When Does the Ice Go Out on Six Lake? Typical Ice-Out Apr 21
Six Lake in Otter Tail County, Minnesota usually has ice-out around Apr 21, based on Minnesota DNR ice observations recorded between 2003-2006. These are typical dates across many winters, not a forecast — individual years swing by weeks in either direction.
Ice record for Six Lake
| Typical ice-out | Apr 21 |
| Earliest ice-out on record | Apr 16, 2003 |
| Latest ice-out on record | Apr 24, 2004 |
| Winters observed | 6 |
| Location | Otter Tail County, Minnesota |
These are dates, not an ice-safety reading
A typical freeze-up date tells you when Six Lake has usually iced over — it does not tell you the ice is safe, and we hold no thickness measurement for this or any lake. The Minnesota DNR is explicit that no ice is ever completely safe: thickness varies across a single lake, and current, springs, aerators, and insulating snow all weaken it. Ice that held a truck last week may not hold a person today.
Read the ice-thickness guidelines before going out, and check current conditions with the Minnesota DNR ice-safety page and local bait shops, which track conditions lake by lake.
How much the timing varies
Ice-out on Six Lake has landed as early as Apr 16, 2003 and as late as Apr 24, 2004 — a spread of weeks around the Apr 21 median. That year-to-year swing is why a median date is a planning tool, not a schedule. Freeze-up is driven by accumulated cold after the lake turns over in fall; ice-out by late-winter air temperature, sun angle, and how much snow sits on top of the ice reflecting it. The full nutrient and algae breakdown for Six Lake is on the lake report.
Source: Minnesota DNR Climate Office ice-in / ice-out records, observations from 2003-2006.
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