Spirit Lake fishing conditions · Iowa

Now until 6 amMuskellunge

The bite peaks at 87.

Log a trip here
Right now: 87 for muskellunge, go · inside the best windowTap or drag along the water to move through the next 36 hours

Muskellunge, hour by hour

Each float is an hour. The deeper it rides, the better the bite. The strip underneath runs daylight, dusk and dark; the red rule marks the best window. Click any hour to read it.

  1. 872 am
  2. 83
  3. 83
  4. 835 am
  5. 73
  6. 66
  7. 708 am
  8. 70
  9. 66
  10. 6611 am
  11. 66
  12. 70
  13. 772 pm
  14. 73
  15. 73
  16. 735 pm
  17. 77
  18. 73
  19. 738 pm
  20. 73
  21. 31
  22. 3111 pm
  23. 31Tue
  24. 77
  25. 772 am
  26. 76
  27. 76
  28. 765 am
  29. 76
  30. 76
  31. 768 am
  32. 76
  33. 80
  34. 7611 am
  35. 76
  36. 76
Go, 85+Worth the trip, 70+Marginal, 55+Sit it out

Right now · best window

Water
No reading

Muskellunge range 55–78°

Wind
15 mph

From the northeast

Light
Dark

Sunrise 7:47 am

Sky
Rain Showers Likely

60% chance of rain

Air
42°F

NWS hourly forecast

Barometer
Falling

Measured, last 3 hours

Moon
100% lit

Full

What’s biting

Each species is scored against its own water-temperature range and tide preference, then wind, weather and warnings. The rules are Iowa non-tidal regulations for these waters.

Muskellunge

Muskellunge

Esox masquinongy

87GoNow until 6 am

Water

No water reading here right now. Muskellunge bite in 55–78° water, best near 68°.

Why

Fish feed actively ahead of a pressure drop. Muskellunge feeds aggressively under full moon. Light chop — baitfish active, fish willing to feed. Holds 10–40 ft down.

Keep

40" minimum · 1 a day

Open. Keep fish within the limits. Iowa: 40" minimum, 1 muskellunge or tiger muskie a day. Open all year except on Spirit Lake, the Okobojis and the Minnesota boundary lakes (May 21–Nov 30).

Verified Oct 23, 2026 · Iowa non-tidal

Season here: May–Oct, estimated from local air temperature, 2023–2025; there is no water gauge here. More on muskellunge

Walleye

Walleye

Sander vitreus

75Worth the tripNow until 6 am

Water

No water reading here right now. Walleye bite in 50–72° water, best near 62°.

Why

Fish feed actively ahead of a pressure drop. Light chop — baitfish active, fish willing to feed. Holds 10–40 ft down.

Keep

5 a day

Open. Keep fish within the limits. Iowa inland waters: 5 walleye, sauger and saugeye a day combined, no statewide minimum. Spirit Lake and the Okobojis protect walleye from 19 to 25" (3 a day); the Mississippi River is 15" with a 20–27" protected slot (6 a day).

Verified Oct 23, 2026 · Iowa non-tidal

Season here: Apr–May, Oct–Nov, estimated from local air temperature, 2023–2025; there is no water gauge here. More on walleye

Yellow Perch

Yellow perch

Perca flavescens

75Worth the tripNow until 6 am

Water

No water reading here right now. Yellow perch bite in 45–70° water, best near 58°.

Why

Fish feed actively ahead of a pressure drop. Light chop — baitfish active, fish willing to feed. Holds 5–30 ft down.

Keep

25 a day

Open. Keep fish within the limits. Iowa: 25 yellow perch a day, 50 in possession, no size limit (no limit on the Missouri River).

Verified Oct 23, 2026 · Iowa non-tidal

Season here: Mar–May, Oct–Dec, estimated from local air temperature, 2023–2025; there is no water gauge here. More on yellow perch

Smallmouth Bass

Smallmouth bass

Micropterus dolomieu

75Worth the tripNow until 6 am

Water

No water reading here right now. Smallmouth bass bite in 55–78° water, best near 68°.

Why

Fish feed actively ahead of a pressure drop. Light chop — baitfish active, fish willing to feed. Holds 3–30 ft down.

