Minnesota · Itasca County
Grave Lake Ice-Out Dates
The ice usually goes out of Grave Lake around April 21 — the third week of April. Earliest ever: April 6 (2021). Latest: April 28 (2008).
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
8 years on the books, 2002–2021. Newest first.
| Year | Ice-out date |
|---|---|
| 2021 | April 6 |
| 2015 | April 14 |
| 2008 | April 28 |
| 2007 | April 23 |
| 2006 | April 12 |
| 2004 | April 21 |
| 2003 | April 23 |
| 2002 | April 21 |
When Grave freezes over
Grave Lake usually freezes over around November 24 — the fourth week of November. Earliest on record: November 14 (2014–15). Latest: December 20 (2001–02).
A freeze-up crosses New Year, so each row is the winter it belongs to: the winter of 2023–24 froze on November 24. Newest first.
| Winter | Ice-in date |
|---|---|
| 2023–24 | November 24 |
| 2020–21 | November 30 |
| 2017–18 | November 17 |
| 2014–15 | November 14 |
| 2008–09 | November 22 |
| 2007–08 | November 22 |
| 2006–07 | December 1 |
| 2005–06 | November 24 |
| 2003–04 | November 25 |
| 2002–03 | November 16 |
| 2001–02 | December 20 |
Records: Minnesota DNR ice-in records. Last checked August 2026.
Late ice is unpredictable — no date on this page says the ice is safe.
Records: Minnesota DNR ice-out records. Last checked August 2026.