CastScience

Colchester Reef and Grecian Shoal

Ranked plans are not available for Lake Erie (western basin) yet: in the backtest on 8 tournament events the winner's area was in the top 3 in 2, and the gate needs 6. The map shows the areas without a ranking; water conditions and the forecast are current.

WaterOntario
Depth13-24 ft
BottomRock reef and shoal (GLAHF rock)
CurrentNo
River plumeNo
Well-known spotNo
Position41.933, -82.893 (approximate center)

About 6 km off Colchester harbour

Run from each launch

LaunchRunOpen waterCrossing
Cullen Park (Ohio) crosses the U.S.-Canada boundary34.0 mi28.8 miYes
Lucas County Cooley Canal boat ramp (Ohio) crosses the U.S.-Canada boundary27.5 mi24.7 miYes
Catawba Island State Park (Ohio) crosses the U.S.-Canada boundary24.9 mi19.8 miYes
West Harbor public boat launching ramp (Ohio) crosses the U.S.-Canada boundary26.5 mi15.6 miYes
East Harbor State Park (Ohio) crosses the U.S.-Canada boundary27.1 mi14.6 miYes
Mazurik Access Area (Ohio) crosses the U.S.-Canada boundary27.9 mi17.2 miYes
Dempsey State Fishing Access (Ohio) crosses the U.S.-Canada boundary30.2 mi17.0 miYes
Shelby Street public boat launch (Ohio) crosses the U.S.-Canada boundary34.3 mi17.6 miYes
Put-in-Bay Village public launch (Ohio) crosses the U.S.-Canada boundary19.7 mi12.1 miYes
Middle Bass Island State Park (Ohio) crosses the U.S.-Canada boundary18.4 mi12.3 miYes
Kelleys Island State Park (Ohio) crosses the U.S.-Canada boundary24.1 mi21.0 miYes
William C. Sterling State Park boat launch (Michigan) crosses the U.S.-Canada boundary22.7 mi20.4 miYes
Bolles Harbor boating access site (Michigan) crosses the U.S.-Canada boundary25.4 mi22.2 miYes
Lake Erie Metropark boat launch (Michigan) crosses the U.S.-Canada boundary18.5 mi11.9 miYes
Colchester Harbour (Ontario)4.2 mi2.6 miNo
Cedar Island Marina boat launch, Kingsville (Ontario)8.2 mi5.0 miNo
Leamington Marina boat launch (Ontario)16.4 mi14.7 miYes
Scudder Marina, Pelee Island (Ontario)14.6 mi13.1 miYes

Run: the distance along the water route. A crossing (the open lake, the border or a long stretch of open water) needs over-water wind under your crossing wind limit (default 15 mph), waves on the route within your wave limit and no small craft advisory.

Evidence
  • MLF and Tackle Warehouse: top baits, Bass Pro Tour Stage 7 at Lake Erie (August 2026) Sun, Aug 9 2026
    Non-winners: smallmouth near the mouth of the Detroit River where grass and rock mix (drop shot, crankbait); Canadian water near Colchester; islands along the Canadian border at 10-12 ft
    Source
  • Canadian Geographical Names Database (Natural Resources Canada), names in the western basin
    Colchester Reef (shoal, 41.9333 N, 82.8932 W) and Grecian Shoal (41.9716 N, 82.9343 W); GLAHF maps rock at both
    Source

All areas of Lake Erie (western basin)