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Omnia Fishing

Grindstone Lake

Published: Updated:

Spring Fishing Patterns on Grindstone Lake

SeasonSpeciesWater TempBehavioral PatternsKey LocationsBest TechniquesForage TypesBait Colors
Spring (Pre-Spawn)Smallmouth Bass42-50
  • Pre-spawn smallmouth are actively transitioning from winter areas to staging locations near spawning flats, moving in loose schools during feeding periods
  • Fish are becoming more active but still responding best to slower presentations, especially during colder periods of the day
  • Fish are showing clear morning bite windows (7-10am) and relating strongly to transition areas between deeper water and shallow flats
  • Rock/sand transitions near spawning flats in 5-12 foot depth range
  • Boulder fields with sharp drops, especially those adjacent to shallow flats
  • Protected gravel/sand flats with nearby deep water access
  • Hard Jerkbaits with long pauses, especially during colder periods
  • Blade Baits worked with a pop-and-pause retrieve along breaks
  • Soft Body Swimbaits (Small/Medium) with steady retrieve in shallow water
  • Finesse Hair Jigs worked slowly along bottom transitions
  • Perch
  • Crawfish
  • Insects
  • Natural Baitfish Colors
  • Natural Craw Colors
  • Dark Neutrals
Spring (Pre-Spawn)Walleye38-48
  • Pre-spawn walleyes staging near spawning areas, actively feeding to build energy reserves
  • Fish moving from wintering areas to shallower staging areas, following perch schools
  • Most active during low-light periods due to moderate to high water clarity
  • Western bays with dark/muck bottom in 8-12 foot depths
  • Transitions between deep winter areas and shallow spawning zones
  • Weed edges in 12-16 foot depths adjacent to spawning areas
  • Live Bait Rigs worked slowly along bottom transitions
  • Vertical Jigging Shallow (0-9') with minnow-tipped jigs
  • Blade Baits worked through suspended fish
  • Yellow Perch concentrating in pre-spawn areas
  • Small baitfish schools transitioning to shallower water
  • Natural Baitfish Colors
  • Purple Colors
  • Dark Neutrals
Spring (Pre-Spawn)Largemouth Bass48-58
  • Largemouth bass are transitioning from winter patterns to pre-spawn staging areas, becoming more active as water temperatures rise
  • Fish are moving from deeper wintering areas to shallower staging points, particularly near spawning bays and coves
  • Feeding activity increases as bass prepare for spawning, with aggressive responses to prey movements
  • Rocky points and transitions adjacent to spawning bays
  • Hard structure (rock piles, boulders) in 8-15 foot depth range
  • Protected shallow bays with emerging vegetation
  • Lipless Crankbaits worked along transitional areas between deep and shallow water
  • Jerkbaits worked slowly over rock piles and points
  • Football Jigs dragged along bottom structure
  • Yellow Perch gathering in pre-spawn areas
  • Crawfish becoming more active as water warms
  • Small baitfish schools in transition areas
  • Natural Baitfish Colors
  • Natural Craw Colors
  • Dark Neutrals
Spring (Spawn)Smallmouth Bass65-70
  • Smallmouth bass are actively spawning and defending beds in shallow water, particularly around rock and sand transitions
  • Fish are highly territorial and aggressive toward intruding baits, with males guarding nests throughout the day
  • Rock and sand transitions in 2-5 feet of water where spawning beds are located
  • Boulder fields adjacent to shallow flats providing staging areas
  • Protected bays with mixed rock and sand bottom composition
  • Ned Rigs worked slowly around visible beds
  • Finesse Jigs pitched directly to bedding fish
  • Tubes dragged slowly through spawning areas
  • Crawfish active in rocky areas
  • Small perch around spawning flats
  • Natural Craw Colors
  • Green Colors
Spring (Spawn)Walleye42-52
  • Walleyes are transitioning into spawning areas, primarily focused on shallow rock and gravel areas in 2-10 feet of water
  • Post-spawn fish showing aggressive feeding behavior, actively pursuing perch schools in western bays
