Suspicious persons conduction unusual activities, such as near bridges or high security areas on or near the water.

Individuals establishing roadside stands near marinas or other waterfront facilities.

Unknown persons photographing or creating diagrams of such things as the underside of bridges, the area around nuclear power plants, and waterfront facilities near military, cruise-line, or commercial vessels.

Unknown or suspicious persons loitering for extended periods of time in waterfront areas.

Suspicious persons renting or attempting to procure or "borrow" watercraft.

Suspicious vendors attempting to sell/deliver merchandise or drop off packages in waterfront areas.

Keep a sharp eye out for anything that looks peculiar or out of the ordinary. Immediately report all activities that seem suspicious to local authorities, the Coast Guard, or port or marina security officials. Or call the National Response Center's Terrorist Hotline at 1.800.424.8802. Do not approach or challenge those acting in a suspicious manner.