In springtime, fisherman are concerned about water temperature in the Hudson River. When the the water temperature in the Tappan Zee reaches 50 degrees, migrating striped bass transition from brackish ...

A volunteer onboard the sloop Clearwater recently posed the question: when was the first aid-to-navigation established on the Hudson River? To address this question, I relied on Jim Crowley's Ligh ...

The tug Glen Cove pushed a barge downriver carrying two massive A-frame structures of corrugated sheet metal. A peek through the binoculars revealed that the A-frames housed four large cylindrical mec ...

The Fischer Family from North Carolina wrote to inquire about the outer island adjacent to the lighthouse. We're wondering if you might share some information about who helped create this magical s ...

Last week's Perseid meteor shower prompted the following question: Why do meteor showers appear to radiate from single point in the sky? Meteor shower particles are actually all traveling in parallel ...

A lesson from lighthouses on light pollution: A hometown friend of mine asked me (jokingly) if I ever turn the beacon off for star-gazing. Well, of course not, for obvious reasons, especially obvious ...

How does the tide clock work? Does high tide occur at the same time everyday? At the lighthouse, a tide clock adorns the kitchen wall above a regular analog timepiece. The tide clock has a single han ...