Southwest Harbor port vessels

Port Southwest Harbor Arrived Departure Shipping companies Summary In port Expected arrivals In news

Port Southwest Harbor

Where is the Port?
SOUTHWEST HARBOR is located near the monitored sea lanes. The official UN/LOCODE of this port is USW8S.

How many vessels are in Southwest Harbor port?
There are currently 7 vessels in port and 22 vessels recently departed.

Port map updates in near real-time from AIS snapshots and route transitions. Use the vessel-type filters and names toggle in the map control.

Most frequent incoming origins

No route destination distribution yet.

Most frequent outgoing destinations

No route destination distribution yet.

You can see routes between ports on port-to-port analytics.

AI agent endpoints for this port

/topos/api/v1/ports/search?name=Southwest Harbor
/topos/api/v1/ports/103143/congestion?range=30D
/topos/api/dashboard/news?limit=30&sort=latest
/topos/api/v1/marketplace/manifest

Recent vessel arrivals at the port

Latest available transitions/port-call records (UTC). Total: 22

IMO: 9065223, MMSI: 367342230 | Type:

IMO: 0, MMSI: 338926147 | Type:

IMO: 0, MMSI: 244125322 | Type:

IMO: 0, MMSI: 368123150 | Type:

IMO: 0, MMSI: 369990242 | Type:

IMO: 0, MMSI: 338407756 | Type:

IMO: 0, MMSI: 367504290 | Type:

IMO: 0, MMSI: 319176500 | Type:

IMO: 0, MMSI: 538071309 | Type:

IMO: 0, MMSI: 367536950 | Type:

IMO: 0, MMSI: 338226858 | Type:

IMO: 0, MMSI: 219024921 | Type:

IMO: 0, MMSI: 367099670 | Type:

IMO: 9155602, MMSI: 368941000 | Type: Buoy Lighthouse Vessel

IMO: 0, MMSI: 367772960 | Type:

IMO: 0, MMSI: 367504290 | Type:

IMO: 0, MMSI: 369990242 | Type:

IMO: 9065223, MMSI: 367342230 | Type:

IMO: 0, MMSI: 368025320 | Type:

IMO: 0, MMSI: 338427000 | Type:

IMO: 0, MMSI: 538071309 | Type:

IMO: 1004792, MMSI: 319382000 | Type: Houseboat

Recent vessel departures from the port

Latest available transitions/port-call records (UTC). Total: 22

IMO: 9065223, MMSI: 367342230 | Type:

IMO: 0, MMSI: 338926147 | Type:

IMO: 0, MMSI: 244125322 | Type:

IMO: 0, MMSI: 368123150 | Type:

IMO: 0, MMSI: 369990242 | Type:

IMO: 0, MMSI: 338407756 | Type:

IMO: 0, MMSI: 367504290 | Type:

IMO: 0, MMSI: 319176500 | Type:

IMO: 0, MMSI: 538071309 | Type:

IMO: 0, MMSI: 367536950 | Type:

IMO: 0, MMSI: 338226858 | Type:

IMO: 0, MMSI: 219024921 | Type:

IMO: 0, MMSI: 367099670 | Type:

IMO: 9155602, MMSI: 368941000 | Type: Buoy Lighthouse Vessel

IMO: 0, MMSI: 367772960 | Type:

IMO: 0, MMSI: 367504290 | Type:

IMO: 0, MMSI: 369990242 | Type:

IMO: 9065223, MMSI: 367342230 | Type:

IMO: 0, MMSI: 368025320 | Type:

IMO: 0, MMSI: 338427000 | Type:

IMO: 0, MMSI: 538071309 | Type:

IMO: 1004792, MMSI: 319382000 | Type: Houseboat

Shipping companies (lines) whose ships most often called at the port Southwest Harbor:

No companies linked yet.

Port summary

Port congestion score

Range: Vessel type:

Loading congestion data…

Vessel type distribution for the last 3 months:

Unknown · 8 calls (72.7%)

Search and Rescue vessel · 2 calls (18.2%)

Passenger Ship · 1 calls (9.1%)

Most frequent incoming origins

No route destination distribution yet.

Most frequent outgoing destinations

No route destination distribution yet.

Vessels currently in port

Detected by latest AIS in the extended port area, latest 72 hours (deduplicated by vessel).

Type: Unknown | IMO: 0, MMSI: 369990242 | AIS: 2026-03-30 18:03:43 UTC

Type: Unknown | IMO: 9065223, MMSI: 367342230 | AIS: 2026-03-30 16:04:39 UTC

Type: Passenger Ship | IMO: 9884849, MMSI: 368106360 | AIS: 2026-03-30 16:04:29 UTC

Type: Search and Rescue vessel | IMO: 0, MMSI: 369493104 | AIS: 2026-03-30 16:03:45 UTC

Type: Search and Rescue vessel | IMO: 0, MMSI: 366999792 | AIS: 2026-03-30 16:03:42 UTC

Type: Unknown | IMO: 0, MMSI: 367426710 | AIS: 2026-03-30 16:02:37 UTC

Type: Unknown | IMO: 0, MMSI: 338926147 | AIS: 2026-03-30 14:23:48 UTC

Expected arrivals

Forecast from transitions and inferred destination signals.

No expected arrivals found for next 10 days.

Port in news

Mentions from Topos news feed and spotlights.

No recent port mentions found in Topos news/spotlights.

Port Southwest Harbor

Most frequent incoming origins

Most frequent outgoing destinations

AI agent endpoints for this port

Recent vessel arrivals at the port

Recent vessel departures from the port

Shipping companies (lines) whose ships most often called at the port Southwest Harbor:

Port summary

Port congestion score

Most frequent incoming origins

Most frequent outgoing destinations

Vessels currently in port

Expected arrivals

Port in news

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