
New York
Tonight
🌗 46% moon
6.3 h fully dark
Crowds
low
Open today
Closed
Fort Jay: closed Dec 1 – Apr 12
Entrance
Free entry
Castle Williams & Fort Jay Re-opening
Both Castle Williams and Fort Jay are now open. The hours are Wednesday thru Sunday, 10AM to 4PM. If you have any questions, you can reach us through the contact link on this site.
Temporary Pause on Research and Donation Requests
Please be advised that due to staffing changes and the ongoing hiring freeze, there is a pause on research requests and donation considerations at all parks in the Manhattan Sites Unit until further notice. Please check this website and social media for updates.
From 1794 to 1966, the U.S. Army presence on Governors Island played a vital role in the social, political, and economic life of New York City. The island then served as the headquarters of the U.S. Coast Guard from 1966 to 1996, continuing its legacy of national service. Today, Governors Island has transformed into a destination for art, culture, and public programs.
No entrance fee.
Fort Jay will be closed for the winter. It will re-open in April
⚠ Fort Jay: closed Dec 1 – Apr 12
Hours are reported by the park — verify before you go.
📞 212-210-6866
✉ GOIS_information@nps.govQuietest months (fewer crowds): Jan, Feb, Mar, Dec
Typical crowds: low
Weather now: ☀️ Clear, 86°F
☁️ 90°/76°
🌦️ 92°/76°
☁️ 92°/73°
Typical monthly recreation visits · NPS avg 2023–2025 — orange months are the quietest by crowds.
Quietest months
Relative crowds by month — lighter is quieter; ringed months are the calmest by crowds.
Jan
0%
Feb
1%
Mar
2%
Apr
5%
May
39%
Jun
77%
Jul
80%
Aug
100%
Sep
59%
Oct
33%
Nov
10%
Dec
0%
Log a sky reading
Measured the sky with an SQM meter or app? Add your reading (16 = city glow … 22 = pristine). Opt in under “Travelers like you” to share it on the community leaderboard.
Fort Jay self Guided Walk
Not an official safety source — always defer to NPS.gov and rangers for life-safety decisions.
A visual read on Governors Island National Monument — its character, trails, sky, and weather.
Park fingerprint
How this park scores across the dimensions travelers care about.
Trail difficulty
Difficulty mix across this park's trails.
3-day forecast
Daily high and low temperatures (°F).
Figures tied to Governors Island National Monument — each spans a cross-park journey.
Israel Putnam
— American Revolution, Continental Army, Military
Castle Williams
In the fall of 2019, the National Park Foundation rolled out new ads in San Francisco and New York for the Find Your Park campaign. From September 23 through October 28, a series of digital and static outdoor ads appeared in bus shelters, billboards, and other spaces in the city of New York and San Francisco.
Mather High School in partnership with the National Parks of New York Harbor open a stone carving classroom on Governor's Island.
Both North and South mobilized industry to an unprecedented degree. But the North, which already had a head start in nearly every realm of industrial and agricultural development, far outpaced the South during the war. Unhampered by the southern opposition in such areas as providing free land to farmers and subsidizing a transcontinental railroad before the war, Congress passed sweeping legislation to expand the economy. As the war dragged on, in part because many of the ba
Although many Irishmen were found throughout the Union, and to a lesser degree, Confederate forces, numerous specifically "Irish" regiments and companies enabled new immigrants to join comrades with a similar background. Most famous was the Irish Brigade of the Army of the Potomac, particularly distinguished for hard fighting at Antietam, Fredericksburg, and Gettysburg.
An overview of the volunteer program in Manhattan, New York City and instructions on how to apply for the program.
Read on to learn about how Mather high school students have been working on reconstructing late 1700s style log cabins at Morristown National Historical Park and Governors Island National Monument!
During the Civil War, over 400,000 Union and Confederate soldiers were held prisoner at more than 150 diff erent prison sites. Approximately 56,000 of these died in captivity. Although Andersonville is the most famous Civil War prison, it is only one of many Civil War military prisons that are preserved by the National Park Service.
Meet Floyd Myers, who is the Chief of Business Development and Partnerships for the National Parks of New York Harbor. He was previously the acting Deputy Superintendent at Martin Luther King Jr. National Historical Park and worked at several other parks before that, including the Tuskegee Airmen National Historic Site, the Tuskegee Institute National Historic Site, Selma to Montgomery National Historic Site, Booker T. Washington National Historic Site, and others.
This park's activities, topics, location, and on-the-ground places — one hop in the graph. Drag to explore; click an activity, topic, or related park to follow it.
Park
Activity
Topic
State
Trail
ThingToDo
Alert
Share activities & topics with Governors Island National Monument.