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Port Los Osos

Where is the Port?
LOS OSOS is located near the monitored sea lanes. The official UN/LOCODE of this port is USOS9.

How many vessels are in Los Osos port?
There are currently 15 vessels in port and 5 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

Most frequent outgoing destinations



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


Recent vessel arrivals at the port

Latest available transitions/port-call records (UTC). Total: 5
2025-09-15 05:52 UTC · ELEANOR MARIE
IMO: 0, MMSI: 367445430 | Type:
2025-09-14 12:04 UTC · US flagMB
IMO: 0, MMSI: 993692037 | Type:
2025-09-08 18:32 UTC · ANGLER
IMO: 0, MMSI: 367027990 | Type:
2025-09-08 10:52 UTC · CLEAN OCEAN
IMO: 9202352, MMSI: 367395280 | Type:
2025-09-06 00:12 UTC · US flagMB
IMO: 0, MMSI: 993692037 | Type:

Recent vessel departures from the port

Latest available transitions/port-call records (UTC). Total: 5
2025-09-15 05:52 UTC · ELEANOR MARIE
IMO: 0, MMSI: 367445430 | Type:
2025-09-14 12:04 UTC · US flagMB
IMO: 0, MMSI: 993692037 | Type:
2025-09-08 18:32 UTC · ANGLER
IMO: 0, MMSI: 367027990 | Type:
2025-09-08 10:52 UTC · CLEAN OCEAN
IMO: 9202352, MMSI: 367395280 | Type:
2025-09-06 00:12 UTC · US flagMB
IMO: 0, MMSI: 993692037 | Type:

Shipping companies (lines) whose ships most often called at the port Los Osos:

No companies linked yet.

Port summary

Port congestion score

Loading congestion data…

Vessel type distribution for the last 3 months:

Unknown · 9 calls (52.9%)
Fishing · 3 calls (17.6%)
Sailing · 3 calls (17.6%)
Search and Rescue vessel · 2 calls (11.8%)

Most frequent incoming origins

Most frequent outgoing destinations


Vessels currently in port

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

US flagMB
Type: Unknown | IMO: 0, MMSI: 993692037 | AIS: 2026-08-10 06:51:32 UTC
US flagCG47280
Type: Search and Rescue vessel | IMO: 0, MMSI: 366999859 | AIS: 2026-08-10 06:51:27 UTC
'PAPAGALLO II'
Type: Unknown | IMO: 0, MMSI: 367107830 | AIS: 2026-08-10 06:51:04 UTC
US flagNO QUARTER
Type: Fishing | IMO: 0, MMSI: 338181518 | AIS: 2026-08-10 06:49:47 UTC
US flagSWELL DISH
Type: Sailing | IMO: 0, MMSI: 338143454 | AIS: 2026-08-10 06:47:02 UTC
US flagELUSIVE
Type: Pleasure Craft | IMO: 0, MMSI: 368202660 | AIS: 2026-08-10 06:17:31 UTC
ANGLER
Type: Unknown | IMO: 0, MMSI: 367027990 | AIS: 2026-08-10 03:42:42 UTC
US flagJOLLYDOGS
Type: Sailing | IMO: 0, MMSI: 367587860 | AIS: 2026-08-09 23:40:32 UTC
MORRO BAY PATROL
Type: Unknown | IMO: 0, MMSI: 338163877 | AIS: 2026-08-09 23:39:24 UTC
MMSI 338526862
Type: Unknown | IMO: 0, MMSI: 338526862 | AIS: 2026-08-09 22:42:13 UTC
FERAL
Type: Unknown | IMO: 0, MMSI: 367642290 | AIS: 2026-08-09 18:14:37 UTC
ILION
Type: Unknown | IMO: 0, MMSI: 240330100 | AIS: 2026-08-08 21:51:49 UTC
US flagSENDAYA
Type: Sailing | IMO: 0, MMSI: 338524061 | AIS: 2026-08-08 21:01:06 UTC
US flagLADY RENEE
Type: Fishing | IMO: 0, MMSI: 366723610 | AIS: 2026-08-07 21:38:21 UTC
US flagCF6223ZL
Type: Other Type | IMO: 0, MMSI: 338302781 | AIS: 2026-08-07 21:38:08 UTC

Expected arrivals

Forecast from transitions and inferred destination signals.


Port in news

Mentions from Topos news feed and spotlights.