Where is Mahimahi now?

Mahimahi (Cargo ship, United States flag) was last seen on AIS on Oct 3, 2026, 21:21 UTC, under way at 17.9 kn, in the North Pacific Ocean. The crew-entered destination was HONOLULU (voyage report via AISstream.io global terrestrial AIS, received Oct 3, 2026, 14:52 UTC). This report does not confirm the ship’s current route.

What kind of ship is Mahimahi?

Mahimahi is a cargo ship sailing under the flag of United States, built in 1983 by Avondale Shipyard. The vessel is 262 m long with a beam of 32 m and has a gross tonnage of 41,036.

What sanctions and inspection records does Voydar hold for Mahimahi?

Voydar has no matched sanctions record displayed for Mahimahi from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels, the New Zealand Russia Sanctions Register and the French national asset-freeze register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for Mahimahi. Missing records do not establish whether the ship has been detained.

Mahimahi

Cargo ship · United States · built 1983 · AIS Class A

IMO7907996MMSI366563000Call signWHRNLast AIS position Oct 3, 2026, 21:21 UTC

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In short

Mahimahi (Cargo ship, United States flag) was last seen on AIS on Oct 3, 2026, 21:21 UTC, under way at 17.9 kn, in the North Pacific Ocean. Its crew-entered AIS destination is HONOLULU, with an ETA of Oct 8, 2026, 02:00 UTC; its reported draught is 11 m (voyage report via AISstream.io global terrestrial AIS, received Oct 3, 2026, 14:52 UTC).

Current voyage: from Long Beach (departed Oct 3, 2026, 11:56 UTC) to HONOLULU

Vessel type: Cargo ship
Flag: United States
Year built: 1983
Gross tonnage: 41,036
Size (length × beam): 262 m × 32 m
Registered owner: —

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Last reported position

received Oct 3, 2026, 21:21 UTC

Position: 32.6047° N, 120.0989° W
Area: North Pacific Ocean
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 17.9 kn
Course: 251°
Heading: 252°

32.6047° N, 120.0989° W

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Last 30 days: 2 port calls (Long Beach and Honolulu).

Port calls are detected by Voydar from AIS (at least 30 minutes slow inside a harbour area); see Port calls below.

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Identity & particulars

Name: Mahimahi
IMO numberWhat is an IMO number?: 7907996
MMSIWhat is an MMSI?: 366563000
Call signWhat is a call sign?: WHRN
Flag: United States
Vessel type: Cargo ship
AIS ship type: Cargo
Gross tonnageGross tonnage vs deadweight: 41,036
Length overall: 262 m
Beam: 32 m
Year built: 1983

A tag next to a value names the register that supplied it (hover or tap it for the record and date). Values without a tag come from the ship's own AIS broadcasts or from Wikidata. Position and identity are derived live from AIS.

Ownership & management

Each line shows where the fact comes from. Links backed by an identifier point to the company page.

Builder: Avondale Shipyard
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026

Timeline

Dated events for this ship from every source Voydar holds, newest first. Each line names its source; derived items say how they were derived.

Date	Event	Source
Oct 3, 2026, 11:56 UTC	Left Long BeachAIS-detected	Voydar port-call detector (AIS geofence)
Oct 2, 2026, 09:14 UTC	Arrived at Long BeachAIS-detected	Voydar port-call detector (AIS geofence)
Sep 25, 2026, 22:28 UTC	Left HonoluluAIS-detected	Voydar port-call detector (AIS geofence)
Sep 24, 2026, 02:19 UTC	Arrived at HonoluluAIS-detected	Voydar port-call detector (AIS geofence)
Nov 16, 2012	Reported arrival at Long BeachAuthority-reported	USACE foreign traffic vessel entrances & clearances
Nov 15, 2012	Reported departure from OaklandAuthority-reported	USACE foreign traffic vessel entrances & clearances
Nov 13, 2012	Reported arrival at OaklandAuthority-reported	USACE foreign traffic vessel entrances & clearances

Owner, operator and manager changes found by comparing yearly EU MRV reports are dated to the reporting year ("during 2025"), not to a day. Port calls here are the most recent only; the full lists are further down.

Port calls

Two kinds of evidence, kept apart: calls Voydar detected from the ship's AIS positions, and arrivals and departures published by port authorities and customs records.

