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Great Lakes lay-up

Michigan winter storage and lay-up plan

Mandatory Winter Lay-Up & Decommissioning Warranty (typically Nov 1 to Apr 15 ashore in heated or shrink-wrapped storage)

Deductible context

1% to 2% standard wind/hull deductible (no hurricane surcharge while on Great Lakes)

NMMA Statistical Abstract

Ports and yards to name in the plan

  • Lake St. Clair / St. Clair Shores / Grosse Pointe
  • Traverse City / Charlevoix / Harbor Springs
  • Grand Haven / Holland / Macatawa / Muskegon
  • Mackinac Straits / Cheboygan

Verify Great Lakes lay-up dates and southern navigation extensions in writing before departing for winter cruising.

Michigan winter lay-up builder

Record the yard, the lay-up start, and the decommissioning items your policy treats as warranty conditions. Operating in the water during a lay-up warranty is a common reason claims are questioned.

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If the boat goes south

A Great Lakes lay-up form is a different worksheet from a Florida named-storm percentage. If this hull will spend hurricane season on the Gulf or the South Atlantic, price that deductible before you leave.

Open the named-storm deductible calculator

Lay-up partner introduction

The storm-plan box starts unchecked. A checked box does not reserve a travel lift.

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Related guides

Storm operations

Hurricane Haul-Out Plans: What Your Insurer Requires

Insurers tie named-storm coverage to written haul-out or evacuation steps. Compare marina contract language, lead times, and out-of-pocket haul costs.

11 min read · Reviewed November 4, 2026 · FL, TX, NC, SC