FrostList

Boat Winterization in Michigan

In Michigan, local boat deadlines run from Oct 16 to Nov 2, with a median around Oct 25 — 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.

Notable cities

All Michigan cities

CityLocal deadlineMedian first 28°F
Grand RapidsOct 16Oct 23View →Checklist
Ann ArborOct 16Oct 23View →Checklist
FlintOct 16Oct 23View →Checklist
WyomingOct 16Oct 23View →Checklist
KentwoodOct 16Oct 23View →Checklist
LansingOct 20Oct 27View →Checklist
Farmington HillsOct 20Oct 27View →Checklist
SouthfieldOct 20Oct 27View →Checklist
NoviOct 20Oct 27View →Checklist
LivoniaOct 21Oct 28View →Checklist
Dearborn HeightsOct 21Oct 28View →Checklist
Lincoln ParkOct 21Oct 28View →Checklist
East LansingOct 23Oct 30View →Checklist
MidlandOct 24Oct 31View →Checklist
KalamazooOct 25Nov 1View →Checklist
St. Clair ShoresOct 25Nov 1View →Checklist
Battle CreekOct 25Nov 1View →Checklist
RosevilleOct 25Nov 1View →Checklist
PortageOct 25Nov 1View →Checklist
MuskegonOct 26Nov 2View →Checklist
Sterling HeightsOct 27Nov 3View →Checklist
SaginawOct 27Nov 3View →Checklist
TroyOct 28Nov 4View →Checklist
Rochester HillsOct 28Nov 4View →Checklist
PontiacOct 28Nov 4View →Checklist
DearbornOct 30Nov 6View →Checklist
WestlandOct 31Nov 7View →Checklist
TaylorOct 31Nov 7View →Checklist
DetroitNov 2Nov 9View →Checklist
WarrenNov 2Nov 9View →Checklist
Royal OakNov 2Nov 9View →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.