Detected from AIS AIS-detected

Port	Arrived	Departed	Time in port
Long Beach USLGB	Oct 2, 2026, 09:14 UTC	Oct 3, 2026, 11:56 UTC	26 h 42 min
Honolulu USHNL	Sep 24, 2026, 02:19 UTC	Sep 25, 2026, 22:28 UTC	44 h 9 min

Detected by Voydar when the ship's AIS positions stayed slow inside a harbour area. Calls shorter than 30 minutes are not shown. Depends on AIS reception; detection started on June 8, 2026.

Reported by authorities Authority-reported

Port	Record	Date (UTC)	Berth	Source
Long Beach USLGB	Arrival	Nov 16, 2012(date only)	—	USACE foreign traffic vessel entrances & clearances
Oakland USOAK	Departure	Nov 15, 2012(date only)	—	USACE foreign traffic vessel entrances & clearances
Oakland USOAK	Arrival	Nov 13, 2012(date only)	—	USACE foreign traffic vessel entrances & clearances
Honolulu USHNL	Departure	Jul 24, 2012(date only)	—	USACE foreign traffic vessel entrances & clearances
Oakland USOAK	Arrival	Dec 10, 2007(date only)	—	USACE foreign traffic vessel entrances & clearances
Seattle USSEA	Departure	Dec 9, 2007(date only)	—	USACE foreign traffic vessel entrances & clearances
Seattle USSEA	Arrival	Dec 7, 2007(date only)	—	USACE foreign traffic vessel entrances & clearances
Honolulu USHNL	Departure	Nov 30, 2007(date only)	—	USACE foreign traffic vessel entrances & clearances
Honolulu USHNL	Arrival	Nov 29, 2007(date only)	—	USACE foreign traffic vessel entrances & clearances
Honolulu USHNL	Departure	Sep 11, 2007(date only)	—	USACE foreign traffic vessel entrances & clearances
Honolulu USHNL	Arrival	Sep 9, 2007(date only)	—	USACE foreign traffic vessel entrances & clearances
Long Beach USLGB	Departure	Sep 5, 2007(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: January 21, 2002.

Source: US Army Corps of Engineers, Waterborne Commerce Statistics Center (US CBP entrance/clearance records). Licence: US Government work — public domain.

Behaviour at sea Voydar-derived

Patterns Voydar derived from this ship's AIS broadcasts. They are inferences, not reports: each one shows how it was computed and how confident we are, and none of them says why a ship behaved this way.

When	What we observed	Confidence
Sep 25, 2026, 18:52 UTC	Draught change Reported draught went from 11.1 m to 10 m while in port at Honolulu. Voydar infers the ship probably discharged cargo. Method seadar.behaviour.draught_change v1	Medium (65%)

When

What we observed

Confidence

Sep 25, 2026, 18:52 UTC

Draught change

Reported draught went from 11.1 m to 10 m while in port at Honolulu. Voydar infers the ship probably discharged cargo.

Method seadar.behaviour.draught_change v1

Medium (65%)

Source: AISstream.io global terrestrial AIS. AIS data: AISstream.io. Licence: none published.

Derived from AIS positions of feeds whose terms allow display on Voydar. Coverage is terrestrial: gaps are reported only where our receivers kept hearing other ships. Detections below medium confidence are not shown.

How these are computed →

Frequently asked questions

Where is Mahimahi now?: Mahimahi (Cargo ship, United States flag) was last seen on AIS on Oct 3, 2026, 21:21 UTC, under way at 17.9 kn, in the North Pacific Ocean. The crew-entered destination was HONOLULU (voyage report via AISstream.io global terrestrial AIS, received Oct 3, 2026, 14:52 UTC). This report does not confirm the ship’s current route.
What kind of ship is Mahimahi?: Mahimahi is a cargo ship sailing under the flag of United States, built in 1983 by Avondale Shipyard. The vessel is 262 m long with a beam of 32 m and has a gross tonnage of 41,036.
What sanctions and inspection records does Voydar hold for Mahimahi?: Voydar has no matched sanctions record displayed for Mahimahi from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels, the New Zealand Russia Sanctions Register and the French national asset-freeze register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for Mahimahi. Missing records do not establish whether the ship has been detained.

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