Freestone · Mixed · Indiana, US

Trail Creek

Trail Creek terrain map

Trail Creek is Indiana's compact Michigan City tributary with a real Lake Michigan salmon/steelhead run — it has public access sites and is notable because Indiana has far fewer classic steelhead tributary options than Michigan or New York.

Tomorrow · A proper day on the water
Hopper
Forecast · Tomorrow
A proper day on the water
A proper day for it. Work the seams with an upstream nymph, switch to the dry when they show.
75% projected
Today's fly
Hopper
Hopper
Conditions on the water · Tomorrow
Live gauge
Level
Steady
1.98 m
Water temp17.9°C
ClarityClear
Weather23°C
WindN 18 km/h
Pressure1021 hPa
Rain · recent0.0 mm
Rain · ahead0.9 mm

The nearest gauge doesn't record temperatures, so we've estimated it — defer to the river keeper's advice.

Water temperature for Brown Trout
Warm — slow
18°C est.ideal 10–16°C
0°14°28°
How to fish it · for Brown Trout
When
Nymphing can work through most of the day.
Where
Cover mixed depths.
Method
Start with tight-line nymphs and adjust if fish rise or drift higher.
Kit
9 ft #4 rod, floating line, 12 ft tapered leader to 4–5 lb fluoro tippet.
Why this works
Good — water clarity is working for you, but time of day is the limiting factor today.
Likely species
Mayflies
Caddisflies
terrestrials
Hatch timeline · tomorrowPeak at 7am

12pm(now) — Grasshopper (Eastern)

Stage: Terrestrials on topApproach: Dry flyActivity: 95%
Also:Reed Smut63%Trico (Eastern)50%
Peak emergence windowWeather boostDegree-days at peak5 food groups active

Peak activity at 7am — Trico (Eastern) (Trico (Eastern))

Sub-surface · on the nymphunder the surface

Hatch predictions

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Beyond the hatch · worth watchingambient prey(1)

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Evidence
Records-basedModerate confidence

Based on species-occurrence records, not local invertebrate surveys.

Through the year
0–3 scale · September highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Brown DunHatch
2
3
3
3
3
3
3
2
Quill GordonHatch
2
2
Blue QuillHatch
2
3
2
HendricksonHatch
2
2

Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.

Ranked for today
Brown Trout fly box
Permits & access
Permit required — see local rules.
  • Indiana licence and Lake Michigan trout/salmon rules
  • Verify public access sites, ladder/dam exclusion zones and current size/creel rules before launch.
What's coming
Plan ahead
5-day outlook
Other water nearby · 1
St. Joseph River
54 km
Steelhead · Chinook salmon · Coho salmon
About this water

Trail Creek is Indiana's compact Michigan City tributary with a real Lake Michigan salmon/steelhead run — it has public access sites and is notable because Indiana has far fewer classic steelhead tributary options than Michigan or New York. Treat it as access-site driven and rule-sensitive.

  • Mixed
Water quality · US Clean Water Act
  • Aquatic life: Supporting
  • Fish consumption: Impaired
  • Recreation: Impaired
What this classification means

Fish consumption: Consumption advisory (Polychlorinated Biphenyls PCBs) — fish for sport, not the table.

Recreation: Bacteria/pathogen advisory — mind wading cuts and immersion.

EPA ATTAINS assessment unit 'TRAIL CREEK (SALMONID)' (INC0115_01), 2024 Integrated Report. Aquatic Life use: Fully Supporting. Listed impairment causes: Pathogens, Polychlorinated Biphenyls PCBs. This is a Clean Water Act assessment-unit classification (the US analogue of WFD), not a live reading.

Status is for the Clean Water Act assessment unit covering this reach.

EPA ATTAINS (Clean Water Act) · INC0115_01

The full read · show the working · for Brown Trout · confidence 75%
How the 68 is built — score × weight = contribution
Temperature61 × 28%17.1
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time40 × 13%5.2
Pressure80 × 7%5.6
Insect activity48 × 12%5.8
Conditions total= 68
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
Cooler water — back toward the 10–16 °C ideal band — would lift the score and ease welfare.
The dawn and dusk windows score higher than the midday lull.
Related guides
Euro Nymphingsubsurface methods
Booking & contacts