Port of Superior

UN/LOCODEUSSUWWhat is a UN/LOCODE?46.7333° N, 92.0667° WLocal timeAmerica/Chicago, UTC-5

In short

Superior: 1 ship in port now, 1 arrival and no departures in the last 24 h (detected from AIS, as of Oct 3, 2026, 19:41 UTC).

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In port now: 1
Arrivals, last 24 h: 1
Departures, last 24 h: 0
Ships nearby, last 6 h: 25

Arrivals and departures AIS-detected

Ships Voydar 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.

In port now

Vessel	Arrived
BLUE HERONOther	Oct 2, 2026, 21:37 UTC

Left in the last 48 h

Vessel	Left	Time in port
BLUE HERONOther	Oct 2, 2026, 19:36 UTC	1 h 31 min

As of Oct 3, 2026, 19:41 UTC.

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Expected arrivals AIS-detected

Ships whose AIS destination names Superior, with the arrival time their crew entered. Reported in the last 24 hours, due within 7 days. Crews type these by hand: a destination can be out of date and an ETA can slip.

4 ships shown, earliest first.

Vessel	ETA (UTC)	Destination as broadcast	Matched by
DIRK S. VANENKEVORTTug	Oct 3, 2026, 18:00 UTC	SUPERIOR	Name match
RT HON PAUL J MARTINCargo	Oct 4, 2026, 18:00 UTC	SUPERIOR	Name match
ALGOMA INTREPIDCargo	Oct 5, 2026, 08:00 UTC	SUPERIOR	Name match
SAMUEL DE CHAMPLAINTug	Oct 6, 2026, 16:30 UTC	SUPERIOR	Name match

Source: AIS voyage reports via AISstream.io global terrestrial AIS. Times are the crew's ETA, not a Voydar estimate. As of Oct 3, 2026, 19:41 UTC.

Arrivals per day AIS-detected

Ships Voydar detected arriving at Superior 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.

6 arrivals in 30 days, 0.2 a day on average.

Show as a table

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

Vessels near Superior

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.

Vessels near Superior
Vessel	Type	IMO / MMSI	Last seen
SUPERIOR SUNRISEPleasure craft	Pleasure craft	MMSI 338134645	Oct 3, 2026, 19:40 UTC
HELEN HTug	Tug	IMO 8624670	Oct 3, 2026, 19:39 UTC
KENTUCKYTug	Tug	MMSI 367649660	Oct 3, 2026, 19:39 UTC
R/V PRESERVATIONPleasure craft	Pleasure craft	MMSI 338232598	Oct 3, 2026, 19:38 UTC
R/V LAKE EXPLORER IIDredging or underwater ops	Dredging or underwater ops	MMSI 338924003	Oct 3, 2026, 19:38 UTC
VISTA STARPassenger	Passenger	MMSI 367527820	Oct 3, 2026, 19:38 UTC
LADY BASTARDSailing	Sailing	MMSI 338539572	Oct 3, 2026, 19:37 UTC
BANNEKERSailing	Sailing	MMSI 338551052	Oct 3, 2026, 19:37 UTC
BLUE HERONOther	Other	IMO 8511897	Oct 3, 2026, 19:36 UTC
DIRK S. VANENKEVORTTug	Tug	IMO 5175745	Oct 3, 2026, 19:36 UTC
SV 3060Military ops	Military ops	MMSI 368926411	Oct 3, 2026, 19:36 UTC
NJORDHR IIPleasure craft	Pleasure craft	MMSI 338133162	Oct 3, 2026, 19:35 UTC
PURR-ECIOUS TIMEPleasure craft	Pleasure craft	MMSI 367491260	Oct 3, 2026, 19:35 UTC
SUNDEWPleasure craft	Pleasure craft	MMSI 368057040	Oct 3, 2026, 19:35 UTC
CROWN SEVENPleasure craft	Pleasure craft	MMSI 338472421	Oct 3, 2026, 19:33 UTC
PARADOCSPleasure craft	Pleasure craft	MMSI 338515118	Oct 3, 2026, 19:32 UTC
GENERALTug	Tug	MMSI 367349940	Oct 3, 2026, 19:32 UTC
LICENSE TO CHILLPleasure craft	Pleasure craft	MMSI 338309763	Oct 3, 2026, 19:27 UTC
SCOUNDRELSailing	Sailing	MMSI 338547321	Oct 3, 2026, 19:27 UTC
CG SPAROther	Other	IMO 9257838	Oct 3, 2026, 19:24 UTC
SV LOONATECHSailing	Sailing	MMSI 338091791	Oct 3, 2026, 19:23 UTC
KAYAKPleasure craft	Pleasure craft	MMSI 368110980	Oct 3, 2026, 18:58 UTC
KRISTEN JOY	—	MMSI 338366603	Oct 3, 2026, 17:02 UTC
KRISTARAHPleasure craft	Pleasure craft	MMSI 338248792	Oct 3, 2026, 16:49 UTC
TRUE LOVESailing	Sailing	MMSI 338490468	Oct 3, 2026, 15:48 UTC