Keep

15" minimum · 3 a day

Open. Keep fish within the limits. Iowa public lakes: 15" minimum, 3 black bass a day combined (6 in possession). Interior streams are 12"; the Mississippi River is 14" and 5 a day.

Verified Oct 23, 2026 · Iowa non-tidal

Season here: Apr–Oct, estimated from local air temperature, 2023–2025; there is no water gauge here. More on smallmouth bass

Common Carp

Common carp

Cyprinus carpio

75Worth the tripNow until 6 am

Water

No water reading here right now. Common carp bite in 52–86° water, best near 72°.

Why

Fish feed actively ahead of a pressure drop. Light chop — baitfish active, fish willing to feed. Holds 1–15 ft down.

Keep

no daily limit

Open. Keep fish within the limits. Iowa: "All Other Fish", common carp included, have a continuous season, no length limit and no daily or possession limit.

Verified Oct 18, 2026 · Iowa non-tidal

Last checked 8 days ago. Rules may have changed.

Season here: May–Oct, estimated from local air temperature, 2023–2025; there is no water gauge here. More on common carp

The water

  • Water temperatureNo reading
  • Barometer30.42 inHg, falling

Sun, moon & solunar

  • Sunrise today7:47 am
  • Sunset today6:20 pm
  • MoonFull, 100% lit
  • Minor solunarToday 8:00 am–9:00 am
  • Major solunarToday 12:20 pm–2:20 pm
  • Minor solunarToday 5:50 pm–6:50 pm

Solunar tables are a popular heuristic. A peer-reviewed test found they don’t predict catch on their own, so here they only nudge the score when the tide or moon already agree. How the score works

Fishing report

No current report covers these waters.

We only show reports an agency has published, with their date. Iowa DNR publishes a report for the state.

Licenses and rules: Iowa DNR · fish-consumption advisories

About this spot

The largest natural lake in Iowa — the headline water of the Iowa Great Lakes near the Minnesota line. A destination walleye fishery with jumbo yellow perch, muskellunge, and smallmouth bass over its rock and gravel. Fished hard from boats and through the ice, with multiple state-managed public accesses.

Walleye from 19 to 25" must be released; 3 a day, only 1 over 25". Walleye are closed Feb 15 until the first Saturday in May. Muskie 40" minimum, open May 21–Nov 30.

Nearby

Public spots within 40 miles, with the same 36 hours of floats.

West Okoboji Lake5 mi · IowaBest tomorrow 1 am–2 pm
80Worth the trip

Questions people ask

Do I need a fishing license to fish at Spirit Lake?

Yes (anglers age 16 and older). To fish at Spirit Lake you need the appropriate state fishing license. See the agency's current rules: the state agency website

What fish are commonly targeted at Spirit Lake?

Spirit Lake is listed on this site for 5 commonly-targeted species: Walleye, Yellow Perch, Muskellunge, Smallmouth Bass, and 1 more. Which species is currently in season and which is scoring highest today is shown in the per-species ranking on this page.

When is the best time to fish at Spirit Lake?

It depends more on the species and the day's conditions than on a fixed "best hour." Water temperature, weather, and — at tidal locations — the stage of the tide drive activity most. The per-species ranking on this page scores every target species at Spirit Lake against today's live conditions, so the fish near the top are your best bets right now; check back as conditions change through the day.

What kind of access does Spirit Lake have?

Spirit Lake has multiple access types — pier, shoreline, and at least one public boat ramp. Walleye from 19 to 25" must be released; 3 a day, only 1 over 25". Walleye are closed Feb 15 until the first Saturday in May. Muskie 40" minimum, open May 21–Nov 30.

Which state's fishing regulations apply at Spirit Lake?

state agency regulations apply at Spirit Lake. Size limits, creel limits, and seasonal closures are listed per species on each species page. Always confirm against the agency source linked from each regulation block — emergency closures can take effect mid-season.

Is Spirit Lake tidal water?

No. Spirit Lake is non-tidal — water level varies with rainfall, seasonal flow, and (where applicable) upstream dam releases rather than tidal exchange.