NAVIGATIONAL WARNINGS · FOR OFFICERS OF THE WATCH AND MASTERS
NAVAREA XII (12) warnings
NAVAREA XII (12) is one of the 21 sea areas of the World-Wide Navigational Warning Service, coordinated by the United States (NGA). Its waters reach the ports of the United States, Canada, Mexico, Ecuador and Costa Rica and 5 more countries. NaviBoss draws its in-force warnings on the chart, refreshed every few hours.
Countries with ports in NAVAREA XII
Each country opens its port guides. Ports on two coasts can sit in two areas.
| Country | Ports in this area | Other NAVAREAs |
|---|---|---|
| United States | 76 | also NAVAREA IV, NAVAREA XVII |
| Canada | 25 | also NAVAREA IV, NAVAREA XVIII |
| Mexico | 20 | also NAVAREA IV |
| Ecuador | 6 | — |
| Costa Rica | 3 | also NAVAREA IV |
| Nicaragua | 3 | also NAVAREA IV |
| Colombia | 2 | also NAVAREA IV |
| Panama | 2 | also NAVAREA IV |
| El Salvador | 1 | — |
| Guatemala | 1 | also NAVAREA IV |
Voyages through NAVAREA XII
- Shanghai to Los AngelesNAVAREAs XI → XIII → XII
- Busan to Los AngelesNAVAREAs XI → XIII → XII
- Kaohsiung to Long BeachNAVAREAs XI → XIII → XII
- Manila to Los AngelesNAVAREAs XI → XIII → XII
- Yokohama to SeattleNAVAREAs XI → XIII → XII
- Vancouver to ShanghaiNAVAREAs XII → XIII → XI
- Shanghai to New YorkNAVAREAs XI → XIII → XII → IV
- Shanghai to HoustonNAVAREAs XI → XIII → XII → IV
- Cebu to HoustonNAVAREAs XI → XII → IV
Canals and straits in this area
Questions about NAVAREA XII
Who coordinates NAVAREA XII (12)?
NAVAREA XII is coordinated by the United States (NGA). The coordinator collects the navigational warnings for the area and broadcasts them by satellite at scheduled times, at least twice a day.
Which countries are in NAVAREA XII?
Countries with ports in NAVAREA XII include the United States, Canada, Mexico, Ecuador, Costa Rica, Nicaragua, Colombia and Panama, 2 more in the list on this page.
Where can I see the NAVAREA XII warnings in force?
The official in-force list is published by the coordinator, the United States (NGA), and broadcast by SafetyNET. NaviBoss draws the in-force warnings on the chart, refreshed every few hours, and lists those near your planned route. Always keep the official list on board.
Which voyages pass through NAVAREA XII?
For example Shanghai to Los Angeles, Busan to Los Angeles, Kaohsiung to Long Beach and Manila to Los Angeles. A ship keeps the warnings of every NAVAREA it passes through.
The other NAVAREAs
- NAVAREA I (1)United Kingdom
- NAVAREA II (2)France
- NAVAREA III (3)Spain
- NAVAREA IV (4)United States
- NAVAREA V (5)Brazil
- NAVAREA VI (6)Argentina
- NAVAREA VII (7)South Africa
- NAVAREA VIII (8)India
- NAVAREA IX (9)Pakistan
- NAVAREA X (10)Australia
- NAVAREA XI (11)Japan
- NAVAREA XIII (13)Russian Federation
- NAVAREA XIV (14)New Zealand
- NAVAREA XV (15)Chile
- NAVAREA XVI (16)Peru
- NAVAREA XVII (17)Canada
- NAVAREA XVIII (18)Canada
- NAVAREA XIX (19)Norway
- NAVAREA XX (20)Russian Federation
- NAVAREA XXI (21)Russian Federation
NAVAREA XII warnings on your route
Open the Warnings tool to see the in-force warnings on the chart, the ones near your planned route first, and export them to your ECDIS as a user chart. Free with an account.
Open the Warnings tool →About our guides
NaviBoss guides are written and checked by maritime industry experts, masters and deck officers. Each one is built from the same data the planner uses, dated, and rebuilt when that data changes. Spotted something wrong? Tell us on the feedback board.
A planning aid, not for navigation. The official in-force list from the NAVAREA coordinator, your NAVTEX and SafetyNET receivers and the latest Notices to Mariners always come first.