No wake bouy

Buoys & Markers

Contact our Hydrographic Operations unit to request buoys or report those that are “off station."
Blue Heron - Chesapeake Bay Hotline

Call the Bay Hotline

Call 1-877-224-7229 to report environmental issues related to the Bay 24 hours a day, 7 days a week.
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.

Christening the R.P. Gaudette

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.