Ohio
Great Miami River at Hamilton
Current River Rating
Excellent · 93
Conditions look favorable based on the available readings.
Scores are model-specific and are not directly comparable across water types.
Medium confidence
Should I Go?
Go
Recommended Window
Sunday, 7:00 AM–10:00 AM
Why
- Cloud cover is generally suitable for fishing.
- Air temperature is comfortable for fishing.
Favorable Factors
- Light to moderate wind should make casting and boat control easier.
- Recent precipitation has been light.
Timing Evidence
Window confidence: Medium
Current Readings
- Flow
- 1630 CFS
- Gage Height
- 63.17 ft
- Water Temperature
- 82 °F
- Latest current reading
- Sep 5, 2026, 7:30 AM
Updated recently · USGS station 03274000 · Direct monitoring location
Readings from past 7 Days
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Historical readings are provided for context. Readings outside the current freshness window are not used to rate current conditions.
Better Nearby Options
Checking nearby StrikeTracks waters…
Preliminary guidance only. Always assess current weather, access, water depth, current speed, and your own ability before entering the river.
Changing Conditions Advisory
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Weather Near Gauge
Current Weather
Clear
Temperature
72°F
Feels like
77°F
Wind
3 mph S
Wind gust
8 mph
Current precipitation
0.00 in
Updated
Sep 5, 2026, 3:45 AM
Recent Rainfall
Estimated precipitation near this gauge
Last 6 hours
0.00 in
Last 24 hours
0.01 in
Last 48 hours
0.01 in
Little recent rainfall near this river.
Next 24 Hours
Sat 4 AM
Clear
Temp 72°F
Chance 7%
Precip 0.00 in
Wind 3 mph
Sat 8 AM
Partly cloudy
Temp 71°F
Chance 9%
Precip 0.00 in
Wind 11 mph
Sat 12 PM
Clear
Temp 86°F
Chance 8%
Precip 0.00 in
Wind 6 mph
Sat 4 PM
Mostly clear
Temp 88°F
Chance 11%
Precip 0.00 in
Wind 6 mph
Sat 8 PM
Mostly clear
Temp 83°F
Chance 16%
Precip 0.00 in
Wind 7 mph
Sun 12 AM
Clear
Temp 74°F
Chance 4%
Precip 0.00 in
Wind 9 mph
Four-Day Forecast
Sat, Sep 5
Showers
High 92°F / Low 70°F
Chance 20%
Precip 0.16 in
Max gust 23 mph
Sun, Sep 6
Overcast
High 79°F / Low 64°F
Chance 4%
Precip 0.00 in
Max gust 26 mph
Mon, Sep 7
Overcast
High 81°F / Low 57°F
Chance 0%
Precip 0.00 in
Max gust 24 mph
Tue, Sep 8
Overcast
High 89°F / Low 64°F
Chance 0%
Precip 0.00 in
Max gust 18 mph
Weather and rainfall are estimated for this river's coordinates. Local conditions can vary, especially in mountainous terrain and during isolated storms.
Recent rainfall can influence river flow, but the timing and magnitude depend on watershed size, soil conditions, upstream reservoirs, and dam releases.
Weather data: Open-Meteo
Historical Flow
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Fishing Overview
Great Miami River at Hamilton, Ohio. Monitoring-Backed from USGS (live 00010, 00060, 00065). USGS 03274000 is the bounded Hamilton reach, not Troy 03262700, not Dayton 03270500, and not the Little Miami. Flow Context remains default-deny.
Fishery Profile
Documented species you may encounter at Great Miami River.
Species images are AI-generated illustrations for visual reference and may simplify natural variation. Fishery records are based on the cited agency sources. About fish illustrations
Fishery overview
The Great Miami at Hamilton is southwest Ohio's large warmwater river fishery at the Butler County seat. StrikeTracks publishes Monitoring-Backed conditions from USGS 03274000 using live water temperature, discharge, and stage. This is not the Little Miami, not the Ohio River, and not the Troy gauge. Flow Context remains default-deny.
Target species
Smallmouth Bass
Micropterus dolomieu
- Expectation
- Primary
- Population
- Established
- Native status
- native
- Confidence
- High confidence
Great Miami smallmouth at Hamilton. USGS 03274000 live 00010. Not Troy 03262700 and not Little Miami 03240000.
Source: Ohio Department of Natural Resources Division of Wildlife
Channel Catfish
Ictalurus punctatus
- Expectation
- Common
- Population
- Established
- Native status
- native
- Confidence
- High confidence
Great Miami channel catfish at Hamilton.
Source: Ohio Department of Natural Resources Division of Wildlife
Largemouth Bass
Micropterus nigricans
- Expectation
- Common
- Population
- Established
- Native status
- native
- Confidence
- High confidence
Lower Great Miami largemouth in slower Hamilton pools.
Source: Ohio Department of Natural Resources Division of Wildlife
White Bass
Morone chrysops
- Expectation
- Present
- Population
- Established
- Native status
- native
- Confidence
- High confidence
White bass on the lower Great Miami.
Source: Ohio Department of Natural Resources Division of Wildlife
Fishery characteristics
- Composition
- Mixed wild and stocked
- Great Lakes tributary
- No
- Flow regime
- Regulated flow
Large inland Ohio River tributary at Hamilton, downstream of Dayton and upstream of the Ohio River confluence. Distinct from the Little Miami State and National Scenic River.
Best seasons
- Spring
- Summer
- Fall
Common techniques
- Boat fishing
- Fly fishing
- Shore fishing
- Spinning
Access and Public Fishing Rights
Public river access is documented in Hamilton and along the Great Miami recreation trail corridor. Catalog coordinates are USGS 03274000.
Stocking information
Warmwater river fishery. Confirm current ODNR inland stocking and harvest notices.
Official sources
Ohio inland fishing regulations apply. Sauger may be present in lower Great Miami fisheries and is notes-only; sauger is not a StrikeTracks species ID. Confirm current official regulations.
Hatch Match
General fly suggestions
- Popper-style surface flyGeneral warmwater surface family. Not an insect Hatch event.
- Woolly-bugger-style streamerGeneral warmwater streamer family. Not a baitfish Hatch event.
- Crayfish-style flyGeneral subsurface family. Crayfish forage is not a Hatch insect.
These are general fishing suggestions, not a report of insects currently hatching at this destination.
Location and Access
USGS monitoring location
Butler, Ohio
The map marker represents the cataloged waterbody or monitoring location and may not indicate legal parking or public access. Confirm access through the official information before visiting.
River Details
County
Butler
Management Category
Inland warmwater river
Regulation Scope
Great Miami River at Hamilton
Regulation Summary
Great Miami River at Hamilton: Ohio inland fishing regulations. Confirm current official regulations.
Target Species
Smallmouth Bass, Largemouth Bass, Channel Catfish, White Bass
Access, Parking, and Regulations
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