CastScience

East Sister Island, North Harbour Island and North Harbour Island Reef

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
Depth8-20 ft
BottomIsland shoals and reefs; rock and mud (GLAHF)
CurrentNo
River plumeNo
Well-known spotNo
Position41.818, -82.856 (approximate center)

East Sister Island is a provincial nature reserve (Canadian Geographical Names Database); no water rule found

Run from each launch

LaunchRunOpen waterCrossing
Cullen Park (Ohio) crosses the U.S.-Canada boundary33.0 mi27.9 miYes
Lucas County Cooley Canal boat ramp (Ohio) crosses the U.S.-Canada boundary24.7 mi19.6 miYes
Catawba Island State Park (Ohio) crosses the U.S.-Canada boundary16.9 mi8.7 miYes
West Harbor public boat launching ramp (Ohio) crosses the U.S.-Canada boundary18.4 mi6.1 miYes
East Harbor State Park (Ohio) crosses the U.S.-Canada boundary19.0 mi5.8 miYes
Mazurik Access Area (Ohio) crosses the U.S.-Canada boundary19.7 mi9.6 miYes
Dempsey State Fishing Access (Ohio) crosses the U.S.-Canada boundary22.0 mi10.2 miYes
Shelby Street public boat launch (Ohio) crosses the U.S.-Canada boundary26.1 mi10.0 miYes
Put-in-Bay Village public launch (Ohio) crosses the U.S.-Canada boundary11.5 mi4.4 miYes
Middle Bass Island State Park (Ohio) crosses the U.S.-Canada boundary10.3 mi4.5 miYes
Kelleys Island State Park (Ohio) crosses the U.S.-Canada boundary16.1 mi11.5 miYes
William C. Sterling State Park boat launch (Michigan) crosses the U.S.-Canada boundary25.6 mi21.7 miYes
Bolles Harbor boating access site (Michigan) crosses the U.S.-Canada boundary27.3 mi23.8 miYes
Lake Erie Metropark boat launch (Michigan) crosses the U.S.-Canada boundary25.1 mi20.6 miYes
Colchester Harbour (Ontario)12.3 mi10.4 miYes
Cedar Island Marina boat launch, Kingsville (Ontario)14.1 mi11.9 miYes
Leamington Marina boat launch (Ontario)19.5 mi18.0 miYes
Scudder Marina, Pelee Island (Ontario)10.3 mi6.8 miNo

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
  • NOAA U.S. Coast Pilot 6, chapter 6 (Lake Erie), edition of 27 Sep 2026, paragraphs 721-724
    East Sister Shoal least 7 ft; North Harbour Island bank to 9 ft; North Harbour Island Reef least 3 ft, 1.6 mi north of the island
    Source

All areas of Lake Erie (western basin)