The mainland ice caves have developed quite a reputation over the years as a 'bucket list' winter activity. The unique beauty and temporal nature of these ice formations serves to make the event all the more memorable and desirable. An ice caves event is dependent on a number of factors. There is still a LOT of open water on Lake Superior. Everything has to be just right to create a good ice surface in front of the mainland sea caves. Cold is super important, cause obviously that makes ice. But wind is a major component as well. Due to the caves position on the northwest side of the peninsula with a lot of open water in front of them (all the way to the North Shore of MN), the right winds can wreak havoc on ice formation. In the past, we've seen good ice start to build up and then disappear overnight, due to a strong north wind and the waves it can create.
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