  • Fish activity peaks during low-light periods due to moderate to high water clarity
  • Western bays with dark/muck bottom in 10-foot depths
  • Rocky points and shorelines in 2-8 feet for spawning
  • Transition areas between spawning grounds and deeper water
  • Live Bait Rigs worked slowly along bottom transitions
  • Vertical Jigging Shallow (0-9') with minnow-tipped jigs
  • Blade Baits worked aggressively during active feeding periods
  • Perch - primary forage base confirmed by multiple reports
  • Small Minnows - typical spring forage in northern lakes
  • Natural Baitfish Colors
  • Chartreuse Colors
  • Purple Colors
Spring (Spawn)Largemouth Bass55-65
  • Bass moving into shallow, protected areas (2-6 feet) in coves and bays for spawning
  • Males preparing and guarding nests while females stage on nearby deeper structure
  • Increased activity during warmer parts of day, particularly in protected areas receiving sun
  • Protected shallow bays and coves with hard bottom
  • Secondary points leading into spawning bays
  • Rock piles and boulders in 4-8 feet adjacent to spawning areas
  • Texas Rigs (Pitch/Flip) around visible cover in spawning areas
  • Wacky Rigs worked slowly through spawning flats
  • Soft Jerkbaits for staging fish near deeper structure
  • Crawfish emerging from winter dormancy
  • Small perch in shallow areas
  • Bluegill moving shallow
  • Natural Craw Colors
  • Dark Neutrals
  • Green Colors
Spring (Post-Spawn)Smallmouth Bass62-68
  • Fish are actively feeding in packs around structure edges and transition areas, particularly on sand bar drops near rock reefs
  • Moving between shallow and mid-depth zones (8-12 ft), showing aggressive feeding behavior during prime periods
  • Sand bar drops adjacent to rock reefs, especially on the edges where transitions occur
  • Rock piles in 8-12 foot depth range
  • Break lines near shallow rock structure in 10-foot depth zone
  • Drop Shot with slow swimming retrieval
  • Tubes worked along bottom on 1/4oz jig heads
  • Finesse Hair Jigs hopped on rock piles
  • Minnows actively present around rock structure
  • Crawfish becoming active in rocky areas
  • Natural Baitfish Colors
  • Natural Craw Colors
Spring (Post-Spawn)Walleye48-58
  • Actively schooling and aggressively feeding on perch in western bays, particularly over dark/muck bottom areas in relatively shallow water
  • Fish are highly visible on forward-facing sonar and actively chasing bait schools, indicating peak post-spawn feeding activity
  • Western bays with muck/dark bottom in 10-foot depths
  • Weed edges in 12-16 feet adjacent to deeper water
  • Points and structure that concentrate baitfish based on wind direction
  • Soft Body Swimbaits (Small/Medium) worked around active fish schools
  • Shallow Diving Crankbaits (0-6') targeting active fish in western bays
  • Live Bait Rigs for more subtle presentation during slower periods
  • Perch - primary forage base with large schools present
  • Young of year baitfish beginning to emerge in shallows
  • Natural Baitfish Colors
  • Vibrant Craw Colors
  • Chartreuse Colors
Spring (Post-Spawn)Largemouth Bass58-68
  • Post-spawn largemouth bass are transitioning from spawning areas to early summer patterns, actively feeding to recover energy
  • Fish are becoming more structure-oriented, moving between shallow and moderate depths as they follow forage
  • Morning and evening periods show increased shallow water feeding activity, with fish moving to deeper structure during bright conditions
  • Secondary points and rock piles adjacent to spawning bays
  • Weed edges in 12-16ft near deep water access
  • Hard structure (boulders, rock piles) in 8-15ft transitional areas
  • Texas Rigs (Worming) worked slowly along rock-to-weed transitions
  • Spinnerbaits parallel to weed edges and over rock piles
  • Shallow Diving Crankbaits (0-6') around points and structure
  • Perch moving along weed edges and rock structure
  • Crawfish becoming active on hard bottom areas and rock piles
  • Small baitfish relating to emerging weed growth
  • Natural Craw Colors
  • Dark Neutrals
  • Natural Baitfish Colors

