The pilot was going to land the float equipped airplane in the area to pick up fellow hunters. Witnesses saw the airplane fly low over trees and make a bank to align with the landing area on the water. They heard the engine power increase, saw the nose of the airplane rise, watched as the airplane banked 60 degrees to the right, and then saw the airplane crash nose low into the water. The wind in the area was blowing approximately 20 knots. Witnesses also stated that below tree top level, the wind was not perceptible.