← Alcona County

O'Brien Lake

📍 Alcona County, Michigan

O'Brien Lake is a fishing water in Alcona County, Michigan (Northern Lake Huron management unit).

36
Fish species
0
Boat launches
✓
Public access
Conditions today D 44/100 Below-average Last stocked May 4, 2016 Rainbow Trout, 10.5 years ago Keeper size (estimated) No estimate Not enough size data Access 0 boat launches Public access

📊 Fishing Conditions

The fishing conditions score rates how favorable O'Brien Lake looks for the day you pick (today by default), from 0 to 100. It adds up five things: how recently the lake was stocked, the moon phase, the season, how many game and panfish species live here (such as bluegill, brown trout and largemouth bass), and the size of the lake. It does not include the weather forecast. The cards below show how many points each factor contributed.

D
44/100
Sunday, November 1, 2026
Conditions score

Below-average, consider a different lake or time of day.

🎣 Stocking
Last stocked May 4, 2016
Last: May 4, 2016
🌗 Moon Phase
Last Quarter
Feeding bonus
🍃 Season
Late Fall: fish fattening up
November
🐟 Species
9 game/panfish species: outstanding variety
Game & panfish
📐 Lake Size
Size unknown
Surface area

Fishing Tips for O'Brien Lake Today

Fall fish at O'Brien Lake are feeding heavily before winter. Match the forage: shad, crawfish, and perch patterns work well.

📊 Fishing Pressure

Fishing pressure is our estimate of how busy O'Brien Lake is likely to be today. It looks at the day of the week, the time of year, and whether the lake has been stocked recently, because fresh stockings tend to draw anglers. Lower pressure usually means more room to work the water for bluegill, brown trout and largemouth bass.

Moderate estimated pressure today
Weekend Popular stocking lake

Moderate activity expected. Midweek mornings are typically quieter.

Estimate based on day of week, season, and recent stocking. Not a live crowd count.

🐟 Fish Species in O'Brien Lake

Bluegill Good
Lepomis macrochirus
Brown Trout Good
Salmo trutta
Largemouth Bass Good
Micropterus salmoides
Northern Pike Good
Esox lucius
Rainbow Trout Good
Oncorhynchus mykiss
Yellow Perch Good
Perca flavescens
Golden Shiner Good
Notemigonus crysoleucas
Arctic grayling Good
Thymallus arcticus
Brown Bullhead Good
Ameiurus nebulosus
Bluntnose Minnow Good
Pimephales notatus
Brook Silverside Good
Labidesthes sicculus
Brook Stickleback Good
Culaea inconstans
Central Mudminnow Good
Umbra limi
Common Shiner Good
Luxilus cornutus
Emerald Shiner Good
Notropis atherinoides
Fathead Minnow Good
Pimephales promelas
Finescale Dace Good
Phoxinus neogaeus
Golden Redhorse Good
Moxostoma erythrurum
Goldfish Good
Carassius auratus
Lake Chub Good
Couesius plumbeus
Least Darter Good
Etheostoma microperca
Longnose Sucker Good
Catostomus catostomus
Mimic Shiner Good
Notropis volucellus
Mottled Sculpin Good
Cottus bairdii
Ninespine Stickleback Good
Pungitius pungitius
Northern Pearl Dace Good
Margariscus nachtriebi
Northern Redbelly Dace Good
Phoxinus eos
Sand Shiner Good
Notropis stramineus
Shorthead Redhorse Good
Moxostoma macrolepidotum
Slimy Sculpin Good
Cottus cognatus
Spotfin Shiner Good
Cyprinella spiloptera
Spottail Shiner Good
Notropis hudsonius
Threespine Stickleback Good
Gasterosteus aculeatus
Trout-Perch Good
Percopsis omiscomaycus
Western Banded Killifish Good
Fundulus diaphanus
White Sucker Good
Catostomus commersonii
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📅 Best Time to Fish O'Brien Lake

Combined bite activity across all 36 species in this lake.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
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📏 Fishing Regulations

Statewide general rules for the species found here. Individual waters can have exceptions (special size limits, closed seasons, trout lake types), so check this lake's listing in the official DNR Fishing Guide before heading out.
SpeciesMin sizeDaily limit
BluegillNone25 sunfish combined
Brown Trout8" (most inland lakes)5 trout, max 3 over 15"
Largemouth Bass14"5 bass combined
Northern Pike24"2
Rainbow Trout8" (most inland lakes)5 trout, max 3 over 15"
Yellow PerchNone25

📋 O'Brien Lake Stocking Records

Date Species Quantity Size
May 4, 2016 Rainbow Trout 500 6.6"
Apr 26, 2016 Brown Trout 494 7.6"
Apr 23, 2015 Rainbow Trout 500 6.4"
Apr 23, 2015 Brown Trout 501 7.4"
May 5, 2014 Brown Trout 500 5.3"
Apr 28, 2014 Rainbow Trout 532 7.2"
Apr 29, 2013 Rainbow Trout 550 7.0"
Apr 29, 2013 Brown Trout 600 4.8"
May 7, 2012 Brown Trout 636 7.1"
Apr 30, 2012 Rainbow Trout 550 6.4"
May 16, 2011 Brown Trout 450 5.9"
Apr 18, 2011 Rainbow Trout 581 6.2"
Apr 20, 2010 Rainbow Trout 570 6.4"
Apr 6, 2010 Brown Trout 501 6.5"
Apr 28, 2009 Brown Trout 530 5.8"
Apr 23, 2009 Rainbow Trout 590 7.0"
May 7, 2008 Brown Trout 500 6.5"
Apr 25, 2008 Rainbow Trout 571 7.2"
May 23, 2007 Brown Trout 458 8.5"
Apr 23, 2007 Rainbow Trout 590 6.2"
Apr 13, 2006 Brown Trout 580 4.8"
Apr 13, 2006 Rainbow Trout 500 6.3"
Apr 25, 2005 Brown Trout 499 3.9"
Apr 25, 2005 Rainbow Trout 660 6.2"
Apr 23, 2004 Brown Trout 500 6.7"
Showing 25 of 62 stocking records, newest first

* Records shown are from our database. For the most current data, visit the Michigan DNR directly.

📅 Stocking Forecast

Based on 62 historical stocking events at this lake. Next likely stocking window: Apr.
Peak Stocking Months
Apr May Jun
Most Stocked Species
Brown Trout Rainbow Trout Arctic grayling

* Forecast is based on historical DNR data and is not a guarantee of future stocking.

⚓ O'Brien Lake Boat Launches

No launch data on record for this lake. Browse all Michigan boat launches.

💡 Angler Tips for O'Brien Lake

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🌤 Current O'Brien Lake Weather Conditions

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🔗 Resources

📋 DNR Stocking Database 📖 Michigan Fishing Guide (PDF) 🗺 View on Map 📍 Google Maps 🎣 Log a catch here