Summer Fishing Patterns

SeasonSpeciesWater TempBehavioral PatternsKey LocationsBest TechniquesForage TypesBait Colors
SummerSmallmouth Bass68-78
  • Smallmouth bass are actively feeding around rocky structure, with distinct shallow and deep patterns. Fish move deeper (12-22') during bright midday periods but push shallow (3-6') during low light conditions.
  • Fish are schooling on distinct structure, particularly around boulder fields and reef edges, with multiple fish often caught from the same spot.
  • Rock piles and boulder fields in 3-6' depth, especially during morning and evening
  • Offshore reefs and rock piles in 12-22' depth during midday
  • Points with mixed rock and sand transitions, particularly those adjacent to deeper water
  • Drop Shot with finesse baits, especially effective on deeper fish
  • Football Jigs worked slowly along bottom in rocky areas
  • Ned Rigs around boulder fields and shallow structure
  • Crawfish - primary forage evidenced by multiple reports and bait effectiveness
  • Small baitfish and insects - particularly around deeper structure
  • Perch - secondary forage particularly around rocky areas
  • Natural Craw Colors
  • Dark Neutrals
  • Green Colors
SummerWalleye65-78
  • Walleyes transition between deep and shallow water daily, following perch schools and utilizing weed edges as primary feeding zones
  • Peak feeding occurs during lower light conditions (dawn/dusk) with moderate clarity encouraging deeper holding patterns during bright days
  • Deep weed edges in 12-16 feet adjacent to deeper water
  • Points and transitions where bottom composition changes from muck to harder bottom
  • Open water areas where wind concentrates baitfish schools
  • Live Bait Rigs worked along weed edges and bottom transitions
  • Trolling Mid Depth (10-19') with crankbaits during daylight hours
  • Vertical Jigging Mid Depth (10-19') when fish are actively feeding on baitfish schools
  • Perch - primary forage base showing strong populations
  • Young-of-year baitfish in and around weed edges
  • Natural Baitfish Colors
  • Purple Colors
  • Light Neutral Colors
SummerLargemouth Bass72-85
  • Largemouth bass are actively feeding on crawfish around submerged vegetation, showing aggressive bottom-oriented feeding patterns
  • Fish are likely establishing summer patterns along deep weedlines (12-16ft) with access to both shallow cover and deeper water
  • Deep weedlines adjacent to deep water (12-16ft)
  • Submerged vegetation in shallow bays and coves
  • Rock piles and boulder areas near vegetation transitions
  • Grass Jigs worked through and around vegetation
  • Texas Rigs (Pitch/Flip) for targeting thick cover
  • Deep Diving Crankbaits (13'+) along deep weed edges
  • Crawfish in and around vegetation and rocky areas
  • Perch relating to weed edges and structure
  • Dark Neutrals
  • Natural Craw Colors
  • Green Colors

Fall Fishing Guide for Grindstone Lake

SeasonSpeciesWater TempBehavioral PatternsKey LocationsBest TechniquesForage TypesBait Colors
FallSmallmouth Bass52-65
  • Actively feeding on a mixed forage base of perch and crawfish, showing increased aggression during fall feeding periods
  • Transitioning between shallow and mid-depth areas, following baitfish movements along rock-to-sand transitions
  • Schooling behavior around key structure, particularly evident on point breaks and boulder fields
  • Rocky points with access to deeper water, especially those with boulder fields
  • Sand-to-rock transition areas in 12-18 foot range
  • Offshore rock piles and reefs adjacent to deeper water
  • Drop Shot with light weights (3/16oz) for a slow fall rate
  • Ned Rigs worked slowly along bottom transitions
  • Tubes dragged through rocky areas
  • Perch - primary forage during fall transition
  • Crawfish - still active in rocky areas
  • Small baitfish schools around points
  • Natural Craw Colors
  • Green Colors
  • Natural Baitfish Colors
FallWalleye48-62
  • Walleyes are actively feeding on perch schools, moving between deep and shallow water following baitfish movements
  • Fish become more aggressive as water cools, with peak activity during low-light periods and wind-driven conditions
  • Deep weed edges in 12-16ft adjacent to deeper water basins
  • Points and structure adjacent to western bays with dark/muck bottom
  • Wind-swept shorelines where baitfish concentrate
  • Vertical Jigging Mid Depth (10-19')
  • Trolling Mid Depth (10-19')
  • Lipless Crankbaits
  • Perch
  • Other small baitfish concentrated by wind patterns
  • Natural Baitfish Colors
  • Metallic Colors
  • Dark Neutrals
FallLargemouth Bass52-65
  • Actively feeding on baitfish and crawfish while transitioning from summer to winter locations, following forage to deeper structures
  • Moving between mid-depth and deep water areas, using rock piles and deep weed edges as primary holding zones
  • Deep weed edges in 12-16ft adjacent to deep water access
  • Rock piles and boulder fields, especially those near depth changes
  • Points and breaks leading to winter holding areas
  • Football Jigs worked slowly along rocky structure
  • Deep Diving Crankbaits (13'+) along deep weed edges
  • Drop Shot near deep structure and suspended fish
  • Yellow Perch schooling near deep structure
  • Crawfish on hard bottom areas
  • Baitfish schools moving to deeper water
  • Natural Craw Colors
  • Natural Baitfish Colors
  • Dark Neutrals

