Video from the Osage Beach area shows “steam fog” or “sea smoke” forming and floating over the water outside the Margaritaville Resort. The phenomenon happens when cold air meets warmer ...

Viewers shared photos and video from Lake Michigan, Lake Winnebago and the ... According to the National Oceanic and Atmospheric Administration, steam fog forms as cold air moves over warm water.

Steam fog happens when heat and moisture from the lake rise in response to colder air gliding over the lake, like when you see steam over a hot drink on a cold day. This steam quickly cools down ...