How does this artwork elucidate its abstract?
The Fog Warning is  one of several paintings on marine subjects by the late-19th-century American painter Winslow Homer (1836–1910). Together with The Herring Net and Breezing Up, painted the same year and also depicting the hard lives of fishermen in Maine, it is considered among his best works on such topics.
Maine Breezing Up Winslow Homer