Port · USMRZ, US
Port of Martinez
Port of Martinez (USMRZ, US) is a very small port at 38.03° N, 122.13° W. In the last 7 days AIS Trail recorded 9 arrivals and 8 departures here; 9 vessels called in the last 30 days, most of them tugs and service vessels.
Activity
| Vessel type | Vessels, 30 days |
|---|---|
| Tugs & service | 4 |
| Cargo | 3 |
| Other | 1 |
| Tanker | 1 |
Recent arrivals
| Vessel | Type | Arrived (UTC) | Departed (UTC) |
|---|---|---|---|
| <UNKNOWN> | Other | 15 Oct 2026, 14:57 UTC | 15 Oct 2026, 16:47 UTC |
| SHANGHAI HIGHWAY | Cargo | 15 Oct 2026, 09:57 UTC | No departure yet |
| APOLLO | Tugs & service | 14 Oct 2026, 23:02 UTC | 15 Oct 2026, 00:39 UTC |
| LONDON HIGHWAY | Cargo | 14 Oct 2026, 09:13 UTC | 15 Oct 2026, 00:09 UTC |
| DELTA CATHRYN | Tugs & service | 13 Oct 2026, 08:49 UTC | 13 Oct 2026, 09:37 UTC |
| DELTA LINDA | Tugs & service | 13 Oct 2026, 08:48 UTC | 13 Oct 2026, 13:03 UTC |
| JAMIE RENEA | Tugs & service | 13 Oct 2026, 01:41 UTC | 13 Oct 2026, 04:50 UTC |
| PADMA LEADER | Cargo | 12 Oct 2026, 18:28 UTC | 13 Oct 2026, 23:10 UTC |
| SEAWAYS ALACRAN | Tanker | 11 Oct 2026, 21:48 UTC | 14 Oct 2026, 16:37 UTC |
Recent departures
| Vessel | Type | Departed (UTC) | Next port |
|---|---|---|---|
| <UNKNOWN> | Other | 15 Oct 2026, 16:47 UTC | – |
| APOLLO | Tugs & service | 15 Oct 2026, 00:39 UTC | Oakland USOAK |
| LONDON HIGHWAY | Cargo | 15 Oct 2026, 00:09 UTC | – |
| SEAWAYS ALACRAN | Tanker | 14 Oct 2026, 16:37 UTC | – |
| PADMA LEADER | Cargo | 13 Oct 2026, 23:10 UTC | Port Hueneme USNTD |
| DELTA LINDA | Tugs & service | 13 Oct 2026, 13:03 UTC | San Francisco USSFO |
| DELTA CATHRYN | Tugs & service | 13 Oct 2026, 09:37 UTC | San Francisco USSFO |
| JAMIE RENEA | Tugs & service | 13 Oct 2026, 04:50 UTC | Oleum USOL2 |
Port details
| Name | Martinez |
|---|---|
| Other names | – |
| UN/LOCODE | USMRZ |
| Country code | US |
| Position | 38.03° N, 122.13° W |
| Harbour size | Very Small |
| Harbour type | Coastal (Natural) |
| Port area used for port calls | 2 km around the position |
Port of Martinez in the API
Every arrival and departure at Port of Martinez, with draught changes and previous and next ports, is available through the AIS Trail API. A free key covers the last 7 days of history; paid plans cover the last 12 months, and Pro and Business add live positions.
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
"https://api.aistrail.com/v1/ports/16480/calls?from=2026-10-10&event=arrival"Sources
- Live AIS via aisstream.io, provided without warranty. No published terms
- Port reference: UN/LOCODE, United Nations Economic Commission for Europe (UNECE), https://unlocode.unece.org, license CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Modified: port entries selected, deduplicated and merged with the World Port Index.
- Port reference: World Port Index (Pub. 150), National Geospatial-Intelligence Agency (NGA).
Flags come from the MMSI country code, deadweight and size class are estimates from AIS dimensions, port calls are detected by AIS Trail from position reports. All sources and licences: Data sources.
Not for navigation. AIS data can be missing, delayed or wrong; do not use it for navigation, collision avoidance, search and rescue or any other safety-of-life purpose.
