Boat Winterization in Delaware

In Delaware, local boat deadlines run from Nov 8 to Nov 9, with a median around Nov 9 — a spread of weeks that a single statewide date would miss. Find your city below; each links to local freeze odds, a live 10-day outlook, and a checklist.

Jump to a city

Notable cities

All Delaware cities

City	Local deadline	Median first 28°F
Wilmington	Nov 8	Nov 15	View →	Checklist
Dover	Nov 9	Nov 16	View →	Checklist

Back to the national Boat Winterization guide, or see the methodology.

Data: NOAA NCEI 1991–2020 U.S. Climate Normals; live outlook by Open-Meteo. Last updated: July 11, 2026.