Minnesota · Cass County

Long (South West Bay) Lake Ice-Out Dates

The ice usually goes out of Long (South West Bay) Lake around April 15 — the third week of April. Earliest ever: April 11 (2005). Latest: May 5 (2008).

Long (South West Bay) Lake ice-out dates, 2004–2008AprMay2004: April 182005: April 112006: April 122007: April 15Usually Apr 152008: May 52008
April 15Usually around
April 11Earliest ever (2005)
May 5Latest ever (2008)
5Years of record (2004–2008)

The 2027 season

Tracking resumes when the ice forms.

Every recorded ice-out

5 years on the books, 2004–2008. Newest first.

YearIce-out date
2008May 5
2007April 15
2006April 12
2005April 11
2004April 18

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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