Terrain, imagery, the offset slider, sills, replay of Irene / Sandy / Ida, the groundwater index, and per-house elevations are public and need no sign-in. The 3D scene lands here once lidar Phase 2 is built.
The next 7.5 days of predicted water level played against the neighbourhood, and the “when does my driveway get wet” answer for a specific house on a specific day. Requires sign-in.