Port of West Yarmouth

UN/LOCODEUSWMUWhat is a UN/LOCODE?41.65° N, 70.25° WLocal timeAmerica/New_York, UTC-4

In short

West Yarmouth: no ships in port now, 6 arrivals and 6 departures in the last 24 h (detected from AIS, as of Oct 1, 2026, 19:57 UTC).

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In port now: 0
Arrivals, last 24 h: 6
Departures, last 24 h: 6
Ships nearby, last 6 h: 22

Arrivals and departures AIS-detected

Ships Seadar detected in port from their AIS positions: who is in port now and who left in the last 48 hours. Calls shorter than 30 minutes are not shown, and at places without a charted harbour only ships with an IMO number count. Times UTC.

Left in the last 48 h

Vessel	Left	Time in port
WOODS HOLEPassenger	Oct 1, 2026, 19:22 UTC	1 h 13 min
GREY LADYHigh-speed craft	Oct 1, 2026, 18:52 UTC	48 min
AQUINNAHPassenger	Oct 1, 2026, 16:34 UTC	1 h 8 min
VINEYARD LADYHigh-speed craft	Oct 1, 2026, 16:04 UTC	46 min
MONOMOYPassenger	Oct 1, 2026, 15:25 UTC	1 h 11 min
IYANOUGHHigh-speed craft	Oct 1, 2026, 15:21 UTC	45 min
LADY MARTHAHigh-speed craft	Sep 30, 2026, 12:25 UTC	12 h 22 min

As of Oct 1, 2026, 19:57 UTC.

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Arrivals per day AIS-detected

Ships Seadar detected arriving at West Yarmouth on each of the last 30 days (UTC), counted once per ship per day. A day with no bar had no detected arrivals, which can also mean a gap in our AIS coverage.

47 arrivals in 30 days, 1.6 a day on average.

Show as a table

Day (UTC)	Ships arriving
Sep 1, 2026	1
Sep 2, 2026	0
Sep 3, 2026	1
Sep 4, 2026	0
Sep 5, 2026	1
Sep 6, 2026	2
Sep 7, 2026	0
Sep 8, 2026	0
Sep 9, 2026	0
Sep 10, 2026	0
Sep 11, 2026	0
Sep 12, 2026	1
Sep 13, 2026	0
Sep 14, 2026	0
Sep 15, 2026	1
Sep 16, 2026	0
Sep 17, 2026	0
Sep 18, 2026	0
Sep 19, 2026	1
Sep 20, 2026	1
Sep 21, 2026	0
Sep 22, 2026	7
Sep 23, 2026	4
Sep 24, 2026	2
Sep 25, 2026	2
Sep 26, 2026	0
Sep 27, 2026	4
Sep 28, 2026	7
Sep 29, 2026	6
Sep 30, 2026	6

Vessels near West Yarmouth

Ships Seadar 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.