Winter & Ice Fishing Patterns

SeasonSpeciesWater TempBehavioral PatternsKey LocationsBest TechniquesForage TypesBait Colors
WinterWalleye38-42
  • Walleyes concentrate along deep weed edges in 12-16ft adjacent to deep water, using these areas as primary feeding zones
  • Fish are less active during midday, with peak feeding periods during low light conditions due to moderate to high water clarity
  • Deep weed edges in 12-16ft depth range adjacent to deeper water basins
  • Muck bottom areas in western bays where transitions meet deeper water
  • Wind-swept points where baitfish may concentrate
  • Vertical Jigging Mid Depth (10-19')
  • Live Bait Rigs
  • Blade Baits
  • Perch
  • Small Baitfish
  • Natural Baitfish Colors
  • Metallic Colors
IceWalleye34-39
  • Walleyes are actively feeding on perch along deep weed edges, showing selective preference for areas where sparse vegetation meets deeper water
  • Fish are maintaining consistent depth ranges of 12-16 feet, suggesting stable winter patterns with minimal daily movement
  • Weed edges in 12-16ft adjacent to deep water
  • Sparse vegetation areas with good bottom transitions
  • Deep basin areas near weed edge transitions
  • Ice Fishing Spoons worked with aggressive jigging followed by pause
  • Ice Fishing Tip-Ups set along weed edges
  • Ice Fishing Jigs tipped with minnows
  • Perch
  • Small Baitfish in weed edges
  • Natural Baitfish Colors
  • Metallic Colors

Key Seasonal Structures in Grindstone Lake

SeasonSpeciesPrimary StructureSecondary Structure
Spring (Pre-Spawn)Smallmouth BassRock/sand transitions near spawning flats in 5-12 foot depth rangeBoulder fields with sharp drops, especially those adjacent to shallow flats
Spring (Pre-Spawn)WalleyeWestern bays with dark/muck bottom in 8-12 foot depthsTransitions between deep winter areas and shallow spawning zones
Spring (Pre-Spawn)Largemouth BassRocky points and transitions adjacent to spawning baysHard structure (rock piles, boulders) in 8-15 foot depth range
Spring (Spawn)Smallmouth BassRock and sand transitions in 2-5 feet of water where spawning beds are locatedBoulder fields adjacent to shallow flats providing staging areas
Spring (Spawn)WalleyeWestern bays with dark/muck bottom in 10-foot depthsRocky points and shorelines in 2-8 feet for spawning
Spring (Spawn)Largemouth BassProtected shallow bays and coves with hard bottomSecondary points leading into spawning bays
Spring (Post-Spawn)Smallmouth BassSand bar drops adjacent to rock reefs, especially on the edges where transitions occurRock piles in 8-12 foot depth range
Spring (Post-Spawn)WalleyeWestern bays with muck/dark bottom in 10-foot depthsWeed edges in 12-16 feet adjacent to deeper water
Spring (Post-Spawn)Largemouth BassSecondary points and rock piles adjacent to spawning baysWeed edges in 12-16ft near deep water access
SummerSmallmouth BassRock piles and boulder fields in 3-6' depth, especially during morning and eveningOffshore reefs and rock piles in 12-22' depth during midday
SummerWalleyeDeep weed edges in 12-16 feet adjacent to deeper waterPoints and transitions where bottom composition changes from muck to harder bottom
SummerLargemouth BassDeep weedlines adjacent to deep water (12-16ft)Submerged vegetation in shallow bays and coves
FallSmallmouth BassRocky points with access to deeper water, especially those with boulder fieldsSand-to-rock transition areas in 12-18 foot range
FallWalleyeDeep weed edges in 12-16ft adjacent to deeper water basinsPoints and structure adjacent to western bays with dark/muck bottom
FallLargemouth BassDeep weed edges in 12-16ft adjacent to deep water accessRock piles and boulder fields, especially those near depth changes
WinterWalleyeDeep weed edges in 12-16ft depth range adjacent to deeper water basinsMuck bottom areas in western bays where transitions meet deeper water
IceWalleyeWeed edges in 12-16ft adjacent to deep waterSparse vegetation areas with good bottom transitions