Harbour & facilities

Harbour particulars for Superior from the NGA World Port Index (WPI port no. 5450). Depths in metres as charted by NGA.

Harbour size: Medium
Harbour type: Coastal (breakwater)
Shelter: Excellent
Channel depth: 6 m
Anchorage depth: 8 m
Cargo pier depth: 8 m
Oil terminal depth: 8 m
Pilotage compulsory: Yes
First port of entry: Yes
Repairs: Major
Dry dock: Large

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

Not for navigation.

Forecast

Model forecast for Superior 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 3 18:00	7	147°	15	0.3	3	24
Oct 4 00:00	12	227°	19	0.5	3	24
Oct 4 06:00	11	292°	17	0.4	3	24
Oct 4 12:00	10	304°	15	0.5	3	24
Oct 4 18:00	9	294°	15	0.4	3	24
Oct 5 00:00	6	284°	12	0.3	3	24
Oct 5 06:00	6	274°	10	0.2	2	24
Oct 5 12:00	2	242°	6	0.2	2	24
Oct 5 18:00	2	147°	7	0.1	2	24
Oct 6 00:00	5	95°	9	0.2	2	24

Forecast: ECMWF IFS 0.25° + ECMWF WAM, run of Oct 3, 2026, 00:00 UTC. Visibility: NOAA GFS 0.25° + GFS-Wave (WAVEWATCH III), run of Oct 3, 2026, 12:00 UTC. Waves are taken from the wave model's nearest sea point, 24 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 Superior

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

Buoy 9099064 - Duluth, MN · 5.5 kmobserved Jun 8, 2026, 22:30 UTC

Water temp

13.1°C (56°F)

Air temp

11.1°C (52°F)

Wind

1.9 kn @ 50°

Waves

—

Weather buoys

Barker's Island, Lake Superior Reserve, WI1.3 km
9099064 - Duluth, MN5.5 km
DULM55.5 km
Wisconsin Point7.9 km
PKBW310.3 km

Tide gauges

Duluth, MN5.5 km

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

Berths and terminals at Superior

23 docks, terminals and mooring places listed by the U.S. Army Corps of Engineers for Superior. Deepest listed berth: 15.2 m (50 ft). The 23 deepest are shown.

