No wake bouy

Buoys & Markers

Contact our Hydrographic Operations unit to request buoys or report those that are "off station."
J. Millard Tawes Icebreaker at Work

DNR Ice Breakers At Work

Ice Breaking vessels are keeping waterways open for residents and watermen.

Kayaker on a water trail

Maryland Tide Information

Select a region, choose a site and pick a date. You can get the latest tide info for any location anytime.
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Take the Boating Safety Course Now

When spring comes, you'll be all ready to take your boat out on the water and provide your friends and family with a safe boating experience. Click here to learn more about Boating Safety Requirements and course options.

Courtesy on the Water

The Chesapeake Bay is home to an array of boats and boaters. There are over 200,000 registered boats in the State, which means everyone needs to be aware of their actions on the water. Learn more about courtesy on the water and do your part to make Maryland waters enjoyable for all users.

Personal Watercraft (PWC)

There are over 12,550 Personal Watercraft (PWC), commonly called Jet Ski’s or Wave Runners, registered in Maryland. Learn more about the rules and regulations for PWCs and how to operate one in a responsible manner by visiting the special safety section for “PWCs”.

Invasive Species Notice for Boaters

Prevent the spread of aquatic hitchhikers. The zebra mussel is an exotic and harmful species that are a form of biological pollution and damage aquatic ecosystems. Click here to learn how to prevent the spread of zebra mussels in Maryland.