Deductible context
1% to 2% standard wind/hull deductible (no hurricane surcharge while on Great Lakes)
NMMA Statistical Abstract
Great Lakes lay-up
Mandatory Winter Lay-Up & Decommissioning Warranty (typically Nov 1 to Apr 15 ashore in heated or shrink-wrapped storage)
1% to 2% standard wind/hull deductible (no hurricane surcharge while on Great Lakes)
NMMA Statistical Abstract
Verify Great Lakes lay-up dates and southern navigation extensions in writing before departing for winter cruising.
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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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 calculatorStorm operations
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