Berths and terminals at Superior
Facility	Depth alongside	Longest berth	Owner / operator (as listed)
HANSEN-MUELLER SUPERIOR ELEVATOR Handles grain	15.2 m (50 ft)	402.3 m (1,320 ft)	Owner: BNSF Operator: HANSEN-MUELLER
GAVILON GRAIN - CONNORS POINT TERMINAL Handles grain and dry bulk commodities	9.1 m (30 ft)	242 m (794 ft)	Owner: ConAgra, Inc. Operator: Peavey Grain Co.
Cenex Harvest States Cooperatives, Elevator No. 1 Gallery Dock. Shipment of grain.	9.1 m (30 ft)	180.1 m (591 ft)	Owner: Cenex Harvest States Cooperatives Operator: Cenex Harvest States Cooperatives
Fraser Shipyard, Cumming Dock. Mooring vessels awaiting repair; and ships during closed navigation season.	8.2 m (27 ft)	604.1 m (1,982 ft)	Owner and operator: Fraser Shipyard, Inc.
Fraser Shipyard, Lamborn Mooring Dock. Mooring ships for repair and shipbreaking; and vessels during closed navigation season.	8.2 m (27 ft)	604.1 m (1,982 ft)	Owner and operator: Fraser Shipyard, Inc.
Fraser Shipyard, Outfitting Docks. Mooring company-owned floating equipment; and vessels for repair, conversion, and outfitting.	8.2 m (27 ft)	604.1 m (1,982 ft)	Owner and operator: Fraser Shipyard, Inc.
ALLOUEZ TACONITE FACILITY RAILWAY DOCK 5 Shipment of iron-ore pellets.	8.2 m (27 ft)	449.6 m (1,475 ft)	Owner and operator: Burlington Northern Santa Fe Railroad Co.
LAFARGE CEMENT CO SUPERIOR CEMENT DOCK Receipt of gypsum and cement by self-unloading vessels.	8.2 m (27 ft)	365.8 m (1,200 ft)	Owner and operator: Lafarge Corporation
Cenex Harvest States Cooperatives, Elevator No. 2, Hughitt Slip Dock. Shipment of grain.	8.2 m (27 ft)	358.1 m (1,175 ft)	Owner and operator: Cenex Harvest States Cooperatives
Fraser Shipyard, Mooring Dock. Mooring company-owned floating equipment; vessels during closed navigation season; and vessels for repair.	8.2 m (27 ft)	288.6 m (947 ft)	Owner and operator: Fraser Shipyard, Inc.
GRAYMONT SUPERIOR PLANT COAL DOCK Receipt of coal by self-unloading vessel.	7.6 m (25 ft)	365.8 m (1,200 ft)	Owner and operator: Cutler-Magler Company Operator: GRAYMONT SUPERIOR PLANT
GRAYMONT SUPERIOR PLANT, SALT DOCK Receipt of limestone by self-unloading vessels.	7.3 m (24 ft)	378 m (1,240 ft)	Owner and operator: Cutler-Magler Co.
Cenex Harvest States Cooperatives, Elevator No. 1 Dock. Not used.	7.3 m (24 ft)	304.8 m (1,000 ft)	Owner: Cenex Harvest States Cooperatives
Fraser Shipyard, Cumming Slip. Mooring vessels awaiting repair; and ships during closed navigation season.	6.1 m (20 ft)	304.8 m (1,000 ft)	Owner and operator: Fraser Shipyard, Inc.
Fraser Shipyard, Baxter Slip Mooring vessels awaiting repair; and ships during closed navigation season.	6.1 m (20 ft)	173.7 m (570 ft)	Owner and operator: Fraser Shipyard, Inc.
Fraser Shipyard, Slip No. 1. Mooring company-owned floating craft; small vessels for repair; and vessels during closed navigation season.	5.5 m (18 ft)	167.6 m (550 ft)	Owner and operator: Fraser Shipyard Inc.
Cenex Harvest States Cooperatives, Elevator No. 1, Mooring House Dock. Not used.	4.3 m (14 ft)	182.9 m (600 ft)	Owner: Cenex Harvest States Cooperatives
CENEX HARVEST STATES COOPERATIVE, ELEVATORS 1 & 2	—	—	Operator: CENEX HARVEST STATES COOPERATIVE, ELEVATORS 1 & 2
FRASER SHIPYARDS	—	—	Operator: FRASER SHIPYARDS
GENERAL MILLS "S-X" SUPERIOR TERMINAL DOCK Handles grain and dry bulk commodities	—	—	Operator: GENERAL MILLS "S-X" SUPERIOR TERMINAL DOCK
HALLETT DOCK CO DOCK NO 8	—	—	Operator: HALLETT DOCK CO DOCK NO 8
MIDWEST ENERGY RESOURCES CO SUPERIOR TERMINAL WHARF Handles coal and dry bulk commodities	—	—	Operator: MIDWEST ENERGY RESOURCES CO SUPERIOR TERMINAL WHARF
OGDENSBURG PIER	—	—	—

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 Superior

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

AnchorageDuluth Superior HarborspecialDuluth, MN110.77a · 0.7 km

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

Marine accidents investigated nearby Authority-reported

1 accident or incident within 100 km of the port in the published records of national accident-investigation boards since Jul 20, 2024, located where the board states a position. The most recent:

Jul 20, 2024Cargo, Dry BulkNTSB marine investigations (CAROL)5 km away
Algoma Discovery, Superior, WI, USA (NTSB DCA24FM052) · ALGOMA DISCOVERY

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

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