Port of Shelter Island

UN/LOCODEUSXSIWhat is a UN/LOCODE?41.0667° N, 72.3333° WLocal timeAmerica/New_York, UTC-4

In short

Shelter Island: no ships detected in port from AIS in the last 3 days (as of Oct 6, 2026, 11:53 UTC). Coverage depends on AIS reception in the area.

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In port now: 0
Arrivals, last 24 h: 0
Departures, last 24 h: 0
Ships nearby, last 6 h: 0

Vessels near Shelter Island

Ships Voydar received on AIS near the port in the last 6 hours, most recent first. Being near a port is not a port call; the board above lists calls.

No vessels detected near Shelter Island in the last 6 hours. As our AIS coverage grows, arrivals and departures will appear here live.

Harbour & facilities

Harbour particulars for Shelter Island from the NGA World Port Index (WPI port no. 17650). Depths in metres as charted by NGA.

Harbour size: Very small
Harbour type: Coastal (natural)
Shelter: Excellent
Channel depth: 2 m
Mean tide: 3 m

Source: NGA World Port Index (Pub. 150). Licence: US Government public domain.

Not for navigation.

Forecast

Model forecast for Shelter Island over the next 72 hours, every 6 hours: wind, gusts, waves and visibility. Times in UTC.

Time (UTC)	Wind (kn)	From	Gusts (kn)	Waves (m)	Period (s)	Visibility (km)
Oct 6 09:00	15	317°	23	0.7	3	24
Oct 6 15:00	13	311°	23	0.6	3	24
Oct 6 21:00	12	291°	19	0.5	3	24
Oct 7 03:00	6	342°	11	0.3	2	24
Oct 7 09:00	2	16°	6	0.2	2	24
Oct 7 15:00	7	186°	12	0.1	1	24
Oct 7 21:00	12	213°	19	0.4	3	24
Oct 8 03:00	11	213°	17	0.4	2	24
Oct 8 09:00	11	224°	16	0.4	2	24
Oct 8 15:00	12	235°	18	0.5	3	24
Oct 8 21:00	10	250°	14	0.4	2	24

Forecast: ECMWF IFS 0.25° + ECMWF WAM, run of Oct 6, 2026, 00:00 UTC. Visibility: NOAA GFS 0.25° + GFS-Wave (WAVEWATCH III), run of Oct 6, 2026, 06:00 UTC. Waves are taken from the wave model's nearest sea point, 10 km away.

Source: ECMWF open data (IFS 0.25° forecasts, ECMWF WAM waves). This service is based on data and products of the European Centre for Medium-Range Weather Forecasts (ECMWF). Source: www.ecmwf.int. Licence: CC BY 4.0. Licence: CC-BY-4.0 + ECMWF Terms of Use.

Source: NOAA GFS 0.25° and GFS-Wave (WAVEWATCH III) forecasts. Forecast: NOAA NCEP GFS / GFS-Wave (WAVEWATCH III). Licence: US Government work (public domain); NOAA Open Data Dissemination.

A model forecast, not an observation. Not for navigation.

Marine conditions near Shelter Island

Live wind, waves and water temperature from nearby NOAA buoys and tide gauges — free government data the incumbents charge for.

Buoy MTKN6 · 41.6 kmobserved Oct 6, 2026, 10:30 UTC

Water temp

17.5°C (64°F)

Air temp

11.8°C (53°F)

Wind

—

Waves

—

Weather buoys

Central Long Island Sound36.6 km
Eastern Long Island Sound36.7 km
New London Ledge Light, New London Harbor, CT38.9 km
MTKN641.6 km
8510560 - Montauk, NY41.6 km

Tide gauges

Montauk, NY41.6 km

Source: NOAA National Data Buoy Center & CO-OPS Tides & Currents — public domain.

Berths and terminals at Shelter Island

1 dock, terminal or mooring place listed by the U.S. Army Corps of Engineers for Shelter Island. Deepest listed berth: 6.1 m (20 ft). The 1 deepest are shown.

