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Fishing Georgian Bay - Penetanguishene Bay: what the data says
923-acre section. The long protected harbour off Penetanguishene at the SE corner of Georgian Bay: pike and bass in the weedy shallows, walleye and panfish on the drops. The lake tops out around 20 ft. The depth chart is built from real NOAA hydrographic survey soundings, so the humps, channels and drop-offs you see are measured, not guessed. Here is how the season plays out for each species, straight from the data behind the map.
Smallmouth Bass fishing at Georgian Bay - Penetanguishene Bay
Spring smallmouth bass on Georgian Bay - Penetanguishene Bay hold shallow, usually 3 to 12 ft. By summer they slide out to 6 to 20 ft, and by winter most fish are in 6 to 20 ft. Sharp break is the standout, a drop-off at roughly 19 ft, rated prime for winter smallmouth bass. Plan around early morning and the evening in the warm months. Summer baits: a drop shot (goby/minnow) or a ned rig gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Ned rig, Tube jig |
| Summer | 6 to 20 ft | dawn & dusk | Drop shot (goby/minnow), Ned rig |
| Fall | 6 to 20 ft | midday & dawn | Jerkbait, Blade bait |
| Winter | 6 to 20 ft | midday | Blade bait, Hair jig |
Largemouth Bass fishing at Georgian Bay - Penetanguishene Bay
Spring largemouth bass on Georgian Bay - Penetanguishene Bay hold shallow, usually 2 to 10 ft. They move out to 8 to 20 ft in summer and finish the year down in 6 to 20 ft. If you only fish one area, make it Weed flat: a weed flat around 4 ft that scores prime in spring. Best bite is early morning and the evening. Summer baits: a texas-rigged 10" worm or a deep-diving crankbait gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 8 to 20 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 6 to 20 ft | midday | Blade bait, Jigging spoon |
Northern Pike fishing at Georgian Bay - Penetanguishene Bay
Start shallow in spring: northern pike sit in 2 to 8 ft that time of year. They move out to 8 to 20 ft in summer and finish the year down in 5 to 15 ft. Weed flat is the standout, a weed flat at roughly 4 ft, rated prime for spring northern pike. In summer the feeding windows fall in early morning and the evening. Summer baits: a bucktail or a weedless spoon over cabbage gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Tip-ups, Large jigging spoon |
Muskellunge fishing at Georgian Bay - Penetanguishene Bay
Spring muskellunge on Georgian Bay - Penetanguishene Bay hold shallow, usually 3 to 12 ft. Summer pushes them deeper, 6 to 20 ft, and winter fish settle into 6 to 20 ft. If you only fish one area, make it Sharp break: a drop-off around 19 ft that scores prime in fall. Plan around the evening and early morning in the warm months. Tie on a double-10 bucktail or a topwater (walk-the-dog / creeper) and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dusk | Smaller bucktail (#8 blades), 6" glide bait |
| Summer | 6 to 20 ft | dusk & dawn | Double-10 bucktail, Topwater (walk-the-dog / creeper) |
| Fall | 5 to 20 ft | midday & dusk | Big rubber (Bull Dawg style), 10"+ glide bait |
| Winter | 6 to 20 ft | midday | Large rubber, crawled slow |
Walleye fishing at Georgian Bay - Penetanguishene Bay
Spring walleye on Georgian Bay - Penetanguishene Bay hold shallow, usually 4 to 15 ft. Summer pushes them deeper, 6 to 20 ft, and winter fish settle into 6 to 20 ft. The spot to know is Gravel shoal, a gravel shoal in about 5 ft of water that rates prime for walleye in spring. In summer the feeding windows fall in the evening and early morning. Tie on a crawler harness on bottom bouncer or a deep crankbait (trolled) and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | 1/8 oz jig + minnow, Hair jig |
| Summer | 6 to 20 ft | dusk & dawn | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 6 to 20 ft | dusk & night | Jigging rap, Jig + big minnow |
| Winter | 6 to 20 ft | dusk & dawn | Jigging spoon + minnow head, Rattle bait |
Yellow Perch fishing at Georgian Bay - Penetanguishene Bay
Start shallow in spring: yellow perch sit in 3 to 12 ft that time of year. By summer they slide out to 6 to 20 ft, and by winter most fish are in 6 to 20 ft. The spot to know is Weed flat, a weed flat in about 4 ft of water that rates prime for yellow perch in spring. Plan around early morning in the warm months. Summer baits: a drop-shot micro plastics or a small spoon tipped with worm gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 6 to 20 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 6 to 20 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 6 to 20 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Georgian Bay - Penetanguishene Bay also holds crappie (6 to 20 ft in summer), pumpkinseed (2 to 10 ft in summer), rock bass (5 to 20 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Notable structure
- Deepest basin: deep basin, around 19 ft
- Sharp break: drop-off, around 19 ft
- Sharp break: drop-off, around 19 ft
- Sharp break: drop-off, around 17 ft
- Weed flat: weed flat, around 6 ft
- Gravel shoal: gravel shoal, around 5 ft
- Weed flat: weed flat, around 4 ft
- Weed flat: weed flat, around 4 ft
- Gravel shoal: gravel shoal, around 2 ft
Common questions
How deep is Georgian Bay - Penetanguishene Bay?
Georgian Bay - Penetanguishene Bay is about 20 ft at its deepest point. The depth chart here comes from real NOAA hydrographic surveys, so the contours reflect measured depths.
What fish are in Georgian Bay - Penetanguishene Bay?
Anglers target largemouth bass, smallmouth bass, walleye, northern pike, crappie, muskellunge, yellow perch, rock bass, pumpkinseed on Georgian Bay - Penetanguishene Bay.
Where is the best fishing spot on Georgian Bay - Penetanguishene Bay?
Sharp break is the top-rated area: a drop-off in about 19 ft of water that rates prime for smallmouth bass in winter. Open the map above to see every rated spot for each species and season.
When is the best time to fish Georgian Bay - Penetanguishene Bay?
For smallmouth bass, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
St. Andrews Lake · Farlain Lake · Kettle's Lake · Georgian Bay - Midland Bay · Little Lake · Macey Lake
See how Georgian Bay - Penetanguishene Bay stacks up: best largemouth bass lakes in Ontario · best smallmouth bass lakes in Ontario · best walleye lakes in Ontario · best northern pike lakes in Ontario
Browse all Ontario fishing maps or every water on DepthScout. Bathymetry credit: NOAA hydrographic surveys. How we build these maps. For fishing guidance only, never navigation.