Which sim version are you on? If on SU12 Beta there seems to be an issue with water masks:
https://forums.flightsimulator.com/t/statue-of-liberty-standing-in-water
https://forums.flightsimulator.com/t/water-exclusion-polys-are-broken-in-1-31-18-0
Which sim version are you on? If on SU12 Beta there seems to be an issue with water masks:
https://forums.flightsimulator.com/t/statue-of-liberty-standing-in-water
https://forums.flightsimulator.com/t/water-exclusion-polys-are-broken-in-1-31-18-0