Minnesota · Cook County

Gunflint Lake Ice-Out Dates

The ice usually goes out of Gunflint Lake around May 5 — the first week of May. Earliest ever: March 23 (2012). Latest: June 3 (1936).

Gunflint Lake ice-out dates, 1936–2026MarAprMayJun1936: June 31940: May 141944: May 101957: May 101958: May 11959: May 51960: May 61961: May 81962: May 101963: May 81964: May 31965: May 21966: May 261967: May 21968: May 51969: April 251970: May 141971: May 61972: May 181973: May 11974: May 111975: May 101976: April 151977: May 21978: May 151979: May 181983: May 71984: April 281985: May 11990: April 261992: May 81995: May 42002: May 42003: May 52005: April 182006: April 172007: May 12008: May 122009: May 72010: April 102011: May 102012: March 232014: May 202015: May 32016: April 252019: May 112020: May 52023: May 122025: May 7Usually May 52026: May 42026
May 5Usually around
March 23Earliest ever (2012)
June 3Latest ever (1936)
50Years of record (1936–2026)

The 2027 season

Tracking resumes when the ice forms.

Every recorded ice-out

50 years on the books, 1936–2026. Newest first.

YearIce-out date
2026May 4
2025May 7
2023May 12
2020May 5
2019May 11
2016April 25
2015May 3
2014May 20
2012March 23
2011May 10
2010April 10
2009May 7
2008May 12
2007May 1
2006April 17
2005April 18
2003May 5
2002May 4
1995May 4
1992May 8
1990April 26
1985May 1
1984April 28
1983May 7
1979May 18
1978May 15
1977May 2
1976April 15
1975May 10
1974May 11
1973May 1
1972May 18
1971May 6
1970May 14
1969April 25
1968May 5
1967May 2
1966May 26
1965May 2
1964May 3
1963May 8
1962May 10
1961May 8
1960May 6
1959May 5
1958May 1
1957May 10
1944May 10
1940May 14
1936June 3

Late ice is unpredictable — no date on this page says the ice is safe.

Records: Minnesota DNR ice-out records. Last checked August 2026.

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