RedactedNarrative: Watercraft was proceeding northwest from Brevik Point area toward Pelican Island against strong NW winds. Waves capsized the boat and it sank immediately due to heavy equipment in the boat, leaving the operator to float all night until rescued the following morning. He was brought to the hospital and treated for hypothermia. The boat was a 14 foot flat bottomed duck boat powered by a 10 hp mud motor. It was unregistered. The value of the boat is unknown, but it was a Total Loss. It is also unknown whether the watercraft had navigation lights. The operator was wearing a life jacket.