Vessels near West Yarmouth
Vessel	Type	IMO / MMSI	Last seen
MONOMOYPassenger	Passenger	IMO 9472426	Oct 1, 2026, 19:53 UTC
GREY LADY IVHigh-speed craft	High-speed craft	MMSI 367720690	Oct 1, 2026, 19:52 UTC
LOOSE CANNONPleasure craft	Pleasure craft	MMSI 338302208	Oct 1, 2026, 19:52 UTC
OCEAN PARADISEPleasure craft	Pleasure craft	MMSI 338503741	Oct 1, 2026, 19:51 UTC
BIG STINKPleasure craft	Pleasure craft	MMSI 338540263	Oct 1, 2026, 19:51 UTC
CITY HANDSPleasure craft	Pleasure craft	MMSI 368186910	Oct 1, 2026, 19:43 UTC
BAY SPIRIT	—	MMSI 367414660	Oct 1, 2026, 19:25 UTC
REEL HEATPleasure craft	Pleasure craft	MMSI 338526813	Oct 1, 2026, 19:21 UTC
PATRIARCHFishing	Fishing	MMSI 338436558	Oct 1, 2026, 19:09 UTC
HIGH DEFINITION	—	MMSI 338563416	Oct 1, 2026, 19:03 UTC
T/T SCUP SLAYERPleasure craft	Pleasure craft	MMSI 338465521	Oct 1, 2026, 18:54 UTC
DAMARPleasure craft	Pleasure craft	MMSI 338323853	Oct 1, 2026, 18:41 UTC
SEAN M. GANNONLaw enforcement	Law enforcement	MMSI 367084380	Oct 1, 2026, 18:26 UTC
LEGACYSailing	Sailing	MMSI 368163350	Oct 1, 2026, 18:18 UTC
ARDENTPleasure craft	Pleasure craft	MMSI 338551768	Oct 1, 2026, 17:20 UTC
NANTUCKET SHOALSPassenger	Passenger	MMSI 368296240	Oct 1, 2026, 16:53 UTC
REEL LEGASEAPleasure craft	Pleasure craft	MMSI 368460390	Oct 1, 2026, 16:37 UTC
HELEN HPassenger	Passenger	MMSI 367554870	Oct 1, 2026, 16:37 UTC
TUNA KAHUNAPleasure craft	Pleasure craft	MMSI 338397774	Oct 1, 2026, 16:22 UTC
IMAGINEPleasure craft	Pleasure craft	MMSI 338309819	Oct 1, 2026, 15:50 UTC
SERENITY	—	MMSI 368444980	Oct 1, 2026, 15:29 UTC
SEA WOLFEPleasure craft	Pleasure craft	MMSI 338484331	Oct 1, 2026, 15:15 UTC

Forecast

Model forecast for West Yarmouth 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 1 18:00	10	221°	15	0.2	2	24
Oct 2 00:00	14	227°	21	0.3	2	24
Oct 2 06:00	14	232°	21	0.3	2	24
Oct 2 12:00	14	228°	21	0.3	2	24
Oct 2 18:00	17	225°	26	0.4	2	24
Oct 3 00:00	13	241°	21	0.3	2	24
Oct 3 06:00	6	333°	10	0.1	2	24
Oct 3 12:00	10	8°	17	0.4	3	24
Oct 3 18:00	11	21°	18	0.4	3	24
Oct 4 00:00	7	62°	10	0.3	3	24
Oct 4 06:00	9	55°	12	0.2	3	24
Oct 4 12:00	12	73°	17	0.3	3	24

Forecast: ECMWF IFS 0.25° + ECMWF WAM, run of Oct 1, 2026, 12:00 UTC. Visibility: NOAA GFS 0.25° + GFS-Wave (WAVEWATCH III), run of Oct 1, 2026, 12:00 UTC. Waves are taken from the wave model's nearest sea point, 11 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 West Yarmouth

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

Buoy NANTUCKET SOUND · 17.4 kmobserved Oct 1, 2026, 19:10 UTC

Water temp

16.9°C (62°F)

Air temp

18.3°C (65°F)

Wind

11.7 kn @ 210°

Waves

—

Weather buoys

NANTUCKET SOUND17.4 km
Cape Cod Bay, MA (221)22.8 km
Carriage House, Waquoit Bay Reserve, MA31.4 km
WAXM331.4 km
8447435 - Chatham, MA33.6 km

Tide gauges

Chatham, MA33.5 km

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

Navigational warnings in force nearby

Navigational warnings in force within 100 km of the port, newest first, as issued by national coordinators (NGA, AMSA). Positions are read from the warning text.

