A bill to amend the Coastal Zone Management Act of 1972 regarding activities significantly affecting the coastal zone.

Amends the Coastal Zone Management Act of 1972 to require Federal agencies conducting natural resources activities in a coastal zone to conduct such activities in a manner consistent with the mandatory policies of approved State management programs, unless the Federal activity is: (1) undertaken to counter the effects of a declared national emergency; (2) undertaken for reasons of national security; (3) required by Federal law which prevents consistency with such a coastal zone management program; or (4) undertaken pursuant to the Magnuson Fishery Conservation and Management Act.