Primary Forage by Season

SeasonSpeciesPrimary ForageSecondary Forage
Spring (Pre-Spawn)Smallmouth BassPerchCrawfish
Spring (Pre-Spawn)WalleyeYellow Perch concentrating in pre-spawn areasSmall baitfish schools transitioning to shallower water
Spring (Pre-Spawn)Largemouth BassYellow Perch gathering in pre-spawn areasCrawfish becoming more active as water warms
Spring (Spawn)Smallmouth BassCrawfish active in rocky areasSmall perch around spawning flats
Spring (Spawn)WalleyePerch - primary forage base confirmed by multiple reportsSmall Minnows - typical spring forage in northern lakes
Spring (Spawn)Largemouth BassCrawfish emerging from winter dormancySmall perch in shallow areas
Spring (Post-Spawn)Smallmouth BassMinnows actively present around rock structureCrawfish becoming active in rocky areas
Spring (Post-Spawn)WalleyePerch - primary forage base with large schools presentYoung of year baitfish beginning to emerge in shallows
Spring (Post-Spawn)Largemouth BassPerch moving along weed edges and rock structureCrawfish becoming active on hard bottom areas and rock piles
SummerSmallmouth BassCrawfish - primary forage evidenced by multiple reports and bait effectivenessSmall baitfish and insects - particularly around deeper structure
SummerWalleyePerch - primary forage base showing strong populationsYoung-of-year baitfish in and around weed edges
SummerLargemouth BassCrawfish in and around vegetation and rocky areasPerch relating to weed edges and structure
FallSmallmouth BassPerch - primary forage during fall transitionCrawfish - still active in rocky areas
FallWalleyePerchOther small baitfish concentrated by wind patterns
FallLargemouth BassYellow Perch schooling near deep structureCrawfish on hard bottom areas
WinterWalleyePerchSmall Baitfish
IceWalleyePerchSmall Baitfish in weed edges

Bait Colors by Season for Grindstone Lake

SeasonSpeciesBait Colors
Spring (Pre-Spawn)Smallmouth Bass
  • Natural Baitfish Colors
  • Natural Craw Colors
  • Dark Neutrals
Spring (Pre-Spawn)Walleye
  • Natural Baitfish Colors
  • Purple Colors
  • Dark Neutrals
Spring (Pre-Spawn)Largemouth Bass
  • Natural Baitfish Colors
  • Natural Craw Colors
  • Dark Neutrals
Spring (Spawn)Smallmouth Bass
  • Natural Craw Colors
  • Green Colors
Spring (Spawn)Walleye
  • Natural Baitfish Colors
  • Chartreuse Colors
  • Purple Colors
Spring (Spawn)Largemouth Bass
  • Natural Craw Colors
  • Dark Neutrals
  • Green Colors
Spring (Post-Spawn)Smallmouth Bass
  • Natural Baitfish Colors
  • Natural Craw Colors
Spring (Post-Spawn)Walleye
  • Natural Baitfish Colors
  • Vibrant Craw Colors
  • Chartreuse Colors
Spring (Post-Spawn)Largemouth Bass
  • Natural Craw Colors
  • Dark Neutrals
  • Natural Baitfish Colors
SummerSmallmouth Bass
  • Natural Craw Colors
  • Dark Neutrals
  • Green Colors
SummerWalleye
  • Natural Baitfish Colors
  • Purple Colors
  • Light Neutral Colors
SummerLargemouth Bass
  • Dark Neutrals
  • Natural Craw Colors
  • Green Colors
FallSmallmouth Bass
  • Natural Craw Colors
  • Green Colors
  • Natural Baitfish Colors
FallWalleye
  • Natural Baitfish Colors
  • Metallic Colors
  • Dark Neutrals
FallLargemouth Bass
  • Natural Craw Colors
  • Natural Baitfish Colors
  • Dark Neutrals
WinterWalleye
  • Natural Baitfish Colors
  • Metallic Colors
IceWalleye
  • Natural Baitfish Colors
  • Metallic Colors