NAVAREA IV 954/2026Issued Oct 1, 2026NGA MSI navigational warnings (HYDROLANT/HYDROPAC/HYDROARC, NAVAREA IV/XII)22 km away
010900Z OCT 26 NAVAREA IV 954/26. WESTERN NORTH ATLANTIC. 1. MF, HF AND DSC SERVICES OFF AIR 021200Z TO 021600Z OCT AT USCG REMOTE COMMUNICATION FACILITIES: A. BOSTON 41-42.80N 070-30.30W. B. CHESAPEAKE 36-43.70N 076-00.60W. C. CHARLESTON 32-50.70N 079-57.00W. D. MIAMI 25-37.00N 080-23.00W. E. NEW ORLEANS 29-53.10N 089-56.70W. F. SAN JUAN 18-27.00N 066-06.00W. 2. CANCEL THIS MSG 021700Z OCT 26.
NAVAREA IV 653/2026Issued Jul 3, 2026NGA MSI navigational warnings (HYDROLANT/HYDROPAC/HYDROARC, NAVAREA IV/XII)23 km away
030020Z JUL 26 NAVAREA IV 653/26. NORTH ATLANTIC. BROADCAST AND COMMUNICATION SERVICES UNRELIABLE AT USCG REMOTE COMMUNICATION FACILITIES: A. BOSTON 41-43.00N 070-31.00W. B. CHESAPEAKE 36-44.00N 076-01.00W. C. CHARLESTON 32-08.00N 081-42.00W. D. MIAMI 25-30.00N 080-23.00W. E. NEW ORLEANS 29-53.00N 089-57.00W. F. SAN JUAN 18-27.00N 066-06.00W.
NAVAREA IV 616/2025Issued Jun 13, 2025NGA MSI navigational warnings (HYDROLANT/HYDROPAC/HYDROARC, NAVAREA IV/XII)22 km away
130011Z JUN 25 NAVAREA IV 616/25(GEN). WESTERN NORTH ATLANTIC. MESSAGING SERVICES UNAVAILABLE AT USCG REMOTE COMMUNICATION FACILITIES: A. BOSTON (F) 41-42.00N 070-30.30W. B. CHESAPEAKE (N) 36-43.70N 076-00.60W. C. CHARLESTON (E) 32-50.00N 079-56.00W. D. MIAMI (A) 25-37.00N 080-23.00W. E. NEW ORLEANS (G) 29-53.10N 089-56.70W.

Source: NGA Maritime Safety Information. Not for navigation. 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".

Not for navigation.

Marine accidents investigated nearby Authority-reported

11 accidents and incidents within 100 km of the port in the published records of national accident-investigation boards since Mar 21, 2013, located where the board states a position. The most recent:

Jun 28, 2026Specialty/OtherNTSB marine investigations (CAROL)38 km away
Atlantis, Woods Hole, MA, USA (NTSB DCA26FM018) · RV Atlantis
May 10, 2025Specialty/OtherNTSB marine investigations (CAROL)92 km away
Oliver Hazard Perry, Newport, RI, USA (NTSB DCA25FM038)
Apr 11, 2025FishingNTSB marine investigations (CAROL)94 km away
Eileen Rita, Boston, MA, USA (NTSB DCA25FM031) · IMO 8856091
Dec 7, 2024Towing/BargeNTSB marine investigations (CAROL)56 km away
Lucinda Smith, New Bedford, MA, USA (NTSB DCA25FM010) · LUCINDA SMITH
Nov 23, 2020ACCNTSB marine investigations (CAROL)70 km away
Emmy Rose, Atlantic Ocean off Provincetown, Massachusetts, MA, USA (NTSB DCA21FM007)
Jun 17, 2020ACCNTSB marine investigations (CAROL)97 km away
Rebecca Mary, Martha's Vineyard, MA, USA (NTSB DCA20FM021)
Dec 2, 2018ACCNTSB marine investigations (CAROL)79 km away
Big Jake / Dredge200 / RE Pierson 2, Scituate, MA, USA (NTSB DCA19FM009)
Dec 6, 2017ACCNTSB marine investigations (CAROL)100 km away
Helsinki Bridge, Boston, MA, USA (NTSB DCA18FM006) · ONE HELSINKI

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 Jun 2, 2014. NGA stopped updating the archive in 2024. The most recent:

Pirate AssaultJun 2, 2014Tugboat96 km away
UNITED STATES: On 2 June, robbers stole a small tug boat from the Oyster House pier in East Providence, Rhode Island. The boat was later found aground and half-submerged in the Providence River near Sabin Point. East Providence Police and Fire were alerted to reports of a vessel in distress with at least two people shining flashlights. When authorities boarded the vessel nobody was found, although a person later discovered nearby on shore has been identified as a person of interest.

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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