at 130–140°F for moist texture, up to 145°F for a firmer, fully done result.

If you tell me your smoker temp and about how thick your salmon is, I can narrow it down to a much tighter time window.