Minnesota · Washington County
Big Marine Lake Ice-Out Dates
The ice usually goes out of Big Marine Lake around April 8 — the second week of April. Earliest ever: March 31 (2007). Latest: April 25 (2014).
April 8Usually around
March 31Earliest ever (2007)
April 25Latest ever (2014)
5Years of record (2005–2026)
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
5 years on the books, 2005–2026. Newest first.
| Year | Ice-out date |
|---|---|
| 2026 | March 31 |
| 2014 | April 25 |
| 2007 | March 31 |
| 2006 | April 9 |
| 2005 | April 8 |
Late ice is unpredictable — no date on this page says the ice is safe.
Records: Minnesota DNR ice-out records. Last checked August 2026.