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New York City, Long Island and Newark - Sea Level Rise Map

Use the window in the top left of the map frame to change the amount of sea level rise.

The map above shows areas of New York and New Jersey that would be flooded at various stages of sea level rise. You can select a value of sea level rise using the dropdown box in the upper left corner of the map. The navigation buttons can be used to zoom in/out and pan across the map.

The map clearly shows that a sea level rise of only a few meters would inundate thousands of acres of highly developed land on Long Island, Manhattan and the New Jersey coastline. In New Jersey large areas around Newark Bay and Arthur Kill will be flooded. And some of the greatest land loss to New York will be the Atlantic coast of Long Island. There the sea will flood deep into the flatly sloping coast of Long Island. Airports, ports, railroads, housing developments, highways, factories and industry would suffer billions of dollars in losses. New York and New Jersey have a lot at risk to sea level rise associated with global climate.

This map is not a carefully surveyed and extremely accurate presentation. It is intended to provide a visual impression of which geographic areas might be flooded if global warming and climate change continue unabated.

This sea level rise map was created by Alex Tingle of using the Google Maps API, NASA data and lots of programming savvy. He explains how the map was created, the sea level data and issues about map accuracy here. We thank Alex for allowing us to share this map on Also thanks to Google and NASA for providing the resources needed to make this map.

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