Rękaw - wskaźnik wiatru and other 85,000 icons from Icons8 icon pack follow the visual guidelines of the operating systems: Windows, iOS, Android KitKat, and Material. PNG format is free up to 100x100 px. Icons are availble for download in PNG and vector (SVG, PDF, EPS, and more).
This looks like a vertical line with a small circle at the top of it. There is a wavy rectangle to the right of the small circle. The rectangle is split into 5 sections. 3 of the 5 sections are dotted.