Berths and terminals at Shelter Island
Facility	Depth alongside	Longest berth	Owner / operator (as listed)
NORTH FERRY CO., SHELTER ISLAND HEIGHT DOCK Landing-and-mooring for passenger-and-vehicular ferries operating between Shelter Island Heights and Greenport, Long Island.	6.1 m (20 ft)	27.4 m (90 ft)	Owner and operator: North Ferry Co.

Source: U.S. Army Corps of Engineers, Navigation Data Center, Port and Waterway Facilities (public domain). Owner and operator names are USACE's text, not verified company records. Retrieved Sep 24, 2026.

Anchorages, pilot boarding and routing near Shelter Island

Charted areas within 40 km, from NOAA's MarineCadastre.gov. Reference only, not for navigation: the regulation cited governs.

AnchorageCoecles HarborspecialEastern Long Island, NY110.59(i) · 2.3 km
AnchorageWest Neck HarborspecialEastern Long Island, NY110.59(h) · 2.8 km
AnchorageNew London Anchorage GroundunrestrictedLong Island Sound110.146(a)(4) · 19.8 km
AnchorageRiverhead Anchorage GroundtemporaryLong Island Sound110.146(a)(7) · 21.9 km
AnchorageAnchorage AreaDuck Island, NY24.3 km
AnchorageSpecial anchorage area BspecialConnecticut River, Old Saybrook, CT110.55b · 24.6 km
AnchorageSpecial anchorage area CspecialConnecticut River, Old Saybrook, CT110.55b · 24.7 km
AnchorageBlock Island SoundrestrictedBlock Island Sound, NY110.150(a) · 26.2 km
AnchorageGiants NeckspecialPataguanset River, CT110.54 · 26.9 km
AnchorageCalves IslandspecialConnecticut River, CT110.55(a) · 28.3 km
AnchorageSpecial anchorage area AspecialConnecticut River, Old Saybrook, CT110.55b · 28.3 km
Routing measureBlock Island SoundRecommended Routenot applicable · 28.6 km

Sources: NOAA Office for Coastal Management (MarineCadastre.gov) and NOAA Fisheries (public domain). Retrieved Oct 1, 2026.

Marine accidents investigated nearby Authority-reported

2 accidents and incidents within 100 km of the port in the published records of national accident-investigation boards since May 12, 2018, located where the board states a position. The most recent:

May 10, 2025Specialty/OtherNTSB marine investigations (CAROL)95 km away
Oliver Hazard Perry, Newport, RI, USA (NTSB DCA25FM038)
May 12, 2018ACCNTSB marine investigations (CAROL)72 km away
Tofteviken / Polaris (NTSB DCA18FM023) · SIRIUS1

Source: NTSB marine investigations (CAROL). Courtesy: National Transportation Safety Board. Licence: US Government work (17 U.S.C. §105), public domain.

Piracy and anti-shipping incidents nearby

1 incident within 100 km of the port in NGA's Anti-Shipping Activity Messages (ASAM) archive since Mar 20, 2022. NGA stopped updating the archive in 2024. The most recent:

OtherMar 20, 2022Tanker50 km away
UNITED STATES OF AMERICA: On 20 March, a group of protesters onboard small boats circled two tankers, the Greece flagged MINERVA VIRGO and the Liberia-flagged CONFIDENCE, on their way to the anchorage area of Ambrose Bay, New York. According to press reports, environmental activists were protesting against oil imports from Russia.

Source: NGA Anti-Shipping Activity Messages. This reproduction, partial or complete, of any National Geospatial-Intelligence Agency (NGA), National Imagery and Mapping Agency (NIMA) or Defense Mapping Agency (DMA) product, information or data is not approved, authorized or endorsed by the Secretary of Defense, the Director of National Intelligence, the Director, NGA or any other element of the US Government. The US Government and NGA accept no liability for the accuracy or quality of this reproduction or the use of any NGA, NIMA or DMA products, information or data. Licence: US Government work — "NGA claims no copyright or other intellectual property right".

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