Lake · Ohio
Grand Lake St. Marys near Celina
Current Lake Rating
Point-in-time lake rating — separate from the trip recommendation below.
Fair
This condition rating is estimated because current on-water monitoring is not available.
Estimated Conditions
Estimated from available current readings, weather, seasonal patterns, destination characteristics, and historical conditions. Some important on-water measurements may be unavailable.
Rating confidence: Low
Should I Go?
Consider
Fishing guidance for this destination based on available lake conditions, weather, and seasonal context. It is not a boating, swimming, ice, or access-safety rating.
Recommendation confidence: Low
Why
- Current water-level and water-temperature observations are not available.
- StrikeTracks is showing a provisional Estimated Conditions rating from accepted secondary evidence.
- Available atmospheric evidence is favorable for provisional Estimated fishing suitability; the public rating is capped by the accepted Estimated evidence path and confidence policy.
Current Readings
- Water level
- 870.75 ft
- Change over 24 hours
- +0.01 ft
- Trend
- Stable
- Last updated
- 1 hr ago
Source: USGS · Grand Lake St Marys near Celina OH · 403204084342601 · Elevation, lake/res, NAVD88
Better Nearby Options
Checking nearby StrikeTracks waters…
Weather Near Lake
Current Weather
Overcast
Temperature
73°F
Feels like
79°F
Wind
8 mph SE
Wind gust
12 mph
Current precipitation
0.00 in
Updated
Sep 5, 2026, 4:15 AM
Recent Rainfall
Estimated precipitation near this lake
Last 6 hours
0.00 in
Last 24 hours
0.00 in
Last 48 hours
0.00 in
Little recent rainfall near this lake.
Next 24 Hours
Sat 5 AM
Overcast
Temp 74°F
Chance 20%
Precip 0.00 in
Wind 3 mph
Sat 9 AM
Clear
Temp 74°F
Chance 13%
Precip 0.00 in
Wind 11 mph
Sat 1 PM
Partly cloudy
Temp 85°F
Chance 8%
Precip 0.00 in
Wind 7 mph
Sat 5 PM
Mostly clear
Temp 84°F
Chance 12%
Precip 0.00 in
Wind 9 mph
Sat 9 PM
Clear
Temp 74°F
Chance 6%
Precip 0.00 in
Wind 13 mph
Sun 1 AM
Clear
Temp 68°F
Chance 0%
Precip 0.00 in
Wind 9 mph
Four-Day Forecast
Sat, Sep 5
Drizzle
High 85°F / Low 70°F
Chance 28%
Precip 0.02 in
Max gust 23 mph
Sun, Sep 6
Overcast
High 77°F / Low 63°F
Chance 0%
Precip 0.00 in
Max gust 20 mph
Mon, Sep 7
Overcast
High 75°F / Low 55°F
Chance 0%
Precip 0.00 in
Max gust 20 mph
Tue, Sep 8
Drizzle
High 83°F / Low 60°F
Chance 1%
Precip 0.01 in
Max gust 26 mph
Weather and rainfall are estimated for this lake's coordinates. Local conditions can vary, especially in mountainous terrain and during isolated storms.
Recent rainfall can influence lake level and access, but the timing and magnitude depend on watershed size, soil conditions, and reservoir operations where applicable.
Weather data: Open-Meteo
Lake Elevation History
Elevation is reported relative to the datum used by this USGS monitoring site. Elevations from different lakes or datums should not be directly compared.
Loading historical elevation…
Fishery Profile
Documented species you may encounter at Grand Lake St. Marys.
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
Grand Lake St. Marys near Celina is Ohio’s large, shallow western canal-era lake inside the state park, not Lake Erie and not Indian Lake. ODNR lists largemouth, white and black crappie, bluegill, walleye, channel and flathead catfish, and yellow perch. Triploid saugeye stocking is mentioned in ODNR news and is stocking context only.
Target species
Largemouth Bass
Micropterus nigricans
- Expectation
- Primary
- Population
- Established
- Native status
- native
- Confidence
- High confidence
ODNR Grand Lake St. Marys State Park fishing list includes largemouth bass.
Black Crappie
Pomoxis nigromaculatus
- Expectation
- Common
- Population
- Established
- Native status
- native
- Confidence
- High confidence
ODNR lists black crappie among Grand Lake St. Marys sport fish.
Bluegill
Lepomis macrochirus
- Expectation
- Common
- Population
- Established
- Native status
- native
- Confidence
- High confidence
ODNR lists bluegill among Grand Lake St. Marys sport fish.
Channel Catfish
Ictalurus punctatus
- Expectation
- Common
- Population
- Established
- Native status
- native
- Confidence
- High confidence
ODNR lists channel catfish among Grand Lake St. Marys sport fish.
Walleye
Sander vitreus
- Expectation
- Common
- Population
- Stocked
- Native status
- native
- Confidence
- High confidence
ODNR lists walleye among Grand Lake St. Marys sport fish.
White Crappie
Pomoxis annularis
- Expectation
- Common
- Population
- Established
- Native status
- native
- Confidence
- High confidence
ODNR lists white crappie among Grand Lake St. Marys sport fish.
Flathead Catfish
Pylodictis olivaris
- Expectation
- Present
- Population
- Established
- Native status
- native
- Confidence
- High confidence
ODNR lists flathead catfish among Grand Lake St. Marys sport fish.
Yellow Perch
Perca flavescens
- Expectation
- Present
- Population
- Established
- Native status
- native
- Confidence
- High confidence
ODNR lists yellow perch among Grand Lake St. Marys sport fish.
Fishery characteristics
- Composition
- Mixed wild and stocked
Very large, shallow Mercer/Auglaize inland lake with state-park shoreline, canals, and open flats. Productive warmwater habitat rather than a deep glacial lake.
Best seasons
- Spring
- Summer
- Fall
Common techniques
- Boat fishing
- Shore fishing
- Spinning
- Trolling
Access and Public Fishing Rights
Grand Lake St. Marys State Park provides public ramps and bank fishing at Celina and around the lake. Catalog coordinates are the USGS elevation site. Confirm current ODNR park and ramp notices.
Stocking information
ODNR inland hatcheries support walleye and other sport fish. Triploid saugeye stocking has been reported in ODNR news; saugeye is not a StrikeTracks species ID. Confirm current official stocking records.
- Stocked
Walleye
Stocked · Ohio Department of Natural Resources
Official sources
Ohio inland fishing regulations apply. Confirm current ODNR seasons and limits. Saugeye, if encountered, follow current inland perciform rules and are not listed as a catalog species ID.
Location and Access
Cataloged lake location
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.
Lake Details
Management Category
Shallow canal-era inland lake
Regulation Scope
Grand Lake St. Marys near Celina
Regulation Summary
Ohio inland fishing regulations apply at Grand Lake St. Marys State Park. Confirm current official seasons and limits. Saugeye may be stocked; they are not a StrikeTracks species ID.
Target Species
Largemouth Bass, Black Crappie, White Crappie, Bluegill, Walleye, Channel Catfish, Flathead Catfish, Yellow Perch
Public Access
Public
Boat Launch
Available
Shore Fishing
Available
Description
Grand Lake St. Marys near Celina, Ohio, USGS 403204084342601. Coordinates are the USGS monitoring-location point. Current continuous values are lake/reservoir elevation only (lake/reservoir elevation NGVD29 (62614); lake/reservoir elevation NAVD88 (62615)); the app currently displays flow, gage height, and water temperature, so live in-app readings may be empty until elevation support is added. Western Ohio state-park lake with largemouth, crappie, bluegill, walleye, catfish, and yellow perch.
