Data, maps and photo credits

Last updated: November 9, 2026

Data

Source	Used for	Terms
NOAA CO-OPS (Tides and Currents)	Tide predictions	Public domain unless otherwise noted; attribution requested; not for navigation (NOAA)
NOAA National Data Buoy Center	Buoy observations	U.S. government data, public domain
National Weather Service API	Marine and weather forecasts	“Open data, free to use for any purpose” (NWS)
USGS The National Map	Base maps	Public domain; credit “USGS The National Map”

Software and fonts

Leaflet 1.9.4 (interactive maps) – BSD 2-Clause License. Served from our own server.
Fonts Lato and Source Sans 3 – SIL Open Font License 1.1. Served from our own server.

Photos

Photos come from Wikimedia Commons and keep their own licenses. Only public-domain, CC0 and Creative Commons Attribution (CC BY) photos are used; no “NonCommercial”, “NoDerivatives” or “ShareAlike” photos. Changes: every photo was resized and compressed for the web, and it may be shown cropped to fit the page layout. The same credit appears under each photo.

41 photos are used on this website.

Photo	Author	Source	License	Changes
Sunset over the Chesapeake Bay, Maryland, with old pilings in the water	Carol M. Highsmith, Library of Congress	Wikimedia Commons	Public domain	Resized; may be shown cropped
Annapolis harbor and Dock Street from above at sunset, Maryland	Don Ramey Logan	Wikimedia Commons	CC BY 4.0	Resized; may be shown cropped
Satellite image of the Chesapeake Bay (NASA MODIS)	Jeff Schmaltz, MODIS Land Rapid Response Team, NASA GSFC	Wikimedia Commons	Public domain	Resized; may be shown cropped
Aerial view of the Chesapeake Bay Bridge near Annapolis, Maryland	Carol M. Highsmith	Wikimedia Commons	Public domain	Resized; may be shown cropped
Replica of Captain John Smith’s shallop	Devry Becker Jones	Wikimedia Commons	CC0	Resized; may be shown cropped
Thomas Point Shoal Light in the Chesapeake Bay, around 1978	U.S. Navy	Wikimedia Commons	Public domain	Resized; may be shown cropped
Chesapeake Bay skipjacks drying their sails in port	NOAA	Wikimedia Commons	Public domain	Resized; may be shown cropped
Volunteers planting native plants along the shore	vastateparksstaff	Wikimedia Commons	CC BY 2.0	Resized; may be shown cropped
Chesapeake Bay Bridge, looking west toward Annapolis, Maryland	dbking	Wikimedia Commons	CC BY 2.0	Resized; may be shown cropped
Families on the beach at Sandy Point State Park, Maryland (1970s)	Jim Pickerell	Wikimedia Commons	Public domain	Resized; may be shown cropped
Rowing in Annapolis Harbor, Maryland (1970s)	Jim Pickerell	Wikimedia Commons	Public domain	Resized; may be shown cropped
The Eagle House, a historic home in St. Michaels, Maryland	Fletcher6	Wikimedia Commons	CC BY 3.0	Resized; may be shown cropped
Water and shoreline of the Elk Neck Peninsula, Maryland	Jstuby	Wikimedia Commons	CC0	Resized; may be shown cropped
Sailboat race on the Chesapeake Bay (1970s)	Mike Lien	Wikimedia Commons	Public domain	Resized; may be shown cropped
Boats tied up at Calvert Marina, Solomons, Maryland	Tagging.Technician	Wikimedia Commons	CC BY 3.0	Resized; may be shown cropped
Coast Guard crew recovering a swamped boat on the Chesapeake Bay (1970s)	Jim Pickerell	Wikimedia Commons	Public domain	Resized; may be shown cropped
Leaving the harbor at Cape Charles, Virginia, toward the fishing pier	David Broad	Wikimedia Commons	CC BY 3.0	Resized; may be shown cropped
The Virginia Fishing Pier	Serge Melki from Indianapolis, USA	Wikimedia Commons	CC BY 2.0	Resized; may be shown cropped
Illustration of striped bass (U.S. Fish and Wildlife Service)	Timothy Knepp	Wikimedia Commons	Public domain	Resized; may be shown cropped
Atlantic blue crab, Callinectes sapidus	Holger Krisp	Wikimedia Commons	CC BY 3.0	Resized; may be shown cropped
Crabbing from a marina dock on the Chesapeake Bay (1970s)	Mike Lien	Wikimedia Commons	Public domain	Resized; may be shown cropped
Fishing boat on the Chesapeake Bay	en:User:gbaddorf	Wikimedia Commons	Public domain	Resized; may be shown cropped
Steamed blue crabs covered in spice	cogdogblog	Wikimedia Commons	CC0	Resized; may be shown cropped
Marshland on Kent Island, Maryland	The original uploader was Ser Amantio di Nicolao at English Wikipedia.	Wikimedia Commons	CC BY 3.0	Resized; may be shown cropped
Satellite image of a sediment plume in the Chesapeake Bay (NOAA)	NOAA	Wikimedia Commons	Public domain	Resized; may be shown cropped
Sunset over the Chesapeake Bay	Villaida	Wikimedia Commons	CC BY 4.0	Resized; may be shown cropped
Maryland State House seen from Francis Street, Annapolis	m01229	Wikimedia Commons	CC BY 2.0	Resized; may be shown cropped
St. Michaels Harbor at Cherry Street, Maryland	Dough4872	Wikimedia Commons	Public domain	Resized; may be shown cropped
Residential street on Tilghman Island, Maryland	Chris_Doig (talk) (Uploads)	Wikimedia Commons	Public domain	Resized; may be shown cropped
Tall ships and Navy vessels on the water at Norfolk, Virginia	Official Navy Page from United States of America